发明名称 |
processo para a produção de ácido tereftálico puro |
摘要 |
The present invention relates to a process for production of pure terephthalic acid comprising: a) removing a mother liquor from a terephthalic acid through a filter with a gas, wherein the gas comprises steam at a concentration of least about 50% by volume; b) purifying the gas; and c) recycling the gas purified in step (b) back to step (a). |
申请公布号 |
BRPI0914382(A2) |
申请公布日期 |
2015.10.20 |
申请号 |
BR2009PI14382 |
申请日期 |
2009.10.30 |
申请人 |
INVISTA TECHNOLOGIES S.A R.L. |
发明人 |
ALAN MACPEHERSON URE;ANTHONY PETER JOHN LIMBACH;CHRISTOPHER HOWARD JACKSON;FINBAR GERALD MCDONNELL |
分类号 |
C07C51/265;C07C51/47;C07C63/26 |
主分类号 |
C07C51/265 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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