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Title:
INTEGRATED PRODUCTION METHOD FOR ACETIC ACID, VINYL ACETATE AND POLYVINYL ALCOHOL
Document Type and Number:
WIPO Patent Application WO/2013/191399
Kind Code:
A1
Abstract:
The present invention relates to an integrated production method for acetic acid, vinyl acetate and polyvinyl alcohol, and, more specifically, relates to an integrated production method for acetic acid, vinyl acetate and polyvinyl alcohol, the method comprising the steps of: (a) producing carbon monoxide by reacting a hydrocarbon and oxygen; (b) purifying the carbon monoxide; (c) producing acetic acid by reacting the carbon monoxide with methanol; (d) purifying the acetic acid; (e) producing vinyl acetate by reacting the acetic acid with oxygen and ethylene; (f) purifying the vinyl acetate; (g) producing polyvinyl acetate by polymerising the vinyl acetate; (h) producing a polyvinyl alcohol and methyl acetate by carrying out a saponification reaction by adding methanol to the polyvinyl acetate; and (i) recovering acetic acid by reacting the methyl acetate with water. According to the present invention, not only can acetic acid, vinyl acetate and polyvinyl alcohol be efficiently produced via a single integrated process, but also steam generated in one step of the integrated process can be used in another step, and thus energy can be recovered both efficiently and economically.

Inventors:
LEE, In Su (#212-902, Daewoo Prugio Apt. Gwanpyeong-dong,Yuseong-gu, Daejeon 305-742, 305-742, KR)
SON, Yui-Rak (#101-502, Jeil Punggyeongchae Apt. Guyeong-ri, Beomseo-eup,Ulju-gun, Ulsan 689-796, 689-796, KR)
HONG, Won-Jong (2-2 Sangnam-ri, Cheongnyang-myeonUlju-gun, Ulsan 689-863, 689-863, KR)
MOON, Seok Pyong (#302, 482-6 Mugeo-dong,Nam-gu, Ulsan 680-808, 680-808, KR)
MOON, Byeong-Hyeon (851-20, Sinjeong 4-dongNam-gu, Ulsan 680-014, 680-014, KR)
Application Number:
KR2013/005034
Publication Date:
December 27, 2013
Filing Date:
June 07, 2013
Export Citation:
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Assignee:
SAMSUNG-BP CHEMICALS CO., LTD. (2-2 Sangnam-ri, Cheongnyang-myeonUlju-gun, Ulsan 689-863, 689-863, KR)
International Classes:
C08F16/06; C07C51/25; C07C67/05; C08F18/08
Foreign References:
KR100958482B12010-05-17
KR20070030889A2007-03-16
US6232352B12001-05-15
US20070245736A12007-10-25
KR100535736B12006-06-22
Attorney, Agent or Firm:
TAEBAEK INTELLECTUAL PROPERTY LAW FIRM (#601, innoplex 1-cha151, Gasan digital 1-r, Geumcheon-gu Seoul 153-803, 153-803, KR)
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