SE508111C2 - Förfarande för framställning av väteperoxid genom hydrering av en kinonlösning samt anordning för utövande av förfarandet - Google Patents

Förfarande för framställning av väteperoxid genom hydrering av en kinonlösning samt anordning för utövande av förfarandet

Info

Publication number: SE508111C2
Authority: SE; Sweden
Prior art keywords: working solution; solution; catalyst; grams; hydrogen peroxide
Prior art date: 1996-12-23

Application number

SE9604763A

Other languages

English (en)

Swedish (sv)

Other versions

SE9604763L (sv

SE9604763D0 (sv

Inventor

Erik Bengtsson

Arnfinn Unum

Aslak Casen

Original Assignee

Kvaerner Process Systems As

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.)

1996-12-23

Filing date

1996-12-23

Publication date

1998-08-31

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20405118&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE508111(C2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1996-12-23 Publication of SE9604763D0 publication Critical patent/SE9604763D0/xx

1996-12-23 Priority to SE9604763A priority Critical patent/SE508111C2/sv

1996-12-23 Application filed by Kvaerner Process Systems As filed Critical Kvaerner Process Systems As

1997-12-16 Priority to AU78724/98A priority patent/AU7872498A/en

1997-12-16 Priority to DE69711711T priority patent/DE69711711D1/de

1997-12-16 Priority to EP97949322A priority patent/EP0958238B1/de

1997-12-16 Priority to PCT/SE1997/002100 priority patent/WO1998028225A1/en

1997-12-16 Priority to CA002275726A priority patent/CA2275726A1/en

1997-12-16 Priority to AT97949322T priority patent/ATE215513T1/de

1998-06-24 Publication of SE9604763L publication Critical patent/SE9604763L/

1998-08-31 Publication of SE508111C2 publication Critical patent/SE508111C2/sv

1999-06-18 Priority to NO993033A priority patent/NO993033L/no

Links

MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 30
238000000034 method Methods 0.000 title claims abstract description 30
AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 title claims abstract description 8
230000036571 hydration Effects 0.000 title description 3
238000006703 hydration reaction Methods 0.000 title description 3
239000012224 working solution Substances 0.000 claims abstract description 77
239000003054 catalyst Substances 0.000 claims abstract description 42
230000003647 oxidation Effects 0.000 claims abstract description 21
238000007254 oxidation reaction Methods 0.000 claims abstract description 21
238000000605 extraction Methods 0.000 claims abstract description 18
239000000243 solution Substances 0.000 claims abstract description 18
SNDGLCYYBKJSOT-UHFFFAOYSA-N 1,1,3,3-tetrabutylurea Chemical compound CCCCN(CCCC)C(=O)N(CCCC)CCCC SNDGLCYYBKJSOT-UHFFFAOYSA-N 0.000 claims abstract description 10
238000000926 separation method Methods 0.000 claims abstract description 10
FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 claims abstract description 9
INPHIYULSHLAHR-UHFFFAOYSA-N 1-pentylanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2CCCCC INPHIYULSHLAHR-UHFFFAOYSA-N 0.000 claims abstract description 7
HSKPJQYAHCKJQC-UHFFFAOYSA-N 1-ethylanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2CC HSKPJQYAHCKJQC-UHFFFAOYSA-N 0.000 claims abstract description 4
238000005984 hydrogenation reaction Methods 0.000 claims description 30
239000001257 hydrogen Substances 0.000 claims description 19
229910052739 hydrogen Inorganic materials 0.000 claims description 19
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 15
239000007864 aqueous solution Substances 0.000 claims description 10
150000002431 hydrogen Chemical class 0.000 claims description 9
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
239000010802 sludge Substances 0.000 claims description 8
238000001914 filtration Methods 0.000 claims description 7
238000005406 washing Methods 0.000 claims description 6
238000006243 chemical reaction Methods 0.000 claims description 5
238000007872 degassing Methods 0.000 claims description 5
239000002904 solvent Substances 0.000 claims description 5
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
239000001301 oxygen Substances 0.000 claims description 4
229910052760 oxygen Inorganic materials 0.000 claims description 4
150000004040 pyrrolidinones Chemical class 0.000 claims description 4
239000006185 dispersion Substances 0.000 claims description 2
238000002360 preparation method Methods 0.000 claims 1
238000004519 manufacturing process Methods 0.000 abstract description 6
JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 7
239000006227 byproduct Substances 0.000 description 6
239000007789 gas Substances 0.000 description 6
238000003756 stirring Methods 0.000 description 6
238000003860 storage Methods 0.000 description 6
239000007788 liquid Substances 0.000 description 5
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
238000001816 cooling Methods 0.000 description 4
239000008187 granular material Substances 0.000 description 3
239000000203 mixture Substances 0.000 description 3
239000002245 particle Substances 0.000 description 3
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
238000013019 agitation Methods 0.000 description 2
239000012670 alkaline solution Substances 0.000 description 2
PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 2
150000004056 anthraquinones Chemical class 0.000 description 2
238000001035 drying Methods 0.000 description 2
239000010419 fine particle Substances 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
229910052757 nitrogen Inorganic materials 0.000 description 2
238000000746 purification Methods 0.000 description 2
230000008929 regeneration Effects 0.000 description 2
238000011069 regeneration method Methods 0.000 description 2
239000007787 solid Substances 0.000 description 2
NMRPBPVERJPACX-UHFFFAOYSA-N (3S)-octan-3-ol Natural products CCCCCC(O)CC NMRPBPVERJPACX-UHFFFAOYSA-N 0.000 description 1
YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 1
229910000789 Aluminium-silicon alloy Inorganic materials 0.000 description 1
HXQPUEQDBSPXTE-UHFFFAOYSA-N Diisobutylcarbinol Chemical compound CC(C)CC(O)CC(C)C HXQPUEQDBSPXTE-UHFFFAOYSA-N 0.000 description 1
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
229910021536 Zeolite Inorganic materials 0.000 description 1
150000001298 alcohols Chemical class 0.000 description 1
239000008346 aqueous phase Substances 0.000 description 1
230000001174 ascending effect Effects 0.000 description 1
238000011001 backwashing Methods 0.000 description 1
230000003197 catalytic effect Effects 0.000 description 1
230000001143 conditioned effect Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000011109 contamination Methods 0.000 description 1
HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
238000004821 distillation Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
239000012636 effector Substances 0.000 description 1
239000000839 emulsion Substances 0.000 description 1
150000002118 epoxides Chemical class 0.000 description 1
239000002360 explosive Substances 0.000 description 1
239000012467 final product Substances 0.000 description 1
238000005188 flotation Methods 0.000 description 1
230000005484 gravity Effects 0.000 description 1
QOSATHPSBFQAML-UHFFFAOYSA-N hydrogen peroxide;hydrate Chemical compound O.OO QOSATHPSBFQAML-UHFFFAOYSA-N 0.000 description 1
125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
229910000510 noble metal Inorganic materials 0.000 description 1
125000004430 oxygen atom Chemical group O* 0.000 description 1
229910052763 palladium Inorganic materials 0.000 description 1
239000012071 phase Substances 0.000 description 1
239000002798 polar solvent Substances 0.000 description 1
238000005498 polishing Methods 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000010926 purge Methods 0.000 description 1
150000004053 quinones Chemical class 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
239000010457 zeolite Substances 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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/005—Separating solid material from the gas/liquid stream
- B01J8/006—Separating solid material from the gas/liquid stream by filtration
- 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
- B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/01—Hydrogen peroxide
- C01B15/022—Preparation from organic compounds
- C01B15/023—Preparation from organic compounds by the alkyl-anthraquinone process
- 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
- B01J2219/00051—Controlling the temperature
- B01J2219/00054—Controlling or regulating the heat exchange system
- 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
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00105—Controlling the temperature by indirect heating or cooling employing heat exchange fluids part or all of the reactants being heated or cooled outside the reactor while recycling

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Inorganic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Catalysts (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

SE9604763A 1996-12-23 1996-12-23 Förfarande för framställning av väteperoxid genom hydrering av en kinonlösning samt anordning för utövande av förfarandet SE508111C2 (sv)

Priority Applications (8)

Application Number	Priority Date	Filing Date	Title
SE9604763A SE508111C2 (sv)	1996-12-23	1996-12-23	Förfarande för framställning av väteperoxid genom hydrering av en kinonlösning samt anordning för utövande av förfarandet
AT97949322T ATE215513T1 (de)	1996-12-23	1997-12-16	Verfahren zur herstellung von wasserstoffperoxid durch hydrierung einer chinonlösung und vorrichtung zur durchführung des verfahrens
AU78724/98A AU7872498A (en)	1996-12-23	1997-12-16	Method for the production of hydrogen peroxide by hydrating chinone solution an d arrangement for performing the methods
CA002275726A CA2275726A1 (en)	1996-12-23	1997-12-16	Method for the production of hydrogen peroxide by hydrating a chinone solution and arrangement for performing the methods
DE69711711T DE69711711D1 (de)	1996-12-23	1997-12-16	Verfahren zur herstellung von wasserstoffperoxid durch hydrierung einer chinonlösung und vorrichtung zur durchführung des verfahrens
EP97949322A EP0958238B1 (de)	1996-12-23	1997-12-16	Verfahren zur herstellung von wasserstoffperoxid durch hydrierung einer chinonlösung und vorrichtung zur durchführung des verfahrens
PCT/SE1997/002100 WO1998028225A1 (en)	1996-12-23	1997-12-16	Method for the production of hydrogen peroxide by hydrating a chinone solution and arrangement for performing the methods
NO993033A NO993033L (no)	1996-12-23	1999-06-18	Fremgangsmåte for fremstilling av hydrogenperoksid ved hydrogenering av en kinonlösning, og arrangement for utförelse derav

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9604763A SE508111C2 (sv)	1996-12-23	1996-12-23	Förfarande för framställning av väteperoxid genom hydrering av en kinonlösning samt anordning för utövande av förfarandet

Publications (3)

Publication Number	Publication Date
SE9604763D0 SE9604763D0 (sv)	1996-12-23
SE9604763L SE9604763L (sv)	1998-06-24
SE508111C2 true SE508111C2 (sv)	1998-08-31

Family

ID=20405118

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9604763A SE508111C2 (sv)	1996-12-23	1996-12-23	Förfarande för framställning av väteperoxid genom hydrering av en kinonlösning samt anordning för utövande av förfarandet

Country Status (8)

Country	Link
EP (1)	EP0958238B1 (de)
AT (1)	ATE215513T1 (de)
AU (1)	AU7872498A (de)
CA (1)	CA2275726A1 (de)
DE (1)	DE69711711D1 (de)
NO (1)	NO993033L (de)
SE (1)	SE508111C2 (de)
WO (1)	WO1998028225A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES2250094T3 (es) *	1999-11-22	2006-04-16	Akzo Nobel N.V.	Procedimieto y composicion para la produccion de peroxido de hidrogeno.
AU2001236000A1 (en) *	2000-03-01	2001-09-12	Bayer A.G.	Process for producing hydrogenated unsaturated ring-containing hydrocarbon polymer
CN101837957B (zh) *	2010-04-29	2011-09-28	扬州惠通化工技术有限公司	一种用于过氧化氢生产的氢化系统
CN107032306B (zh) *	2017-06-15	2023-07-14	扬州惠通科技股份有限公司	流化床生产过氧化氢的系统及方法
CN107032305B (zh) *	2017-06-15	2023-07-14	扬州惠通科技股份有限公司	一种过氧化氢的生产系统及生产方法
JP7322363B2 (ja) *	2018-07-11	2023-08-08	三菱瓦斯化学株式会社	過酸化水素水溶液の製造方法
CN110436418A (zh) *	2019-09-23	2019-11-12	扬州荣祥科技发展有限公司	一种蒽醌法生产双氧水的工艺
CN111137863B (zh) *	2019-12-31	2021-08-31	聊城鲁西双氧水新材料科技有限公司	一种氢化塔催化剂在线切换方法、系统及应用
CN111137864B (zh) *	2020-01-02	2024-04-05	黎明化工研究设计院有限责任公司	一种蒽醌法制备过氧化氢的氧化塔
AU2022418834A1 (en) *	2021-12-22	2024-05-09	Solvay Sa	Novel process for the production of hydrogen peroxide

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2532819C3 (de) *	1975-07-23	1978-10-05	Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt	Verfahren zur Herstellung von Wasserstoffperoxid
SE459919C (sv) *	1987-03-27	1991-03-25	Eka Nobel Ab	Foerfarande foer framstaellning av vaeteperoxid genom reduktion och oxidation av en antrakinon
FI82671C (fi) *	1989-09-18	1991-04-10	Kemira Oy	Foerfarande foer framstaellning av vaeteperoxid och loesningsmedelssystem foer anvaendning i detta foerfarande.
WO1995004702A1 (en) *	1993-08-11	1995-02-16	Conoco Specialty Products Inc.	Peroxide treatment process
NO941388D0 (no) *	1994-04-15	1994-04-15	Kvaerner Process Systems As	Produksjon av kjemikalier som kan anvendes i celluloseindustrien

1996
- 1996-12-23 SE SE9604763A patent/SE508111C2/sv not_active IP Right Cessation
1997
- 1997-12-16 CA CA002275726A patent/CA2275726A1/en not_active Abandoned
- 1997-12-16 AT AT97949322T patent/ATE215513T1/de not_active IP Right Cessation
- 1997-12-16 DE DE69711711T patent/DE69711711D1/de not_active Expired - Lifetime
- 1997-12-16 EP EP97949322A patent/EP0958238B1/de not_active Revoked
- 1997-12-16 AU AU78724/98A patent/AU7872498A/en not_active Abandoned
- 1997-12-16 WO PCT/SE1997/002100 patent/WO1998028225A1/en not_active Ceased
1999
- 1999-06-18 NO NO993033A patent/NO993033L/no not_active Application Discontinuation

Also Published As

Publication number	Publication date
CA2275726A1 (en)	1998-07-02
AU7872498A (en)	1998-07-17
ATE215513T1 (de)	2002-04-15
NO993033L (no)	1999-08-23
SE9604763L (sv)	1998-06-24
EP0958238A1 (de)	1999-11-24
DE69711711D1 (de)	2002-05-08
WO1998028225A1 (en)	1998-07-02
SE9604763D0 (sv)	1996-12-23
EP0958238B1 (de)	2002-04-03
NO993033D0 (no)	1999-06-18

Legal Events

Date

Code

Title

Description

2000-08-14

NUG

Patent has lapsed

Ref document number: 9604763-4

Format of ref document f/p: F

Publication	Publication Date	Title
JP5823384B2 (ja)	2015-11-25	多相混合物から液体を分離するための方法
US3839436A (en)	1974-10-01	Integration of para-or meta-xylene oxidation to terephthalic acid or isophthalic acid and its purification by hydrogen treatment of aqueous solution
KR910003255B1 (ko)	1991-05-25	테레프탈산 슬러리의 분산매체 교환방법
JP2012528710A5 (de)	2013-06-27
CN113735066B (zh)	2024-10-15	用于通过蒽醌法生产过氧化氢的装置和方法
SE508111C2 (sv)	1998-08-31	Förfarande för framställning av väteperoxid genom hydrering av en kinonlösning samt anordning för utövande av förfarandet
HK1040692A1 (en)	2002-06-21	Process for producing purified aqueous hydrogen peroxide solution and apparatus
CN106672911B (zh)	2018-08-14	一种蒽醌法生产双氧水的氧化-萃取工艺
JPS6355972B2 (de)	1988-11-07
SE411170B (sv)	1979-12-10	Sett att avlegsna partikelformigt material och svaveloxider ur avgaser samt apparat for utforande av settet
US3671185A (en)	1972-06-20	Purification of waste gases
CN108455538A (zh)	2018-08-28	利用蒽醌法的过氧化氢制造方法和制造系统
CN102165040B (zh)	2014-03-19	泡罩塔型反应器及泡罩塔型反应器的控制方法
JP4837232B2 (ja)	2011-12-14	晶析方法
CN104495756B (zh)	2016-11-30	蒽醌法制备过氧化氢的氢化方法
US20100144906A1 (en)	2010-06-10	Method and system for handling slurries of varying liquid rates and solids content
JPH0648708A (ja)	1994-02-22	過酸化水素を製造するためのアントラキノン法の水素化循環路のパラジウムブラック含有作業溶液から触媒不含の作業溶液を分離する方法
EA006933B1 (ru)	2006-06-30	Способ непрерывного получения углеводородов из синтез-газа в шламовых реакторах и отделения получаемой жидкой фазы от твердой фазы
JP4731647B2 (ja)	2011-07-27	副生物除去工程を含む、硫化水素及び二酸化硫黄含有ガスの処理方法と装置
US20020012617A1 (en)	2002-01-31	Method and device for processing a gas containing hydrogen sulfide and sulfut dioxide comprising a stage of removal of solid by-products
CN214913667U (zh)	2021-11-30	一种正丁烷氧化法制顺酐工艺中溶剂的提纯回收装置
RU2136585C1 (ru)	1999-09-10	Способ получения элементарной серы и устройство для его осуществления
JPS5912355B2 (ja)	1984-03-22	廃水処理装置から灰分を除くための方法
US3855400A (en)	1974-12-17	Purification of hydrochloric acid
SE527395C2 (sv)	2006-02-28	Förfarande för rening av vatten