BATCH ELECTROCOAGULATION TREATMENT OF SUNGAI KUAP IN RELATION TO SAMA JAYA FREE INDUSTRIAL ZONE, KUCHING, SARAWAK.

WAN WAFI SHAHANNEY BIN WAN BORHAN, - (2022) BATCH ELECTROCOAGULATION TREATMENT OF SUNGAI KUAP IN RELATION TO SAMA JAYA FREE INDUSTRIAL ZONE, KUCHING, SARAWAK. [Final Year Project Report] (Unpublished)

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Abstract

Domestic water sources are a necessary element of human life. Approximately about 39% of the rural areas households in Sarawak are yet to access a reliable water supply. It has become a significant challenge amongst the community to obtained reliable water sources, where some of the populations are relying on desalinated and surface water for their daily water consumption. River water pollution is a significant problem for the population living nearby the industrial zone. This problem arises due to industrial effluent being discharge into the river water contains various organic and inorganic pollutants. Among these contaminants are heavy metals, which may be harmful or carcinogenic to humans and other living organisms. The high efficiency and low cost of electrocoagulation as a method of eliminating contaminants has recently attracted a lot of interest. Thus, the study is conducted to investigate the water quality at downstream, midstream and upstream of the Sungai Kuap in relation to the water pollution from the Sama Jaya Free Industrial Zone, Kuching, Sarawak by using the batch electrocoagulation treatment with an aluminum electrode. The research study includes the literature review on the availability clean water supply in rural areas in Sarawak and the principle of the electrocoagulation treatment system. The water quality analysis for the downstream, midstream and upstream of the Sungai Kuap is conducted including the Turbidity, Colour, Total suspended solid (TSS), Total dissolved solid (TDS), Total organic carbon (TOC), and Chemical oxygen demand (COD). Besides, the factors affecting the pollutants removal efficiency also being analyse such the current supply and also the treatment times. The analysis of the untreated and treated water as well as the floc composition also being investigated. The kinetic modelling and statistical modelling are developed and conducted for the electrocoagulation treatment of Sungai Kuap. Lastly, the economic analysis is performed to analyse the energy operating cost of the batch electrocoagulation treatment in removing the pollutants as well as treating the untreated water from the downstream, midstream and upstream Sungai Kua

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