DK476189A - Fremgangsmaade til regenerering af oploesninger af chelaterede polyvalente metaller ved elektrolyse med reguleret potentiale og elektrokemisk celle til udoevelse af fremgangsmaaden - Google Patents

Fremgangsmaade til regenerering af oploesninger af chelaterede polyvalente metaller ved elektrolyse med reguleret potentiale og elektrokemisk celle til udoevelse af fremgangsmaaden Download PDF

Info

Publication number
DK476189A
DK476189A DK476189A DK476189A DK476189A DK 476189 A DK476189 A DK 476189A DK 476189 A DK476189 A DK 476189A DK 476189 A DK476189 A DK 476189A DK 476189 A DK476189 A DK 476189A
Authority
DK
Denmark
Prior art keywords
procedure
electrolyse
exercising
electrochemical cells
polyvalent metals
Prior art date
Application number
DK476189A
Other languages
English (en)
Other versions
DK476189D0 (da
Inventor
John M Mcintyre
Bruce R Smith
Original Assignee
Dow Chemical Co
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22947822&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK476189(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of DK476189D0 publication Critical patent/DK476189D0/da
Publication of DK476189A publication Critical patent/DK476189A/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/52—Hydrogen sulfide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1425—Regeneration of liquid absorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1493—Selection of liquid materials for use as absorbents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/02—Preparation of sulfur; Purification
    • C01B17/04—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides
    • C01B17/05—Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by wet processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Industrial Gases (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
DK476189A 1988-09-28 1989-09-27 Fremgangsmaade til regenerering af oploesninger af chelaterede polyvalente metaller ved elektrolyse med reguleret potentiale og elektrokemisk celle til udoevelse af fremgangsmaaden DK476189A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/250,454 US4832937A (en) 1988-09-28 1988-09-28 Regeneration of chelated polyvalent metal solutions by controlled potential electrolysis

Publications (2)

Publication Number Publication Date
DK476189D0 DK476189D0 (da) 1989-09-27
DK476189A true DK476189A (da) 1990-03-29

Family

ID=22947822

Family Applications (1)

Application Number Title Priority Date Filing Date
DK476189A DK476189A (da) 1988-09-28 1989-09-27 Fremgangsmaade til regenerering af oploesninger af chelaterede polyvalente metaller ved elektrolyse med reguleret potentiale og elektrokemisk celle til udoevelse af fremgangsmaaden

Country Status (11)

Country Link
US (1) US4832937A (da)
EP (1) EP0361895B1 (da)
JP (1) JPH02169009A (da)
CN (1) CN1041575A (da)
AU (1) AU622707B2 (da)
BR (1) BR8904972A (da)
DE (1) DE68913641T2 (da)
DK (1) DK476189A (da)
MX (1) MX173771B (da)
NO (1) NO893840L (da)
ZA (1) ZA897401B (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06502349A (ja) * 1991-08-13 1994-03-17 ザ　ダウ　ケミカル　カンパニー 二酸化硫黄及び酸化窒素の同時吸収のための組成物及び方法
US5411149A (en) * 1992-08-11 1995-05-02 Arch Development Corporation Aqueous biphasic extraction process with pH and particle control
US5648054A (en) * 1995-01-31 1997-07-15 Gas Research Institute Double loop liquid-liquid H2 S removal process
US8647497B2 (en) * 2008-01-25 2014-02-11 University Of Central Florida Research Foundation, Inc. Method and system for hydrogen sulfide removal
CN102092067A (zh) * 2011-01-13 2011-06-15 中国文化遗产研究院 一种脱除海洋出水木质文物中硫铁化合物的方法
CN103537176B (zh) * 2013-10-25 2015-06-03 中国石油化工股份有限公司 克劳斯塔尾气配合吸收液电化学循环再生方法与装置
CN104262394B (zh) * 2014-07-08 2016-08-24 重庆紫光化工股份有限公司 一种双甘膦制备草甘膦的环保清洁生产方法及装置
CN109603487B (zh) * 2019-01-28 2021-09-21 烟台新瑞环保科技有限公司 一种液相氧化脱硫工艺中螯合铁催化剂的稳定剂及包含其的脱硫剂
CN111996541B (zh) * 2019-05-27 2022-01-04 中国石油天然气股份有限公司 提高氢气产率的间接硫化氢电解方法和装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443424A (en) * 1982-09-30 1984-04-17 Shell Oil Company Method of removing hydrogen sulfide from gases utilizing a polyvalent metal chelate solution and electrolytically regenerating the solution
US4443423A (en) * 1982-09-30 1984-04-17 Shell Oil Company Method of removing hydrogen sulfide from gases utilizing a polyvalent metal chelate solution and electrolytically regenerating the solution
US4436712A (en) * 1982-09-30 1984-03-13 Shell Oil Company Method of removing hydrogen sulfide from gases utilizing a polyvalent metal chelate of nitrilotriacetic acid and electrolytically regenerating the solution
US4436714A (en) * 1982-09-30 1984-03-13 Shell Oil Company Method of removing hydrogen sulfide from gases utilizing a polyvalent metal chelate of nitrilotriacetic acid and electrolytically regenerating the solution
WO1986004260A1 (en) * 1985-01-24 1986-07-31 Hoelter Heinz Process for scrubbing raw gases laden with sulphur oxides and nitrogen oxides
US4643886A (en) * 1985-12-06 1987-02-17 The Dow Chemical Company Automatic pH control in a process for removal of hydrogen sulfide from a gas

Also Published As

Publication number Publication date
EP0361895B1 (en) 1994-03-09
NO893840D0 (no) 1989-09-27
AU622707B2 (en) 1992-04-16
DE68913641D1 (de) 1994-04-14
JPH02169009A (ja) 1990-06-29
MX173771B (es) 1994-03-28
EP0361895A2 (en) 1990-04-04
NO893840L (no) 1990-03-29
EP0361895A3 (en) 1991-01-02
CN1041575A (zh) 1990-04-25
DE68913641T2 (de) 1994-06-09
US4832937A (en) 1989-05-23
DK476189D0 (da) 1989-09-27
ZA897401B (en) 1991-05-29
AU4234689A (en) 1990-04-05
BR8904972A (pt) 1990-05-08

Similar Documents

Publication Publication Date Title
DK327383D0 (da) Fremgangsmade til overtraekning af en genstand med et polymert overtraek, middel til brug ved udoevelse af fremgangsmaden og ved fremgangsmaden overtrukken genstand
DK478287D0 (da) Erythropoietin, fremgangsmaade til fremstilling deraf og celle til brug ved udoevelse af fremgangsmaaden
GB2180252B (en) Recording liquid and recording method by use thereof
BR8203455A (pt) Celula eltroquimica
DK263586D0 (da) Fremgangsmaade til overvaagning af sporbestanddele i galvaniske bade
FR2632455B1 (fr) Electrolyte solide polymerique
IT1186735B (it) Agente gelificante per celle
NO864898L (no) Elektroder for anvendelse i elektrokjemiske prosesser og fremgangsmaate for fremstilling derav.
IT1153916B (it) Pastiglie d'assorbimento di neutroni aventi microstruttura modificata
DK476189A (da) Fremgangsmaade til regenerering af oploesninger af chelaterede polyvalente metaller ved elektrolyse med reguleret potentiale og elektrokemisk celle til udoevelse af fremgangsmaaden
GB2036307B (en) Method for the determination of biological substances by diffusion in a porous matrix or by electrophoriesis
BE864913A (fr) Procede et dispositif de determination electrochimique de metaux lourds dans l'eau
AU516293B2 (en) Method for increasing the hydrogen sulphide concentration in an acid gas
DE3682071D1 (de) Saegeverfahren und anordnung zu dessen verwendung.
DK152990D0 (da) Katode til brug i en elektrolytisk celle og fremgangsmaade til fremstilling af samme
DK445187A (da) Apparat til undersoegelse af fejl i materialer, isaer i stoebegods
PT82748A (de) Bleiakkumulator mit einem thixotropen gel als elektrolyt und verfahren zu seiner herstellung
DK399485D0 (da) Fremgangsmaade ved undersoegelse med ultralyd og ultralyd-leder til brug ved udoevelse af fremgangsmaaden
DK66886A (da) Fremgangsmaade til formindskelse af korrosion i elektrokemiske elementer
DK311785D0 (da) Fremgangsmaade til formindskelse af korrosion i elektrokemiske elementer
DK382286D0 (da) Elektrokemisk celle og fremgangsmaade til fremstilling af samme
DK293486A (da) Harmonisk drev med organer til formindskelse af efterloebet
BE884655A (fr) Procede de determination analytique de cyanure d'hydrogene dans les gaz
DK228389A (da) Lukket elektrokemisk celle
DK163195C (da) Fremgangsmaade til radioaktiv maerkning af blodceller, oploesning til brug ved fremgangsmaaden, fremgangsmaade til fremstilling af oploesningen, og saet til radioaktiv maerkning af blodceller

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment