Huchems Fine Chemical Corp.
Huchems Fine Chemical Corp. Patent applications | ||
Patent application number | Title | Published |
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20120241374 | METHOD OF TREATING WASTE WATER PRODUCED DURING PREPARING NITRO COMPOUND - This invention relates to a method of treating waste water produced during the nitration of compounds, which includes an appropriate pretreatment process and a vacuum evaporation process, so that acidic or alkaline aqueous waste water which is difficult to treat via conventional processes can be easily treated without performing microorganism treatment. | 09-27-2012 |