CA2979681A1 - Bubble column reactor based digester and method for its use - Google Patents
Bubble column reactor based digester and method for its useInfo
- Publication number
- CA2979681A1 CA2979681A1 CA2979681A CA2979681A CA2979681A1 CA 2979681 A1 CA2979681 A1 CA 2979681A1 CA 2979681 A CA2979681 A CA 2979681A CA 2979681 A CA2979681 A CA 2979681A CA 2979681 A1 CA2979681 A1 CA 2979681A1
- Authority
- CA
- Canada
- Prior art keywords
- slurry
- zone
- digestion
- gas
- oxidation
- Prior art date
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 80
- 239000002002 slurry Substances 0.000 claims abstract description 300
- 230000029087 digestion Effects 0.000 claims abstract description 212
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 160
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims abstract description 150
- 230000003647 oxidation Effects 0.000 claims abstract description 144
- 239000002245 particle Substances 0.000 claims abstract description 118
- 239000001301 oxygen Substances 0.000 claims abstract description 49
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 49
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000007789 gas Substances 0.000 claims description 134
- GOUHYARYYWKXHS-UHFFFAOYSA-N 4-formylbenzoic acid Chemical compound OC(=O)C1=CC=C(C=O)C=C1 GOUHYARYYWKXHS-UHFFFAOYSA-N 0.000 claims description 100
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 79
- 229910001882 dioxygen Inorganic materials 0.000 claims description 79
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 claims description 78
- 239000007787 solid Substances 0.000 claims description 70
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 63
- 238000002156 mixing Methods 0.000 claims description 52
- 239000002904 solvent Substances 0.000 claims description 40
- 230000001590 oxidative effect Effects 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 23
- 238000013019 agitation Methods 0.000 claims description 22
- 239000003054 catalyst Substances 0.000 claims description 21
- 230000000630 rising effect Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 13
- 238000000746 purification Methods 0.000 claims description 9
- 239000013078 crystal Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 239000000376 reactant Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 229910001385 heavy metal Inorganic materials 0.000 claims description 3
- 150000002736 metal compounds Chemical class 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 35
- 238000006243 chemical reaction Methods 0.000 abstract description 28
- 239000000543 intermediate Substances 0.000 abstract description 27
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 abstract description 26
- 230000036961 partial effect Effects 0.000 abstract description 12
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 239000000356 contaminant Substances 0.000 abstract 1
- 239000007800 oxidant agent Substances 0.000 description 91
- 239000007791 liquid phase Substances 0.000 description 72
- 239000003570 air Substances 0.000 description 57
- 239000012429 reaction media Substances 0.000 description 40
- 238000013461 design Methods 0.000 description 22
- 239000000047 product Substances 0.000 description 22
- 239000012535 impurity Substances 0.000 description 21
- 230000002829 reductive effect Effects 0.000 description 20
- 238000009826 distribution Methods 0.000 description 19
- 238000004062 sedimentation Methods 0.000 description 18
- 150000001875 compounds Chemical class 0.000 description 17
- 239000012071 phase Substances 0.000 description 17
- 239000007790 solid phase Substances 0.000 description 17
- 238000012546 transfer Methods 0.000 description 15
- 239000000203 mixture Substances 0.000 description 14
- 125000003118 aryl group Chemical group 0.000 description 13
- 229910017052 cobalt Inorganic materials 0.000 description 11
- 239000010941 cobalt Substances 0.000 description 11
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 9
- 238000005273 aeration Methods 0.000 description 9
- 239000012080 ambient air Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 9
- 229910001868 water Inorganic materials 0.000 description 9
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 8
- 229910052794 bromium Inorganic materials 0.000 description 8
- 229910002090 carbon oxide Inorganic materials 0.000 description 8
- 238000004090 dissolution Methods 0.000 description 8
- 239000011572 manganese Substances 0.000 description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 description 8
- 239000005020 polyethylene terephthalate Substances 0.000 description 8
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 229910052748 manganese Inorganic materials 0.000 description 7
- 230000009467 reduction Effects 0.000 description 7
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 238000005984 hydrogenation reaction Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- -1 polyethylene terephthalate Polymers 0.000 description 5
- 102100024025 Heparanase Human genes 0.000 description 4
- 101001047819 Homo sapiens Heparanase Proteins 0.000 description 4
- 102100024022 Inactive heparanase-2 Human genes 0.000 description 4
- 101710133360 Inactive heparanase-2 Proteins 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000003993 interaction Effects 0.000 description 4
- 239000012452 mother liquor Substances 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- 239000005711 Benzoic acid Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 235000010233 benzoic acid Nutrition 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000001976 improved effect Effects 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- FXLOVSHXALFLKQ-UHFFFAOYSA-N p-tolualdehyde Chemical compound CC1=CC=C(C=O)C=C1 FXLOVSHXALFLKQ-UHFFFAOYSA-N 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000001431 2-methylbenzaldehyde Substances 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000001016 Ostwald ripening Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 150000001491 aromatic compounds Chemical class 0.000 description 2
- GZUXJHMPEANEGY-UHFFFAOYSA-N bromomethane Chemical compound BrC GZUXJHMPEANEGY-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000005315 distribution function Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000016507 interphase Effects 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010907 mechanical stirring Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000012066 reaction slurry Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 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 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- CQQSQBRPAJSTFB-UHFFFAOYSA-N 4-(bromomethyl)benzoic acid Chemical compound OC(=O)C1=CC=C(CBr)C=C1 CQQSQBRPAJSTFB-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000007806 chemical reaction intermediate Substances 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 208000012839 conversion disease Diseases 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000008376 fluorenones Chemical class 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000030400 head development Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 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 1
- 239000013028 medium composition Substances 0.000 description 1
- 229940102396 methyl bromide Drugs 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J10/00—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor
- B01J10/002—Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles, or apparatus specially adapted therefor carried out in foam, aerosol or bubbles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/006—Baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/242—Tubular reactors in series
-
- 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
-
- 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
-
- 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
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- 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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
- C07C63/14—Monocyclic dicarboxylic acids
- C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
- C07C63/26—1,4 - Benzenedicarboxylic acid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00761—Details of the reactor
- B01J2219/00763—Baffles
- B01J2219/00765—Baffles attached to the reactor wall
- B01J2219/00777—Baffles attached to the reactor wall horizontal
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/657,523 US20160264511A1 (en) | 2015-03-13 | 2015-03-13 | Bubble column reactor based digester and method for its use |
| US14/657,523 | 2015-03-13 | ||
| PCT/US2016/021912 WO2016149060A1 (en) | 2015-03-13 | 2016-03-11 | Bubble column reactor based digester andmethod for its use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2979681A1 true CA2979681A1 (en) | 2016-09-22 |
Family
ID=56887404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2979681A Pending CA2979681A1 (en) | 2015-03-13 | 2016-03-11 | Bubble column reactor based digester and method for its use |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US20160264511A1 (enExample) |
| EP (1) | EP3268341B1 (enExample) |
| JP (1) | JP6882182B2 (enExample) |
| KR (1) | KR102727963B1 (enExample) |
| CN (1) | CN107531602B (enExample) |
| BR (1) | BR112017019452B1 (enExample) |
| CA (1) | CA2979681A1 (enExample) |
| EA (1) | EA034735B1 (enExample) |
| ES (1) | ES2880688T3 (enExample) |
| LT (1) | LT3268341T (enExample) |
| MX (1) | MX2017011729A (enExample) |
| MY (1) | MY188141A (enExample) |
| PL (1) | PL3268341T3 (enExample) |
| PT (1) | PT3268341T (enExample) |
| SG (2) | SG10201908521RA (enExample) |
| WO (1) | WO2016149060A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11203769B1 (en) * | 2017-02-13 | 2021-12-21 | Solugen, Inc. | Hydrogen peroxide and gluconic acid production |
| US10000435B1 (en) * | 2017-02-28 | 2018-06-19 | Grupo Petrotemex, S.A. De C.V. | Energy and environmentally integrated method for production of aromatic dicarboxylic acids by oxidation |
| CN119056494B (zh) * | 2023-05-31 | 2025-11-14 | 中国石油化工股份有限公司 | 一种加氢催化剂及其制备方法和应用 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5200557A (en) * | 1991-04-12 | 1993-04-06 | Amoco Corporation | Process for preparation of crude terephthalic acid suitable for reduction to prepare purified terephthalic acid |
| DE19843573A1 (de) * | 1998-09-23 | 2000-03-30 | Degussa | Blasensäule und deren Verwendung |
| US7196215B2 (en) * | 2001-06-04 | 2007-03-27 | Eastman Chemical Company | Process for the production of purified terephthalic acid |
| US7683210B2 (en) * | 2004-09-02 | 2010-03-23 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7608732B2 (en) * | 2005-03-08 | 2009-10-27 | Eastman Chemical Company | Optimized liquid-phase oxidation |
| US7355068B2 (en) * | 2006-01-04 | 2008-04-08 | Eastman Chemical Company | Oxidation system with internal secondary reactor |
| US7816556B2 (en) * | 2006-03-01 | 2010-10-19 | Eastman Chemical Company | Polycarboxylic acid production system employing enhanced multistage oxidative digestion |
| US7326808B2 (en) * | 2006-03-01 | 2008-02-05 | Eastman Chemical Company | Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system |
| US7393973B2 (en) * | 2006-03-01 | 2008-07-01 | Eastman Chemical Company | Polycarboxylic acid production system with enhanced residence time distribution for oxidative digestion |
| CN101531588B (zh) * | 2008-03-13 | 2016-02-24 | 周向进 | 一种新的精对苯二甲酸的制造方法 |
| CN202700501U (zh) | 2012-05-15 | 2013-01-30 | 中国昆仑工程公司 | 适于kpta生产的无搅拌氧化和深度氧化反应系统 |
| CN102731297B (zh) * | 2012-07-11 | 2014-06-04 | 浙江大学 | 一种逐级升温氧化制备中纯度对苯二甲酸的方法 |
-
2015
- 2015-03-13 US US14/657,523 patent/US20160264511A1/en not_active Abandoned
-
2016
- 2016-03-11 CA CA2979681A patent/CA2979681A1/en active Pending
- 2016-03-11 SG SG10201908521R patent/SG10201908521RA/en unknown
- 2016-03-11 EP EP16765474.8A patent/EP3268341B1/en active Active
- 2016-03-11 JP JP2017548128A patent/JP6882182B2/ja active Active
- 2016-03-11 BR BR112017019452-0A patent/BR112017019452B1/pt active IP Right Grant
- 2016-03-11 MX MX2017011729A patent/MX2017011729A/es unknown
- 2016-03-11 LT LTEP16765474.8T patent/LT3268341T/lt unknown
- 2016-03-11 PT PT167654748T patent/PT3268341T/pt unknown
- 2016-03-11 PL PL16765474T patent/PL3268341T3/pl unknown
- 2016-03-11 CN CN201680027722.3A patent/CN107531602B/zh active Active
- 2016-03-11 KR KR1020177029210A patent/KR102727963B1/ko active Active
- 2016-03-11 EA EA201792031A patent/EA034735B1/ru not_active IP Right Cessation
- 2016-03-11 WO PCT/US2016/021912 patent/WO2016149060A1/en not_active Ceased
- 2016-03-11 ES ES16765474T patent/ES2880688T3/es active Active
- 2016-03-11 MY MYPI2017001308A patent/MY188141A/en unknown
- 2016-03-11 SG SG11201707399XA patent/SG11201707399XA/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN107531602A (zh) | 2018-01-02 |
| JP2018513125A (ja) | 2018-05-24 |
| KR102727963B1 (ko) | 2024-11-07 |
| BR112017019452B1 (pt) | 2020-11-17 |
| EP3268341A1 (en) | 2018-01-17 |
| CN107531602B (zh) | 2021-02-12 |
| EA201792031A1 (ru) | 2018-02-28 |
| EP3268341A4 (en) | 2018-10-31 |
| US20160264511A1 (en) | 2016-09-15 |
| WO2016149060A1 (en) | 2016-09-22 |
| BR112017019452A2 (pt) | 2018-05-15 |
| SG11201707399XA (en) | 2017-10-30 |
| JP6882182B2 (ja) | 2021-06-02 |
| LT3268341T (lt) | 2021-07-26 |
| EP3268341B1 (en) | 2021-04-21 |
| MY188141A (en) | 2021-11-23 |
| PL3268341T3 (pl) | 2021-11-02 |
| ES2880688T3 (es) | 2021-11-25 |
| SG10201908521RA (en) | 2019-11-28 |
| KR20170128462A (ko) | 2017-11-22 |
| PT3268341T (pt) | 2021-06-30 |
| EA034735B1 (ru) | 2020-03-13 |
| MX2017011729A (es) | 2017-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BRPI0514789B1 (pt) | processo de oxidação em fase líquida, e, reator de coluna de bolhas | |
| BRPI0708434A2 (pt) | processos para preparar uma composição de ácido policarboxìlico e para preparar uma composição de ácido tereftálico | |
| EP3268341B1 (en) | Bubble column reactor based digester and method for its use | |
| BRPI0708428A2 (pt) | processo para produzir uma composição de ácido policarboxìlico, e, reator de digestão hìibrido | |
| CA2787899C (en) | Oxidation system with sidedraw secondary reactor | |
| JP2018513125A5 (enExample) | ||
| CA2787901C (en) | Oxidation system with sidedraw secondary reactor | |
| JP6538528B2 (ja) | 側方取り出し式の第２の反応器を備える酸化システム |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20210308 |
|
| EEER | Examination request |
Effective date: 20210308 |
|
| EEER | Examination request |
Effective date: 20210308 |
|
| EEER | Examination request |
Effective date: 20210308 |
|
| EEER | Examination request |
Effective date: 20210308 |
|
| EEER | Examination request |
Effective date: 20210308 |
|
| EEER | Examination request |
Effective date: 20210308 |
|
| EEER | Examination request |
Effective date: 20210308 |