Patent · US Active

Treatment of the wastewater from isophorone production comprising neutralization, filtration and a downstream chemical oxidation process and subsequent reduction

US9994472B2 · kind B2 · utility

0Cited by

1References

14Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Yue Chang · Beijing, CN
Manfred Kreczinski · Herne, DE
Martin Maier · Asperg, DE
Matthias Woyciechowski · Langenselbold, DE

Key dates

Filing date	Oct 18, 2016
Grant date	Jun 12, 2018
Priority date	—
Expiry date	Nov 23, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2303/185
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Treatment of the wastewater from isophorone production comprising neutralization, filtration and a downstream chemical oxidation process and subsequent reduction.The invention relates to treatment of the wastewater from isophorone (IP) production comprising neutralization, filtration and a downstream chemical oxidation process and subsequent reduction.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.