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1·Treatment on acid-bearing wastewater from sulphonamide manufacturing was studied, taking calcium carbide dregs as neutralizer in this paper.

选择以电石渣作为中和剂，对磺胺生产过程的含酸废水处理进行了试验研究。

磺胺

1·Treatment on acid-bearing wastewater from sulphonamide manufacturing was studied, taking calcium carbide dregs as neutralizer in this paper.

选择以电石渣作为中和剂，对磺胺生产过程的含酸废水处理进行了试验研究。