There are lots of phenolic byproducts in the production of mononitrotoluene, which have high toxicity and are difficult to be treated. 其生产过程中产生大量酚类副产物,毒性大,难治理。
A process of recovery of the nitric acid and nitro compounds from mononitrotoluene ( MNT) waste acid by toluene extraction was introduced. 介绍硝基甲苯废酸用甲苯萃取的工艺选择,经萃取可回收废酸中的硝酸和硝基化合物。
Recovery Technology of Residual Liquid During Production of Mononitrotoluene 一硝基甲苯生产中残液的回收技术