Title:
THE PROCESS FOR TREATING THE BOTTOM RESIDUE OF VINYL ACETATE
Document Type and Number:
WIPO Patent Application WO/2005/039729
Kind Code:
A1
Abstract:
Abstract: The invention relates to the reproduction of the industrial waste and it is an environmental treatment process for the bottom residue of vinyl acetate. Said process comprises the process of washing and dewatering the bottom residue, can attain the no public nuisance treatment of the industrial residue and can obtain the solid poly(vinyl acetate) at a low cost when recovering the acetate. The poly(vinyl acetate) of the invention can be used for preparing quick-drying oil paint, primer paint, antirust paint, adhesive, printing ink, building material and road material etc. and its production cost is low. The cost of the process equipment of the invention is low and the operation is simple and convenient. The invention has found a new significantly environmental and economic treatment process for the bottom residue discharged from the production process of vinyl acetate.
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Inventors:
WAN XIAOWEN (CN)
LIU DONGMEI (CN)
WAN LIPING (CN)
WAN YONG (CN)
LIU DONGMEI (CN)
WAN LIPING (CN)
WAN YONG (CN)
Application Number:
PCT/CN2003/000915
Publication Date:
May 06, 2005
Filing Date:
October 29, 2003
Export Citation:
Assignee:
WAN XIAOWEN (CN)
LIU DONGMEI (CN)
WAN LIPING (CN)
WAN YONG (CN)
LIU DONGMEI (CN)
WAN LIPING (CN)
WAN YONG (CN)
International Classes:
B01D17/02; C07C67/48; C08L31/04; (IPC1-7): B01D17/02
Foreign References:
| SU332716A1 | 1976-02-15 | |||
| CN1231296A | 1999-10-13 | |||
| CN1229113A | 1999-09-22 |
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (8 Beijing, CN)
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