RU2010153767A - WASTE WATER TREATMENT METHOD - Google Patents
WASTE WATER TREATMENT METHOD Download PDFInfo
- Publication number
- RU2010153767A RU2010153767A RU2010153767/05A RU2010153767A RU2010153767A RU 2010153767 A RU2010153767 A RU 2010153767A RU 2010153767/05 A RU2010153767/05 A RU 2010153767/05A RU 2010153767 A RU2010153767 A RU 2010153767A RU 2010153767 A RU2010153767 A RU 2010153767A
- Authority
- RU
- Russia
- Prior art keywords
- aluminum
- solution
- precipitate
- sodium hydroxide
- temperature
- Prior art date
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Water Treatment By Sorption (AREA)
- Removal Of Specific Substances (AREA)
Abstract
1. Способ очистки сточных вод от растворенных примесей, предусматривающий введение порошкообразного сорбента, отличающийся тем, что в качестве сорбента используют мелкодисперсный алюминийсодержащий порошок, полученный из алюминийсодержащего сырья, являющегося отходом при травлении алюминиевой ленты в производстве алюминиевых конструкций, путем обработки алюминийсодержащего сырья 3-7%-ным раствором гидроксида натрия при температуре 72-80°C при соотношении алюминийсодержащего сырья к раствору гидроксида натрия по массе от 1:2 до 1:3 в течение 3-5 ч, фильтрование с получением осадка гидроксида алюминия и содержащего алюминат натрия фильтрата, смешивание фильтрата с 1-2 М раствором серной кислоты до получения pH 6,4-7,4, фильтрование с получением осадка гидроксида алюминия, промывание полученного осадка водой от ионов натрия, его сушку в сушильном шкафу до температуры 180-200°C при скорости нагрева 10-20° С/ч, прокаливание в муфельной печи в течение 5-5,5 ч до 450-475°C, при скорости нагрева 50° С/ч, обработку полученного порошкообразного оксида алюминия водным раствором ПАВ ОП-10 с концентрацией 0,019-0,022% при температуре 39-41°C в соотношении оксида алюминия и раствора ПАВ 1:10 в течение 10-12 мин и высушивание при комнатной температуре, при этом полученный мелкодисперсный алюминий содержащий порошок вводят в сточную воду в количестве от 1,7 до 4 мг/дм3 сточной воды с последующим отстаиванием в течение 20-25 мин и отделением очищенной воды. ! 2. Способ по п.1, отличающийся тем, что осадок - часть шлама, не растворившегося в гидроксиде натрия, полученный на стадии фильтрования после обработки алюминийсодержащего сырья раствором гидроксида натрия в� 1. The method of purification of wastewater from dissolved impurities, involving the introduction of a powdered sorbent, characterized in that as a sorbent use finely dispersed aluminum-containing powder obtained from aluminum-containing raw materials, which is a waste from the etching of aluminum tape in the production of aluminum structures, by processing aluminum-containing raw materials 3-7 % solution of sodium hydroxide at a temperature of 72-80 ° C with a ratio of aluminum-containing raw materials to a solution of sodium hydroxide by weight from 1: 2 to 1: 3 3-5 hours, filtering to obtain a precipitate of aluminum hydroxide and a sodium aluminate-containing filtrate, mixing the filtrate with a 1-2 M solution of sulfuric acid to obtain a pH of 6.4-7.4, filtering to obtain a precipitate of aluminum hydroxide, washing the precipitate with water from sodium ions, drying it in an oven to a temperature of 180-200 ° C at a heating rate of 10-20 ° C / h, calcining in a muffle furnace for 5-5.5 hours to 450-475 ° C, at a heating rate of 50 ° C / h, processing the obtained alumina powder with an aqueous solution of surfactant OP-10 with a concentration of 0 , 019-0.022% at a temperature of 39-41 ° C in the ratio of alumina and surfactant solution 1:10 for 10-12 minutes and drying at room temperature, while the resulting finely divided aluminum containing powder is introduced into waste water in an amount of 1, 7 to 4 mg / dm3 of wastewater, followed by settling for 20-25 minutes and separation of purified water. ! 2. The method according to claim 1, characterized in that the precipitate is part of the sludge that is not dissolved in sodium hydroxide, obtained at the filtration stage after processing the aluminum-containing raw material with a solution of sodium hydroxide in
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2010153767/05A RU2479492C2 (en) | 2010-12-28 | 2010-12-28 | Method of treating waste water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2010153767/05A RU2479492C2 (en) | 2010-12-28 | 2010-12-28 | Method of treating waste water |
Publications (2)
Publication Number | Publication Date |
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RU2010153767A true RU2010153767A (en) | 2012-07-10 |
RU2479492C2 RU2479492C2 (en) | 2013-04-20 |
Family
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Family Applications (1)
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RU2010153767/05A RU2479492C2 (en) | 2010-12-28 | 2010-12-28 | Method of treating waste water |
Country Status (1)
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RU (1) | RU2479492C2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114870793A (en) * | 2022-06-06 | 2022-08-09 | 中海油天津化工研究设计院有限公司 | Aromatic hydrocarbon adsorbent for high sulfur-nitrogen raw oil and preparation method thereof |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2693760C1 (en) * | 2019-04-03 | 2019-07-04 | Федеральное государственное бюджетное научное учреждение "Российский научно-исследовательский институт проблем мелиорации" (ФГБНУ "РосНИИПМ") | Method of preparation waste waters of beet sugar production plants for agricultural use |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4009249A1 (en) * | 1990-03-22 | 1991-09-26 | Pyrolyse Kraftanlagen Pka | Filter medium for purificn. of effluent waters etc. |
RU2136599C1 (en) * | 1998-07-20 | 1999-09-10 | Иркутский государственный технический университет | Method of purification of sewage |
RU2282493C1 (en) * | 2005-05-24 | 2006-08-27 | Государственное образовательное учреждение высшего профессионального образования Воронежская государственная технологическая академия | Modified sorbent preparation process |
RU2005139075A (en) * | 2005-12-14 | 2007-06-20 | Государственное образовательное учреждение высшего профессионального образовани Воронежска государственна технологическа академи (RU) | METHOD FOR SEWAGE TREATMENT OF MEAT INDUSTRY ENTERPRISES |
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2010
- 2010-12-28 RU RU2010153767/05A patent/RU2479492C2/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114870793A (en) * | 2022-06-06 | 2022-08-09 | 中海油天津化工研究设计院有限公司 | Aromatic hydrocarbon adsorbent for high sulfur-nitrogen raw oil and preparation method thereof |
CN114870793B (en) * | 2022-06-06 | 2024-01-16 | 中海油天津化工研究设计院有限公司 | Aromatic hydrocarbon adsorbent for high-sulfur nitrogen raw oil and preparation method thereof |
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Publication number | Publication date |
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RU2479492C2 (en) | 2013-04-20 |
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Effective date: 20141229 |