不同因素对活性炭吸附马拉硫磷的影响研究

Effects of Different Conditions on Adsorption Behavior of the Malathion on Activated Carbon

以含马拉硫磷的废水为研究对象,考察了活性炭的投加量、吸附时间、反应温度及溶液pH值等因素对活性炭吸附马拉硫磷行为的影响.结果表明:活性炭对马拉硫磷的吸附以快速吸附为主,2 h内吸附速度很快;在一定的范围内,活性炭的投加量及反应温度与固相吸附量成正比;活性炭对马拉硫磷的吸附在酸性溶液中能力较强,pH值在3.8～4.0范围内,吸附效果最好.

Effects of activated carbon dosage,reaction time,reaction temperature and pH on the adsorption behavior of wastewater from Malathion on activated carbon were discussed.The results showed that Malathion adsorption on activated carbon was a rapid reaction within 2 hours.In a certain range,Malathion adsorption was in proportion to activated carbon dosage and reaction temperature.The adsorption capacity was stronger in the acid solution and the best pH for adsorption is in the range of 3.8 to 4.0.