SA516380565B1 - عملية لإنتاج نيتروبنزين - Google Patents

عملية لإنتاج نيتروبنزين Download PDF

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Publication number: SA516380565B1
Authority: SA; Saudi Arabia
Prior art keywords: phase; station; wash; sulfuric acid; wastewater
Prior art date: 2014-06-24

Application number

SA516380565A

Other languages

Arabic (ar)

English (en)

Inventor

دريندا بيتر

توماس كناوف د.

Original Assignee

كوفيسترو ديوتشلاند ايه جي

Priority date (The priority date 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 date listed.)

2014-06-24

Filing date

2016-12-21

Publication date

2020-11-03

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=50979654&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SA516380565(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2016-12-21 Application filed by كوفيسترو ديوتشلاند ايه جي filed Critical كوفيسترو ديوتشلاند ايه جي

2020-11-03 Publication of SA516380565B1 publication Critical patent/SA516380565B1/ar

Links

LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 title claims abstract description 212
238000000034 method Methods 0.000 title claims abstract description 173
230000008569 process Effects 0.000 title claims abstract description 55
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 209
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims abstract description 168
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 40
229910017604 nitric acid Inorganic materials 0.000 claims abstract description 40
239000012071 phase Substances 0.000 claims description 160
239000002351 wastewater Substances 0.000 claims description 148
238000005406 washing Methods 0.000 claims description 95
239000002253 acid Substances 0.000 claims description 91
241000196324 Embryophyta Species 0.000 claims description 85
238000004821 distillation Methods 0.000 claims description 77
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 59
229910001868 water Inorganic materials 0.000 claims description 59
238000004140 cleaning Methods 0.000 claims description 44
238000005121 nitriding Methods 0.000 claims description 43
230000008439 repair process Effects 0.000 claims description 33
230000007935 neutral effect Effects 0.000 claims description 29
239000008346 aqueous phase Substances 0.000 claims description 25
238000002360 preparation method Methods 0.000 claims description 24
239000003513 alkali Substances 0.000 claims description 23
238000004065 wastewater treatment Methods 0.000 claims description 19
238000003860 storage Methods 0.000 claims description 18
238000005191 phase separation Methods 0.000 claims description 15
238000012423 maintenance Methods 0.000 claims description 14
239000000203 mixture Substances 0.000 claims description 10
239000011541 reaction mixture Substances 0.000 claims description 8
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 7
239000012141 concentrate Substances 0.000 claims description 7
235000015076 Shorea robusta Nutrition 0.000 claims description 6
239000002585 base Substances 0.000 claims description 6
238000007689 inspection Methods 0.000 claims description 5
238000005192 partition Methods 0.000 claims description 5
238000000197 pyrolysis Methods 0.000 claims description 5
238000000926 separation method Methods 0.000 claims description 5
101100234002 Drosophila melanogaster Shal gene Proteins 0.000 claims description 4
244000166071 Shorea robusta Species 0.000 claims description 4
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
238000001704 evaporation Methods 0.000 claims description 4
238000000746 purification Methods 0.000 claims description 4
239000007864 aqueous solution Substances 0.000 claims description 2
238000002224 dissection Methods 0.000 claims description 2
230000001546 nitrifying effect Effects 0.000 claims description 2
238000002161 passivation Methods 0.000 claims description 2
229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
241000592503 Speea Species 0.000 claims 1
210000004081 cilia Anatomy 0.000 claims 1
230000003750 conditioning effect Effects 0.000 claims 1
238000012053 enzymatic serum creatinine assay Methods 0.000 claims 1
239000011800 void material Substances 0.000 claims 1
238000004519 manufacturing process Methods 0.000 abstract description 67
238000006396 nitration reaction Methods 0.000 abstract description 4
238000010924 continuous production Methods 0.000 abstract description 2
238000006243 chemical reaction Methods 0.000 description 42
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 32
239000000047 product Substances 0.000 description 30
230000002378 acidificating effect Effects 0.000 description 16
229910052757 nitrogen Inorganic materials 0.000 description 16
230000006837 decompression Effects 0.000 description 12
239000012074 organic phase Substances 0.000 description 11
238000010926 purge Methods 0.000 description 10
GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 9
239000002994 raw material Substances 0.000 description 8
238000004064 recycling Methods 0.000 description 8
230000002829 reductive effect Effects 0.000 description 8
230000000052 comparative effect Effects 0.000 description 7
239000012535 impurity Substances 0.000 description 7
239000005416 organic matter Substances 0.000 description 7
238000007599 discharging Methods 0.000 description 6
239000000463 material Substances 0.000 description 6
125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 6
239000012808 vapor phase Substances 0.000 description 6
CYTCTRAEJYIZRX-UHFFFAOYSA-N (9a-hydroxy-3,5a-dimethyl-9-methylidene-2-oxo-3,3a,4,5,6,7,8,9b-octahydrobenzo[g][1]benzofuran-6-yl) acetate Chemical compound C1CC2(C)C(OC(C)=O)CCC(=C)C2(O)C2C1C(C)C(=O)O2 CYTCTRAEJYIZRX-UHFFFAOYSA-N 0.000 description 5
238000009833 condensation Methods 0.000 description 5
230000001351 cycling effect Effects 0.000 description 5
238000011161 development Methods 0.000 description 5
230000018109 developmental process Effects 0.000 description 5
239000007789 gas Substances 0.000 description 5
239000002699 waste material Substances 0.000 description 5
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
239000007795 chemical reaction product Substances 0.000 description 4
239000001272 nitrous oxide Substances 0.000 description 4
229910002651 NO3 Inorganic materials 0.000 description 3
230000008901 benefit Effects 0.000 description 3
239000003054 catalyst Substances 0.000 description 3
230000005494 condensation Effects 0.000 description 3
230000000694 effects Effects 0.000 description 3
238000011156 evaluation Methods 0.000 description 3
238000001914 filtration Methods 0.000 description 3
238000010438 heat treatment Methods 0.000 description 3
MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
230000037361 pathway Effects 0.000 description 3
238000005096 rolling process Methods 0.000 description 3
PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
XUIIKFGFIJCVMT-GFCCVEGCSA-N D-thyroxine Chemical compound IC1=CC(C[C@@H](N)C(O)=O)=CC(I)=C1OC1=CC(I)=C(O)C(I)=C1 XUIIKFGFIJCVMT-GFCCVEGCSA-N 0.000 description 2
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
239000002671 adjuvant Substances 0.000 description 2
229910021529 ammonia Inorganic materials 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
239000000872 buffer Substances 0.000 description 2
239000006227 byproduct Substances 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
125000004122 cyclic group Chemical group 0.000 description 2
230000008020 evaporation Effects 0.000 description 2
239000012467 final product Substances 0.000 description 2
238000004817 gas chromatography Methods 0.000 description 2
238000002347 injection Methods 0.000 description 2
239000007924 injection Substances 0.000 description 2
230000014759 maintenance of location Effects 0.000 description 2
230000003472 neutralizing effect Effects 0.000 description 2
230000003647 oxidation Effects 0.000 description 2
238000007254 oxidation reaction Methods 0.000 description 2
230000036961 partial effect Effects 0.000 description 2
150000002989 phenols Chemical class 0.000 description 2
239000000376 reactant Substances 0.000 description 2
238000007670 refining Methods 0.000 description 2
230000000284 resting effect Effects 0.000 description 2
150000003839 salts Chemical class 0.000 description 2
239000010865 sewage Substances 0.000 description 2
238000004659 sterilization and disinfection Methods 0.000 description 2
230000008646 thermal stress Effects 0.000 description 2
239000002562 thickening agent Substances 0.000 description 2
229940034208 thyroxine Drugs 0.000 description 2
XUIIKFGFIJCVMT-UHFFFAOYSA-N thyroxine-binding globulin Natural products IC1=CC(CC([NH3+])C([O-])=O)=CC(I)=C1OC1=CC(I)=C(O)C(I)=C1 XUIIKFGFIJCVMT-UHFFFAOYSA-N 0.000 description 2
PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
101100309447 Caenorhabditis elegans sad-1 gene Proteins 0.000 description 1
235000014653 Carica parviflora Nutrition 0.000 description 1
244000132059 Carica parviflora Species 0.000 description 1
241001649081 Dina Species 0.000 description 1
IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
241000030538 Thecla Species 0.000 description 1
230000009471 action Effects 0.000 description 1
230000006978 adaptation Effects 0.000 description 1
239000003463 adsorbent Substances 0.000 description 1
230000002411 adverse Effects 0.000 description 1
238000005054 agglomeration Methods 0.000 description 1
230000002776 aggregation Effects 0.000 description 1
230000032683 aging Effects 0.000 description 1
150000003863 ammonium salts Chemical class 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
238000000889 atomisation Methods 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
239000012043 crude product Substances 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
238000007872 degassing Methods 0.000 description 1
239000000645 desinfectant Substances 0.000 description 1
CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
MQRJBSHKWOFOGF-UHFFFAOYSA-L disodium;carbonate;hydrate Chemical compound O.[Na+].[Na+].[O-]C([O-])=O MQRJBSHKWOFOGF-UHFFFAOYSA-L 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
238000005265 energy consumption Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000011049 filling Methods 0.000 description 1
239000003517 fume Substances 0.000 description 1
235000021189 garnishes Nutrition 0.000 description 1
238000004128 high performance liquid chromatography Methods 0.000 description 1
238000007654 immersion Methods 0.000 description 1
230000006872 improvement Effects 0.000 description 1
238000009434 installation Methods 0.000 description 1
230000016507 interphase Effects 0.000 description 1
238000002386 leaching Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000007257 malfunction Effects 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
150000002823 nitrates Chemical class 0.000 description 1
MCNNSMNUBBQHPT-UHFFFAOYSA-N nitric acid;phenol Chemical class O[N+]([O-])=O.OC1=CC=CC=C1 MCNNSMNUBBQHPT-UHFFFAOYSA-N 0.000 description 1
238000005457 optimization Methods 0.000 description 1
150000002894 organic compounds Chemical class 0.000 description 1
239000011368 organic material Substances 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
229910052760 oxygen Inorganic materials 0.000 description 1
239000005056 polyisocyanate Substances 0.000 description 1
229920001228 polyisocyanate Polymers 0.000 description 1
239000004814 polyurethane Substances 0.000 description 1
229920002635 polyurethane Polymers 0.000 description 1
230000008092 positive effect Effects 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000004886 process control Methods 0.000 description 1
238000012545 processing Methods 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000010992 reflux Methods 0.000 description 1
230000002441 reversible effect Effects 0.000 description 1
238000005201 scrubbing Methods 0.000 description 1
239000013049 sediment Substances 0.000 description 1
238000004062 sedimentation Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000000243 solution Substances 0.000 description 1
239000003381 stabilizer Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
230000009466 transformation Effects 0.000 description 1
230000001960 triggered effect Effects 0.000 description 1
230000035899 viability Effects 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/08—Preparation of nitro compounds by substitution of hydrogen atoms by nitro groups
- 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
- B01J19/0006—Controlling or regulating processes
- 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
- B01J19/0006—Controlling or regulating processes
- B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
- 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
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
- B01J19/1881—Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
- 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
- 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
- B01J19/2455—Stationary reactors without moving elements inside provoking a loop type movement of the reactants
- B01J19/2465—Stationary reactors without moving elements inside provoking a loop type movement of the reactants externally, i.e. the mixture leaving the vessel and subsequently re-entering it
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C201/00—Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
- C07C201/06—Preparation of nitro compounds
- C07C201/16—Separation; Purification; Stabilisation; Use of additives
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/06—Compounds containing nitro groups bound to a carbon skeleton having nitro groups bound to carbon atoms of six-membered aromatic rings
- 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
- B01J2219/00002—Chemical plants
- B01J2219/00004—Scale aspects
- B01J2219/00006—Large-scale industrial plants
- 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
- B01J2219/00002—Chemical plants
- B01J2219/00027—Process aspects
- B01J2219/00033—Continuous processes
- 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
- B01J2219/00002—Chemical plants
- B01J2219/00027—Process aspects
- B01J2219/0004—Processes in series
- 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
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00245—Avoiding undesirable reactions or side-effects
- B01J2219/00268—Detecting faulty operations

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Physical Water Treatments (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

SA516380565A 2014-06-24 2016-12-21 عملية لإنتاج نيتروبنزين SA516380565B1 (ar)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP14173583		2014-06-24

Publications (1)

Publication Number	Publication Date
SA516380565B1 true SA516380565B1 (ar)	2020-11-03

Family

ID=50979654

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SA516380565A SA516380565B1 (ar)	2014-06-24	2016-12-21	عملية لإنتاج نيتروبنزين

Country Status (8)

Country	Link
US (2)	US10023524B2 (2)
EP (1)	EP3160932B1 (2)
JP (1)	JP6661555B2 (2)
KR (1)	KR102414963B1 (2)
CN (1)	CN106660934B (2)
PT (1)	PT3160932T (2)
SA (1)	SA516380565B1 (2)
WO (1)	WO2015197521A1 (2)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP3160932B1 (de) *	2014-06-24	2018-03-14	Covestro Deutschland AG	Verfahren zur herstellung von nitrobenzol
CN108348889B (zh) *	2015-09-24	2020-09-15	科思创德国股份有限公司	制备异氰酸酯的方法
PT3592727T (pt)	2017-03-07	2024-06-26	Covestro Deutschland Ag	Método para fabrico de nitrobenzeno
CN107512810B (zh) *	2017-07-13	2021-04-16	安徽东至广信农化有限公司	一种硝基氯苯生产后废水处理方法
CN113924284B (zh) *	2019-04-17	2025-01-28	科思创德国股份有限公司	用于制备硝基苯的方法及装置
CN110511146A (zh) *	2019-09-17	2019-11-29	四川北方红光特种化工有限公司	一种废酸量低的单硝基邻二甲苯的生产方法及其生产系统
US12129187B2 (en) *	2020-04-27	2024-10-29	Covestro Deutschland Ag	Method for cleaning aqueous wastewater streams loaded with nitrobenzene
CN115193366B (zh) *	2021-04-09	2024-04-09	万华化学集团股份有限公司	一种硝化反应装置及利用该反应装置进行硝化反应的方法
CN121568781A (zh)	2023-08-25	2026-02-24	科思创德国股份有限公司	用于芳族化合物硝化的反应器，包括所述反应器的生产设备和使用所述反应器的硝化方法
CN119819213A (zh) *	2023-10-13	2025-04-15	中国石油化工股份有限公司	一种硝基苯废水减量化装置及方法

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US2739174A (en)	1951-09-08	1956-03-20	Eastman Kodak Co	Nitrating aromatic hydrocarbons with only nitric acid
DE1593045A1 (de) *	1966-07-02	1970-04-09	Meissner Fa Josef	Verfahren und Vorrichtung zum zeitweiligen Abschalten der Produktion von Trinitrotoluol
US3692477A (en)	1969-08-04	1972-09-19	Victor R Thayer	Process for enrichment by countercurrent mass transfer
US3780116A (en)	1972-06-15	1973-12-18	Zaverchand & Co	Method for nitration of aromatic hydrocarbon compounds
FR2453492A1 (fr)	1979-04-03	1980-10-31	Cgr Mev	Dispositif de deviation magnetique achromatique d'un faisceau de particules chargees et appareil d'irradiation utilisant un tel dispositif
DE3267711D1 (en)	1981-10-21	1986-01-09	Monsanto Co	Process and catalysts for vapor phase nitration of aromatic compounds
DE3409717C2 (de)	1984-03-16	1994-03-31	Bayer Ag	Verfahren zur Herstellung von Nitrobenzol
FR2656679A1 (fr)	1990-01-02	1991-07-05	Armines	Dispositif concentrateur de rayonnements.
DE69026590T2 (de)	1990-01-04	1996-10-31	Nrm Int Tech	Nitrierungsverfahren
US5158537A (en)	1990-10-29	1992-10-27	Alza Corporation	Iontophoretic delivery device and method of hydrating same
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2015
- 2015-06-22 EP EP15729525.4A patent/EP3160932B1/de not_active Revoked
- 2015-06-22 JP JP2016575028A patent/JP6661555B2/ja active Active
- 2015-06-22 WO PCT/EP2015/063924 patent/WO2015197521A1/de not_active Ceased
- 2015-06-22 CN CN201580043175.3A patent/CN106660934B/zh active Active
- 2015-06-22 US US15/320,804 patent/US10023524B2/en active Active
- 2015-06-22 KR KR1020177001653A patent/KR102414963B1/ko active Active
- 2015-06-22 PT PT157295254T patent/PT3160932T/pt unknown
2016
- 2016-12-21 SA SA516380565A patent/SA516380565B1/ar unknown
2018
- 2018-06-15 US US16/009,396 patent/US11136285B2/en active Active

Also Published As

Publication number	Publication date
JP2017525666A (ja)	2017-09-07
US20170174612A1 (en)	2017-06-22
KR20170021851A (ko)	2017-02-28
KR102414963B1 (ko)	2022-07-01
EP3160932B1 (de)	2018-03-14
US20180346405A1 (en)	2018-12-06
US10023524B2 (en)	2018-07-17
PT3160932T (pt)	2018-06-15
US11136285B2 (en)	2021-10-05
WO2015197521A1 (de)	2015-12-30
EP3160932A1 (de)	2017-05-03
CN106660934B (zh)	2020-03-03
CN106660934A (zh)	2017-05-10
JP6661555B2 (ja)	2020-03-11

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