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.
介绍了国内对硝基氯化苯和邻硝基氯化苯的生产情况和近几年产量，分析了其消费及市场情况。
The situation analysis of consumption market, production situation and output for domestic p-nitrochlorobenzene and o-nitrochlorobenzene in recent are presented in this article.
研究了氯化苄的选择性硝化及其在对硝基苯甲醛合成中的应用。
The selective nitration of benzyl chloride and its application in the synthesis of4-nitrobenzaldehyde were studied.
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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