Nur Shahirah Mohd Aripen, N. A. Abdul Halim, Sabrina Saadon, Nur Danisya Akma Jamil
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引用次数: 0
Abstract
Lake water getcontaminate due to the growth of population and modernization which causing problems like sewage disposal has a high-volume and low-strength wastewater that can be reused for many purposes after being treated. It is crucial for wastewater to go through wastewater treatment to improves the quality of water where one of the processes involved is coagulation yet using conventional coagulant leaves excess heavy metal in the water causes in the absence of green chemistry. Chemical coagulants may have an adverse effect on the consumer and the environment such as aluminum build up in the environment, as well as have a harmful influence on the human body, resulting in Alzheimer's disease. The use of natural coagulants can be a secure replacement for chemical coagulants. Therefore, this study was conducted to reduce the usage of chemicals in the coagulation process by using natural coagulant of banana peels and soybean hulls. The main aim of this study is to investigate the effect of natural coagulant for wastewater treatment of lake water. Banana peels and soybean hulls were the main materials in making a plant-based coagulant by drying, grinding, and sieving. Jar test was carried out to investigate the effectiveness of natural coagulant by determining their turbidity and total suspended solids.It was found that banana peels perform effectively at a dosage of 400mg/L with turbidity removal achieved is almost 50%. On the other hand, soybean hulls work effectively at a dosage of 600mg/L with turbidity removal achieved is 54%. Based on the result, it is shown that using banana peels as a natural coagulant has effectively reduced the turbidity and total suspended solids of lake water with the optimum number of dosages of 600mg/L.
期刊介绍:
Songklanakarin Journal of Science and Technology (SJST) aims to provide an interdisciplinary platform for the dissemination of current knowledge and advances in science and technology. Areas covered include Agricultural and Biological Sciences, Biotechnology and Agro-Industry, Chemistry and Pharmaceutical Sciences, Engineering and Industrial Research, Environmental and Natural Resources, and Physical Sciences and Mathematics. Songklanakarin Journal of Science and Technology publishes original research work, either as full length articles or as short communications, technical articles, and review articles.