活性炭处理页岩气压裂返排液研究
Research on Treatment of Shale Gas Fracturing Discharge Liquid with Activated Carbon
摘要: 为解决页岩气压裂返排液有机物难降解问题，本文以未活化活性炭为对照，探究投加量、吸附时间对活化活性炭处理效果的影响。结果表明，工艺参数对处理效果存在明显阈值效应，当活性炭投加量为3.33 g/L、吸附反应时间90 min时，返排液有机物去除率可达82.99%，为本研究最优工况。该工艺实用性强，可结合组合工艺优化运行，为返排液预处理提供技术依据。
Abstract: To address the problem of refractory organic pollutants in shale gas fracturing flowback fluid, this paper adopts inactivated activated carbon as the control group to explore the effects of dosage and adsorption time on the treatment performance of acid-activated activated carbon. Results demonstrated a clear threshold effect of process parameters: at a dosage of 3.33 g/L and an adsorption time of 90 minutes, the organic compound removal rate reached 82.99%, representing the optimal operating conditions. This process is highly practical and can be integrated into combined processes for optimization, providing a technical basis for wastewater pretreatment.
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