染料中间体二硝基氯化苯废水对生物具有毒性，是目前最难处理的废水之一。
Dye intermediate Dinitro chlorobenzene is toxic for micro organism and one of the most hard treated kinds of wastewater.
提出了一种以2，3-二氯硝基苯为原料，经氟化、高温氯化、硝化、再氟化反应合成2，3，4-三氟硝基苯的新工艺路线。
A method is given for synthesis of 2,3,4 trifluoronitrobenzene from 2,3 dichloronitrobenzene by fluorination, chlorination, nitration, etc.
研究了以无水氯化钙为催化剂在中性条件下合成2， 4- 二硝基苯腙的新方法。
A new route for preparing 2,4-dinitrophenylhydrazones by treating aromic aldehydes or alkane ketones and 2,4-dinitrophenylhydrazines with anhydrous calcium chloride as a catalyst.
研究了以无水氯化钙为催化剂在中性条件下合成2， 4- 二硝基苯腙的新方法。
A new route for preparing 2,4-dinitrophenylhydrazones by treating aromic aldehydes or alkane ketones and 2,4-dinitrophenylhydrazines with anhydrous calcium chloride as a catalyst.
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