AR084183A1 - Procedimiento para la produccion de oxido de cromo (iii) - Google Patents

Procedimiento para la produccion de oxido de cromo (iii)

Info

Publication number
AR084183A1
AR084183A1 ARP110104569A ARP110104569A AR084183A1 AR 084183 A1 AR084183 A1 AR 084183A1 AR P110104569 A ARP110104569 A AR P110104569A AR P110104569 A ARP110104569 A AR P110104569A AR 084183 A1 AR084183 A1 AR 084183A1
Authority
AR
Argentina
Prior art keywords
hydrolysis
value
iii
procedure
production
Prior art date
Application number
ARP110104569A
Other languages
English (en)
Inventor
Holger Friedrich
Matthias Boll
Rainer Ortmann
Original Assignee
Lanxess Deutschland Gmbh
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
Priority claimed from EP11180086A external-priority patent/EP2565162A1/de
Application filed by Lanxess Deutschland Gmbh filed Critical Lanxess Deutschland Gmbh
Publication of AR084183A1 publication Critical patent/AR084183A1/es

Links

Classifications

    • 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
    • C01G37/033—Chromium trioxide; Chromic acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G37/00—Compounds of chromium
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/34—Compounds of chromium
    • C09C1/346—Chromium oxides
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Catalysts (AREA)

Abstract

Procedimiento para la preparación de óxido de cromo(IIl) que comprende los pasos de: a) reacción de monocromato de sodio con amoníaco gaseoso, especialmente a una temperatura de 200 a 800ºC, b) hidrólisis del producto de reacción obtenido según el paso a), reduciéndose mediante un ácido el valor de pH del agua para la hidrólisis antes de la hidrólisis o el de la lejía madre alcalina durante o después de la hidrólisis a un valor de 4 a 11, preferentemente de 5 a 10, c) separación del producto de hidrólisis precipitado según el paso b), preferentemente a un valor de pH de 4 a 11, especialmente de 5 a 10 y eventualmente lavado y eventualmente secado y d) calcinación del producto de hidrólisis obtenido según el paso c) a una temperatura de 700 a 1400ºC, especialmente de 800 a 1300ºC.
ARP110104569A 2010-12-08 2011-12-06 Procedimiento para la produccion de oxido de cromo (iii) AR084183A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10194157 2010-12-08
EP11180086A EP2565162A1 (de) 2011-09-05 2011-09-05 Verfahren zur Herstellung von Chrom(III)-oxid

Publications (1)

Publication Number Publication Date
AR084183A1 true AR084183A1 (es) 2013-04-24

Family

ID=45094625

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP110104569A AR084183A1 (es) 2010-12-08 2011-12-06 Procedimiento para la produccion de oxido de cromo (iii)

Country Status (7)

Country Link
US (1) US9580333B2 (es)
EP (1) EP2649010A1 (es)
CN (1) CN103249677B (es)
AR (1) AR084183A1 (es)
RU (1) RU2591245C2 (es)
WO (1) WO2012076564A1 (es)
ZA (1) ZA201304161B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3020690A1 (de) * 2014-11-13 2016-05-18 LANXESS Deutschland GmbH Verfahren zur Reduktion von sechswertigem Chrom in oxidischen Feststoffen
CN109401438A (zh) * 2018-10-31 2019-03-01 江苏拜富科技有限公司 陶瓷喷墨用绿色颜料及其制备方法
CN110436521A (zh) * 2019-09-11 2019-11-12 攀钢集团攀枝花钢铁研究院有限公司 铬酸钠制备三氧化二铬的方法
CN113620345B (zh) * 2021-10-12 2022-03-11 中国科学院过程工程研究所 一种亚铬酸钠材料及其制备方法与应用
CN114180627B (zh) * 2021-12-22 2024-04-26 广东工业大学 一种钠离子电池正极材料及其制备方法以及钠离子电池
CN114784270B (zh) * 2022-03-05 2023-09-19 四川龙蟒磷化工有限公司 一种钠离子电池材料的制备方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1893761A (en) 1926-05-07 1933-01-10 Gen Aniline Works Inc Manufacture of chromium oxide and chromium hydroxide
US2430261A (en) 1942-01-26 1947-11-04 Marvin J Udy Production of chromium compounds
US2431075A (en) * 1945-04-02 1947-11-18 Pacific Bridge Company Production of chromium hydroxide
US2695215A (en) 1950-05-16 1954-11-23 C K Williams & Co Production of chromium oxide
GB748610A (en) 1952-07-16 1956-05-09 Diamond Alkali Co Improvements in or relating to a method for treating alkali metal chromates
DE2030510C2 (de) 1970-06-20 1982-09-16 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von schwefelarmem Chrom (III)-oxid
DE2416203A1 (de) 1974-04-03 1975-10-16 Bayer Ag Verfahren zur herstellung von schwefelarmem chrom(iii)-oxid mit verbesserten pigmenteigenschaften
US4052225A (en) 1974-04-03 1977-10-04 Bayer Aktiengesellschaft Production of low-sulfur chromium (iii) oxide pigment
DE2635086C3 (de) 1976-08-04 1980-11-06 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von schwefelarmen Chrom(III)oxid
US4230677A (en) 1978-11-30 1980-10-28 Union Carbide Corporation Recovery of Cr2 O3 from a chromium bearing solution
DE2852198A1 (de) 1977-12-05 1979-06-07 Union Carbide Corp Gewinnung von cr tief 2 o tief 3 aus einer chromhaltigen loesung
US4296076A (en) 1979-01-15 1981-10-20 British Chrome & Chemicals Ltd. Chromic oxide production
CA1314688C (en) * 1987-09-14 1993-03-23 Ian Harry Warren Stripping and recovery of dichromate in electrolytic chlorate systems
SU1623962A1 (ru) * 1989-02-17 1991-01-30 Предприятие П/Я А-7125 Способ получени смешанных оксидов хрома и алюмини
CN1103321C (zh) 2000-02-22 2003-03-19 中国科学院化工冶金研究所 清洁生产铬酸铵晶体的方法
JP3944378B2 (ja) * 2001-10-24 2007-07-11 株式会社神戸製鋼所 酸化金属塊成物の製造方法
CN1186265C (zh) * 2002-05-25 2005-01-26 民乐县化工厂 铬酸热分解连续法制造三氧化二铬的方法
CN1150132C (zh) 2002-12-02 2004-05-19 刘昌见 同时生产碱金属重铬酸盐和三氧化二铬的方法
CN1150131C (zh) 2002-12-02 2004-05-19 刘昌见 由铬酸铵碱金属复盐生产Cr2O3和碱金属重铬酸盐的方法
RU2258039C1 (ru) 2004-03-09 2005-08-10 Закрытое акционерное общество "Русский Хром 1915" Способ получения окиси хрома
CN100375717C (zh) 2005-08-02 2008-03-19 中国科学院过程工程研究所 一种用气体还原剂低温还原铬盐制备氧化铬的方法
CN101475217B (zh) 2008-01-04 2011-06-01 中国科学院过程工程研究所 一种用气体还原剂低温还原铬盐制备颜料级氧化铬绿的方法

Also Published As

Publication number Publication date
RU2591245C2 (ru) 2016-07-20
WO2012076564A1 (de) 2012-06-14
EP2649010A1 (de) 2013-10-16
CN103249677A (zh) 2013-08-14
US20140105812A1 (en) 2014-04-17
ZA201304161B (en) 2014-02-26
RU2013130866A (ru) 2015-04-10
US9580333B2 (en) 2017-02-28
CN103249677B (zh) 2016-08-17

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