KR102201805B1 - 금속을 처리하는 방법 - Google Patents

금속을 처리하는 방법 Download PDF

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Publication number
KR102201805B1
KR102201805B1 KR1020167009701A KR20167009701A KR102201805B1 KR 102201805 B1 KR102201805 B1 KR 102201805B1 KR 1020167009701 A KR1020167009701 A KR 1020167009701A KR 20167009701 A KR20167009701 A KR 20167009701A KR 102201805 B1 KR102201805 B1 KR 102201805B1
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South Korea
Prior art keywords
metal
precipitation
borate
waste
precipitate
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KR1020167009701A
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English (en)
Korean (ko)
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KR20160065867A (ko
Inventor
베사 리사넨
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글로벌 에코프로세스 서비시즈 오와이
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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/33—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by chemical fixing the harmful substance, e.g. by chelation or complexation
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/20—Agglomeration, binding or encapsulation of solid waste
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09C—RECLAMATION OF CONTAMINATED SOIL
    • B09C1/00—Reclamation of contaminated soil
    • B09C1/08—Reclamation of contaminated soil chemically
    • 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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/02—Softening water by precipitation of the hardness
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/0463—Hazardous waste
    • C04B18/0472—Waste material contaminated by heavy metals
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/18—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing mixtures of the silica-lime type
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/20—Organic substances
    • A62D2101/24—Organic substances containing heavy metals
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/40—Inorganic substances
    • A62D2101/43—Inorganic substances containing heavy metals, in the bonded or free state
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B35/00—Boron; Compounds thereof
    • C01B35/08—Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium
    • C01B35/10—Compounds containing boron and oxygen
    • C01B35/12—Borates
    • 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
    • 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
    • C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/60—Agents for protection against chemical, physical or biological attack
    • C04B2103/606—Agents for neutralising Ca(OH)2 liberated during cement hardening
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00034—Physico-chemical characteristics of the mixtures
    • C04B2111/00112—Mixtures characterised by specific pH values
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00767—Uses not provided for elsewhere in C04B2111/00 for waste stabilisation purposes
    • 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
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Business, Economics & Management (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Soil Sciences (AREA)
  • Civil Engineering (AREA)
  • Processing Of Solid Wastes (AREA)
  • Removal Of Specific Substances (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Sludge (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Fire-Extinguishing Compositions (AREA)
KR1020167009701A 2013-09-12 2014-09-12 금속을 처리하는 방법 Active KR102201805B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20135921A FI126049B (fi) 2013-09-12 2013-09-12 Menetelmä metallien käsittelemiseksi
FI20135921 2013-09-12
PCT/FI2014/050700 WO2015036658A1 (en) 2013-09-12 2014-09-12 A method for the treatment of metals

Publications (2)

Publication Number Publication Date
KR20160065867A KR20160065867A (ko) 2016-06-09
KR102201805B1 true KR102201805B1 (ko) 2021-01-12

Family

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Application Number Title Priority Date Filing Date
KR1020167009701A Active KR102201805B1 (ko) 2013-09-12 2014-09-12 금속을 처리하는 방법

Country Status (19)

Country Link
US (1) US10214434B2 (enExample)
EP (1) EP3043874B1 (enExample)
JP (1) JP6505112B2 (enExample)
KR (1) KR102201805B1 (enExample)
CN (1) CN105873644B (enExample)
AP (1) AP2016009136A0 (enExample)
AU (1) AU2014320230B2 (enExample)
BR (1) BR112016005322B1 (enExample)
CA (1) CA2924309C (enExample)
CL (1) CL2016000592A1 (enExample)
EA (1) EA031327B1 (enExample)
ES (1) ES2915685T3 (enExample)
FI (1) FI126049B (enExample)
MX (1) MX2016003153A (enExample)
PE (1) PE20160472A1 (enExample)
PL (1) PL3043874T3 (enExample)
PT (1) PT3043874T (enExample)
UA (1) UA122664C2 (enExample)
WO (1) WO2015036658A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10450668B2 (en) 2017-04-11 2019-10-22 Savannah River Nuclear Solutions, Llc Development of a passivated stainless steel surface
AU2018351667B2 (en) * 2017-10-20 2023-08-31 HMR Solutions, Inc. Method and reagent system for remediating mine waste and other solid waste contaminated with heavy metals
CN107570528A (zh) * 2017-10-31 2018-01-12 青岛理工大学 一种飞灰稳定化装置
EP4141891A1 (en) * 2021-08-31 2023-03-01 EPSE Oy A method for reducing radioactivity from an aqueous dispersion
CN113788520A (zh) * 2021-10-08 2021-12-14 北京首钢吉泰安新材料有限公司 一种铁铬铝酸洗的工艺及废水处理方法和废水处理装置
CN115121575B (zh) * 2022-06-27 2023-11-24 中国矿业大学 一种煤矸石基活性粉体制备及固化核素Se的方法
CN116550730B (zh) * 2022-09-27 2025-06-20 洛阳理工学院 一种挥发凝聚去除二次铝灰中氟化物危废工业化分离方法
CN115786733A (zh) * 2022-11-15 2023-03-14 四川思达能环保科技有限公司 从含锂液体矿产中分离锂与金属杂质的方法及设备

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126352A (en) 1958-12-31 1964-03-24 Certificate of correction
US3641972A (en) 1970-09-29 1972-02-15 Collins Radio Co Probe assembly
US4687373A (en) 1986-05-21 1987-08-18 Lopat Industries, Inc. Composition to encapsulate toxic metal and/or organic pollutants from wastes
MX171672B (es) * 1988-07-19 1993-11-10 Safe Waste Systems Inc Composicion para encapsular cromo, arsenico y otros metales toxicos presentes en desechos y procedimiento para tratar los mismos
US5037479A (en) * 1990-04-20 1991-08-06 Rmt, Inc. Method for reduction of heavy metal leaching from hazardous waste under acidic and nonacidic conditions
US5630785A (en) * 1995-03-15 1997-05-20 Hydromex Inc. Process for the treatment of waste products
US5545805A (en) 1995-06-07 1996-08-13 Chesner Engineering, Pc Enhanced stabilization of lead in solid residues using acid oxyanion and alkali-metal carbonate treatment
AT404723B (de) 1997-04-09 1999-02-25 Holderbank Financ Glarus Verfahren zur herstellung von sulfatzement oder sulfatzementzuschlagstoffen
JP3608069B2 (ja) * 1997-08-01 2005-01-05 月島機械株式会社 焼却灰類の処理方法
JPH1199370A (ja) 1997-09-29 1999-04-13 Nippon Kayaku Co Ltd 重金属含有廃棄物用処理剤及び重金属含有廃棄物の安定化処理法
AT407263B (de) 1999-04-22 2001-02-26 Holderbank Financ Glarus Verfahren zum aufarbeiten von stahlschlacken
DE10231308C5 (de) 2002-07-10 2009-10-15 Cmi Uvk Gmbh Verfahren und Vorrichtung zum Recyceln von Edelstahl-Beizbädern
FR2843745B1 (fr) * 2002-08-23 2006-02-17 Centre Nat Rech Scient Elimination des ions metalliques des effluents aqueux
US7220394B2 (en) * 2002-10-30 2007-05-22 Council Of Scientific And Industrial Research Process for simultaneous recovery of chromium and iron from chromite ore processing residue
CN100430325C (zh) * 2003-01-31 2008-11-05 出光兴产株式会社 处理含有难分解有害物的废水的方法
CN1238149C (zh) 2003-07-09 2006-01-25 中山大学 一种激光焊接吸收薄膜
WO2005097368A1 (en) * 2004-04-08 2005-10-20 Newearth Pte Ltd Method for waste stabilisation and products obtained therefrom
US7419604B1 (en) 2004-12-29 2008-09-02 University Of Kentucky Research Foundation Use of boron compounds to precipitate uranium from water
JP2010529281A (ja) 2007-06-12 2010-08-26 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー ホウ素含有化合物とクロルヘキシジンとの混合物を含有する電着浴
US9512012B2 (en) 2007-12-08 2016-12-06 Comsats Institute Of Information Technology Sonoelectrolysis for metal removal
FI124262B (fi) * 2012-11-16 2014-05-30 Global Ecoprocess Services Oy Menetelmä metallien talteenottamiseksi

Also Published As

Publication number Publication date
WO2015036658A1 (en) 2015-03-19
CL2016000592A1 (es) 2016-09-02
AU2014320230B2 (en) 2017-11-30
CA2924309C (en) 2021-02-16
US20160229721A1 (en) 2016-08-11
EP3043874A1 (en) 2016-07-20
EA201690575A1 (ru) 2016-07-29
CN105873644A (zh) 2016-08-17
KR20160065867A (ko) 2016-06-09
AU2014320230A1 (en) 2016-05-05
PL3043874T3 (pl) 2022-07-11
FI20135921L (fi) 2015-03-13
JP6505112B2 (ja) 2019-04-24
ES2915685T3 (es) 2022-06-24
JP2016533262A (ja) 2016-10-27
UA122664C2 (uk) 2020-12-28
EP3043874B1 (en) 2022-03-09
AP2016009136A0 (en) 2016-04-30
CN105873644B (zh) 2021-03-09
FI126049B (fi) 2016-06-15
PT3043874T (pt) 2022-06-02
PE20160472A1 (es) 2016-05-11
BR112016005322B1 (pt) 2021-10-13
US10214434B2 (en) 2019-02-26
EP3043874A4 (en) 2017-05-17
CA2924309A1 (en) 2015-03-19
EA031327B1 (ru) 2018-12-28
BR112016005322A2 (enExample) 2017-08-01
MX2016003153A (es) 2016-10-12

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