RU2010128360A - METHOD FOR TREATING ACID WASTE WATER FROM HEAVY METAL SULPHATES - Google Patents
METHOD FOR TREATING ACID WASTE WATER FROM HEAVY METAL SULPHATES Download PDFInfo
- Publication number
- RU2010128360A RU2010128360A RU2010128360/05A RU2010128360A RU2010128360A RU 2010128360 A RU2010128360 A RU 2010128360A RU 2010128360/05 A RU2010128360/05 A RU 2010128360/05A RU 2010128360 A RU2010128360 A RU 2010128360A RU 2010128360 A RU2010128360 A RU 2010128360A
- Authority
- RU
- Russia
- Prior art keywords
- heavy metal
- stage
- waste water
- acid waste
- metal sulphates
- Prior art date
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract 3
- 238000000034 method Methods 0.000 title claims abstract 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 title claims abstract 3
- 239000002351 wastewater Substances 0.000 title claims abstract 3
- 239000002253 acid Substances 0.000 title 1
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 claims abstract 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract 2
- 230000002378 acidificating effect Effects 0.000 claims abstract 2
- 239000004571 lime Substances 0.000 claims abstract 2
- 239000008267 milk Substances 0.000 claims abstract 2
- 210000004080 milk Anatomy 0.000 claims abstract 2
- 235000013336 milk Nutrition 0.000 claims abstract 2
- 238000006386 neutralization reaction Methods 0.000 claims abstract 2
- 238000000746 purification Methods 0.000 claims abstract 2
- 238000000926 separation method Methods 0.000 claims abstract 2
- 239000010802 sludge Substances 0.000 claims abstract 2
- 238000003756 stirring Methods 0.000 claims abstract 2
- 239000000725 suspension Substances 0.000 claims abstract 2
Landscapes
- Removal Of Specific Substances (AREA)
Abstract
Способ очистки кислых сточных вод от сульфатов тяжелых металлов, включающий двухстадийную обработку с использованием на первой стадии известкового молока с последующим отделением нейтрализованной воды от осадка, отличающийся тем, что нейтрализацию осуществляют до pH 7,5-8,0, а в осветленную воду на второй стадии вводят карбонат бария и выдерживают полученную суспензию при перемешивании до превращения его в сульфат бария. The method of purification of acidic wastewater from heavy metal sulfates, comprising a two-stage treatment using lime milk in the first stage, followed by separation of the neutralized water from the sludge, characterized in that the neutralization is carried out to a pH of 7.5-8.0, and in clarified water on the second barium carbonate is introduced into the stage and the resulting suspension is maintained with stirring until it is converted to barium sulfate.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2010128360/05A RU2448054C2 (en) | 2010-07-08 | 2010-07-08 | Method of purifying acidic waste water from heavy metal sulphates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2010128360/05A RU2448054C2 (en) | 2010-07-08 | 2010-07-08 | Method of purifying acidic waste water from heavy metal sulphates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2010128360A true RU2010128360A (en) | 2012-01-20 |
| RU2448054C2 RU2448054C2 (en) | 2012-04-20 |
Family
ID=45785156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2010128360/05A RU2448054C2 (en) | 2010-07-08 | 2010-07-08 | Method of purifying acidic waste water from heavy metal sulphates |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2448054C2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114229882A (en) * | 2021-12-31 | 2022-03-25 | 山东利特纳米技术有限公司 | Comprehensive utilization method of waste sulfuric acid and washing wastewater in graphene oxide preparation process |
| CN115304204A (en) * | 2022-09-15 | 2022-11-08 | 中国科学院青海盐湖研究所 | Method for deeply removing impurity ions in raw material brine for producing metal magnesium by electrolysis |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2593877C2 (en) * | 2014-11-05 | 2016-08-10 | Федеральное государственное бюджетное образовательное учреждение высшего образования Новосибирский государственный архитектурно-строительный университет (Сибстрин) | Method for cleaning discharge fluids from phosphates and sulphates |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU600092A1 (en) * | 1975-07-10 | 1978-03-30 | Государственный научно-исследовательский и проектный институт по обогащению руд цветных металлов "Казмеханобр" | Method of purifying acid water containing sulfate-ions and ions of heavy metals |
| SU981248A1 (en) * | 1980-12-08 | 1982-12-15 | Оренбургский политехнический институт | Process for purifying effluents from heavy metal ions |
| RU2010013C1 (en) * | 1991-08-02 | 1994-03-30 | Научно-производственное объединение "Радиевый институт им.В.Г.Хлопина" | Method of acid sewage treatment from heavy metal ions |
| FI115533B (en) * | 2001-06-29 | 2005-05-31 | Outokumpu Oy | Process for removing metals from aqueous solutions by lime precipitation |
-
2010
- 2010-07-08 RU RU2010128360/05A patent/RU2448054C2/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114229882A (en) * | 2021-12-31 | 2022-03-25 | 山东利特纳米技术有限公司 | Comprehensive utilization method of waste sulfuric acid and washing wastewater in graphene oxide preparation process |
| CN115304204A (en) * | 2022-09-15 | 2022-11-08 | 中国科学院青海盐湖研究所 | Method for deeply removing impurity ions in raw material brine for producing metal magnesium by electrolysis |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2448054C2 (en) | 2012-04-20 |
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| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20120709 |