In April 2015, Bureau of Energy, Ministry of Economic Affairs and the local government of Taiwan(R.O.C.) promoted the Energy-Smart-City project plan jointly. Therefore, Kaohsiung City Government started up the energy investigation and improvement for Energy Saving Plans. A total of 3,000 energy users were selected form 20 categories in service industry to conduct energy investigation in order to gather the electricity consumption and feedback recommendations from the domain experts, for developing the energy saving policy-driven strategies. Furthermore, implemented the ESPC projects for potential energy-saving government units, for the purpose of conserving energy and reducing carbon, activating the green energy industry, and expanding the niche market in ESCO industry, so as to be the reference site for local government implementation.
{"title":"On Site Energy Investigation and Improvement for Energy Saving Plans","authors":"M. Cho, Chien-Hsing Lee, Chien-Nan Chen","doi":"10.1109/GTSD.2016.20","DOIUrl":"https://doi.org/10.1109/GTSD.2016.20","url":null,"abstract":"In April 2015, Bureau of Energy, Ministry of Economic Affairs and the local government of Taiwan(R.O.C.) promoted the Energy-Smart-City project plan jointly. Therefore, Kaohsiung City Government started up the energy investigation and improvement for Energy Saving Plans. A total of 3,000 energy users were selected form 20 categories in service industry to conduct energy investigation in order to gather the electricity consumption and feedback recommendations from the domain experts, for developing the energy saving policy-driven strategies. Furthermore, implemented the ESPC projects for potential energy-saving government units, for the purpose of conserving energy and reducing carbon, activating the green energy industry, and expanding the niche market in ESCO industry, so as to be the reference site for local government implementation.","PeriodicalId":340479,"journal":{"name":"2016 3rd International Conference on Green Technology and Sustainable Development (GTSD)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122341386","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}
This paper describes the advantages of integrating a common Power Clamp with the ability to withstand voltage and save on wafer area. The system chip does not require a power clamp for each input source. It is as long as the system core circuit by electrostatic protection. It can reach normal operation and save as much chip area as possible. The structure of this paper has three main features: (1) electrostatic protection (ESD) circuit common Power Clamp combination (2) T025 process high and low voltage ESD (3) The experiment and results within ESD system. The results of ESD sensitivity passed is -6250V~+6200V for type HBM mode. It is -375V~+375V for type MM mode.
{"title":"Integrated Multi-Level CMOS Electrostatic Discharge (MLC-ESD) Protection Medical Ultrasound Chip System","authors":"J. Liou, Wen-De Lin","doi":"10.1109/GTSD.2016.28","DOIUrl":"https://doi.org/10.1109/GTSD.2016.28","url":null,"abstract":"This paper describes the advantages of integrating a common Power Clamp with the ability to withstand voltage and save on wafer area. The system chip does not require a power clamp for each input source. It is as long as the system core circuit by electrostatic protection. It can reach normal operation and save as much chip area as possible. The structure of this paper has three main features: (1) electrostatic protection (ESD) circuit common Power Clamp combination (2) T025 process high and low voltage ESD (3) The experiment and results within ESD system. The results of ESD sensitivity passed is -6250V~+6200V for type HBM mode. It is -375V~+375V for type MM mode.","PeriodicalId":340479,"journal":{"name":"2016 3rd International Conference on Green Technology and Sustainable Development (GTSD)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129124951","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}
In conjunction with Urban Intelligent Electricity Saving Program driven by Kaohsiung City Government in April 2016, Shi-Wei Administrative Center Building is selected as an administrative unit for planning erection of a demonstrative building energy management system, in order to improve the overall energy efficiency and save electricity expenditure of the Administrative Center Building, and lead to realize electricity saving culture, such that positive images and impressions of city government units will stay in hearts of the public with respect to realization of energy saving and carbon reduction. The web based demonstrative BEMS (Building Energy Management System) erected in this paper utilizes a large amount of infographic and data visualization design elements, in conjunction with dynamic and interactive visible chart delivery, for users or viewers to obtain critical system information rapidly. Further, a proprietary public exhibition interface in the front end of this system is arranged additionally in the visitor hall with open electricity usage of the City Government Building for the public to know. It may act as one of the sources for Kaohsiung City to promote energy cloud service in the future, and become a tool to provide the City Government with assistance in examining energy effectiveness.
{"title":"Design and Implementation of Building Energy Management System","authors":"Chien-Nan Chen, M. Cho, Chien-Hsing Lee","doi":"10.1109/GTSD.2016.34","DOIUrl":"https://doi.org/10.1109/GTSD.2016.34","url":null,"abstract":"In conjunction with Urban Intelligent Electricity Saving Program driven by Kaohsiung City Government in April 2016, Shi-Wei Administrative Center Building is selected as an administrative unit for planning erection of a demonstrative building energy management system, in order to improve the overall energy efficiency and save electricity expenditure of the Administrative Center Building, and lead to realize electricity saving culture, such that positive images and impressions of city government units will stay in hearts of the public with respect to realization of energy saving and carbon reduction. The web based demonstrative BEMS (Building Energy Management System) erected in this paper utilizes a large amount of infographic and data visualization design elements, in conjunction with dynamic and interactive visible chart delivery, for users or viewers to obtain critical system information rapidly. Further, a proprietary public exhibition interface in the front end of this system is arranged additionally in the visitor hall with open electricity usage of the City Government Building for the public to know. It may act as one of the sources for Kaohsiung City to promote energy cloud service in the future, and become a tool to provide the City Government with assistance in examining energy effectiveness.","PeriodicalId":340479,"journal":{"name":"2016 3rd International Conference on Green Technology and Sustainable Development (GTSD)","volume":"189 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132454236","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}
This paper describes an integrated logic timing CMOS control circuit and micro-electromechanical (MEMS) structure on a liquid-jet wafer. It can be a large current high voltage drive components. It is multi-level voltage output and ESD electrostatic protection circuit. It can be integrated with the liquid-jet actuator components of the wafer process. This research is to develop a low-process HDCI integrated process module. It combines MEMS architecture high-density high-frequency micro-flow structure (microflow architecture) design. It is coupled with the improvement in the accuracy of the liquid jet head package. The entire system is spray technology to the highest level. This technology is to provide the development of general jet printing products. It has a higher printing speed. It can be applied to the liquid spray technology to a more detailed level. This outlet velocity function is the power source that provides the Flow-3D calculation software as a jet of ejected monomer at 10μsec to 200μsec. It is through the simulation system to monitor the distribution of DNA droplet trajectories in outside of chamber and inside of ink chamber.
{"title":"Monolithic CMOS/MEMS Spray Chip for Addressing Medical DNA Gene Sequence","authors":"J. Liou, Wen-De Lin","doi":"10.1109/GTSD.2016.29","DOIUrl":"https://doi.org/10.1109/GTSD.2016.29","url":null,"abstract":"This paper describes an integrated logic timing CMOS control circuit and micro-electromechanical (MEMS) structure on a liquid-jet wafer. It can be a large current high voltage drive components. It is multi-level voltage output and ESD electrostatic protection circuit. It can be integrated with the liquid-jet actuator components of the wafer process. This research is to develop a low-process HDCI integrated process module. It combines MEMS architecture high-density high-frequency micro-flow structure (microflow architecture) design. It is coupled with the improvement in the accuracy of the liquid jet head package. The entire system is spray technology to the highest level. This technology is to provide the development of general jet printing products. It has a higher printing speed. It can be applied to the liquid spray technology to a more detailed level. This outlet velocity function is the power source that provides the Flow-3D calculation software as a jet of ejected monomer at 10μsec to 200μsec. It is through the simulation system to monitor the distribution of DNA droplet trajectories in outside of chamber and inside of ink chamber.","PeriodicalId":340479,"journal":{"name":"2016 3rd International Conference on Green Technology and Sustainable Development (GTSD)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124340018","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}
In recent years, gold prices continued to remain high. In order to lower cost, the gold wire packages substantial reduction and mostly converted to silver-palladium gold or copper palladium wire manufacturing process. The silver wire has high conductivity, high reliability and wide applied to the memory, the light-emitting diodes, and other products, but the price is still a little higher than copper material. To reduce costs and improve the reliability of expectations, this study by adding different trace elements copper (Cu), Nickel (Ni), indium (In), germanium (Ge), platinum (Pt) in the Ag alloy wire to reduce the precious silver metallic palladium, gold element content. This work investigates the hardness and interfacial IMC of seven Ag alloy wires with seven elements.
{"title":"The Effects of Minor Element on Performance of Ag Alloy Wires on Al Pad in the Package","authors":"Y. Chiu, Y. Zou, T. Lin, H. Kung","doi":"10.1109/GTSD.2016.12","DOIUrl":"https://doi.org/10.1109/GTSD.2016.12","url":null,"abstract":"In recent years, gold prices continued to remain high. In order to lower cost, the gold wire packages substantial reduction and mostly converted to silver-palladium gold or copper palladium wire manufacturing process. The silver wire has high conductivity, high reliability and wide applied to the memory, the light-emitting diodes, and other products, but the price is still a little higher than copper material. To reduce costs and improve the reliability of expectations, this study by adding different trace elements copper (Cu), Nickel (Ni), indium (In), germanium (Ge), platinum (Pt) in the Ag alloy wire to reduce the precious silver metallic palladium, gold element content. This work investigates the hardness and interfacial IMC of seven Ag alloy wires with seven elements.","PeriodicalId":340479,"journal":{"name":"2016 3rd International Conference on Green Technology and Sustainable Development (GTSD)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121021605","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}
In an era of growing concern over climate change, several utility companies originally supplied wholesale and retail power mainly made by burning coal, have started to consider and build the clean-energy power systems for resolving global warming problems. Wind power is nowadays regarded as one of the predominant alternative sources of clean energy. In this paper, we discuss our work on utilizing climate big-data associated with wind power, collected from several wind farms over four years, for exploring the correlation between regional wind speed and wind power. Once this huge amount of data are analyzed, it can be used to develop policies for siting wind-power facilities, designing smart charging algorithms, or evaluating the capacity of electrical distribution systems to meet the actual requirement of power load. Our work started with collecting related climate data for building data model to perform analytics work and experiments using Support Vector Regression (SVR) method. Also, we observed the correlations between other factors related to wind speed and wind energy from our empirical model. The preliminary experimental results demonstrate that our developed system framework is workable, allowing for detailed analysis of the important wind-power related factors on specific wind farm regions.
{"title":"Applying Climate Big-Data to Analysis of the Correlation between Regional Wind Speed and Wind Energy Generation","authors":"Chung-Hong Lee, Chien-Cheng Chou, Xiang-Hong Chung, Pei-Wen Zeng","doi":"10.1109/GTSD.2016.49","DOIUrl":"https://doi.org/10.1109/GTSD.2016.49","url":null,"abstract":"In an era of growing concern over climate change, several utility companies originally supplied wholesale and retail power mainly made by burning coal, have started to consider and build the clean-energy power systems for resolving global warming problems. Wind power is nowadays regarded as one of the predominant alternative sources of clean energy. In this paper, we discuss our work on utilizing climate big-data associated with wind power, collected from several wind farms over four years, for exploring the correlation between regional wind speed and wind power. Once this huge amount of data are analyzed, it can be used to develop policies for siting wind-power facilities, designing smart charging algorithms, or evaluating the capacity of electrical distribution systems to meet the actual requirement of power load. Our work started with collecting related climate data for building data model to perform analytics work and experiments using Support Vector Regression (SVR) method. Also, we observed the correlations between other factors related to wind speed and wind energy from our empirical model. The preliminary experimental results demonstrate that our developed system framework is workable, allowing for detailed analysis of the important wind-power related factors on specific wind farm regions.","PeriodicalId":340479,"journal":{"name":"2016 3rd International Conference on Green Technology and Sustainable Development (GTSD)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126687698","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}
The interaction of xanthan gum (XG) with each other as well as additional compounds in aqueous solution were investigated. The findings and the experimental results also demonstrated the existence of liquid crystalline (LC) behavior and shearing thinning fluid of aqueous XG blends. The compositionally blending ratios with some agents (herein, phosphoric acid, hydroxypropyl cellulose and acacia gum) could promote or inhibit the LC region and the viscosity owing to the large amount of inter-and intra-molecular associations among XG helices. A proposed phase diagram of tertiary polysaccharide blends denoted the mutual effect of molecules in mixtures, especially the phase transition from liquid crystallization to isotropy. Furthermore, the microscopic, optical and rheological investigations to determine anisotropic phase, viscosity and transmitted light intensity demonstrated the highly ordered structures and flexibly conformational transformation of XG helices under variously thermal, solvent and vibrational conditions. This paper also discussed about the synergistically effects of concentration, temperature and frequency on morphological characteristics and rheological properties.
{"title":"Synergistic Effect of Concentration, Temperature and Oscillation Frequency on Anisotropic and Rheological Behavior of Aqueous Xanthan Gum Mixtures","authors":"T. Nguyen","doi":"10.1109/GTSD.2016.64","DOIUrl":"https://doi.org/10.1109/GTSD.2016.64","url":null,"abstract":"The interaction of xanthan gum (XG) with each other as well as additional compounds in aqueous solution were investigated. The findings and the experimental results also demonstrated the existence of liquid crystalline (LC) behavior and shearing thinning fluid of aqueous XG blends. The compositionally blending ratios with some agents (herein, phosphoric acid, hydroxypropyl cellulose and acacia gum) could promote or inhibit the LC region and the viscosity owing to the large amount of inter-and intra-molecular associations among XG helices. A proposed phase diagram of tertiary polysaccharide blends denoted the mutual effect of molecules in mixtures, especially the phase transition from liquid crystallization to isotropy. Furthermore, the microscopic, optical and rheological investigations to determine anisotropic phase, viscosity and transmitted light intensity demonstrated the highly ordered structures and flexibly conformational transformation of XG helices under variously thermal, solvent and vibrational conditions. This paper also discussed about the synergistically effects of concentration, temperature and frequency on morphological characteristics and rheological properties.","PeriodicalId":340479,"journal":{"name":"2016 3rd International Conference on Green Technology and Sustainable Development (GTSD)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124519886","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}
P. Dao, N. An, N. T. Thuy, N. Tuyet, Tran Thi Thao Truc
We have carried out studying for antioxidant activity of 15 extracts prepared from 15 vegetables and fruits in Tay Nguyen region by two methods including DPPH free radical scavenging assay and hydrogen peroxide scavenging activity assay. Among 15 Tay Nguyen by-product extracts investigated for their antioxidant activities, avocado seed (TN-14) and avocado peel (TN-13) exhibited strong activity with the following IC50 values: 5.84 μg/mL, 98.12 μg/mL, 14.96 μg/mL, and 113.63 μg/ml, respectively. These extracts were used as natural antioxidant food preservatives for shrimp cold storage at 2 0C and tested by sensory evaluation of melanosis development in shrimps and lipid peroxidation inhibition assay (TBARs). Treated shrimp samples by TN-13 and TN-14 have gray values and TBARs values lower than the control sample (treating by water). These results suggested that TN-13 and TN-14 are able to slow down oxidation process of fat and melanosis development in shrimp during the cold processing.
{"title":"Screening on Antioxidant Activities of By-Products from Vegetables and Fruits in Tay Nguyen Region and Applying for Shrimp Cold Storage","authors":"P. Dao, N. An, N. T. Thuy, N. Tuyet, Tran Thi Thao Truc","doi":"10.1109/GTSD.2016.31","DOIUrl":"https://doi.org/10.1109/GTSD.2016.31","url":null,"abstract":"We have carried out studying for antioxidant activity of 15 extracts prepared from 15 vegetables and fruits in Tay Nguyen region by two methods including DPPH free radical scavenging assay and hydrogen peroxide scavenging activity assay. Among 15 Tay Nguyen by-product extracts investigated for their antioxidant activities, avocado seed (TN-14) and avocado peel (TN-13) exhibited strong activity with the following IC50 values: 5.84 μg/mL, 98.12 μg/mL, 14.96 μg/mL, and 113.63 μg/ml, respectively. These extracts were used as natural antioxidant food preservatives for shrimp cold storage at 2 0C and tested by sensory evaluation of melanosis development in shrimps and lipid peroxidation inhibition assay (TBARs). Treated shrimp samples by TN-13 and TN-14 have gray values and TBARs values lower than the control sample (treating by water). These results suggested that TN-13 and TN-14 are able to slow down oxidation process of fat and melanosis development in shrimp during the cold processing.","PeriodicalId":340479,"journal":{"name":"2016 3rd International Conference on Green Technology and Sustainable Development (GTSD)","volume":"103 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123541384","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}
In this paper, an innovative transformer load estimation methodology is proposed to determine the daily power profile of distribution transformers. A two-stage load estimator algorithm that combines customer load pattern from smart meters and state estimation (SE) theory is developed to provide the secondary output power of distribution transformers in the low voltage network at a sound accuracy with customer load measurements. The estimated results that could reflect true transformer loading then are used for transformer load management. A 5-bus test system has been analyzed to show the good convergence characteristics of the developed estimator algorithm and to demonstrate the effectiveness of proposed methodology. The method proposed in this paper can effectively assist electric utilities for the evaluation of loading factors of distribution transformers to prevent the burn out of transformers caused by overloading problem. The operation efficiency of distribution systems can also be enhanced by loading balance of distribution transformers.
{"title":"Transformer Load Estimation Using Smart Meter Data in Taipower","authors":"C. Su, Hai-Ming Ching, Yu-Chi Pu, Chao-Lin Kuo","doi":"10.1109/GTSD.2016.18","DOIUrl":"https://doi.org/10.1109/GTSD.2016.18","url":null,"abstract":"In this paper, an innovative transformer load estimation methodology is proposed to determine the daily power profile of distribution transformers. A two-stage load estimator algorithm that combines customer load pattern from smart meters and state estimation (SE) theory is developed to provide the secondary output power of distribution transformers in the low voltage network at a sound accuracy with customer load measurements. The estimated results that could reflect true transformer loading then are used for transformer load management. A 5-bus test system has been analyzed to show the good convergence characteristics of the developed estimator algorithm and to demonstrate the effectiveness of proposed methodology. The method proposed in this paper can effectively assist electric utilities for the evaluation of loading factors of distribution transformers to prevent the burn out of transformers caused by overloading problem. The operation efficiency of distribution systems can also be enhanced by loading balance of distribution transformers.","PeriodicalId":340479,"journal":{"name":"2016 3rd International Conference on Green Technology and Sustainable Development (GTSD)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128471087","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}
This study investigated the adsorption of Cd(II) ions in aqueous solutions onto the chitosan flakes cross-linked with glutaraldehyde (Gch), and citric acid (CGch). The optimal conditions for these adsorptions process were found to be at pH 6 with contact time of 400 min for Gch and 350 min for CGch. The Cd(II) adsorption process on Gch and CGch well fitted to the pseudosecond-order model. The data obtained from the equilibrium experiment were analyzed using Langmuir, Freundlich and Dubinin-Radushkevich (D-R) models. The results showed that the adsorption process was more effectively described by Langmuir model for Gch and Freundlich model for CGch. Calculated thermodynamic parameters, ΔG, ΔH, and ΔS of the processes showed that Cd(II) adsorption on Gch and CGch was spontaneous and endothermic process.
{"title":"Modified Chitosan Flakes with Glutaraldehyde and Citric Acid as a Potential Biosorbent for Adsorption of Cd(II) from Aqueous Solution","authors":"Ho Thi Yêu Ly, S. Nguyen","doi":"10.1109/GTSD.2016.62","DOIUrl":"https://doi.org/10.1109/GTSD.2016.62","url":null,"abstract":"This study investigated the adsorption of Cd(II) ions in aqueous solutions onto the chitosan flakes cross-linked with glutaraldehyde (Gch), and citric acid (CGch). The optimal conditions for these adsorptions process were found to be at pH 6 with contact time of 400 min for Gch and 350 min for CGch. The Cd(II) adsorption process on Gch and CGch well fitted to the pseudosecond-order model. The data obtained from the equilibrium experiment were analyzed using Langmuir, Freundlich and Dubinin-Radushkevich (D-R) models. The results showed that the adsorption process was more effectively described by Langmuir model for Gch and Freundlich model for CGch. Calculated thermodynamic parameters, ΔG, ΔH, and ΔS of the processes showed that Cd(II) adsorption on Gch and CGch was spontaneous and endothermic process.","PeriodicalId":340479,"journal":{"name":"2016 3rd International Conference on Green Technology and Sustainable Development (GTSD)","volume":"79 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126733736","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}
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