BR112012001648A2 - método para tratar água residual - Google Patents

método para tratar água residual

Info

Publication number
BR112012001648A2
BR112012001648A2 BR112012001648A BR112012001648A BR112012001648A2 BR 112012001648 A2 BR112012001648 A2 BR 112012001648A2 BR 112012001648 A BR112012001648 A BR 112012001648A BR 112012001648 A BR112012001648 A BR 112012001648A BR 112012001648 A2 BR112012001648 A2 BR 112012001648A2
Authority
BR
Brazil
Prior art keywords
treating wastewater
wastewater
treating
Prior art date
Application number
BR112012001648A
Other languages
English (en)
Inventor
Yoshiaki Obayashi
Original Assignee
Mitsubishi Heavy Ind Ltd
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 Mitsubishi Heavy Ind Ltd filed Critical Mitsubishi Heavy Ind Ltd
Publication of BR112012001648A2 publication Critical patent/BR112012001648A2/pt

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
    • C02F1/58—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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/90—Regeneration or reactivation
    • B01J23/92—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • B01J38/60—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/48—Liquid treating or treating in liquid phase, e.g. dissolved or suspended
    • B01J38/64—Liquid treating or treating in liquid phase, e.g. dissolved or suspended using alkaline material; using salts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/02—Oxides; Hydroxides
    • C01G49/06—Ferric oxide [Fe2O3]
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • 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
    • 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
    • C02F2101/103—Arsenic compounds
    • 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
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH
    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Compounds Of Iron (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
BR112012001648A 2010-04-28 2011-01-20 método para tratar água residual BR112012001648A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010103001A JP2011230060A (ja) 2010-04-28 2010-04-28 廃水処理方法
PCT/JP2011/050915 WO2011135871A1 (ja) 2010-04-28 2011-01-20 廃水処理方法

Publications (1)

Publication Number Publication Date
BR112012001648A2 true BR112012001648A2 (pt) 2016-04-12

Family

ID=44861192

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012001648A BR112012001648A2 (pt) 2010-04-28 2011-01-20 método para tratar água residual

Country Status (9)

Country Link
US (1) US20120193293A1 (pt)
EP (1) EP2565164A1 (pt)
JP (1) JP2011230060A (pt)
KR (1) KR20120031087A (pt)
CN (1) CN102471107A (pt)
BR (1) BR112012001648A2 (pt)
CA (1) CA2768959A1 (pt)
RU (1) RU2012102773A (pt)
WO (1) WO2011135871A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106007069A (zh) * 2016-06-27 2016-10-12 安徽元琛环保科技股份有限公司 一种废旧脱硝催化剂再生零排放废水处理系统
CN111003701B (zh) * 2019-12-20 2022-06-24 大连博融新材料有限公司 一种钒工业废水生产掺钒磷酸铁锂的方法及掺钒磷酸铁锂
CN113135632A (zh) * 2020-01-19 2021-07-20 大唐环境产业集团股份有限公司 一种含砷废水除砷的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1012729B (zh) * 1985-04-01 1991-06-05 中国科学院长春应用化学研究所 含砷工业废水的净化方法
US5330658A (en) * 1993-03-17 1994-07-19 Westinghouse Electric Corporation Solution decontamination method using precipitation and flocculation techniques
JP2000296400A (ja) 1999-04-12 2000-10-24 Mitsubishi Heavy Ind Ltd ひ素含有汚泥の処理方法
US20050016928A1 (en) * 1999-08-06 2005-01-27 Trustees Of Stevens Institute Of Technology Apparatus and method for water treatment by a direct co-precipitation/filtration process
JP4445632B2 (ja) * 2000-02-28 2010-04-07 王子コーンスターチ株式会社 重金属捕集剤及び捕集方法
JP4019889B2 (ja) * 2002-10-16 2007-12-12 日亜化学工業株式会社 重金属含有廃液の処理方法及びそれに用いる処理剤

Also Published As

Publication number Publication date
US20120193293A1 (en) 2012-08-02
KR20120031087A (ko) 2012-03-29
CN102471107A (zh) 2012-05-23
RU2012102773A (ru) 2014-06-10
JP2011230060A (ja) 2011-11-17
CA2768959A1 (en) 2011-11-03
WO2011135871A1 (ja) 2011-11-03
EP2565164A1 (en) 2013-03-06

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 4A E 5A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2370 DE 07-06-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.