Pub Date : 2020-01-01DOI: 10.35248/2252-5211.20.10.389
K. Riaz
The Infectious hospital waste management practices in hospital PNS Hafeez Hospital and PAF Hospital Islamabad, Pakistan in the light of environmental laws and hospital waste management rules. Data were collected using various methods such as survey questionnaires, interviews, group discussions informal, site observation, photographic documentation to study the current Infectious hospital waste management system and practices. Studies revealed many discrepancies and weaknesses in the hospital waste management system. The survey results showed that segregation of all wastes was not conducted according to standards rules and regulations. waste management team was not effective even the team member was not aware about environmental laws and standard waste management practices. Waste handling was also not according to the guideline provided by environmental laws. No protective clothing, gloves, masks were provided to waste management workers. Waste management team, doctors, nurses; sanitary staffs were not trained in dealing with hospital waste. It was concluded that the unsatisfactory current hospital waste management practices in both hospitals were mainly due to the lack of training, lack of awareness, and lack of knowledge of hospital waste management rules and laws.
{"title":"The Study of Infectious Hospital Waste Management in Two Hospital of Pakistan","authors":"K. Riaz","doi":"10.35248/2252-5211.20.10.389","DOIUrl":"https://doi.org/10.35248/2252-5211.20.10.389","url":null,"abstract":"The Infectious hospital waste management practices in hospital PNS Hafeez Hospital and PAF Hospital Islamabad, Pakistan in the light of environmental laws and hospital waste management rules. Data were collected using various methods such as survey questionnaires, interviews, group discussions informal, site observation, photographic documentation to study the current Infectious hospital waste management system and practices. Studies revealed many discrepancies and weaknesses in the hospital waste management system. The survey results showed that segregation of all wastes was not conducted according to standards rules and regulations. waste management team was not effective even the team member was not aware about environmental laws and standard waste management practices. Waste handling was also not according to the guideline provided by environmental laws. No protective clothing, gloves, masks were provided to waste management workers. Waste management team, doctors, nurses; sanitary staffs were not trained in dealing with hospital waste. It was concluded that the unsatisfactory current hospital waste management practices in both hospitals were mainly due to the lack of training, lack of awareness, and lack of knowledge of hospital waste management rules and laws.","PeriodicalId":14393,"journal":{"name":"International Journal of Waste Resources","volume":"162 1","pages":"1-6"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86275032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-01-01DOI: 10.35248/2252-5211.20.10.381
Oruonye Ed, Ahmed Ay
The outbreak and spread of covid-19 pandemic has triggered awareness in people about how vital the hospital waste management process in every single country can be. The increasing number of covid-19 infection in Nigeria is already putting increasing pressure on the healthcare systems in the country. The highly infectious nature of the coronavirus would require a complex and special protocol of handling and managing the infectious medical waste generated such as confinement (bins, bags etc.) and availability of proper storage and disposal facilities. In Nigeria, all efforts towards containing the outbreak and spread of the corona virus is directed towards establishing testing, isolation and treatment centres/facilities. Little or nothing is said about the handling and safe disposal of infectious waste generated from the management of the disease. This study has examined covid-19 and the challenges of management of infectious medical waste in Nigeria using the case of Taraba state. The study used interview and secondary materials online to generate data used in the study. The study findings reveal that the medical waste is spread out beyond hospitals. Findings from the study reveals that Jalingo the state capital has no any officially approved dumpsite in the metropolis. Also the tertiary healthcare facilities in the State has no proper safe disposal facilities of infectious medical waste at the moment. Other challenges include the various myths surrounding the reality of the covid-19 pandemic, poor enforcement of infectious medical waste guidelines and lack of political will on the part of the government. Based on the findings, the study recommends effective enforcement of the guidelines on the safe disposal of infectious, use of PPEs by all waste collection workers and creation of environmental department in every hospital to handle all infectious medical waste.
{"title":"Covid-19 and Challenges of Management of Infectious Medical Waste in Nigeria: A Case of Taraba State","authors":"Oruonye Ed, Ahmed Ay","doi":"10.35248/2252-5211.20.10.381","DOIUrl":"https://doi.org/10.35248/2252-5211.20.10.381","url":null,"abstract":"The outbreak and spread of covid-19 pandemic has triggered awareness in people about how vital the hospital waste management process in every single country can be. The increasing number of covid-19 infection in Nigeria is already putting increasing pressure on the healthcare systems in the country. The highly infectious nature of the coronavirus would require a complex and special protocol of handling and managing the infectious medical waste generated such as confinement (bins, bags etc.) and availability of proper storage and disposal facilities. In Nigeria, all efforts towards containing the outbreak and spread of the corona virus is directed towards establishing testing, isolation and treatment centres/facilities. Little or nothing is said about the handling and safe disposal of infectious waste generated from the management of the disease. This study has examined covid-19 and the challenges of management of infectious medical waste in Nigeria using the case of Taraba state. The study used interview and secondary materials online to generate data used in the study. The study findings reveal that the medical waste is spread out beyond hospitals. Findings from the study reveals that Jalingo the state capital has no any officially approved dumpsite in the metropolis. Also the tertiary healthcare facilities in the State has no proper safe disposal facilities of infectious medical waste at the moment. Other challenges include the various myths surrounding the reality of the covid-19 pandemic, poor enforcement of infectious medical waste guidelines and lack of political will on the part of the government. Based on the findings, the study recommends effective enforcement of the guidelines on the safe disposal of infectious, use of PPEs by all waste collection workers and creation of environmental department in every hospital to handle all infectious medical waste.","PeriodicalId":14393,"journal":{"name":"International Journal of Waste Resources","volume":"553 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78356708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-01-01DOI: 10.35248/2252-5211.20.10.382
Y. Adela, Mohamed Berhanu, B. Gobena
The twenty-first century can be marked as a “plastic era” where different sectors are producing and consuming a huge amount of plastic. Concurrently, the plastic waste generation rate has been increasing and causing serious problems on the public health and ecosystem. Hence, recycling of plastic wastes can be one alternative management option for this peculiar waste stream. This study aims to evaluate the technical feasibility of plastic wastes as a partial replacement of coarse aggregate in a concrete mix using volcanic pumice as an admixture. Concrete test specimens prepared with standard M20 mix design were measured for a compressive and split tensile strength. Plastic aggregate made from plastic bags and bottles has shown a different degree of workability to replace the concrete mix. The compressive and split tensile strength tends to decrease with increasing the ratio of plastic aggregates for both types of plastics. However, the curve based operational cut-off value shows that the plastic bag and bottle aggregates can replace coarse aggregate from 11-14% and 35-37.5% respectively. Conclusively, utilizing the plastic aggregates as a partial replacement of coarse aggregate is technically feasible. However, applying the nominal concrete standard mix proportion is seemingly inappropriate while plastic aggregates used as an aggregate which in turn require a specific mix design. Despite the percent replacement is low, utilizing waste plastics in the concrete mix would help countries with the weak waste management system.
{"title":"Plastic Wastes as a Raw Material in the Concrete Mix: An Alternative Approach to Manage Plastic Wastes in Developing Countries","authors":"Y. Adela, Mohamed Berhanu, B. Gobena","doi":"10.35248/2252-5211.20.10.382","DOIUrl":"https://doi.org/10.35248/2252-5211.20.10.382","url":null,"abstract":"The twenty-first century can be marked as a “plastic era” where different sectors are producing and consuming a huge amount of plastic. Concurrently, the plastic waste generation rate has been increasing and causing serious problems on the public health and ecosystem. Hence, recycling of plastic wastes can be one alternative management option for this peculiar waste stream. This study aims to evaluate the technical feasibility of plastic wastes as a partial replacement of coarse aggregate in a concrete mix using volcanic pumice as an admixture. Concrete test specimens prepared with standard M20 mix design were measured for a compressive and split tensile strength. Plastic aggregate made from plastic bags and bottles has shown a different degree of workability to replace the concrete mix. The compressive and split tensile strength tends to decrease with increasing the ratio of plastic aggregates for both types of plastics. However, the curve based operational cut-off value shows that the plastic bag and bottle aggregates can replace coarse aggregate from 11-14% and 35-37.5% respectively. Conclusively, utilizing the plastic aggregates as a partial replacement of coarse aggregate is technically feasible. However, applying the nominal concrete standard mix proportion is seemingly inappropriate while plastic aggregates used as an aggregate which in turn require a specific mix design. Despite the percent replacement is low, utilizing waste plastics in the concrete mix would help countries with the weak waste management system.","PeriodicalId":14393,"journal":{"name":"International Journal of Waste Resources","volume":"34 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74669793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-01-01DOI: 10.35248/2252-5211.20.10.378
Fagbemi Kb, Ogungbemi Ao, Philips Oo, B. Obatuase, Hassan Yo
This study examined the factors influencing users’ participation in the conduct of environmental sanitation exercise in Selected Cities of Nigeria, with a view of providing information that could enhance users’’ participation in the exercise in the study area. 214 questionnaire was randomly administered among the market users’ out of which 205 was retrieved. The result of the findings shown that the means of waste disposal used by respondents were nearby gutter/space (1.5%), by burning (2.9%), use of designated dumpsite (19.0%) waste collection service (73.7%) and (34.6%) of the respondents pays N251-N300, (10.2%) pay between N50- N100 naira, 8.3% of respondents’ pays N101-N150, (24.4%) pays N151-N200, (13.2%) pays N351 above and (7.3%) pays between N201-N250 naira over the same period. In respect to regularity (7.3%) declared that supply of water is very regular, (49.8%), just regular, (21.0%) irregular, (13.7%) very irregular and (8.3%) no supply of water at all. The types of toilet used by respondents are water closet (57.1%), pit latrine (24.4%), bucket latrine (9.3%), pour-flush (2.9%) and other like ventilated improved toilet constitute (6.3%). The study concluded that environmental sanitation practices go beyond sweeping of market environment and that while environmental sanitation facilities in the market are acceptably insufficient, the existing ones are wrongly managed and not exploited prudently.
{"title":"Users’ Perception of Environmental Sanitation Exercise in Selected Market in Nigeria Cities","authors":"Fagbemi Kb, Ogungbemi Ao, Philips Oo, B. Obatuase, Hassan Yo","doi":"10.35248/2252-5211.20.10.378","DOIUrl":"https://doi.org/10.35248/2252-5211.20.10.378","url":null,"abstract":"This study examined the factors influencing users’ participation in the conduct of environmental sanitation exercise in Selected Cities of Nigeria, with a view of providing information that could enhance users’’ participation in the exercise in the study area. 214 questionnaire was randomly administered among the market users’ out of which 205 was retrieved. The result of the findings shown that the means of waste disposal used by respondents were nearby gutter/space (1.5%), by burning (2.9%), use of designated dumpsite (19.0%) waste collection service (73.7%) and (34.6%) of the respondents pays N251-N300, (10.2%) pay between N50- N100 naira, 8.3% of respondents’ pays N101-N150, (24.4%) pays N151-N200, (13.2%) pays N351 above and (7.3%) pays between N201-N250 naira over the same period. In respect to regularity (7.3%) declared that supply of water is very regular, (49.8%), just regular, (21.0%) irregular, (13.7%) very irregular and (8.3%) no supply of water at all. The types of toilet used by respondents are water closet (57.1%), pit latrine (24.4%), bucket latrine (9.3%), pour-flush (2.9%) and other like ventilated improved toilet constitute (6.3%). The study concluded that environmental sanitation practices go beyond sweeping of market environment and that while environmental sanitation facilities in the market are acceptably insufficient, the existing ones are wrongly managed and not exploited prudently.","PeriodicalId":14393,"journal":{"name":"International Journal of Waste Resources","volume":"32 1","pages":"1-4"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76478151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-01-01DOI: 10.35248/2252-5211.20.10.377
E. O. Stanley, Ehirim Chiudo, Anao Osemudiamen, Maduekwe Chinenyem, Obele Realman
The aim of this study was to assess the challenges and opportunities of managing polythene waste products (“pure water” sachets) in Port Harcourt city, Rivers State, Nigeria. The study also investigated the current waste management practices in the area. The findings of the study showed that more than 70,000,000 (70 million) ‘pure water’ sachets are generated monthly in Port Harcourt and environs. Twenty-five percent (25%) of respondents to questionnaires reuse polythene packages after the primary contents have been consumed; 75% of respondents do not reuse polythene packages. Among those who do not reuse the packages, 38% dump the packages into streets, gutters, rivers and other areas. It is suggested that recycling of polythene wastes is encouraged in the study area. By means of campaigns and other suasive instruments, the State Government should increase awareness of the environmental and health impacts of improper disposal of polythene waste packages. A deposit-refund scheme (DRS) is recommended as an appropriate potentially effective policy instrument for polythene waste recycling programme.
{"title":"Polythene Waste Management andndash; Challenges and Opportunities in Rivers State, Nigeria","authors":"E. O. Stanley, Ehirim Chiudo, Anao Osemudiamen, Maduekwe Chinenyem, Obele Realman","doi":"10.35248/2252-5211.20.10.377","DOIUrl":"https://doi.org/10.35248/2252-5211.20.10.377","url":null,"abstract":"The aim of this study was to assess the challenges and opportunities of managing polythene waste products (“pure water” sachets) in Port Harcourt city, Rivers State, Nigeria. The study also investigated the current waste management practices in the area. The findings of the study showed that more than 70,000,000 (70 million) ‘pure water’ sachets are generated monthly in Port Harcourt and environs. Twenty-five percent (25%) of respondents to questionnaires reuse polythene packages after the primary contents have been consumed; 75% of respondents do not reuse polythene packages. Among those who do not reuse the packages, 38% dump the packages into streets, gutters, rivers and other areas. It is suggested that recycling of polythene wastes is encouraged in the study area. By means of campaigns and other suasive instruments, the State Government should increase awareness of the environmental and health impacts of improper disposal of polythene waste packages. A deposit-refund scheme (DRS) is recommended as an appropriate potentially effective policy instrument for polythene waste recycling programme.","PeriodicalId":14393,"journal":{"name":"International Journal of Waste Resources","volume":"8 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72866904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-01-01DOI: 10.35248/2252-5211.20.10.376
Vasudeva Nayaka Kbl, Rangaswamy Be
The global market for wood-based furnishings annually increases despite of decreasing availability of wood resources, especially in forest lacking regions, leading to the specific urge to search for alternatives. Agricultural residues are materials generated in large quantities and can accumulate at such an extent as to cause environmental problems. Maize cob powder was taken and mixed with Epoxy (Resin) and Hardener was added; the mixture was then molded into a frame and pressed for uniform surface and kept for air dry for 24 hours. Then the particle board was tested for its mechanical tests like tensile strength test, compression test, bending strength test were experimented.
{"title":"Pulverized Maize Cob as a Recycled Agro Waste - A Feasibility Study","authors":"Vasudeva Nayaka Kbl, Rangaswamy Be","doi":"10.35248/2252-5211.20.10.376","DOIUrl":"https://doi.org/10.35248/2252-5211.20.10.376","url":null,"abstract":"The global market for wood-based furnishings annually increases despite of decreasing availability of wood resources, especially in forest lacking regions, leading to the specific urge to search for alternatives. Agricultural residues are materials generated in large quantities and can accumulate at such an extent as to cause environmental problems. Maize cob powder was taken and mixed with Epoxy (Resin) and Hardener was added; the mixture was then molded into a frame and pressed for uniform surface and kept for air dry for 24 hours. Then the particle board was tested for its mechanical tests like tensile strength test, compression test, bending strength test were experimented.","PeriodicalId":14393,"journal":{"name":"International Journal of Waste Resources","volume":"22 1","pages":"1-9"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85809507","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-01-01DOI: 10.35248/2252-5211.20.10.383
Salah A Belkher
In this study, monthly and freshly produced composite (morning, noon, and afternoon) compost samples were collected from Tripoli Organic Fertilizer Production Plant (composting facility). The physical, and chemical properties of the compost were investigated for one year starting from April of 2004 and on results of physical tests indicated that compost was not fully mature and contained higher percentage of foreign matters such as glass, and plastic than the suggested international standards. The average moisture content and water holding capacity were 59%, and 100% respectively. The water extract (1: 2.5) of the compost had an average PH of 6.6, and EC of 14.47 dm/m at 25°C. The average total content of N, P, and K were 0.77%, 82.3%, and 3866.7 mg/kg respectively. The average organic carbon and the organic matter content were 21%, and 37.87% respectively, while the C/N ratio was 1: 32. The average total concentration of trace elements , and heavy metals namely Fe , Cu , Zn , Mn , Pb , Ni , Cr , Cd , As , and Hg were determined , and were generally lower than the levels indicated by the quality control agencies , and organizations in most of the European Union Countries , USA , and Canada.
{"title":"Study of the Physical and Chemical Properties of the Compost Produced from Sawani Composting Plant","authors":"Salah A Belkher","doi":"10.35248/2252-5211.20.10.383","DOIUrl":"https://doi.org/10.35248/2252-5211.20.10.383","url":null,"abstract":"In this study, monthly and freshly produced composite (morning, noon, and afternoon) compost samples were collected from Tripoli Organic Fertilizer Production Plant (composting facility). The physical, and chemical properties of the compost were investigated for one year starting from April of 2004 and on results of physical tests indicated that compost was not fully mature and contained higher percentage of foreign matters such as glass, and plastic than the suggested international standards. The average moisture content and water holding capacity were 59%, and 100% respectively. The water extract (1: 2.5) of the compost had an average PH of 6.6, and EC of 14.47 dm/m at 25°C. The average total content of N, P, and K were 0.77%, 82.3%, and 3866.7 mg/kg respectively. The average organic carbon and the organic matter content were 21%, and 37.87% respectively, while the C/N ratio was 1: 32. The average total concentration of trace elements , and heavy metals namely Fe , Cu , Zn , Mn , Pb , Ni , Cr , Cd , As , and Hg were determined , and were generally lower than the levels indicated by the quality control agencies , and organizations in most of the European Union Countries , USA , and Canada.","PeriodicalId":14393,"journal":{"name":"International Journal of Waste Resources","volume":"114 1","pages":"1-7"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90984893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-01-01DOI: 10.35248/2252-5211.20.10.374
Satyanarayana Sv, Ahmed H Al-Balushil
The steel industries generate a high volume of solid waste each year. The disposal of solid waste is a Hercules task for steel industry management. The solid waste contains heavy metals like iron, chromium, lead, zinc and toxic chemical compounds. The solid waste disposal contributes for ground water pollution and soil pollution. The steel industry solid waste contains a high percentage of iron oxide more than 12%. The aim of this project is to convert steel industry solid waste into a red oxide primer. The solid waste samples are collected from a local steel industry. The samples are crushed and passed through a 53 micron mesh to get fine powder. The powder is mixed with Long oil alkyd, calcium carbonate and Butanol. The mixture mixed intensively by the help of a wet grinder until it gets adhering properties and become as a primer. The adhesive properties of the primer is tested by painting on a metal surface and after drying the primer on the metal surface and tested by the peeling method to check the strength of the primer. The primer viscosity modified by adding turpentine oil. The red oxide primer used as a dielectric or pre-coating on iron structure. It was observed that the red oxide produced by using steel industry solid waste is at par with commercially available red-oxide primer. The red oxide primer production from the steel industry sludge is technically feasible and economically viable.
{"title":"A Feasibility Study to Convert Steel Industry Solid Waste into a Red Oxide Primer","authors":"Satyanarayana Sv, Ahmed H Al-Balushil","doi":"10.35248/2252-5211.20.10.374","DOIUrl":"https://doi.org/10.35248/2252-5211.20.10.374","url":null,"abstract":"The steel industries generate a high volume of solid waste each year. The disposal of solid waste is a Hercules task for steel industry management. The solid waste contains heavy metals like iron, chromium, lead, zinc and toxic chemical compounds. The solid waste disposal contributes for ground water pollution and soil pollution. The steel industry solid waste contains a high percentage of iron oxide more than 12%. The aim of this project is to convert steel industry solid waste into a red oxide primer. The solid waste samples are collected from a local steel industry. The samples are crushed and passed through a 53 micron mesh to get fine powder. The powder is mixed with Long oil alkyd, calcium carbonate and Butanol. The mixture mixed intensively by the help of a wet grinder until it gets adhering properties and become as a primer. The adhesive properties of the primer is tested by painting on a metal surface and after drying the primer on the metal surface and tested by the peeling method to check the strength of the primer. The primer viscosity modified by adding turpentine oil. The red oxide primer used as a dielectric or pre-coating on iron structure. It was observed that the red oxide produced by using steel industry solid waste is at par with commercially available red-oxide primer. The red oxide primer production from the steel industry sludge is technically feasible and economically viable.","PeriodicalId":14393,"journal":{"name":"International Journal of Waste Resources","volume":"20 1","pages":"1-5"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91049755","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-01-01DOI: 10.35248/2252-5211.20.10.375
S. Tiwari, K. Srivastava, C. L. Gehlot, D. Srivastava
A recent development in the field of eco-friendly, lightweight and high-performance nanocomposite and a broad range of their innovative applications attract enormous interest in the field of research. However, the search for lighter materials to replace legacy heavy materials in engineering structures especially in automobile and aerospace industries has made the study of tribological properties of epoxy resin based composites significant. Fly ash, from the thermal power plant, is an industrial by-product that can be utilized as filler in epoxy resin with different wt% owing to its distinctive properties like low density, wide availability, good filler factor, good thermal resistance, and glassy nature instead of dumping into the large area of landfills and ash ponds. This review article presents an expanded literature overview on the utilization of industrial waste fly ash, as reinforcement for matrix in making lightweight, high strength composites. In this investigation broaden literature groundwork also covers the effect of nanoparticles on thermal, morphological and mechanical characteristics such as impact strength, tensile strength and flexural strength of fly ash/epoxy nanocomposites.
{"title":"Epoxy/Fly ash from Thermal Power Plant/Nanofiller Nanocomposite: Studies on Mechanical and Thermal Properties: A Review","authors":"S. Tiwari, K. Srivastava, C. L. Gehlot, D. Srivastava","doi":"10.35248/2252-5211.20.10.375","DOIUrl":"https://doi.org/10.35248/2252-5211.20.10.375","url":null,"abstract":"A recent development in the field of eco-friendly, lightweight and high-performance nanocomposite and a broad range of their innovative applications attract enormous interest in the field of research. However, the search for lighter materials to replace legacy heavy materials in engineering structures especially in automobile and aerospace industries has made the study of tribological properties of epoxy resin based composites significant. Fly ash, from the thermal power plant, is an industrial by-product that can be utilized as filler in epoxy resin with different wt% owing to its distinctive properties like low density, wide availability, good filler factor, good thermal resistance, and glassy nature instead of dumping into the large area of landfills and ash ponds. This review article presents an expanded literature overview on the utilization of industrial waste fly ash, as reinforcement for matrix in making lightweight, high strength composites. In this investigation broaden literature groundwork also covers the effect of nanoparticles on thermal, morphological and mechanical characteristics such as impact strength, tensile strength and flexural strength of fly ash/epoxy nanocomposites.","PeriodicalId":14393,"journal":{"name":"International Journal of Waste Resources","volume":"21 1","pages":"1-16"},"PeriodicalIF":0.0,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81685011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-01-01DOI: 10.35248/2252-5211.20.10.390
A. H. Ali, Shaimaa M. A. Esmaeel, S. Zaki, M. S. Hagag
In this paper; a novel composite (HAP@HTO)derived from hydrous titanium oxide (HTO) extracted from Rosetta ilmenite mineral and hydroxyapatite (HAP) was formed by co-precipitation method,specified and used for uranium preconcentration from its solutions. Batch tests were performed to investigate its selectivity towards uranium; maximum adsorption efficiency reached at pH 2.5, 120 minutes contact time, 900 mg L–1 uranium concentration and adsorbent ratio (0.1g/75 mL). The equilibrium data fitted well with Langmuir adsorption isotherm. From Kinetics and thermodynamics data; process was fast, fitted well with pseudo-second order, spontaneous and exothermic. The percentage desorption of uranium reached its maximal at 15 minutes equilibrium time using 1 mol L-1 H2SO4. Thereby, (HAP@HTO)composite has promising potential applications in extracting U (VI) from its aqueous solutions in nuclear fuel field and environmental pollution cleanup.
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