Patents Assigned to Huchems Fine Chemical Corp.
  • METHOD OF TREATING WASTE WATER PRODUCED DURING PREPARING NITRO COMPOUND
    Publication number: 20120241374
    Abstract: 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.
    Type: Application
    Filed: November 22, 2010
    Publication date: September 27, 2012
    Applicant: Huchems Fine Chemical Corp.
    Inventors: Chong Pil Bae, Chang Gag Park, Dong Ha Kim, Soon Gi kim