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1 概述 在电石法生产溶解乙炔的工艺中,需用硫酸净化、用碱中和乙炔气体。在容器中、硫酸在净化过程中吸收水份,其浓度从初始的≥98％逐渐稀释为60％左右。工作压力为
1 Overview Calcium carbide process in the production of dissolved acetylene, the need to purify sulfuric acid, alkali and acetylene gas neutralization. In the container, sulfuric acid absorbs water during purification, and its concentration is gradually diluted from about ≧ 98% to about 60%. Work pressure is