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本文综述了木质素堵剂的发展和应用。作者对木质素磺酸盐堵剂、碱木素堵剂和木质素复合堵剂的配方及特点进行了分析对比,还对改性木质素无铬复合堵剂的制备作了探讨.
This article reviews the development and application of lignin plugging agents. The authors compared the formulation and characteristics of lignosulfonate blockers, lignin blockers and lignin complex plugging agents, and also discussed the preparation of modified lignin-free chromium complex plugging agents.