An adsorption and desorption study has been conducted using five organic compounds of different physico-chemical properties and four regenerant solutions to evaluate the feasibility of a novel on-site chemical regeneration of GAC.
Ion fosfat sering dikaitkan dengan terjadinya algae blooming dan masalah estetika pada badan air permukaan. Fosfat ini perlu diolah dan dimanfaatkan lebih lanjut. Salah satu metode yang dapat digunakan untuk mengolah orthofosfat adalah metode adsorpsi. Tujuan dari penelitian ini adalah mengadsorpsi ion fosfat ke dalam adsorben yang murah. Tanah (tanah Dago dan tanah Arcamanik) dan bebatuan lokal seperti dolomite hadir sebagai media adsorben yang murah dan mudah diperoleh. Dilakukan percobaan pengaruh pH larutan terhadap proses adsorpsi. Hasil penelitian menunjukkan bahwa efisiensi penyisihan orthofosfat tertinggi saat pH asam (pH 2).
The widespread use of pesticides for agricultural purposes results in their presence in the environment. Pesticide occurrence is causing potential negative impacts on human health and environmental deterioration in general. One of the interdisciplinary field to implement a technology for converting and conserving resources is bioelectrochemistry. An integrated system based on bioelectrochemical processes, namely Bioelectrochemical System (BES), has been well developed to date. The application of BES to remove various materials in the bioremediation process has been well established in the combination with diverse technologies. The set up of integrated BES with Granular Activated Carbon (GAC) is one of the promising solutions to enhance the removal of the pesticide in water. The BES in situ has been implemented to remove contaminants in groundwater. This mini-review discusses the recent development of pesticide removal and environmental remediation using bioelectrochemical approaches, offering new insight into the big scope of green technology application.
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