ES489471A0 - Procedimiento para mejorar la transformacion de cromo triva-lente en cenizas de curtiduria y similares - Google Patents

Procedimiento para mejorar la transformacion de cromo triva-lente en cenizas de curtiduria y similares

Info

Publication number
ES489471A0
ES489471A0 ES489471A ES489471A ES489471A0 ES 489471 A0 ES489471 A0 ES 489471A0 ES 489471 A ES489471 A ES 489471A ES 489471 A ES489471 A ES 489471A ES 489471 A0 ES489471 A0 ES 489471A0
Authority
ES
Spain
Prior art keywords
curtiduria
triva
lente
ashes
chrome
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.)
Granted
Application number
ES489471A
Other languages
English (en)
Other versions
ES8103177A1 (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.)
SACO TANNING CORP
Original Assignee
SACO TANNING CORP
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 SACO TANNING CORP filed Critical SACO TANNING CORP
Publication of ES489471A0 publication Critical patent/ES489471A0/es
Publication of ES8103177A1 publication Critical patent/ES8103177A1/es
Expired 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/02—Chemical tanning
    • C14C3/04—Mineral tanning
    • C14C3/06—Mineral tanning using chromium compounds
    • C—CHEMISTRY; METALLURGY
    • C14—SKINS; HIDES; PELTS; LEATHER
    • C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
    • C14C3/00—Tanning; Compositions for tanning
    • C14C3/32—Recovering tanning agents from leather
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/006—Wet processes
    • C22B7/007—Wet processes by acid leaching
    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/02—Working-up flue dust
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/22—Chromium or chromium compounds, e.g. chromates
    • 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
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treatment Of Sludge (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
ES489471A 1978-06-19 1980-03-12 Procedimiento para mejorar la transformacion de cromo triva-lente en cenizas de curtiduria y similares Expired ES8103177A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/916,464 US4215989A (en) 1978-06-19 1978-06-19 Process for chrome recovery from industrial waste and the like, as from chrome-ladened tannery waste, including pollution control of the same

Publications (2)

Publication Number Publication Date
ES489471A0 true ES489471A0 (es) 1981-02-16
ES8103177A1 ES8103177A1 (es) 1981-02-16

Family

ID=25437310

Family Applications (3)

Application Number Title Priority Date Filing Date
ES481686A Expired ES481686A1 (es) 1978-06-19 1979-06-19 Procedimiento para reducir los requisitos de oxegeno biologi-co en un tratamiento primario dle curtiduria.
ES489471A Expired ES8103177A1 (es) 1978-06-19 1980-03-12 Procedimiento para mejorar la transformacion de cromo triva-lente en cenizas de curtiduria y similares
ES489472A Expired ES8104419A1 (es) 1978-06-19 1980-03-12 Procedimiento para regenerar el cromo procedente de cenizas de cromo incineradas conteniendo cromo

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES481686A Expired ES481686A1 (es) 1978-06-19 1979-06-19 Procedimiento para reducir los requisitos de oxegeno biologi-co en un tratamiento primario dle curtiduria.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES489472A Expired ES8104419A1 (es) 1978-06-19 1980-03-12 Procedimiento para regenerar el cromo procedente de cenizas de cromo incineradas conteniendo cromo

Country Status (8)

Country Link
US (1) US4215989A (es)
EP (3) EP0006101A1 (es)
JP (1) JPS55758A (es)
AR (1) AR219152A1 (es)
BR (1) BR7903838A (es)
CA (1) CA1121527A (es)
ES (3) ES481686A1 (es)
IN (1) IN155005B (es)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340571A (en) * 1978-06-19 1982-07-20 Saco Tanning Division Of Kirstein Leather Co. Process for chrome recovery from industrial waste and the like, as from chrome-ladened tannery waste
US4332584A (en) * 1979-04-20 1982-06-01 Systems Consultants, Inc. Recovery of potential energy and chromium values from leather tannery wastes
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
JPS6231578U (es) * 1985-08-12 1987-02-25
US4821653A (en) * 1986-02-20 1989-04-18 Jones Bradford H Process and apparatus for fixing, encapsulating, stabilizing and detoxifying heavy metals and the like in metal-containing sludges, soils, ash and similar materials
US4781944A (en) * 1986-02-20 1988-11-01 Jones Bradford H Process and apparatus for fixing, encapsulating, stabilizing and detoxifying heavy metals and the like in metal-containing sludges, soils, ash and similar materials
US5250274A (en) * 1990-04-26 1993-10-05 Bayer Aktiengesellschaft Process for the production of sodium dichromate
US5066698A (en) * 1990-05-10 1991-11-19 E. I. Du Pont De Nemours And Company Coating composition of an acrylic polymer, a crosslinking agent and a silane oligomer
US7029553B1 (en) 1992-07-24 2006-04-18 Peach State Labs, Inc. Urea sulfate and urea hydrochloride in paper and pulp processing
RU2182930C1 (ru) * 2001-07-02 2002-05-27 Общество с ограниченной ответственностью "Курская кожа" Способ дехромирования кожевенных отходов
RU2182931C1 (ru) * 2001-07-02 2002-05-27 Общество с ограниченной ответственностью "Курская кожа" Способ дехромирования кожевенных отходов
RU2404259C1 (ru) * 2010-01-11 2010-11-20 Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный университет технологии и дизайна" (СПГУТД) Способ регенерации отработанных растворов хромового дубления
CN102303940B (zh) * 2011-08-22 2013-06-05 陕西科技大学 一种处理含三价铬污泥的方法
CN103374634A (zh) * 2012-04-19 2013-10-30 咸阳银河无机材料有限公司 一种能够去除和防止皮革中生成六价铬的助剂及制备方法
CN103215453B (zh) * 2013-04-08 2015-03-11 山东国大黄金股份有限公司 一种清洁利用含砷废水处理废渣的方法
CN103667545A (zh) * 2013-12-27 2014-03-26 山东华升化工科技有限公司 一种利用铬污泥制备自碱化铬鞣剂的制备方法
CN104150570B (zh) * 2014-07-22 2015-12-09 中南大学 一种从含铬废液中提取铬的方法
CN104946821B (zh) * 2015-05-29 2017-03-08 兴业皮革科技股份有限公司 一种解决天然皮革中六价铬超标问题的方法
CN114517261B (zh) * 2021-12-06 2023-04-25 生态环境部华南环境科学研究所 一种电镀污泥中铬元素选择性提取回收方法及其装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA489123A (en) * 1952-12-23 W. Binns Frederick Method of making chrome-tanning baths
GB568883A (en) * 1941-07-05 1945-04-25 Marvin J Udy Improvements in chromium recovery
US2766098A (en) * 1952-11-19 1956-10-09 Diamond Alkali Co Method of obtaining a chromiumcontaining tanning substance
DE955806C (de) * 1953-09-08 1957-01-10 Diamond Alkali Co Verfahren zur Herstellung eines basisches Chromsulfat enthaltenden Gerbsalzgemisches
GB1186439A (en) * 1966-07-12 1970-04-02 Bayer Ag Alkali Treatment of Chromium Ores
CA989079A (en) * 1971-05-17 1976-05-11 Toru Yoshii Process for treating waste water
US3852059A (en) * 1972-03-09 1974-12-03 Allied Chem Process for the production of sodium chromate from chromite ore
US3816095A (en) * 1972-03-09 1974-06-11 Allied Chem Method for recovering chromium values from chromite ore
US3822993A (en) * 1972-04-07 1974-07-09 Revere Copper & Brass Inc Production of chrome tanning composition from waste chromium-copper pickling liquor
US3819799A (en) * 1972-05-11 1974-06-25 Bauer Eng Inc Chromium extraction
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
JPS5122281A (en) * 1974-08-20 1976-02-21 Chugai Ro Kogyo Kaisha Ltd Kuromubunoganjusuru odeino shokyakushorihoho
US3937785A (en) * 1974-09-17 1976-02-10 Allied Chemical Corporation Treatment of chromium ore residues to suppress pollution
US4086319A (en) * 1976-06-09 1978-04-25 Jones Bradford H Recovery of chromium from tannery waste

Also Published As

Publication number Publication date
EP0038105A3 (en) 1982-01-13
BR7903838A (pt) 1980-02-20
EP0038106A1 (en) 1981-10-21
US4215989A (en) 1980-08-05
IN155005B (es) 1984-12-22
JPS5719160B2 (es) 1982-04-21
ES489472A0 (es) 1981-03-16
AR219152A1 (es) 1980-07-31
ES8104419A1 (es) 1981-03-16
ES481686A1 (es) 1980-06-16
EP0038105A2 (en) 1981-10-21
CA1121527A (en) 1982-04-06
EP0006101A1 (en) 1980-01-09
ES8103177A1 (es) 1981-02-16
JPS55758A (en) 1980-01-07

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