Modification and application of coking coal by alkali pretreatment in wastewater adsorption
作者： Shulei Li , Lihui Gao , Hong Wen , Guosheng Li , Yongtian Wang
DOI: 10.1080/01496395.2017.1355383
关键词:
摘要: ABSTRACTCoking coal has been employed for coking wastewater adsorption treatment. The modification and of pretreated by alkali solution is discussed compared in this study. Results demonstrated OH- could react with -COOH, -OH minerals, which resulted surface variations. As the hydroxide concentration increased, hydrophobility increased zeta potential became less negative. A sample 0.1 mol/L NaOH had highest area pore volume. ability samples was improved significantly as changes. capacity, followed pseudo-second-order kinetics.
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