Pub Date : 2018-08-16DOI: 10.17576/mjas-2018-2204-16
D. A. B. Sidik, N. Hairom, N. Z. Zainuri, A. L. Desa, N. Misdan, N. Yusof, C. Ong, A. Mohammad, Nur Shahirah Mohd Aripen
Due to the lack of studies regarding the potential of polyvinylpyrrolidone (PVP) as capping agent in precipitation of zinc oxide (ZnO) nanoparticles, this research focused on the performance of ZnO nanoparticles with presence of PVP loading on photocatalytic degradation treatment for industrial dye wastewater. Three different samples of ZnO-PVP were successfully synthesized via precipitation method. The degradation rate of dye approached 90.61% under pH7 in the presence of ZnO-PVP (0.025g/L of PVP). The chemical bonds in ZnO-PVP was analysed using Fourier Transform Infrared Spectroscopy (FTIR).
{"title":"PHOTOCATALYTIC DEGRADATION OF INDUSTRIAL DYE WASTEWATER USING ZINC OXIDE-POLYVINYLPYRROLIDONE NANOPARTICLES","authors":"D. A. B. Sidik, N. Hairom, N. Z. Zainuri, A. L. Desa, N. Misdan, N. Yusof, C. Ong, A. Mohammad, Nur Shahirah Mohd Aripen","doi":"10.17576/mjas-2018-2204-16","DOIUrl":"https://doi.org/10.17576/mjas-2018-2204-16","url":null,"abstract":"Due to the lack of studies regarding the potential of polyvinylpyrrolidone (PVP) as capping agent in precipitation of zinc oxide (ZnO) nanoparticles, this research focused on the performance of ZnO nanoparticles with presence of PVP loading on photocatalytic degradation treatment for industrial dye wastewater. Three different samples of ZnO-PVP were successfully synthesized via precipitation method. The degradation rate of dye approached 90.61% under pH7 in the presence of ZnO-PVP (0.025g/L of PVP). The chemical bonds in ZnO-PVP was analysed using Fourier Transform Infrared Spectroscopy (FTIR).","PeriodicalId":18025,"journal":{"name":"Malaysian Journal of Analytical Science","volume":"12 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90852605","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 : 2018-06-25DOI: 10.17576/mjas-2018-2203-10
{"title":"VENTILATION EFFECT ON THE RADON-222 ANNUAL EFFECTIVE DOSE INSIDE GUA GAJAH AND GUA PENYU CAVES, KOMPLEKS GUA KOTA GELANGGI, PAHANG, MALAYSIA","authors":"","doi":"10.17576/mjas-2018-2203-10","DOIUrl":"https://doi.org/10.17576/mjas-2018-2203-10","url":null,"abstract":"","PeriodicalId":18025,"journal":{"name":"Malaysian Journal of Analytical Science","volume":"36 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78298143","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 : 2018-06-25DOI: 10.17576/mjas-2018-2203-18
Khairul Baqir Alkhair, O. H. Hassan, S. Mohamed, Yap Kian Chung Andrew, Zulkifli Ab. Rahman, T. Kudin, A. Ali, M. Yahya, Muhammad Haikal Zainal
Microbial Fuel Cell (MFC) is an alternative method of renewable energy which have gained considerable attention due to its capability to generate electricity and treat wastewater such as palm oil mill effluent (POME). MFC’s mechanism on its electrochemical process is still lacking and further studies is needed. The objectives of this study are (1) to determine the compatibility of MFC device in generating electricity by using three different electrodes and (2) to study the effect of sodium hydroxide (NaOH) to MFC’s performance. In this work, the MFC device is associated with 3 different electrodes which are carbon brush (CB), carbon cloth (CC) and pre-treated carbon cloth (PCC) on its anode chamber. There are 2 types of substrates used in this experiment which are POME with the presence of bacteria (POME+) and POME without bacteria in it (POME-). The experiment was carried out for 120 hours and its power generation was monitored. The experimental result shows that PCC with POME+ yielded the highest power density of 49.88 mW/m at 27 hours as compared to the others. In addition, CC with POMEhas the highest chemical oxygen demand (COD) deduction which indicates the POME treatment was deducted by 45.93%. NaOH affected the performance of MFC but is insignificant to influence the redox reaction of MFC.
{"title":"COMPARATIVE STUDY OF MICROBIAL FUEL CELL’S PERFORMANCE USING THREE DIFFERENT ELECTRODES","authors":"Khairul Baqir Alkhair, O. H. Hassan, S. Mohamed, Yap Kian Chung Andrew, Zulkifli Ab. Rahman, T. Kudin, A. Ali, M. Yahya, Muhammad Haikal Zainal","doi":"10.17576/mjas-2018-2203-18","DOIUrl":"https://doi.org/10.17576/mjas-2018-2203-18","url":null,"abstract":"Microbial Fuel Cell (MFC) is an alternative method of renewable energy which have gained considerable attention due to its capability to generate electricity and treat wastewater such as palm oil mill effluent (POME). MFC’s mechanism on its electrochemical process is still lacking and further studies is needed. The objectives of this study are (1) to determine the compatibility of MFC device in generating electricity by using three different electrodes and (2) to study the effect of sodium hydroxide (NaOH) to MFC’s performance. In this work, the MFC device is associated with 3 different electrodes which are carbon brush (CB), carbon cloth (CC) and pre-treated carbon cloth (PCC) on its anode chamber. There are 2 types of substrates used in this experiment which are POME with the presence of bacteria (POME+) and POME without bacteria in it (POME-). The experiment was carried out for 120 hours and its power generation was monitored. The experimental result shows that PCC with POME+ yielded the highest power density of 49.88 mW/m at 27 hours as compared to the others. In addition, CC with POMEhas the highest chemical oxygen demand (COD) deduction which indicates the POME treatment was deducted by 45.93%. NaOH affected the performance of MFC but is insignificant to influence the redox reaction of MFC.","PeriodicalId":18025,"journal":{"name":"Malaysian Journal of Analytical Science","volume":"2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78757191","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 : 2018-06-25DOI: 10.17576/mjas-2018-2203-16
{"title":"THE ASSESSMENT OF INDOOR RADON-222 CONCENTRATION AND EMANATION RATE AT GUA PENYU, PAHANG","authors":"","doi":"10.17576/mjas-2018-2203-16","DOIUrl":"https://doi.org/10.17576/mjas-2018-2203-16","url":null,"abstract":"","PeriodicalId":18025,"journal":{"name":"Malaysian Journal of Analytical Science","volume":"10 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88611605","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}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：