ES2040162B1 - PROCEDURE FOR PRODUCING AN AQUEOUS FERRIC SULPHATE SOLUTION. - Google Patents

PROCEDURE FOR PRODUCING AN AQUEOUS FERRIC SULPHATE SOLUTION.

Info

Publication number
ES2040162B1
ES2040162B1 ES9101345A ES9101345A ES2040162B1 ES 2040162 B1 ES2040162 B1 ES 2040162B1 ES 9101345 A ES9101345 A ES 9101345A ES 9101345 A ES9101345 A ES 9101345A ES 2040162 B1 ES2040162 B1 ES 2040162B1
Authority
ES
Spain
Prior art keywords
procedure
producing
sulphate solution
aqueous ferric
ferric sulphate
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.)
Expired - Fee Related
Application number
ES9101345A
Other languages
Spanish (es)
Other versions
ES2040162A1 (en
Inventor
William John Ferguson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tioxide Group Services Ltd
Original Assignee
Tioxide Group Services Ltd
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
Application filed by Tioxide Group Services Ltd filed Critical Tioxide Group Services Ltd
Publication of ES2040162A1 publication Critical patent/ES2040162A1/en
Application granted granted Critical
Publication of ES2040162B1 publication Critical patent/ES2040162B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/14—Sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

PROCEDIMIENTO PARA PRODUCIR UNA SOLUCION ACUOSA DE SULFATO FERRICO QUE TIENDE A SER INESTABLE CUANDO SE SOMETE A BAJAS TEMPERATURAS. SE OBTIENEN AHORA SOLUCIONES MAS ESTABLES OXIDANDO SULFATO FERROSO CON ACIDO NITRICO Y ACIDO SULFURICO SEGUIDO DEL TRATAMIENTO CON UN PEROXIDO. LOS PRODUCTOS ESTAN EXENTOS DE IONES FERROSOS Y PUEDEN TENER UN INTERVALO DEL CONTENIDO DE ACIDO LIBRE AL TIEMPO QUE PERMANECEN ESTABLES. PARTICULARMENTE UTIL COMO PEROXIDO ES PEROXIDO DE HIDROGENO.PROCEDURE FOR PRODUCING AN AQUEOUS FERRIC SULPHATE SOLUTION THAT TENDS TO BE UNSTABLE WHEN SUBMITTED TO LOW TEMPERATURES. MORE STABLE SOLUTIONS ARE NOW OBTAINED BY OXIDIZING FERROUS SULPHATE WITH NITRIC ACID AND SULFURIC ACID FOLLOWING TREATMENT WITH A PEROXIDE. THE PRODUCTS ARE FREE OF FERROUS IONS AND MAY HAVE A RANGE OF FREE ACID CONTENT WHILE THEY REMAIN STABLE. PARTICULARLY USEFUL AS PEROXIDE IS HYDROGEN PEROXIDE.

ES9101345A 1990-06-11 1991-06-05 PROCEDURE FOR PRODUCING AN AQUEOUS FERRIC SULPHATE SOLUTION. Expired - Fee Related ES2040162B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909012980A GB9012980D0 (en) 1990-06-11 1990-06-11 Oxidation process

Publications (2)

Publication Number Publication Date
ES2040162A1 ES2040162A1 (en) 1993-10-01
ES2040162B1 true ES2040162B1 (en) 1994-05-16

Family

ID=10677410

Family Applications (1)

Application Number Title Priority Date Filing Date
ES9101345A Expired - Fee Related ES2040162B1 (en) 1990-06-11 1991-06-05 PROCEDURE FOR PRODUCING AN AQUEOUS FERRIC SULPHATE SOLUTION.

Country Status (2)

Country Link
ES (1) ES2040162B1 (en)
GB (2) GB9012980D0 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9404191D0 (en) * 1994-03-04 1994-04-20 Imperial College Preparations and uses of polyferric sulphate
CN1507416A (en) * 2001-07-05 2004-06-23 谢万星 Antioxidant ferrous halide water solution and its prepn process
GB2480439A (en) 2010-05-17 2011-11-23 Tioxide Europe Ltd A process for forming ferrous sulphate monohydrate
CN111675246A (en) * 2020-06-30 2020-09-18 河南爱尔福克化学股份有限公司 Method for preparing polymeric ferric sulfate from ferrous mother liquor of titanium dioxide byproduct

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1561024A (en) * 1977-04-29 1980-02-13 Tioxide Group Ltd Production of solid ferric sulphate
DE2834460A1 (en) * 1978-08-05 1980-02-28 Giulini Chemie Solubilisation of basic ferric sulphate - from oxidn. of hydrated ferrous sulphate, by reaction with sulphuric acid giving prod. useful as sewage flocculant
GB2125020B (en) * 1982-07-24 1986-05-14 Tioxide Group Plc Oxidation of ferrous sulphate to ferric sulphate
US4707349A (en) * 1986-02-28 1987-11-17 Hjersted Norman B Process of preparing a preferred ferric sulfate solution, and product

Also Published As

Publication number Publication date
GB2246561A (en) 1992-02-05
GB9012980D0 (en) 1990-08-01
ES2040162A1 (en) 1993-10-01
GB2246561B (en) 1994-05-18
GB9110308D0 (en) 1991-07-03

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Legal Events

Date Code Title Description
FD2A Announcement of lapse in spain

Effective date: 20141120