浓硫酸;
studies on methyl esterification of fatty acid in soybean oil deodorizer distillate catalyzed by oil of vitriol
浓硫酸催化脱臭馏出物脂肪酸甲酯化工艺研究
sulphonating reaction happened in glutinous , pitch shape foreign substance etc. in oil of vitriol and waste engine oil at this time.
这时,浓硫酸跟废机油中的胶质、沥青状杂质等发生磺化反应。
D . O . V. ( double oil of vitriol )
浓硫酸 ( 商名 )
During the disposal of waste water in the recycle device of acrylic fibre solvent, for a good deal of heat of solution produced by mixing oil of vitriol with water, the cauterization is rigorous, the line is rusted and leaked frequently.
腈纶溶剂回收装置的污水处理过程中,由于浓硫酸与水混合后产生大量的热,腐蚀条件极为苛刻,管线腐蚀泄漏频繁,影响正常生产。
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