KR20190105590A - 화학 생산으로부터 염산의 사용을 유연하게 제어하는 방법 - Google Patents
화학 생산으로부터 염산의 사용을 유연하게 제어하는 방법 Download PDFInfo
- Publication number
- KR20190105590A KR20190105590A KR1020197020805A KR20197020805A KR20190105590A KR 20190105590 A KR20190105590 A KR 20190105590A KR 1020197020805 A KR1020197020805 A KR 1020197020805A KR 20197020805 A KR20197020805 A KR 20197020805A KR 20190105590 A KR20190105590 A KR 20190105590A
- Authority
- KR
- South Korea
- Prior art keywords
- hydrochloric acid
- neutralization
- reaction mixture
- stage
- station
- 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
Links
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title claims abstract description 518
- 238000012824 chemical production Methods 0.000 title claims abstract description 26
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 144
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 117
- 238000000034 method Methods 0.000 claims abstract description 115
- 230000008569 process Effects 0.000 claims abstract description 90
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 69
- 239000003513 alkali Substances 0.000 claims abstract description 16
- 239000000243 solution Substances 0.000 claims abstract description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 10
- 239000012266 salt solution Substances 0.000 claims abstract description 5
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 84
- 239000011541 reaction mixture Substances 0.000 claims description 65
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 46
- 238000006243 chemical reaction Methods 0.000 claims description 38
- 238000004519 manufacturing process Methods 0.000 claims description 35
- 238000002156 mixing Methods 0.000 claims description 34
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 29
- 239000000460 chlorine Substances 0.000 claims description 29
- 229910052801 chlorine Inorganic materials 0.000 claims description 29
- 239000011780 sodium chloride Substances 0.000 claims description 23
- 238000001816 cooling Methods 0.000 claims description 22
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 18
- 239000012948 isocyanate Substances 0.000 claims description 12
- 150000002513 isocyanates Chemical class 0.000 claims description 12
- 238000004064 recycling Methods 0.000 claims description 12
- 230000003472 neutralizing effect Effects 0.000 claims description 11
- 230000003068 static effect Effects 0.000 claims description 11
- 238000010517 secondary reaction Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 5
- 229910019093 NaOCl Inorganic materials 0.000 claims description 4
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 4
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 claims description 3
- KIQKWYUGPPFMBV-UHFFFAOYSA-N diisocyanatomethane Chemical compound O=C=NCN=C=O KIQKWYUGPPFMBV-UHFFFAOYSA-N 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 2
- 238000005660 chlorination reaction Methods 0.000 claims description 2
- 150000002894 organic compounds Chemical class 0.000 claims description 2
- 238000003908 quality control method Methods 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 125000005628 tolylene group Chemical group 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 4
- 239000012670 alkaline solution Substances 0.000 abstract 1
- 235000011167 hydrochloric acid Nutrition 0.000 description 196
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 83
- 238000003860 storage Methods 0.000 description 35
- 238000010521 absorption reaction Methods 0.000 description 26
- 238000000746 purification Methods 0.000 description 23
- 230000003647 oxidation Effects 0.000 description 13
- 238000007254 oxidation reaction Methods 0.000 description 13
- 238000010979 pH adjustment Methods 0.000 description 13
- 239000012071 phase Substances 0.000 description 13
- 239000002253 acid Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 12
- 239000012535 impurity Substances 0.000 description 12
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 229910001868 water Inorganic materials 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 238000005259 measurement Methods 0.000 description 10
- 238000001139 pH measurement Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 230000033228 biological regulation Effects 0.000 description 8
- 238000001311 chemical methods and process Methods 0.000 description 8
- 239000012267 brine Substances 0.000 description 7
- 239000000498 cooling water Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 7
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 7
- 239000002585 base Substances 0.000 description 6
- 239000002826 coolant Substances 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 238000007138 Deacon process reaction Methods 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 5
- 238000004821 distillation Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000265 homogenisation Methods 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- -1 hydronium ions Chemical class 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000004886 process control Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000004035 construction material Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000001279 citrus aurantifolia swingle expressed oil Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910000000 metal hydroxide Inorganic materials 0.000 description 2
- 150000004692 metal hydroxides Chemical class 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010327 methods by industry Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000012074 organic phase Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 241000283707 Capra Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 1
- 238000011438 discrete method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003304 ruthenium compounds Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/03—Preparation from chlorides
- C01B7/04—Preparation of chlorine from hydrogen chloride
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/01—Chlorine; Hydrogen chloride
- C01B7/07—Purification ; Separation
- C01B7/0706—Purification ; Separation of hydrogen chloride
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
-
- Y02W90/20—
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17152417.6A EP3351505A1 (de) | 2017-01-20 | 2017-01-20 | Verfahren zur flexiblen steuerung der verwendung von salzsäure aus chemischer produktion |
| EP17152417.6 | 2017-01-20 | ||
| PCT/EP2018/051088 WO2018134239A1 (de) | 2017-01-20 | 2018-01-17 | Verfahren zur flexiblen steuerung der verwendung von salzsäure aus chemischer produktion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20190105590A true KR20190105590A (ko) | 2019-09-17 |
Family
ID=58017897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020197020805A Ceased KR20190105590A (ko) | 2017-01-20 | 2018-01-17 | 화학 생산으로부터 염산의 사용을 유연하게 제어하는 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11040878B2 (https=) |
| EP (2) | EP3351505A1 (https=) |
| JP (1) | JP2020506859A (https=) |
| KR (1) | KR20190105590A (https=) |
| CN (1) | CN110198914A (https=) |
| WO (1) | WO2018134239A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399567B (zh) * | 2018-12-28 | 2021-08-13 | 甘肃金川恒信高分子科技有限公司 | 一种自动补偿氯化氢发生器 |
| US12188888B2 (en) * | 2020-05-15 | 2025-01-07 | Petroleo Brasileiro S.A.—Petrobras | Method and apparatus for evaluating hydrogen chloride evolution as a function of temperature |
| CN116617962A (zh) * | 2022-02-11 | 2023-08-22 | 石河子天域新实化工有限公司 | 一种氯碱工艺中氯化氢合成生产智能控制方法 |
| CN119591101B (zh) * | 2025-02-10 | 2025-05-16 | 山西博翔汇良新材料有限公司 | 一种高纯石墨生产方法及系统 |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT234639B (de) * | 1961-10-14 | 1964-07-10 | Siegener Ag Eisenkonstruktion | Verfahren zur Gewinnung von gasförmigem Chlor und gasförmigem Wasserstoff |
| JPS5311238B2 (https=) * | 1972-09-14 | 1978-04-20 | ||
| US4247532A (en) * | 1979-08-13 | 1981-01-27 | Shell Oil Company | Purification of electrolytically-produced chlorine |
| DE3714439A1 (de) | 1987-04-30 | 1988-11-10 | Bayer Ag | Verfahren zur herstellung von (cyclo)aliphatischen diisocyanaten |
| EP0371201A1 (de) * | 1988-12-01 | 1990-06-06 | Ruhrkohle Aktiengesellschaft | Verfahren zur Hydrierung von Organochlorverbindungen und Neutralisation des anfallenden Chlorwasserstoffs sowie Neutralisationsmittel für aus Organochlorverbindungen anfallenden Clorwasserstoff |
| FI85007C (fi) * | 1990-10-24 | 1992-02-25 | Nokia Ab Chemicals Oy | Foerfarande foer framstaellning av saltsyra. |
| US5616234A (en) * | 1995-10-31 | 1997-04-01 | Pepcon Systems, Inc. | Method for producing chlorine or hypochlorite product |
| IT1282367B1 (it) * | 1996-01-19 | 1998-03-20 | De Nora Spa | Migliorato metodo per l'elettrolisi di soluzioni acquose di acido cloridrico |
| JPH1081986A (ja) * | 1996-09-03 | 1998-03-31 | Permelec Electrode Ltd | 水平型複極式電解槽 |
| US6719957B2 (en) | 2002-04-17 | 2004-04-13 | Bayer Corporation | Process for purification of anhydrous hydrogen chloride gas |
| US20040152929A1 (en) * | 2002-05-08 | 2004-08-05 | Clarke William D | Process for vinyl chloride manufacture from ethane and ethylene with air feed and alternative hcl processing methods |
| DE102005032663A1 (de) * | 2005-07-13 | 2007-01-18 | Bayer Materialscience Ag | Verfahren zur Herstellung von Isocyanaten |
| DE102006023581A1 (de) * | 2006-05-19 | 2007-11-22 | Bayer Materialscience Ag | Verfahren zur Abtrennung von Chlor aus dem Produktgas eines HCI-Oxidationsprozesses |
| DE102006024516A1 (de) * | 2006-05-23 | 2007-11-29 | Bayer Materialscience Ag | Verfahren zur Herstellung von Chlor aus Chlorwasserstoff und Sauerstoff |
| KR101544219B1 (ko) | 2007-01-08 | 2015-08-12 | 바스프 에스이 | 디페닐메탄디아민의 제조 방법 |
| US7842264B2 (en) * | 2007-04-12 | 2010-11-30 | Cefco, Llc | Process and apparatus for carbon capture and elimination of multi-pollutants in flue gas from hydrocarbon fuel sources and recovery of multiple by-products |
| TWI478875B (zh) * | 2008-01-31 | 2015-04-01 | Solvay | 使水性組成物中之有機物質降解之方法 |
| CA3047633C (en) * | 2008-02-19 | 2023-08-01 | Carbon Sink Inc. | Extraction and sequestration of carbon dioxide |
| DE102008012037A1 (de) * | 2008-03-01 | 2009-09-03 | Bayer Materialscience Ag | Verfahren zur Herstellung von Methylen-diphenyl-diisocyanaten |
| DE102008015901A1 (de) * | 2008-03-27 | 2009-10-01 | Bayer Technology Services Gmbh | Elektrolysezelle zur Chlorwasserstoffelektrolyse |
| JP5484689B2 (ja) * | 2008-04-25 | 2014-05-07 | 三菱重工業株式会社 | 排ガス処理システム及び排ガス中の水銀除去方法 |
| JP5391577B2 (ja) * | 2008-05-14 | 2014-01-15 | Jfeスチール株式会社 | 廃塩酸液から塩酸を回収する塩酸回収装置および塩酸回収方法 |
| US20110091366A1 (en) * | 2008-12-24 | 2011-04-21 | Treavor Kendall | Neutralization of acid and production of carbonate-containing compositions |
| EP2371806B1 (de) * | 2010-03-30 | 2017-07-12 | Covestro Deutschland AG | Verfahren zur Herstellung von Diarylcarbonaten und Polycarbonaten |
| CN102602892B (zh) * | 2012-04-11 | 2015-04-01 | 万华化学集团股份有限公司 | 通过氯化氢的催化氧化制备氯气的方法 |
| US9517955B2 (en) * | 2012-09-07 | 2016-12-13 | Clean Chemistry, Llc | System and method for generation of point of use reactive oxygen species |
| CN104512865B (zh) * | 2013-09-26 | 2016-08-17 | 宝山钢铁股份有限公司 | 除硅中和反应的中和药剂氨水添加量的控制方法 |
| US10934627B2 (en) * | 2016-05-06 | 2021-03-02 | Malvi Technologies, Llc | Methods and systems for making hypochlorite solution from reverse osmosis brine |
-
2017
- 2017-01-20 EP EP17152417.6A patent/EP3351505A1/de not_active Withdrawn
-
2018
- 2018-01-17 JP JP2019538621A patent/JP2020506859A/ja active Pending
- 2018-01-17 CN CN201880007462.2A patent/CN110198914A/zh active Pending
- 2018-01-17 WO PCT/EP2018/051088 patent/WO2018134239A1/de not_active Ceased
- 2018-01-17 EP EP18700374.4A patent/EP3571157A1/de not_active Ceased
- 2018-01-17 US US16/479,083 patent/US11040878B2/en active Active
- 2018-01-17 KR KR1020197020805A patent/KR20190105590A/ko not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018134239A1 (de) | 2018-07-26 |
| CN110198914A (zh) | 2019-09-03 |
| EP3351505A1 (de) | 2018-07-25 |
| JP2020506859A (ja) | 2020-03-05 |
| US11040878B2 (en) | 2021-06-22 |
| US20190375635A1 (en) | 2019-12-12 |
| EP3571157A1 (de) | 2019-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20190105590A (ko) | 화학 생산으로부터 염산의 사용을 유연하게 제어하는 방법 | |
| US7604720B2 (en) | Process for the on-site production of chlorine and high strength sodium hypochlorite | |
| CN106414321A (zh) | 用于光气的安全生产的方法 | |
| RU2292298C2 (ru) | Способ управления процессом получения диоксида хлора | |
| JP2005161284A (ja) | 定濃度オゾン水の供給方法 | |
| US4105751A (en) | Process and installation for the manufacture of chlorine dioxide | |
| Shemer et al. | Re-mineralization of desalinated water using a mixture of CO2 and H2SO4 | |
| US10125087B2 (en) | Method for preparation of n-butyl nitrite | |
| EP1867631A1 (en) | Apparatus for polyisocyanate production and apparatus for gas treatment | |
| CN110167887B (zh) | 用于连续中和盐酸的方法和装置 | |
| CN107286066B (zh) | 一种连续生产橡胶硫化促进剂二硫化四甲基秋兰姆的工艺及系统 | |
| US7371313B2 (en) | On-site generation, purification, and distribution of ultra-pure anhydrous ammonia | |
| TWI813796B (zh) | 用於生產肟之改良方法 | |
| WO1994004467A1 (en) | Process and apparatus for neutralisation of acid streams | |
| JP2579533B2 (ja) | 水硫化ソーダの製造方法 | |
| EP0377521A1 (en) | High yield sodium hydrosulfite generation | |
| CN215163197U (zh) | 一种将冷凝酸回用于二次盐水氯酸盐分解槽的系统 | |
| SU1361154A1 (ru) | Способ регулировани процесса очистки растворител от примесей в производстве синтетического каучука | |
| JP2003236569A (ja) | 水熱酸化反応方法 | |
| JP4601644B2 (ja) | 晶析反応装置及び晶析反応方法 | |
| JP2765122B2 (ja) | 水素製造用メタノール水溶液及びその使用法 | |
| CN121715122A (zh) | 高馏分磺酸盐或硫酸盐分段冷却双路回流连续生产装置 | |
| CN117443002A (zh) | 甲醇精馏碱液处理系统及处理方法 | |
| Stitt et al. | New process options for hypochlorite destruction | |
| US20200140280A1 (en) | Purification systems and methods for carbon dioxide production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20190717 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PG1501 | Laying open of application | ||
| A201 | Request for examination | ||
| PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20210115 Comment text: Request for Examination of Application |
|
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20220725 Patent event code: PE09021S01D |
|
| E601 | Decision to refuse application | ||
| PE0601 | Decision on rejection of patent |
Patent event date: 20230104 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20220725 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |