EA201691912A1 - Способ очистки высокосульфатных вод - Google Patents

Способ очистки высокосульфатных вод

Info

Publication number
EA201691912A1
EA201691912A1 EA201691912A EA201691912A EA201691912A1 EA 201691912 A1 EA201691912 A1 EA 201691912A1 EA 201691912 A EA201691912 A EA 201691912A EA 201691912 A EA201691912 A EA 201691912A EA 201691912 A1 EA201691912 A1 EA 201691912A1
Authority
EA
Eurasian Patent Office
Prior art keywords
stage
ettringite
product
sulphate
enriched
Prior art date
Application number
EA201691912A
Other languages
English (en)
Other versions
EA033672B1 (ru
Inventor
Ричард Джордж Пакстон
Original Assignee
Ричард Джордж Пакстон
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 Ричард Джордж Пакстон filed Critical Ричард Джордж Пакстон
Publication of EA201691912A1 publication Critical patent/EA201691912A1/ru
Publication of EA033672B1 publication Critical patent/EA033672B1/ru

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • 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
    • 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
    • C02F1/529—Processes or devices for preparing lime water
    • 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
    • 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F2001/007—Processes including a sedimentation step
    • 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
    • C02F2101/101—Sulfur 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
    • C02F2101/105—Phosphorus 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
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • 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
    • C02F2301/04—Flow arrangements
    • C02F2301/046—Recirculation with an external loop
    • 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

Abstract

Настоящее изобретение относится к способу очистки этих сточных вод, в частности для удаления из высокосульфатных вод сульфатов, фосфатов и растворенных металлов путем их осаждения. Способ включает стадию, на которой выделяют эттрингит. Стадию, на которой эттрингит вводят в высокосульфатную воду, где источник эттрингита используют вместо или в дополнение к извести и/или материалам, содержащим кальций и/или гидроксид. Две стадии, на которых извлекают выделившиеся осадки. Стадию, в течение которой выделившиеся осадки разъединяют на продукт, обогащенный гидроксидом алюминия, и продукт, содержащий гипс. Стадию, на которой часть или весь продукт, обогащенный гидроксидом алюминия, повторно направляют на стадию введения эттрингита в высокосульфатную воду.
EA201691912A 2014-04-22 2015-04-20 Способ очистки высокосульфатных вод EA033672B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1407101.3A GB201407101D0 (en) 2014-04-22 2014-04-22 New process for the treatment of high sulphate waters
PCT/IB2015/052870 WO2015162540A1 (en) 2014-04-22 2015-04-20 Process for the treatment of high sulphate waters

Publications (2)

Publication Number Publication Date
EA201691912A1 true EA201691912A1 (ru) 2017-06-30
EA033672B1 EA033672B1 (ru) 2019-11-14

Family

ID=50929048

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201691912A EA033672B1 (ru) 2014-04-22 2015-04-20 Способ очистки высокосульфатных вод

Country Status (8)

Country Link
US (1) US10479715B2 (ru)
EP (1) EP3134359B1 (ru)
AP (1) AP2016009497A0 (ru)
AU (1) AU2015249521B2 (ru)
CA (1) CA2946478C (ru)
EA (1) EA033672B1 (ru)
GB (1) GB201407101D0 (ru)
WO (1) WO2015162540A1 (ru)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2016297288B2 (en) * 2015-07-22 2021-04-22 Mintek Improved effluent treatment process for sulphate removal
US10710911B2 (en) * 2015-07-22 2020-07-14 Mintek Effluent treatment process—pH refinement for sulphate removal
CN106336059B (zh) * 2016-10-19 2019-06-14 泰州瑞世特新材料有限公司 磷酸酯阻燃剂生产工艺废水的处理方法
CA3076461A1 (en) * 2017-09-20 2019-03-28 Smr Technologies Limited New process for the treatment of high sulphate waters
CN107673514A (zh) * 2017-11-14 2018-02-09 上海电力学院 硫酸根去除与污泥资源化利用的废水处理系统及处理方法
JP6986226B2 (ja) 2017-12-27 2021-12-22 三菱マテリアル株式会社 廃水の処理方法
JP6970917B2 (ja) * 2017-12-27 2021-11-24 三菱マテリアル株式会社 廃水の処理方法
WO2021028621A1 (en) * 2019-08-15 2021-02-18 Teknologian Tutkimuskeskus Vtt Oy Use of secondary aluminium in precipitation of sulphate from waste water
CN113387467A (zh) * 2021-05-14 2021-09-14 山东科技大学 一种利用氯碱工业固废处理酸性高氯废水的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4123885A1 (de) * 1991-07-18 1993-01-21 Linde Ag Verfahren zur reinigung von fluessigkeiten
US10189733B2 (en) * 2012-08-13 2019-01-29 Enviro Water Minerals Company, Inc. Heating system for desalination
FI126285B (en) * 2012-08-27 2016-09-15 Outotec Finland Oy Process for removing sulfate, calcium and / or other soluble metals from wastewater
US20140076822A1 (en) * 2012-09-18 2014-03-20 Hercules Incorporated Process for Filtration Enhancement of Aqueous Dispersions

Also Published As

Publication number Publication date
EP3134359B1 (en) 2018-11-14
US10479715B2 (en) 2019-11-19
CA2946478C (en) 2019-01-15
CA2946478A1 (en) 2015-10-29
AP2016009497A0 (en) 2016-10-31
AU2015249521A1 (en) 2016-10-27
GB201407101D0 (en) 2014-06-04
WO2015162540A1 (en) 2015-10-29
EA033672B1 (ru) 2019-11-14
US20170036936A1 (en) 2017-02-09
AU2015249521B2 (en) 2019-05-02
EP3134359A1 (en) 2017-03-01

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG TJ TM RU