EA201691912A1 - Способ очистки высокосульфатных вод - Google Patents
Способ очистки высокосульфатных водInfo
- 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
Links
Classifications
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- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
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.
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 (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2016297288B2 (en) * | 2015-07-22 | 2021-04-22 | Mintek | Improved effluent treatment process for sulphate removal |
AU2016297289B2 (en) * | 2015-07-22 | 2021-06-24 | 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***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 |
EP4382491A1 (en) * | 2022-12-08 | 2024-06-12 | Paul Scherrer Institut | Method for recovering phosphorous and metal ions from dilute aqueous feeds using cementitious adsorbents |
Family Cites Families (4)
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 |
-
2014
- 2014-04-22 GB GBGB1407101.3A patent/GB201407101D0/en not_active Ceased
-
2015
- 2015-04-20 WO PCT/IB2015/052870 patent/WO2015162540A1/en active Application Filing
- 2015-04-20 AU AU2015249521A patent/AU2015249521B2/en not_active Ceased
- 2015-04-20 EP EP15720798.6A patent/EP3134359B1/en not_active Not-in-force
- 2015-04-20 EA EA201691912A patent/EA033672B1/ru not_active IP Right Cessation
- 2015-04-20 CA CA2946478A patent/CA2946478C/en not_active Expired - Fee Related
- 2015-04-20 AP AP2016009497A patent/AP2016009497A0/en unknown
- 2015-04-20 US US15/303,973 patent/US10479715B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2946478A1 (en) | 2015-10-29 |
AP2016009497A0 (en) | 2016-10-31 |
CA2946478C (en) | 2019-01-15 |
EA033672B1 (ru) | 2019-11-14 |
AU2015249521B2 (en) | 2019-05-02 |
AU2015249521A1 (en) | 2016-10-27 |
EP3134359A1 (en) | 2017-03-01 |
GB201407101D0 (en) | 2014-06-04 |
US20170036936A1 (en) | 2017-02-09 |
US10479715B2 (en) | 2019-11-19 |
WO2015162540A1 (en) | 2015-10-29 |
EP3134359B1 (en) | 2018-11-14 |
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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 |