6 , an increasing trend in MB removal efficiency was observed with the increasing pH value, suggesting that an alkaline conditions is more beneficial to MB adsorption, this reason is that the MB is a type of cationic dye.
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Functionalization of biochar using SDS/SAP nanomicelles enhanced its immobilization capacity for dyes and heavy metals in water.
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The sentences
But, when exceeds 0.8 CMC, the removal rate of MB shows a decreasing trend.