ES8202769A1 - Procedimiento continuo para eliminar valores de cromo a par-tir de aguas industriales gastadas que lo contienen y para valorizar el cromo recuperado - Google Patents

Procedimiento continuo para eliminar valores de cromo a par-tir de aguas industriales gastadas que lo contienen y para valorizar el cromo recuperado

Info

Publication number
ES8202769A1
ES8202769A1 ES502006A ES502006A ES8202769A1 ES 8202769 A1 ES8202769 A1 ES 8202769A1 ES 502006 A ES502006 A ES 502006A ES 502006 A ES502006 A ES 502006A ES 8202769 A1 ES8202769 A1 ES 8202769A1
Authority
ES
Spain
Prior art keywords
chromium
valorization
continuous process
waste waters
removal
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
Application number
ES502006A
Other languages
English (en)
Other versions
ES502006A0 (es
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.)
Luigi Stoppani SpA
Original Assignee
Luigi Stoppani SpA
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 Luigi Stoppani SpA filed Critical Luigi Stoppani SpA
Publication of ES502006A0 publication Critical patent/ES502006A0/es
Publication of ES8202769A1 publication Critical patent/ES8202769A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C01G37/02—Oxides or hydrates thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
    • C01P2006/82—Compositional purity water content
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
    • C02F2103/24—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof from tanneries
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/911—Cumulative poison
    • Y10S210/912—Heavy metal
    • Y10S210/913—Chromium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Metallurgy (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

PROCEDIMIENTO PARA ELIMINAR CROMO EN AGUAS INDUSTRIALES GASTADAS QUE LO CONTIENEN. SE REALIZA UN PRETRATAMIENTO DE LAS AGUAS INDUSTRIALES CON ACIDO ACETICO O ACETATOS ALCALINOS. EN UN REACTOR Y A UNA TEMPERATURA DE ABULLICION, SE AGREGA CONTINUAMENTE A LAS AGUAS INDUSTRIALES GASTADAS Y PRETRATADAS UN HIDRATO ALCALINO, PREFERENTEMENTE HIDRATO SODICO O POTASICO, AJUSTANDO LA VELOCIDAD DE FLUJO LIQUIDO DE FORMA QUE SE ESTABLECE EN EL AMBIENTE DE REACCION UN PH NO INFERIOR A 6,5.
ES502006A 1980-05-12 1981-05-08 Procedimiento continuo para eliminar valores de cromo a par-tir de aguas industriales gastadas que lo contienen y para valorizar el cromo recuperado Expired ES8202769A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT21975/80A IT1130595B (it) 1980-05-12 1980-05-12 Procedimento continuo per l'eleminazione di cromo da acque di rifiuto e la valrizzazione del cromo ricuperato

Publications (2)

Publication Number Publication Date
ES502006A0 ES502006A0 (es) 1982-02-16
ES8202769A1 true ES8202769A1 (es) 1982-02-16

Family

ID=11189632

Family Applications (1)

Application Number Title Priority Date Filing Date
ES502006A Expired ES8202769A1 (es) 1980-05-12 1981-05-08 Procedimiento continuo para eliminar valores de cromo a par-tir de aguas industriales gastadas que lo contienen y para valorizar el cromo recuperado

Country Status (10)

Country Link
US (2) US4401573A (es)
JP (1) JPS577291A (es)
AR (1) AR225512A1 (es)
BR (1) BR8102994A (es)
ES (1) ES8202769A1 (es)
FR (1) FR2486061A1 (es)
GB (1) GB2075480B (es)
IE (1) IE51248B1 (es)
IL (1) IL62832A (es)
IT (1) IT1130595B (es)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1130595B (it) * 1980-05-12 1986-06-18 Stoppani Luigi Spa Procedimento continuo per l'eleminazione di cromo da acque di rifiuto e la valrizzazione del cromo ricuperato
IT1156297B (it) * 1982-12-30 1987-01-28 Giovanni Tibaldi Metodo ed impianto automatico continuo per il recupero del cromo dalle acque reflue di conceria
DE3535583A1 (de) * 1985-10-05 1987-04-23 Diamalt Ag Verfahren zur rueckgewinnung von in abwaessern befindlicher essigsaeure
CA1242307A (en) * 1986-05-21 1988-09-27 Superior Plus Inc. / Superieur Plus Inc. Removal of chromium from cell liquor
CA1314688C (en) * 1987-09-14 1993-03-23 Ian Harry Warren Stripping and recovery of dichromate in electrolytic chlorate systems
US5527982A (en) * 1990-03-16 1996-06-18 Sevenson Environmental Services, Inc. Fixation and stabilization of metals in contaminated materials
US6635796B2 (en) 1990-03-16 2003-10-21 Sevenson Environmental Services, Inc. Reduction of leachability and solubility of radionuclides and radioactive substances in contaminated soils and materials
DE4125910C1 (en) * 1991-08-05 1993-02-04 Jenapharm Gmbh, O-6900 Jena, De Recovery of chromium from waste water - comprises adding base to waste water contg. trivalent chromium and organic solvent to ppte. chromium hydroxide
ES2094083B1 (es) * 1993-11-11 1997-09-01 Consejo Superior Investigacion Procedimiento para la eliminacion de cromo de residuos de tenerias.
ES2063682B1 (es) * 1993-02-11 1996-04-01 Ingenieria De Planificacion Y Procedimiento para la eliminacion de cromo de las aguas residuales de tenerias.
US5397478A (en) * 1993-08-13 1995-03-14 Sevenson Environmental Services, Inc. Fixation and stabilization of chromium in contaminated materials
US5951457A (en) * 1997-06-26 1999-09-14 Chemical Land Holdings. Inc. Method to reduce hexavelant chromium in soils, sediments, industrial waste and other contaminated materials using ascorbic acid
JP4327012B2 (ja) * 2003-05-06 2009-09-09 株式会社日本触媒 クロム系触媒の回収方法
ITPI20050035A1 (it) * 2005-04-01 2006-10-02 Luca Lemmi Procedimento per la sintesi di un concentrato in ossido di cromo ottenuto da reflui di bagni di concia al cromo ed utilizzabile principalmente come materia prima nell' industria ceramica
KR20100027110A (ko) 2007-04-27 2010-03-10 니폰 가가쿠 고교 가부시키가이샤 수산화크롬, 그의 제조 방법, 그것을 이용한 3가 크롬 함유액 및 크롬 도금 방법
US20090023965A1 (en) 2008-05-01 2009-01-22 Intevep, S.A. Dispersed metal sulfide-based catalysts
WO2010026886A1 (ja) * 2008-09-05 2010-03-11 日本化学工業株式会社 水酸化クロムの製造方法
US8636967B2 (en) * 2010-01-21 2014-01-28 Intevep, S.A. Metal recovery from hydroconverted heavy effluent
US9168506B2 (en) 2010-01-21 2015-10-27 Intevep, S.A. Additive for hydroconversion process and method for making and using same
GB2478332A (en) 2010-03-04 2011-09-07 Grimley Smith Associates Method of metals recovery from refinery residues
CN103143551B (zh) * 2013-03-28 2015-05-06 王全杰 铬革屑原形态脱铬的方法及其产物在生产肥料方面的应用
CN104108754B (zh) * 2014-07-31 2015-06-24 三峡大学 一种利用含铬废液制备纳米Cr2O3的方法
WO2016041029A1 (en) * 2014-09-17 2016-03-24 Essencis Soluções Ambientais S.A. Regeneration process of leather protein and chrome recovery from tannery waste
CN105016387B (zh) * 2015-07-20 2017-09-15 中国科学院过程工程研究所 一种铬盐泥的处理方法
TW202035019A (zh) 2018-11-13 2020-10-01 瑞士商克萊瑞特國際股份有限公司 氧化鋁上含鉻之脫氫觸媒及其製備與使用之方法
CN110078254A (zh) * 2019-04-28 2019-08-02 周丹丹 一种利用含铬废水废液制备含铬耐高温材料的方法
EP4008691B1 (de) * 2020-12-02 2024-04-24 TFL Ledertechnik GmbH Entfernung von gelösten cr(iii)-verbindungen aus verbrauchten gerbflotten
CN114622104B (zh) * 2022-03-21 2023-09-19 四川省银河化学股份有限公司 一种提钒废水中钒铬资源化利用的方法
CN114772857B (zh) * 2022-04-24 2023-05-23 上海聚丰热镀锌有限公司 一种含铬废液处理工艺

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065095A (en) * 1959-08-26 1962-11-20 Nat Distillers Chem Corp Process for preparing chromium oxide
US3869386A (en) * 1972-10-24 1975-03-04 Schlage Lock Co Removal of heavy metal ions from plating wastes
US3950131A (en) * 1973-06-20 1976-04-13 Hoffmann-Stafford Tanning Co. Continuous method for reclaiming chromium hydroxide from spent chrome tanning liquors and re-use thereof in subsequent tanning
US4204973A (en) * 1974-08-06 1980-05-27 John Cunningham Treatment composition for use in chrome removal and recovery
US3969246A (en) * 1974-08-06 1976-07-13 John Cunningham Chromium removal and recovery process
CA1072412A (en) * 1976-02-13 1980-02-26 Cunningham, John Chrome removal and recovery
NL7802123A (nl) * 1978-02-25 1979-08-28 Akzo Nv Werkwijze voor het verwijderen van zware metalen uit waterige stoffen.
US4260491A (en) * 1978-11-15 1981-04-07 Amchem Products, Inc. Chrome removal waste treatment process
IT1130595B (it) * 1980-05-12 1986-06-18 Stoppani Luigi Spa Procedimento continuo per l'eleminazione di cromo da acque di rifiuto e la valrizzazione del cromo ricuperato

Also Published As

Publication number Publication date
IE51248B1 (en) 1986-11-12
US4401573A (en) 1983-08-30
IL62832A0 (en) 1981-07-31
AR225512A1 (es) 1982-03-31
US4560546A (en) 1985-12-24
ES502006A0 (es) 1982-02-16
FR2486061A1 (fr) 1982-01-08
JPS577291A (en) 1982-01-14
IT8021975A0 (it) 1980-05-12
FR2486061B1 (es) 1985-03-29
IL62832A (en) 1984-06-29
BR8102994A (pt) 1982-02-02
IE811039L (en) 1981-11-12
JPH0131435B2 (es) 1989-06-26
GB2075480B (en) 1984-04-04
IT1130595B (it) 1986-06-18
GB2075480A (en) 1981-11-18

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970401