KR20190099301A - 정제된 테레프탈산 (pta) 배출 스팀 사용 - Google Patents
정제된 테레프탈산 (pta) 배출 스팀 사용 Download PDFInfo
- Publication number
- KR20190099301A KR20190099301A KR1020197021914A KR20197021914A KR20190099301A KR 20190099301 A KR20190099301 A KR 20190099301A KR 1020197021914 A KR1020197021914 A KR 1020197021914A KR 20197021914 A KR20197021914 A KR 20197021914A KR 20190099301 A KR20190099301 A KR 20190099301A
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- South Korea
- Prior art keywords
- carboxylic acid
- stream
- aromatic carboxylic
- zone
- catalytic 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.)
- Ceased
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- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title claims description 36
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000007789 gas Substances 0.000 claims abstract description 68
- 239000001257 hydrogen Substances 0.000 claims abstract description 34
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 34
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000011282 treatment Methods 0.000 claims abstract description 26
- 238000002425 crystallisation Methods 0.000 claims abstract description 25
- 230000008025 crystallization Effects 0.000 claims abstract description 25
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
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- 150000001491 aromatic compounds Chemical class 0.000 claims abstract description 17
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- 239000007787 solid Substances 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
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- 230000003647 oxidation Effects 0.000 claims description 95
- 230000003197 catalytic effect Effects 0.000 claims description 61
- 238000000034 method Methods 0.000 claims description 49
- GZUXJHMPEANEGY-UHFFFAOYSA-N bromomethane Chemical compound BrC GZUXJHMPEANEGY-UHFFFAOYSA-N 0.000 claims description 20
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 16
- 229940102396 methyl bromide Drugs 0.000 claims description 10
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 7
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 7
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- 238000007599 discharging Methods 0.000 claims 1
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- YGYNBBAUIYTWBF-UHFFFAOYSA-N 2,6-dimethylnaphthalene Chemical compound C1=C(C)C=CC2=CC(C)=CC=C21 YGYNBBAUIYTWBF-UHFFFAOYSA-N 0.000 description 2
- GOUHYARYYWKXHS-UHFFFAOYSA-N 4-formylbenzoic acid Chemical compound OC(=O)C1=CC=C(C=O)C=C1 GOUHYARYYWKXHS-UHFFFAOYSA-N 0.000 description 2
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- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
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- 150000004996 alkyl benzenes Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- QMKYBPDZANOJGF-UHFFFAOYSA-N benzene-1,3,5-tricarboxylic acid Chemical compound OC(=O)C1=CC(C(O)=O)=CC(C(O)=O)=C1 QMKYBPDZANOJGF-UHFFFAOYSA-N 0.000 description 2
- 150000001555 benzenes Chemical class 0.000 description 2
- 235000010233 benzoic acid Nutrition 0.000 description 2
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- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
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- 229910000042 hydrogen bromide Inorganic materials 0.000 description 2
- WVDDGKGOMKODPV-UHFFFAOYSA-N hydroxymethyl benzene Natural products OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 2
- 230000010354 integration 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
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 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
- KRIOVPPHQSLHCZ-UHFFFAOYSA-N propiophenone Chemical compound CCC(=O)C1=CC=CC=C1 KRIOVPPHQSLHCZ-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000013589 supplement Substances 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
- 239000012808 vapor phase Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- GISVICWQYMUPJF-UHFFFAOYSA-N 2,4-Dimethylbenzaldehyde Chemical compound CC1=CC=C(C=O)C(C)=C1 GISVICWQYMUPJF-UHFFFAOYSA-N 0.000 description 1
- CJJFFBINNGWEBO-UHFFFAOYSA-N 2,6-diethylnaphthalene Chemical compound C1=C(CC)C=CC2=CC(CC)=CC=C21 CJJFFBINNGWEBO-UHFFFAOYSA-N 0.000 description 1
- WYMDQXZJSAYJIC-UHFFFAOYSA-N 2,7-diethylnaphthalene Chemical compound C1=CC(CC)=CC2=CC(CC)=CC=C21 WYMDQXZJSAYJIC-UHFFFAOYSA-N 0.000 description 1
- LRQYSMQNJLZKPS-UHFFFAOYSA-N 2,7-dimethylnaphthalene Chemical compound C1=CC(C)=CC2=CC(C)=CC=C21 LRQYSMQNJLZKPS-UHFFFAOYSA-N 0.000 description 1
- ZOYUJOHRFWIQTH-UHFFFAOYSA-N 2-ethyl-6-methylnaphthalene Chemical compound C1=C(C)C=CC2=CC(CC)=CC=C21 ZOYUJOHRFWIQTH-UHFFFAOYSA-N 0.000 description 1
- KMTDMTZBNYGUNX-UHFFFAOYSA-N 4-methylbenzyl alcohol Chemical compound CC1=CC=C(CO)C=C1 KMTDMTZBNYGUNX-UHFFFAOYSA-N 0.000 description 1
- WWIKFXPBGKBXLZ-UHFFFAOYSA-N 6-methylnaphthalene-2-carbaldehyde Chemical compound C1=C(C=O)C=CC2=CC(C)=CC=C21 WWIKFXPBGKBXLZ-UHFFFAOYSA-N 0.000 description 1
- RWQUWTMOHXGTNN-UHFFFAOYSA-N 9-n,10-n-bis(4-butylphenyl)-9-n,10-n-bis(4-methylphenyl)phenanthrene-9,10-diamine Chemical compound C1=CC(CCCC)=CC=C1N(C=1C2=CC=CC=C2C2=CC=CC=C2C=1N(C=1C=CC(C)=CC=1)C=1C=CC(CCCC)=CC=1)C1=CC=C(C)C=C1 RWQUWTMOHXGTNN-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
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- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
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- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 1
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- 239000005022 packaging material Substances 0.000 description 1
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- 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
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
- B01D3/343—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
- B01D53/70—Organic halogen compounds
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- B01D53/34—Chemical or biological purification of waste gases
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
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- 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
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- 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
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- 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
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- 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
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- C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/36—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by hydrogenation of carbon-to-carbon unsaturated bonds
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- 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
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Abstract
Description
Claims (17)
- 정제된 방향족 카르복실산을 제조하기 위한 방법으로서,
미가공 (crude) 방향족 카르복실산 및 기체 스트림을 형성하도록 반응 구역에서 치환된 방향족 화합물을 산화시키는 단계,
예비 가열 구역에서 상기 미가공 방향족 카르복실산을 가열하는 단계,
정제된 방향족 카르복실산을 형성하도록 수소화 반응기에서 촉매의 존재하에서 상기 미가공 방향족 카르복실산을 수소와 접촉시키는 단계,
스팀과 수소를 포함하는 증기 스트림 및 고체 정제된 방향족 카르복실산을 포함하는 슬러리 스트림을 형성하도록 결정화 구역에서 상기 정제된 방향족 카르복실산을 결정화시키는 단계,
슬러리로부터 정제된 카르복실산 생성물을 회수하는 단계,
상기 미가공 방향족 카르복실산을 가열하도록 상기 증기 스트림의 적어도 일부를 상기 예비 가열 구역으로 지향시키는 단계,
상기 예비 가열 구역에서부터 오프-기체 처리 구역으로 상기 증기 스트림의 적어도 일부를 배출하는 단계로서, 상기 오프-기체 처리 구역은 상기 치환된 방향족 화합물의 산화에 의해 형성된 상기 기체 스트림의 적어도 일부를 처리하도록 구성되는, 상기 배출하는 단계, 및
상기 오프-기체 처리 구역에서 상기 증기 스트림으로부터 에너지를 회수하는 단계를 포함하는, 정제된 방향족 카르복실산을 제조하기 위한 방법. - 제 1 항에 있어서,
상기 오프-기체 처리 구역은 적어도 하나의 열교환기, 촉매 산화 유닛 및 팽창기를 포함하는, 정제된 방향족 카르복실산을 제조하기 위한 방법. - 제 2 항에 있어서,
상기 증기 스트림의 적어도 일부는 적어도 하나의 열교환기의 상류측에서 배출되는, 정제된 방향족 카르복실산을 제조하기 위한 방법. - 제 1 항에 있어서,
증류된 기체 스트림을 형성하도록 증류 컬럼에서 상기 기체 스트림을 증류시키는 단계를 더 포함하는, 정제된 방향족 카르복실산을 제조하기 위한 방법. - 제 4 항에 있어서,
상기 증기 스트림의 적어도 일부는 상기 증류된 기체 스트림을 가열하도록 촉매 산화 유닛으로 유도되는 스트림으로 배출되는, 정제된 방향족 카르복실산을 제조하기 위한 방법. - 제 4 항에 있어서,
메틸 브롬화물을 포함하는 상기 증류된 기체 스트림을 촉매 산화 유닛으로 지향시키는 단계,
상기 촉매 산화 유닛에서 상기 증기 스트림내의 수소를 연소시키는 단계,
브롬을 형성하도록 상기 촉매 산화 유닛에서 메틸 브롬화물을 산화시키는 단계,
제 1 촉매 산화 유출물 및 제 2 촉매 산화 유출물을 형성하는 단계, 및
상기 제 1 촉매 산화 유출물을 팽창기로 지향시키는 단계를 더 포함하고,
상기 팽창기는 상기 제 1 촉매 산화 유출물로부터 에너지를 회수하는, 정제된 방향족 카르복실산을 제조하기 위한 방법. - 제 6 항에 있어서,
상기 제 2 촉매 산화 유출물을 스크러버로 지향시키는 단계, 및
상기 스크러버로 상기 제 2 촉매 산화 유출물로부터 브롬을 제거하는 단계를 더 포함하는, 정제된 방향족 카르복실산을 제조하기 위한 방법. - 제 6 항에 있어서,
상기 팽창기에 진입하는 상기 제 1 촉매 산화 유출물의 온도는 150 ℃ 이상인, 정제된 방향족 카르복실산을 제조하기 위한 방법. - 제 1 항에 있어서,
상기 예비 가열 구역은 열교환기를 포함하고, 상기 증기 스트림은 상기 열교환기의 쉘측에 진입하는, 정제된 방향족 카르복실산을 제조하기 위한 방법. - 제 1 항에 있어서,
상기 정제된 방향족 카르복실산은 테레프탈산을 포함하는, 정제된 방향족 카르복실산을 제조하기 위한 방법. - 정제된 방향족 카르복실산을 제조하기 위한 장치로서,
미가공 카르복실산 및 기체 스트림을 형성하도록 치환된 방향족 화합물을 산화시키도록 구성된 반응 구역,
상기 미가공 카르복실산을 가열하도록 구성된 예비 가열 구역,
정제된 방향족 카르복실산을 형성하도록 촉매의 존재하에서 상기 미가공 방향족 카르복실산을 수소와 접촉시키도록 구성된 수소화 반응기,
스팀과 수소를 포함하는 증기 스트림 및 고체 정제된 방향족 카르복실산을 포함하는 슬러리 스트림을 형성하도록 상기 정제된 방향족 카르복실산을 결정화시키도록 구성된 결정화 구역,
슬러리로부터 정제된 카르복실산 생성물을 회수하도록 구성된 회수 구역, 및
상기 치환된 방향족 화합물의 산화에 의해 형성된 상기 기체 스트림의 적어도 일부를 처리하도록 구성된 오프-기체 처리 구역을 포함하고,
상기 증기 스트림의 적어도 일부는 상기 미가공 방향족 카르복실산을 가열하도록 상기 예비 가열 구역으로 지향되며, 상기 예비 가열 구역으로부터 상기 증기 스트림의 적어도 일부는 상기 오프-기체 처리 구역으로 배출되고, 상기 증기 스트림으로부터의 에너지는 상기 오프-기체 처리 구역에서 회수되는, 정제된 방향족 카르복실산을 제조하기 위한 장치. - 제 11 항에 있어서,
상기 오프-기체 처리 구역은 적어도 하나의 열교환기, 촉매 산화 유닛 및 팽창기를 포함하는, 정제된 방향족 카르복실산을 제조하기 위한 장치. - 제 11 항에 있어서,
증류된 기체 스트림을 형성하도록 기체 스트림을 증류시키도록 구성된 증류 칼럼을 더 포함하는, 정제된 방향족 카르복실산을 제조하기 위한 장치. - 제 13 항에 있어서,
촉매 산화 유닛은 촉매 산화 유출물을 형성하도록 상기 증류된 기체 스트림을 산화시키도록 구성되는, 정제된 방향족 카르복실산을 제조하기 위한 장치. - 제 14 항에 있어서,
팽창기는 상기 촉매 산화 유출물로부터 에너지를 회수하도록 구성되는, 정제된 방향족 카르복실산을 제조하기 위한 장치. - 제 11 항에 있어서,
상기 예비 가열 구역은 열교환기를 포함하고, 상기 증기 스트림은 상기 열교환기의 쉘측에 진입하는, 정제된 방향족 카르복실산을 제조하기 위한 장치. - 제 11 항에 있어서,
상기 정제된 방향족 카르복실산은 테레프탈산을 포함하는, 정제된 방향족 카르복실산을 제조하기 위한 장치.
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| Application Number | Priority Date | Filing Date | Title |
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| US201662440217P | 2016-12-29 | 2016-12-29 | |
| US62/440,217 | 2016-12-29 | ||
| PCT/US2017/063411 WO2018125459A1 (en) | 2016-12-29 | 2017-11-28 | Purified terephthalic acid (pta) vent steam utilization |
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| US (1) | US10414712B2 (ko) |
| EP (1) | EP3562804B1 (ko) |
| KR (1) | KR20190099301A (ko) |
| CN (1) | CN110139849A (ko) |
| TW (1) | TW201823194A (ko) |
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| WO2021087352A1 (en) * | 2019-10-31 | 2021-05-06 | Bp Corporation North America Inc. | Solid-liquid separation processes |
| CN112539637B (zh) * | 2020-12-11 | 2022-06-21 | 江苏长能节能新材料科技有限公司 | 连续干燥六羟甲基三聚氰胺的方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US2741369A (en) | 1953-05-22 | 1956-04-10 | Appbau G M B H Fa | Rotary filters |
| US5612007A (en) | 1994-10-14 | 1997-03-18 | Amoco Corporation | Apparatus for preparing aromatic carboxylic acids with efficient energy recovery |
| US6137001A (en) | 1998-02-11 | 2000-10-24 | Bp Amoco Corporation | Process for preparing aromatic carboxylic acids with efficient treatments of gaseous effluent |
| KR20000005733A (ko) | 1998-06-05 | 2000-01-25 | 나까니시 히로유끼 | 방향족카복실산의제조방법 |
| US20050051473A1 (en) | 2001-06-12 | 2005-03-10 | Wolfgang Suss | Rotating filter system |
| DE102004033328A1 (de) | 2004-07-09 | 2006-02-09 | Bhs-Sonthofen Gmbh | Filter mit Feststoff-Resuspendierung |
| CN101146758B (zh) * | 2005-03-21 | 2012-07-04 | Bp北美公司 | 用于制备包括其纯形式的芳族羧酸的方法和设备 |
| CN102421741B (zh) | 2009-04-24 | 2014-03-26 | 英威达技术有限公司 | 用于处理、纯化粗对苯二甲酸及相关过程流的方法、步骤及系统 |
| CN101624343B (zh) * | 2009-08-13 | 2012-12-19 | 中国纺织工业设计院 | 精对苯二甲酸装置精制单元氢气回收方法及装置 |
| CN102695680B (zh) | 2009-12-30 | 2015-07-22 | Bp北美公司 | 用于在废水处理中生产生物质颗粒的方法和系统 |
| CN105873892B (zh) * | 2013-12-30 | 2018-10-16 | Bp北美公司 | 芳族羧酸的纯化 |
| PT3089958T (pt) | 2013-12-31 | 2021-09-02 | Ineos Us Chemicals Company | Geração de condensado de elevada pressão no fabrico de ácidos carboxílicos aromáticos purificados |
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| EP3562804A1 (en) | 2019-11-06 |
| CN110139849A (zh) | 2019-08-16 |
| EP3562804B1 (en) | 2021-01-06 |
| US20180186719A1 (en) | 2018-07-05 |
| US10414712B2 (en) | 2019-09-17 |
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