BE510412A - - Google Patents
Info
- Publication number
- BE510412A BE510412A BE510412DA BE510412A BE 510412 A BE510412 A BE 510412A BE 510412D A BE510412D A BE 510412DA BE 510412 A BE510412 A BE 510412A
- Authority
- BE
- Belgium
- Prior art keywords
- esters
- oxidation
- acids
- toluic
- oxidized
- Prior art date
Links
- 230000003647 oxidation Effects 0.000 claims description 79
- 238000007254 oxidation reaction Methods 0.000 claims description 79
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 63
- 239000002253 acid Substances 0.000 claims description 55
- 239000000203 mixture Substances 0.000 claims description 51
- 150000002148 esters Chemical class 0.000 claims description 48
- -1 alkyl aromatic compounds Chemical class 0.000 claims description 39
- 150000007513 acids Chemical class 0.000 claims description 38
- 239000008096 xylene Substances 0.000 claims description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 21
- 239000001301 oxygen Substances 0.000 claims description 21
- 229910052760 oxygen Inorganic materials 0.000 claims description 21
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 19
- 239000000047 product Substances 0.000 claims description 19
- 238000000926 separation method Methods 0.000 claims description 17
- 239000003054 catalyst Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 15
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 14
- 150000003738 xylenes Chemical class 0.000 claims description 14
- 150000004702 methyl esters Chemical class 0.000 claims description 13
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- ZWLPBLYKEWSWPD-UHFFFAOYSA-N o-toluic acid Chemical compound CC1=CC=CC=C1C(O)=O ZWLPBLYKEWSWPD-UHFFFAOYSA-N 0.000 claims description 12
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 9
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 9
- 229930195729 fatty acid Natural products 0.000 claims description 9
- 239000000194 fatty acid Substances 0.000 claims description 9
- 150000004665 fatty acids Chemical class 0.000 claims description 9
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 8
- 229930195733 hydrocarbon Natural products 0.000 claims description 8
- 150000002430 hydrocarbons Chemical class 0.000 claims description 8
- WMZNGTSLFSJHMZ-UHFFFAOYSA-N 3-methoxycarbonylbenzoic acid Chemical compound COC(=O)C1=CC=CC(C(O)=O)=C1 WMZNGTSLFSJHMZ-UHFFFAOYSA-N 0.000 claims description 7
- 150000001491 aromatic compounds Chemical class 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000011541 reaction mixture Substances 0.000 claims description 7
- 150000001298 alcohols Chemical class 0.000 claims description 6
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical class OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000004821 distillation Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 238000004064 recycling Methods 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 150000008064 anhydrides Chemical class 0.000 claims description 4
- 125000003118 aryl group Chemical group 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229910001385 heavy metal Inorganic materials 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical class CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- KMTDMTZBNYGUNX-UHFFFAOYSA-N 4-methylbenzyl alcohol Chemical compound CC1=CC=C(CO)C=C1 KMTDMTZBNYGUNX-UHFFFAOYSA-N 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 150000002736 metal compounds Chemical class 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 150000002938 p-xylenes Chemical class 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000001953 recrystallisation Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims 2
- GPSDUZXPYCFOSQ-UHFFFAOYSA-N m-toluic acid Chemical compound CC1=CC=CC(C(O)=O)=C1 GPSDUZXPYCFOSQ-UHFFFAOYSA-N 0.000 claims 2
- 239000003929 acidic solution Substances 0.000 claims 1
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- 150000001555 benzenes Chemical class 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- 238000007265 chloromethylation reaction Methods 0.000 claims 1
- VNGOYPQMJFJDLV-UHFFFAOYSA-N dimethyl benzene-1,3-dicarboxylate Chemical compound COC(=O)C1=CC=CC(C(=O)OC)=C1 VNGOYPQMJFJDLV-UHFFFAOYSA-N 0.000 claims 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 239000000543 intermediate Substances 0.000 claims 1
- 239000013067 intermediate product Substances 0.000 claims 1
- 150000002696 manganese Chemical class 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- 150000003613 toluenes Chemical class 0.000 claims 1
- 230000001131 transforming effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 12
- 230000032050 esterification Effects 0.000 description 11
- 238000005886 esterification reaction Methods 0.000 description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 150000001868 cobalt Chemical class 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- REIDAMBAPLIATC-UHFFFAOYSA-N 4-methoxycarbonylbenzoic acid Chemical compound COC(=O)C1=CC=C(C(O)=O)C=C1 REIDAMBAPLIATC-UHFFFAOYSA-N 0.000 description 7
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 238000007127 saponification reaction Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- QSSJZLPUHJDYKF-UHFFFAOYSA-N methyl 4-methylbenzoate Chemical compound COC(=O)C1=CC=C(C)C=C1 QSSJZLPUHJDYKF-UHFFFAOYSA-N 0.000 description 5
- GWHJZXXIDMPWGX-UHFFFAOYSA-N 1,2,4-trimethylbenzene Chemical compound CC1=CC=C(C)C(C)=C1 GWHJZXXIDMPWGX-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-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
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 150000005690 diesters Chemical class 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000012263 liquid product Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 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 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- WGSMMQXDEYYZTB-UHFFFAOYSA-N 1,2,4,5-tetramethylbenzene Chemical compound CC1=CC(C)=C(C)C=C1C.CC1=CC(C)=C(C)C=C1C WGSMMQXDEYYZTB-UHFFFAOYSA-N 0.000 description 1
- WZEYZMKZKQPXSX-UHFFFAOYSA-N 1,3,5-trimethylbenzene Chemical compound CC1=CC(C)=CC(C)=C1.CC1=CC(C)=CC(C)=C1 WZEYZMKZKQPXSX-UHFFFAOYSA-N 0.000 description 1
- IERNHNWDUSBAOZ-UHFFFAOYSA-N 1-(chloromethyl)-4-methylbenzene;hydrochloride Chemical compound Cl.CC1=CC=C(CCl)C=C1 IERNHNWDUSBAOZ-UHFFFAOYSA-N 0.000 description 1
- WWRCMNKATXZARA-UHFFFAOYSA-N 1-Isopropyl-2-methylbenzene Chemical compound CC(C)C1=CC=CC=C1C WWRCMNKATXZARA-UHFFFAOYSA-N 0.000 description 1
- HYFLWBNQFMXCPA-UHFFFAOYSA-N 1-ethyl-2-methylbenzene Chemical class CCC1=CC=CC=C1C HYFLWBNQFMXCPA-UHFFFAOYSA-N 0.000 description 1
- REIDAMBAPLIATC-UHFFFAOYSA-M 4-methoxycarbonylbenzoate Chemical compound COC(=O)C1=CC=C(C([O-])=O)C=C1 REIDAMBAPLIATC-UHFFFAOYSA-M 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- FNJSWIPFHMKRAT-UHFFFAOYSA-N Monomethyl phthalate Chemical class COC(=O)C1=CC=CC=C1C(O)=O FNJSWIPFHMKRAT-UHFFFAOYSA-N 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 150000007514 bases Chemical class 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 229930007927 cymene Natural products 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001640 fractional crystallisation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- WVWZECQNFWFVFW-UHFFFAOYSA-N methyl 2-methylbenzoate Chemical compound COC(=O)C1=CC=CC=C1C WVWZECQNFWFVFW-UHFFFAOYSA-N 0.000 description 1
- CPXCDEMFNPKOEF-UHFFFAOYSA-N methyl 3-methylbenzoate Chemical compound COC(=O)C1=CC=CC(C)=C1 CPXCDEMFNPKOEF-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000002932 p-cymene derivatives Chemical class 0.000 description 1
- YTZKOQUCBOVLHL-UHFFFAOYSA-N p-methylisopropylbenzene Natural products CC(C)(C)C1=CC=CC=C1 YTZKOQUCBOVLHL-UHFFFAOYSA-N 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 150000003022 phthalic acids Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 229940116269 uric acid Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
- C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE510412A true BE510412A (d) |
Family
ID=149527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE510412D BE510412A (d) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE510412A (d) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2727921A (en) * | 1954-05-18 | 1955-12-20 | Hercules Powder Co Ltd | Hydrocarbon oxidation |
-
0
- BE BE510412D patent/BE510412A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2727921A (en) * | 1954-05-18 | 1955-12-20 | Hercules Powder Co Ltd | Hydrocarbon oxidation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101004211B1 (ko) | 조질 카복실산 슬러리의 정제 방법 | |
| US5292934A (en) | Method for preparing aromatic carboxylic acids | |
| CN1984862B (zh) | 在合成羧酸中使用压滤从母液中去除杂质的方法 | |
| CN1310866C (zh) | 对苯二甲酸的氧化提纯方法 | |
| US7132566B2 (en) | Process for the purification of a crude carboxylic acid slurry | |
| JPH0558948A (ja) | テレフタル酸の製造方法 | |
| JPH06502653A (ja) | 還元して精製テレフタル酸を調製するのに適する粗製テレフタル酸の調製方法 | |
| KR20040108594A (ko) | 카복실산의 합성시에 모액으로부터 불순물을 제거하기위한 추출 방법 | |
| WO2007092183A2 (en) | Process for the purification of a crude carboxylic acid slurry | |
| KR100552262B1 (ko) | 정제된 테레프탈산과 이소프탈산을 혼합 크실렌으로부터제조하는 방법 | |
| JP2006509045A (ja) | テレフタル酸の酸化精製方法 | |
| RU2208606C2 (ru) | Способ очистки изофталевой кислоты путем кристаллизации | |
| CN103168108B (zh) | 通过控制过滤器进料浆料中水的百分数提高对苯二甲酸清洗过滤速率 | |
| CA2337502C (en) | Method for recovering methyl acetate and residual acetic acid in the production of pure terephthalic acid | |
| RU2214391C2 (ru) | Способ получения очищенной терефталевой и изофталевой кислоты из смеси ксилолов | |
| CN103168021B (zh) | 通过控制过滤器进料浆料中水的百分数提高对苯二甲酸清洗过滤速率 | |
| BE510412A (d) | ||
| KR101946657B1 (ko) | 필터 공급 슬러리중 물의 백분율을 제어함으로써 테레프탈산 퍼지 여과 속도를 개선하는 방법 | |
| JP4032186B2 (ja) | 高純度２，６−ナフタレンジカルボン酸ジメチルの製造法 | |
| JP4729173B2 (ja) | 結晶化によるイソフタル酸の精製方法 | |
| BE573049A (d) | ||
| BE554744A (d) | ||
| MX2008000765A (es) | Proceso para la remocion de acido benzoico de una corriente de purga de oxidante |