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AR246076A1 - Procedmineto para la produccion de cromatos alcalinos a partir de minerales de cromo, dispositivo para llevar a cabo el procedimiento y compuestos de cromo hexavalente obtenidos - Google Patents

Procedmineto para la produccion de cromatos alcalinos a partir de minerales de cromo, dispositivo para llevar a cabo el procedimiento y compuestos de cromo hexavalente obtenidos

Info

Publication number
AR246076A1
AR246076A1 AR91319656A AR31965691A AR246076A1 AR 246076 A1 AR246076 A1 AR 246076A1 AR 91319656 A AR91319656 A AR 91319656A AR 31965691 A AR31965691 A AR 31965691A AR 246076 A1 AR246076 A1 AR 246076A1
Authority
AR
Argentina
Prior art keywords
minerals
plant
preparation
alkaline
chromates
Prior art date
Application number
AR91319656A
Other languages
English (en)
Original Assignee
Stoppani Luigi 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11165074&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AR246076(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stoppani Luigi Spa filed Critical Stoppani Luigi Spa
Application granted granted Critical
Publication of AR246076A1 publication Critical patent/AR246076A1/es

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
    • C01G37/14—Chromates; Bichromates
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Fertilizers (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

PRODUCCION DE CROMATOS ALCALINOS A PARTIR DE MINERALES DE CROMO, QUE EMPLEA LA DISGREGACION OXIDANTE DE MINERALES Y/O COMPUESTOS CON CROMO TRIVALENTE, QUE ES EFECTUADA EN FASE SECA, EN PRESENCIADE ALCALIS, CALENTANDO LA MEZCLA A UNA TEMPERATURA ENTRE 500 Y 1500 *C, EN UNA ATMOSFERA CON UNA, CONCENTRACION DE OXIGENO < 8%, (REGULABLE EN FUNCION DEL TIEMPO DE PERMANENCIA DEL MATERIAL EN EL REACTOR), UTILIZANDO LOS GASES SALIENTES DEL REACTOR PARA LA ACIDIFICACION DE LA SOLUCION DE CROMATOS ALCALINOS.
AR91319656A 1990-05-09 1991-05-09 Procedmineto para la produccion de cromatos alcalinos a partir de minerales de cromo, dispositivo para llevar a cabo el procedimiento y compuestos de cromo hexavalente obtenidos AR246076A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT20242A IT1239958B (it) 1990-05-09 1990-05-09 Procedimento ed impianto per la preparazione di cromati alcalini da minerali di cromo

Publications (1)

Publication Number Publication Date
AR246076A1 true AR246076A1 (es) 1994-03-30

Family

ID=11165074

Family Applications (1)

Application Number Title Priority Date Filing Date
AR91319656A AR246076A1 (es) 1990-05-09 1991-05-09 Procedmineto para la produccion de cromatos alcalinos a partir de minerales de cromo, dispositivo para llevar a cabo el procedimiento y compuestos de cromo hexavalente obtenidos

Country Status (19)

Country Link
US (1) US5374408A (es)
EP (1) EP0527811B2 (es)
JP (1) JP2925733B2 (es)
CN (1) CN1032806C (es)
AR (1) AR246076A1 (es)
AU (1) AU646463B2 (es)
BR (1) BR9106425A (es)
DE (1) DE69116690T3 (es)
ES (1) ES2084160T5 (es)
GE (1) GEP19991529B (es)
GR (1) GR3019585T3 (es)
IT (1) IT1239958B (es)
LT (1) LT3677B (es)
LV (1) LV10942B (es)
RO (1) RO111442B1 (es)
RU (1) RU2084403C1 (es)
TR (1) TR28345A (es)
WO (1) WO1991017118A1 (es)
ZA (1) ZA913415B (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5370685A (en) * 1991-07-16 1994-12-06 Stanford Surgical Technologies, Inc. Endovascular aortic valve replacement
US5547646A (en) * 1993-06-23 1996-08-20 Bayer Aktiengesellschaft Process for the decomposition of chrome ore by alkaline oxidation
DE4333349C2 (de) * 1993-09-30 1999-03-11 Bayer Ag Verfahren zur Herstellung von Alkalichromaten aus Chromerz
IT1269994B (it) * 1993-09-30 1997-04-16 Bayer Ag Metodo per la fabbricazione di cromati alcalini da minerale di cromo
US5855601A (en) * 1996-06-21 1999-01-05 The Trustees Of Columbia University In The City Of New York Artificial heart valve and method and device for implanting the same
RU2349552C2 (ru) * 2003-01-20 2009-03-20 Общество с ограниченной ответственностью "Управляющая компания "Проммаштехнология" (ООО "Управляющая компания "Проммаштехнология") Способ получения хромата щелочного металла
US7854803B1 (en) 2005-01-11 2010-12-21 Kirkpatrick William D Composition of materials and processes of making boroncitrates to establish set times for hydraulic cements
RU2312912C2 (ru) * 2006-02-08 2007-12-20 Игорь Александрович Богданов Способ получения хромитового концентрата
RU2341574C1 (ru) * 2007-06-20 2008-12-20 Государственное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" Способ обогащения магнезиальных хромитовых руд
CN101717119B (zh) * 2009-11-23 2012-06-06 新疆沈宏集团股份有限公司 铬矿少碱焙烧生产铬酸钠的方法
CN102134098A (zh) * 2011-01-27 2011-07-27 重庆昌元化工有限公司 一种连续液相氧化反应生产铬酸盐的装置
CN102120616A (zh) * 2011-01-27 2011-07-13 重庆昌元化工有限公司 一种安全生产铬酸盐的装置
JP5636994B2 (ja) * 2011-02-04 2014-12-10 住友電気工業株式会社 亜クロム酸ナトリウムの製造方法
CN102643977B (zh) * 2011-06-09 2014-03-19 四川省银河化学股份有限公司 一种铬铁矿的熔融液相焙烧方法
RU2535254C1 (ru) * 2013-10-31 2014-12-10 Игорь Александрович Фарбер Способ комплексной переработки серпентин-хромитового рудного сырья
CN106186068B (zh) * 2016-07-06 2018-10-26 于广新 一种连续液相氧化制备铬酸盐的清洁生产方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE163814C (es)
DE171089C (es)
GB288250A (en) * 1927-04-06 1929-08-27 Bozel Maletra Prod Chimiques Improvements in the thermal disintegration of chrome ores or minerals containing chromium
DE1194148B (de) * 1963-01-26 1965-06-03 Zahn & Co G M B H Verfahren nebst Vorrichtung zum alkalischen Roesten chromoxydhaltiger Stoffe
GB1029705A (en) * 1963-06-11 1966-05-18 Pittsburgh Plate Glass Co Improvements in and relating to chromium
US3403970A (en) * 1964-06-02 1968-10-01 Union Carbide Corp Process for preparing chromates
JPS4828280B1 (es) * 1970-08-31 1973-08-30
JPS4828280A (es) * 1971-08-14 1973-04-14
US3963824A (en) * 1972-06-14 1976-06-15 Produits Chimiques Ugine Kuhlmann Process for extracting chromium from chromium ores
JPS5139200B2 (es) * 1972-07-24 1976-10-26
JPS5025884A (es) * 1973-07-10 1975-03-18
JPS5313570A (en) * 1976-07-23 1978-02-07 Toshiba Electric Equip Discharge lamp starting device
US4244925A (en) * 1979-07-20 1981-01-13 Allied Chemical Corporation Method for production of alkali metal chromates from chrome ores
NZ195142A (en) 1979-10-15 1984-09-28 Commw Scient Ind Res Org Monitoring integrity of longitudinal steel members in conveyor belts and cables
JPS5731535A (en) * 1980-08-02 1982-02-20 Rapuko Kk Manufacture of composite sheet
JPS5767026A (en) * 1980-10-02 1982-04-23 Allied Chem Manufacture of chromic acid alkali metal salt from chrome ore
JP5025884B2 (ja) 2003-07-03 2012-09-12 中国塗料株式会社 コンクリート亀裂補修用硬化性組成物
JP4828280B2 (ja) 2005-03-31 2011-11-30 株式会社クラレ 容器蓋材
JP5313570B2 (ja) 2008-07-14 2013-10-09 株式会社神戸製鋼所 永久電流スイッチ
US9233063B2 (en) 2009-12-17 2016-01-12 Air Products And Chemicals, Inc. Polymeric compositions for personal care products

Also Published As

Publication number Publication date
LTIP977A (en) 1995-04-25
US5374408A (en) 1994-12-20
IT9020242A1 (it) 1991-11-09
BR9106425A (pt) 1993-05-04
AU7746591A (en) 1991-11-27
RU2084403C1 (ru) 1997-07-20
TR28345A (tr) 1996-05-06
WO1991017118A1 (en) 1991-11-14
DE69116690T3 (de) 2006-06-08
CN1032806C (zh) 1996-09-18
ZA913415B (en) 1992-02-26
CN1057244A (zh) 1991-12-25
IT1239958B (it) 1993-11-27
ES2084160T5 (es) 2006-03-01
DE69116690D1 (de) 1996-03-07
GR3019585T3 (en) 1996-07-31
LV10942A (lv) 1995-12-20
EP0527811B2 (en) 2005-08-03
RO111442B1 (ro) 1996-10-31
EP0527811B1 (en) 1996-01-24
LT3677B (en) 1996-01-25
EP0527811A1 (en) 1993-02-24
IT9020242A0 (it) 1990-05-09
DE69116690T2 (de) 1996-08-14
JP2925733B2 (ja) 1999-07-28
GEP19991529B (en) 1999-03-05
LV10942B (en) 1996-04-20
JPH05506637A (ja) 1993-09-30
AU646463B2 (en) 1994-02-24
ES2084160T3 (es) 1996-05-01

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