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RU2015153635A - METHOD FOR DEEP DISPOSAL OF IRON-CONTAINING WASTE - Google Patents

METHOD FOR DEEP DISPOSAL OF IRON-CONTAINING WASTE Download PDF

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Publication number
RU2015153635A
RU2015153635A RU2015153635A RU2015153635A RU2015153635A RU 2015153635 A RU2015153635 A RU 2015153635A RU 2015153635 A RU2015153635 A RU 2015153635A RU 2015153635 A RU2015153635 A RU 2015153635A RU 2015153635 A RU2015153635 A RU 2015153635A
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RU
Russia
Prior art keywords
iron
solution
biooxidation
precipitate
carried out
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Application number
RU2015153635A
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Russian (ru)
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RU2623928C2 (en
Inventor
Татьяна Викторовна Башлыкова
Евгения Александровна Аширбаева
Original Assignee
Общество с ограниченной ответственностью "НВП Центр-ЭСТАгео" (ООО "НВП Центр-ЭСТАгео")
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Priority to RU2015153635A priority Critical patent/RU2623928C2/en
Publication of RU2015153635A publication Critical patent/RU2015153635A/en
Application granted granted Critical
Publication of RU2623928C2 publication Critical patent/RU2623928C2/en

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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
    • 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
    • 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

Landscapes

  • Compounds Of Iron (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Claims (7)

1. Способ глубокой утилизации железосодержащих отходов, отличающийся тем, что полученный осаждением из серно-кислотных железосодержащих растворов горно-металлургических производств твердый сульфат железа двухвалентного Fe2SO4⋅7Н2О направляют на биоокисление с переводом железа двухвалентного в трехвалентное, затем на повышение pH раствора железа трехвалентного добавкой щелочи с получением осадка твердого сульфата железа трехвалентного и его ультразвуковую отработку с получением продукта для производства высококачественных минеральных транспарентных железооксидных пигментов.1. A method for recycling iron-containing waste deep, characterized in that the resulting precipitation from sulfuric acid solutions of iron-ore mining and metallurgical industries solid divalent iron sulfate Fe 2 SO 4 ⋅7N 2 O is directed to bio-oxidation of divalent iron to trivalent transfer, then increasing pH trivalent iron solution by adding alkali to obtain a precipitate of solid ferric sulfate and its ultrasonic testing to obtain a product for the production of high-quality minerals nyh transparent iron oxide pigments. 2. Способ по п. 1, отличающийся тем, что биоокисление ведут раствором с активным бактериальным комплексом, состоящим из культивированных на питательной среде 9К микроорганизмов Ac. ferrooxidans и Ac. Thiooxidans.2. The method according to p. 1, characterized in that the biooxidation is carried out with a solution with an active bacterial complex, consisting of Ac microorganisms cultured on a nutrient medium 9K. ferrooxidans and Ac. Thiooxidans. 3. Способ по п. 1, отличающийся тем, что биоокисление ведут раствором с активным бактериальным комплексом с начальными значениями концентрации клеток микроорганизмов 106-107 в 1 мл, pH 1,8-2,0, Eh 640-680 мВ, температуры 23-32°С.3. The method according to p. 1, characterized in that the biooxidation is carried out with a solution with an active bacterial complex with initial values of the concentration of microorganism cells 10 6 -10 7 in 1 ml, pH 1.8-2.0, Eh 640-680 mV, temperature 23-32 ° C. 4. Способ по п. 1, отличающийся тем, что биоокисление ведут в непрерывном чановом режиме с протоком при атмосферном давлении в течение 12-50 ч при средней скорости окисления 1-1,5 г/л в час.4. The method according to p. 1, characterized in that the biooxidation is carried out in a continuous tank mode with a channel at atmospheric pressure for 12-50 hours at an average oxidation rate of 1-1.5 g / l per hour. 5. Способ по п. 1, отличающийся тем, что значение pH раствора железа трехвалентного повышают щелочью до 2,8-3,5 с получением осадка твердого сульфата железа трехвалентного со сферическими частицами размером 500-600 нм.5. The method according to p. 1, characterized in that the pH of the ferric iron solution is increased with alkali to 2.8-3.5 to obtain a precipitate of solid ferric sulfate with spherical particles of 500-600 nm in size. 6. Способ по п. 1, отличающийся тем, что в качестве щелочи для осаждения сульфата железа трехвалентного используется гидроксид натрия или гидроксид калия при удельном расходе 300-350 г на 1 кг осадка.6. The method according to p. 1, characterized in that as the alkali for the deposition of ferric sulfate, sodium hydroxide or potassium hydroxide is used at a specific flow rate of 300-350 g per 1 kg of sediment. 7. Способ по п. 1, отличающийся тем, что полученный железосодержащий осадок подвергают ультразвуковой обработке в течение 20-100 с со снижением размеров частиц до 20-50 нм и повышением удельной площади поверхности.7. The method according to p. 1, characterized in that the obtained iron-containing precipitate is subjected to ultrasonic treatment for 20-100 s with a decrease in particle size to 20-50 nm and an increase in specific surface area.
RU2015153635A 2015-12-14 2015-12-14 Method of deep recycling iron-containing wastes RU2623928C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2015153635A RU2623928C2 (en) 2015-12-14 2015-12-14 Method of deep recycling iron-containing wastes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2015153635A RU2623928C2 (en) 2015-12-14 2015-12-14 Method of deep recycling iron-containing wastes

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RU2015153635A true RU2015153635A (en) 2017-06-15
RU2623928C2 RU2623928C2 (en) 2017-06-29

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2657489C1 (en) * 2017-05-23 2018-06-14 Валерий Константинович Ларин Method for producing iron oxide pigment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254088A (en) * 1979-03-27 1981-03-03 The United States Of America As Represented By The United States Department Of Energy Salt-soda sinter process for recovering aluminum from fly ash
US4420464A (en) * 1981-10-26 1983-12-13 Rockwell International Corporation Recovery of vanadium from carbonaceous materials
GB8626085D0 (en) * 1986-10-31 1986-12-03 Rtz Technical Services Ltd Smelting complex polymetallic sulphide materials
FR2625512A1 (en) * 1988-01-06 1989-07-07 Fassi Stephane Processes for upgrading industrial waste
RU2206626C1 (en) * 2001-10-01 2003-06-20 Белый Василий Васильевич Method of processing ash-and-slag wastes
WO2004053173A1 (en) * 2002-12-06 2004-06-24 Mitsubishi Corporation METHOD FOR RECOVERING VALUABLE METAL FROM WASTE CONTAINING V, Mo AND Ni
DE102006022780A1 (en) * 2005-06-08 2006-12-21 Sms Demag Ag Process for the reduction and / or purification of a slag containing a metal
RU2387721C1 (en) * 2008-12-30 2010-04-27 Татьяна Викторовна Башлыкова Method of processing technogenic iron-bearing sludges with valuable components

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Effective date: 20181215