CN101395121A - 通用的氧化副产物净化方法 - Google Patents
通用的氧化副产物净化方法 Download PDFInfo
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- CN101395121A CN101395121A CNA2007800074624A CN200780007462A CN101395121A CN 101395121 A CN101395121 A CN 101395121A CN A2007800074624 A CNA2007800074624 A CN A2007800074624A CN 200780007462 A CN200780007462 A CN 200780007462A CN 101395121 A CN101395121 A CN 101395121A
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- rich
- catalyst
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- benzoic acid
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000006227 byproduct Substances 0.000 title claims abstract description 176
- 238000000034 method Methods 0.000 title claims abstract description 115
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 114
- 230000003647 oxidation Effects 0.000 title claims abstract description 110
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid group Chemical group C(C1=CC=CC=C1)(=O)O WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims abstract description 632
- 238000000926 separation method Methods 0.000 claims abstract description 99
- 238000000746 purification Methods 0.000 claims abstract description 84
- 238000004519 manufacturing process Methods 0.000 claims abstract description 83
- 239000003054 catalyst Substances 0.000 claims description 224
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 177
- 239000007787 solid Substances 0.000 claims description 104
- 239000002904 solvent Substances 0.000 claims description 99
- 239000012452 mother liquor Substances 0.000 claims description 88
- 239000007788 liquid Substances 0.000 claims description 78
- 239000012535 impurity Substances 0.000 claims description 55
- 239000000047 product Substances 0.000 claims description 50
- 230000001186 cumulative effect Effects 0.000 claims description 43
- 239000012530 fluid Substances 0.000 claims description 41
- 230000008569 process Effects 0.000 claims description 35
- 239000002002 slurry Substances 0.000 claims description 32
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical compound CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 claims description 24
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 claims description 22
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 22
- 239000012071 phase Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- GOUHYARYYWKXHS-UHFFFAOYSA-N 4-formylbenzoic acid Chemical compound OC(=O)C1=CC=C(C=O)C=C1 GOUHYARYYWKXHS-UHFFFAOYSA-N 0.000 claims description 17
- 238000005406 washing Methods 0.000 claims description 17
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 16
- 239000007800 oxidant agent Substances 0.000 claims description 15
- 239000010941 cobalt Substances 0.000 claims description 14
- 229910017052 cobalt Inorganic materials 0.000 claims description 14
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 14
- 239000002699 waste material Substances 0.000 claims description 14
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 12
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 12
- 229910052794 bromium Inorganic materials 0.000 claims description 12
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 12
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 12
- 239000003039 volatile agent Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 239000011572 manganese Substances 0.000 claims description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- -1 polyethylene terephthalate Polymers 0.000 claims description 7
- 239000007790 solid phase Substances 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 239000012065 filter cake Substances 0.000 claims description 6
- QYQADNCHXSEGJT-UHFFFAOYSA-N cyclohexane-1,1-dicarboxylate;hydron Chemical compound OC(=O)C1(C(O)=O)CCCCC1 QYQADNCHXSEGJT-UHFFFAOYSA-N 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- GDQBOARUYXETBF-UHFFFAOYSA-N 1-oxofluorene-2,3-dicarboxylic acid Chemical compound C1=CC=C2C3=CC(C(=O)O)=C(C(O)=O)C(=O)C3=CC2=C1 GDQBOARUYXETBF-UHFFFAOYSA-N 0.000 claims description 4
- YLQWCDOCJODRMT-UHFFFAOYSA-N fluoren-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C2=C1 YLQWCDOCJODRMT-UHFFFAOYSA-N 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 229920001634 Copolyester Polymers 0.000 claims description 2
- 230000006378 damage Effects 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- FGTYTUFKXYPTML-UHFFFAOYSA-N 2-benzoylbenzoic acid Chemical compound OC(=O)C1=CC=CC=C1C(=O)C1=CC=CC=C1 FGTYTUFKXYPTML-UHFFFAOYSA-N 0.000 claims 2
- ILYSAKHOYBPSPC-UHFFFAOYSA-N 2-phenylbenzoic acid Chemical group OC(=O)C1=CC=CC=C1C1=CC=CC=C1 ILYSAKHOYBPSPC-UHFFFAOYSA-N 0.000 claims 2
- GGCUUOGRTPMFQK-UHFFFAOYSA-N dimethyl cyclohexane-1,1-dicarboxylate Chemical compound COC(=O)C1(C(=O)OC)CCCCC1 GGCUUOGRTPMFQK-UHFFFAOYSA-N 0.000 claims 2
- 238000005516 engineering process Methods 0.000 claims 2
- OJURWUUOVGOHJZ-UHFFFAOYSA-N methyl 2-[(2-acetyloxyphenyl)methyl-[2-[(2-acetyloxyphenyl)methyl-(2-methoxy-2-oxoethyl)amino]ethyl]amino]acetate Chemical compound C=1C=CC=C(OC(C)=O)C=1CN(CC(=O)OC)CCN(CC(=O)OC)CC1=CC=CC=C1OC(C)=O OJURWUUOVGOHJZ-UHFFFAOYSA-N 0.000 claims 2
- HRRDCWDFRIJIQZ-UHFFFAOYSA-N naphthalene-1,8-dicarboxylic acid Chemical compound C1=CC(C(O)=O)=C2C(C(=O)O)=CC=CC2=C1 HRRDCWDFRIJIQZ-UHFFFAOYSA-N 0.000 claims 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- QMQCSGZYUWKEHO-UHFFFAOYSA-N C(=O)O.C(=O)O.C1=CC=CC2=CC=CC=C12 Chemical compound C(=O)O.C(=O)O.C1=CC=CC2=CC=CC=C12 QMQCSGZYUWKEHO-UHFFFAOYSA-N 0.000 claims 1
- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 0.000 claims 1
- KDPAWGWELVVRCH-UHFFFAOYSA-N bromoacetic acid Chemical compound OC(=O)CBr KDPAWGWELVVRCH-UHFFFAOYSA-N 0.000 claims 1
- ULELPEYHAFTGRE-UHFFFAOYSA-N bromobenzene formic acid Chemical compound C(=O)O.BrC1=CC=CC=C1 ULELPEYHAFTGRE-UHFFFAOYSA-N 0.000 claims 1
- 150000002220 fluorenes Chemical class 0.000 claims 1
- 238000010926 purge Methods 0.000 abstract description 59
- 150000001732 carboxylic acid derivatives Chemical class 0.000 abstract description 2
- 239000005711 Benzoic acid Substances 0.000 description 284
- 235000010233 benzoic acid Nutrition 0.000 description 283
- 229960004365 benzoic acid Drugs 0.000 description 277
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 48
- 150000001875 compounds Chemical class 0.000 description 28
- 230000001590 oxidative effect Effects 0.000 description 21
- 239000002245 particle Substances 0.000 description 21
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 description 20
- 239000012429 reaction media Substances 0.000 description 18
- 229910052799 carbon Inorganic materials 0.000 description 14
- 230000029087 digestion Effects 0.000 description 14
- 239000007791 liquid phase Substances 0.000 description 13
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 9
- 229910001882 dioxygen Inorganic materials 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 8
- 125000004432 carbon atom Chemical group C* 0.000 description 7
- 125000001183 hydrocarbyl group Chemical group 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000002425 crystallisation Methods 0.000 description 6
- 230000008025 crystallization Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 238000013019 agitation Methods 0.000 description 5
- 150000001491 aromatic compounds Chemical class 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 5
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 5
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- OVPXRLUTUWRYEY-UHFFFAOYSA-N dimethyl naphthalene-1,8-dicarboxylate Chemical compound C1=CC(C(=O)OC)=C2C(C(=O)OC)=CC=CC2=C1 OVPXRLUTUWRYEY-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- LJRFPYMJMQVHQU-UHFFFAOYSA-N 1-oxofluorene-2-carboxylic acid Chemical compound C1=CC=C2C3=CC=C(C(=O)O)C(=O)C3=CC2=C1 LJRFPYMJMQVHQU-UHFFFAOYSA-N 0.000 description 3
- SGKSQSJLZBTPEL-UHFFFAOYSA-N 2-(4-carboxybenzoyl)terephthalic acid Chemical compound C1=CC(C(=O)O)=CC=C1C(=O)C1=CC(C(O)=O)=CC=C1C(O)=O SGKSQSJLZBTPEL-UHFFFAOYSA-N 0.000 description 3
- KNSIQMPBRNAYMV-UHFFFAOYSA-N 2-(4-carboxyphenyl)terephthalic acid Chemical group C1=CC(C(=O)O)=CC=C1C1=CC(C(O)=O)=CC=C1C(O)=O KNSIQMPBRNAYMV-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 150000001721 carbon Chemical group 0.000 description 3
- 150000001735 carboxylic acids Chemical class 0.000 description 3
- 238000005202 decontamination Methods 0.000 description 3
- 230000003588 decontaminative effect Effects 0.000 description 3
- 230000001627 detrimental effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 235000019253 formic acid Nutrition 0.000 description 3
- 125000005842 heteroatom Chemical group 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- XRXMNWGCKISMOH-UHFFFAOYSA-N 2-bromobenzoic acid Chemical compound OC(=O)C1=CC=CC=C1Br XRXMNWGCKISMOH-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- WBJINCZRORDGAQ-UHFFFAOYSA-N ethyl formate Chemical compound CCOC=O WBJINCZRORDGAQ-UHFFFAOYSA-N 0.000 description 2
- 239000011552 falling film Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- GPSDUZXPYCFOSQ-UHFFFAOYSA-N m-toluic acid Chemical compound CC1=CC=CC(C(O)=O)=C1 GPSDUZXPYCFOSQ-UHFFFAOYSA-N 0.000 description 2
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 150000003503 terephthalic acid derivatives Chemical class 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- DNVJGJUGFFYUPT-UHFFFAOYSA-N 9h-fluorene-9-carboxylic acid Chemical compound C1=CC=C2C(C(=O)O)C3=CC=CC=C3C2=C1 DNVJGJUGFFYUPT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- VEIOBOXBGYWJIT-UHFFFAOYSA-N cyclohexane;methanol Chemical compound OC.OC.C1CCCCC1 VEIOBOXBGYWJIT-UHFFFAOYSA-N 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008241 heterogeneous mixture Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- OVWYEQOVUDKZNU-UHFFFAOYSA-N m-tolualdehyde Chemical compound CC1=CC=CC(C=O)=C1 OVWYEQOVUDKZNU-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen(.) Chemical compound [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- FXLOVSHXALFLKQ-UHFFFAOYSA-N p-tolualdehyde Chemical compound CC1=CC=C(C=O)C=C1 FXLOVSHXALFLKQ-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (57)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510642492.9A CN105237385A (zh) | 2006-03-01 | 2007-02-27 | 通用的氧化副产物净化方法 |
Applications Claiming Priority (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77813906P | 2006-03-01 | 2006-03-01 | |
US60/777,922 | 2006-03-01 | ||
US60/777,829 | 2006-03-01 | ||
US60/777,907 | 2006-03-01 | ||
US60/777,903 | 2006-03-01 | ||
US60/777,905 | 2006-03-01 | ||
US60/778,117 | 2006-03-01 | ||
US60/778,139 | 2006-03-01 | ||
US60/778,123 | 2006-03-01 | ||
US60/778,120 | 2006-03-01 | ||
US11/655,395 | 2007-01-19 |
Related Child Applications (1)
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CN201510642492.9A Division CN105237385A (zh) | 2006-03-01 | 2007-02-27 | 通用的氧化副产物净化方法 |
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CN101395121A true CN101395121A (zh) | 2009-03-25 |
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CNA2007800074624A Pending CN101395121A (zh) | 2006-03-01 | 2007-02-27 | 通用的氧化副产物净化方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106029621A (zh) * | 2014-02-20 | 2016-10-12 | 信实工业公司 | 将烷基芳香烃化合物氧化为芳香族羧酸的工艺 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2964559A (en) * | 1957-11-12 | 1960-12-13 | Standard Oil Co | Process for recovery of oxidation catalysts |
CN1359313A (zh) * | 1999-08-17 | 2002-07-17 | 流动程序技术公司 | 芳香族羧酸制造中氧化催化剂的回收方法 |
US20040245176A1 (en) * | 2003-06-05 | 2004-12-09 | Parker Kenny Randolph | Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration |
-
2007
- 2007-02-27 CN CNA2007800074624A patent/CN101395121A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2964559A (en) * | 1957-11-12 | 1960-12-13 | Standard Oil Co | Process for recovery of oxidation catalysts |
CN1359313A (zh) * | 1999-08-17 | 2002-07-17 | 流动程序技术公司 | 芳香族羧酸制造中氧化催化剂的回收方法 |
US20040245176A1 (en) * | 2003-06-05 | 2004-12-09 | Parker Kenny Randolph | Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106029621A (zh) * | 2014-02-20 | 2016-10-12 | 信实工业公司 | 将烷基芳香烃化合物氧化为芳香族羧酸的工艺 |
TWI640504B (zh) * | 2014-02-20 | 2018-11-11 | 印度商瑞來斯實業公司 | 將烷基芳族化合物氧化成芳族羧酸之方法 |
CN106029621B (zh) * | 2014-02-20 | 2019-03-26 | 信实工业公司 | 将烷基芳香烃化合物氧化为芳香族羧酸的工艺 |
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Owner name: PEMEX GROUP LLC Free format text: FORMER OWNER: EASTMAN CHEM CO. Effective date: 20110907 |
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Effective date of registration: 20110907 Address after: Nuevo Leon, Mexico Applicant after: Grupo Petrotemex Sa De Cv Address before: Tennessee Applicant before: Eastman Chem Co. |
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Address after: Nuevo Leon, Mexico Applicant after: Eastman Chemical Company Address before: Nuevo Leon, Mexico Applicant before: Grupo Petrotemex Sa De Cv |
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Free format text: CORRECT: APPLICANT; FROM: MEXICO PETROLEUM GROUP CO., LTD. TO: KEYPAT PETROCHEMICAL CO., LTD. |
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Assignee: Jiaxing Petrochemical Co., Ltd. Assignor: Eastman Chemical Company Contract record no.: 2012990000015 Denomination of invention: Versatile oxidation byproduct purge process License type: Common License Open date: 20090325 Record date: 20120113 |
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Application publication date: 20090325 |