摘要
以邻硝基苯胺为原料,采用低压催化加氢还原技术合成邻苯二胺。收率>90%,产品质量分数>98%,该工艺减少了“三废”污染。
Synthesis of o phenylenediamine from o nitroaniline by catalytic hydrogenation at lower pressure was studied. The total yield was over 90%,the purity of the product was over 98% and the wastes were reduced.
出处
《江苏化工》
1999年第1期22-23,共2页
Jiangsu Chemical Industry
关键词
邻苯二胺
催化加氢
合成
加氢还原
o Phenylenediamine Catalytic hydrogenation Synthesis