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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0272551 (1972-07-17) |
우선권정보 | DT-2136396 (1971-07-21) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 39 인용 특허 : 0 |
Acrylic acid practically devoid of water, acrolein, formaldehyde and acetic acid is obtained at particularly low cost by countercurrent scrubbing and quenching of the reaction gas formed in the catalytic oxidation of propylene and/or acrolein with a high-boiling, extremely hydrophobic solvent follow
A continuous process for recovering anhydrous acrylic acid from a reaction gas which has been obtained by the catalytic oxidation of a compound selected from the group consisting of propylene, acrolein and mixtures thereof which process comprises: initially scrubbing said reaction gas which contains
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