BE546245A - - Google Patents
Info
- Publication number
- BE546245A BE546245A BE546245DA BE546245A BE 546245 A BE546245 A BE 546245A BE 546245D A BE546245D A BE 546245DA BE 546245 A BE546245 A BE 546245A
- Authority
- BE
- Belgium
- Prior art keywords
- acid
- parts
- solid
- acids
- phthalic
- Prior art date
Links
- 239000002253 acid Substances 0.000 claims description 40
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 20
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 18
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 16
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 9
- 239000005711 Benzoic acid Substances 0.000 claims description 7
- 235000010233 benzoic acid Nutrition 0.000 claims description 7
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 6
- 238000005194 fractionation Methods 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 2
- 238000005191 phase separation Methods 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 54
- 239000007787 solid Substances 0.000 description 16
- 238000001914 filtration Methods 0.000 description 14
- 239000000706 filtrate Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- 150000007513 acids Chemical class 0.000 description 12
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 10
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 239000012265 solid product Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 239000008096 xylene Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- -1 aromatic carboxylic acids Chemical class 0.000 description 3
- 150000001735 carboxylic acids Chemical class 0.000 description 3
- 239000003610 charcoal Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 150000003022 phthalic acids Chemical class 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 150000003738 xylenes Chemical class 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 2
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000011973 solid acid Substances 0.000 description 2
- 238000005292 vacuum distillation Methods 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 206010010071 Coma Diseases 0.000 description 1
- 240000006890 Erythroxylum coca Species 0.000 description 1
- 101100091494 Mus musculus Rorc gene Proteins 0.000 description 1
- 101100482995 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) gsl-3 gene Proteins 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- WDJHALXBUFZDSR-UHFFFAOYSA-N acetoacetic acid Chemical compound CC(=O)CC(O)=O WDJHALXBUFZDSR-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003729 cation exchange resin Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 235000008957 cocaer Nutrition 0.000 description 1
- ZPUCINDJVBIVPJ-LJISPDSOSA-N cocaine Chemical compound O([C@H]1C[C@@H]2CC[C@@H](N2C)[C@H]1C(=O)OC)C(=O)C1=CC=CC=C1 ZPUCINDJVBIVPJ-LJISPDSOSA-N 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- RJYMRRJVDRJMJW-UHFFFAOYSA-L dibromomanganese Chemical compound Br[Mn]Br RJYMRRJVDRJMJW-UHFFFAOYSA-L 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 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
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
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 |
|---|---|
| BE546245A true BE546245A (enrdf_load_stackoverflow) |
Family
ID=173615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE546245D BE546245A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE546245A (enrdf_load_stackoverflow) |
-
0
- BE BE546245D patent/BE546245A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2473903A1 (fr) | Procede de recuperation de catalyseurs | |
| EA024181B1 (ru) | Экстракция молочной кислоты | |
| CA2222365C (fr) | Procede de traitement de melanges reactionnels issus de l'oxydation du cyclohexane | |
| EP1060157B1 (fr) | Procede de separation et de purification de l'acide adipique | |
| EP1214286A1 (en) | Purification and recovery of dicarboxylic acids using melt crystallization | |
| JP2515765B2 (ja) | ビスフエノ−ルＡのｏ，ｐ▲’▼−異性体の分離方法 | |
| CA2343012A1 (fr) | Procede de cristallisation d'acide carboxylique | |
| BE546245A (enrdf_load_stackoverflow) | ||
| FR2669636A1 (fr) | Procede de fabrication de furane 2,5-dicarboxaldehyde. | |
| JP2022548512A (ja) | ４，４’－ジクロロジフェニルスルホンを得る方法 | |
| CN115806481B (zh) | L-薄荷基甲酸的分离提纯方法 | |
| EP0121466B1 (fr) | Procédé de décomposition d'un complexe d'acide orthobenzoyl-benzoique, de fluorure d'hydrogène et de trifluorure de bore | |
| CN107445813A (zh) | 蒜头果油制备环十五酮的方法 | |
| JPH10218798A (ja) | 有機溶剤の精製法 | |
| TWI828930B (zh) | 蘋果酸的製造 | |
| CN1279234A (zh) | 3.5－二甲基苯甲酸提纯方法 | |
| WO2021037672A1 (en) | A process for producing 4,4'-dichlorodiphenyl sulfone | |
| CN110872540B (zh) | 一种不饱和脂肪酸的提取方法 | |
| JP3461378B2 (ja) | エイコサペンタエン酸又はそのエステルの精製方法 | |
| US1698932A (en) | Purification of phenyl ethyl alcohol | |
| WO1998023559A1 (fr) | Procede de dedoublement de composes 1-amino-alcan-2-ol | |
| FR2475536A2 (fr) | Procede de preparation de l'acide di-n-propylacetique et de ses sels de metaux alcalins | |
| JPH0512335B2 (enrdf_load_stackoverflow) | ||
| FR2760016A1 (fr) | Procede de fabrication industrielle de diosmine a partir de l'hesperidine | |
| CN114230611A (zh) | 2-氯-2-氧-1,3,2-二氧磷杂环戊烷的提纯方法 |