Abstract
Pesticide rinsates have been found to be one source of surface water and groundwater contamination. Practical waste treatment methods that achieve environmental protection standards applicable to pesticide rinsates are limited (Kuo, 1993). The research to be presented was conducted to investigate the feasibility of using SMS as an adsorption medium and as a microorganism source to remediate synthetic technical grade rinsate solutions containing up to 30 mg/L of three carbamate insecticides, namely, carbaryl, carbofuran and aldicarb. All experiments were conducted in the laboratory using bench scale complete mixing batch reactors (CMBR) at 25°C.The results indicated that the SMS was able to adsorb the candidate pesticide from aqueous solution. The process was found to exhibit nonlinear “favorable” adsorption behavior which was characterized by the Freundlich isotherm model. Rates were enhanced by the increase of organic contents in the SMS.The SMS microorganisms were found to be more adapted to detoxifying...
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