CN104556324A - RE (rare earth)-PAFSS (poly-aluminum ferric sulfate silicate) and preparation method thereof - Google Patents
RE (rare earth)-PAFSS (poly-aluminum ferric sulfate silicate) and preparation method thereof Download PDFInfo
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- CN104556324A CN104556324A CN201310487457.5A CN201310487457A CN104556324A CN 104556324 A CN104556324 A CN 104556324A CN 201310487457 A CN201310487457 A CN 201310487457A CN 104556324 A CN104556324 A CN 104556324A
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- rare earth
- yttrium
- aluminum sulfate
- polymeric aluminum
- mass concentration
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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
- 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
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses RE (rare earth)-PAFSS (poly-aluminum ferric sulfate silicate) which comprises PAFSS, wherein the PAFSS is RE-PAFSS and the RE is one or a mixture of yttrium oxide, yttrium chloride and yttrium sulfate. The RE-PAFSS has the remarkable advantage of high sewage decoloration efficiency.
Description
Technical field:
The present invention relates to a kind of sewage-treating agent, particularly rare earth polymeric aluminum sulfate silicate iron and preparation method thereof.
Background technology:
The percent of decolourization of existing polymeric aluminum sulfate silicate iron when disposing of sewage decolouring only has about 60%.
Summary of the invention:
The present invention seeks to propose high rare earth polymeric aluminum sulfate silicate iron of a kind of decolorizing efficiency and preparation method thereof.
The technical scheme realizing the object of the invention is, rare earth polymeric aluminum sulfate silicate iron, comprises polymeric aluminum sulfate silicate iron, it is characterized in that: described polymeric aluminum sulfate silicate iron is rare earth polymeric aluminum sulfate silicate iron, and described rare earth is one or its mixture of yttrium oxide, Yttrium trichloride and yttrium sulfate.The method of the rare earth polymeric aluminum sulfate silicate iron described in production claim 1, it is characterized in that there are following steps: (1), the mass concentration of to be the mass concentration of 30-35% copperas solution 0.1-0.3 ton by the mass concentration of 1.2-1.8 ton be 10-30% aluminum trichloride solution and 0.2-0.3 ton is that 10-30% sodium silicate solution is uniformly mixed at normal temperatures, (2), be that 98% sulfuric acid is added drop-wise to after in above-mentioned mixed solution by the mass concentration of 50-100 kilogram, add 6-12 kilogram of yttrium element and hydrogen peroxide is oxidized, (3), 60-100 DEG C is warming up to step oxidation solution (2), react after 3-5 hour, be down to room temperature, be 3.5-4.0 with burning adjusting PH with base, make rare earth polymeric aluminum sulfate silicate iron liquid.Described yttrium element is one or its mixture of yttrium oxide, Yttrium trichloride and yttrium sulfate.
The present invention has the remarkable advantage high to sewage decoloring efficiency compared with the prior art.
Embodiment:
The mass concentration preparing the raw materials used copperas solution of rare earth polymeric aluminum sulfate silicate iron of the present invention is 30-35%, the mass concentration of aluminum chloride is 30%, the mass concentration of sodium silicate solution is 10-30%, the mass concentration of sulfuric acid is 98%, and rare earth is yttrium oxide, Yttrium trichloride or yttrium sulfate or its mixture.
Embodiment 1,
(1), by the mass concentration of 1.2 tons be 30% copperas solution, the mass concentration of 0.1 ton be the mass concentration of 30% aluminum trichloride solution and 0.2 ton be that 10% sodium silicate solution is uniformly mixed at normal temperatures, generally need 1 hour,
(2), by the mass concentration of 50 kilograms be that 98% sulfuric acid is added drop-wise to after in above-mentioned mixed solution, add 6 kilograms of yttrium oxide and appropriate hydrogen peroxide is oxidized,
(3), to step oxidation solution be (2) warming up to 60-100 DEG C, react after 3-5 hour, being down to room temperature, is 3.5-4.0 with burning adjusting PH with base, makes rare earth polymeric aluminum sulfate silicate iron liquid.
Embodiment 2,
(1), by the mass concentration of 1.5 tons be 35% copperas solution, the mass concentration of 0.15 ton be the mass concentration of 30% aluminum trichloride solution and 0.25 ton be that 20% sodium silicate solution is uniformly mixed at normal temperatures, generally need 1 hour,
(2), by the mass concentration of 80 kilograms be that 98% sulfuric acid is added drop-wise to after in above-mentioned mixed solution, add 9 kilograms of Yttrium trichlorides and appropriate hydrogen peroxide is oxidized,
(3), to step oxidation solution be (2) warming up to 60-100 DEG C, react after 3-5 hour, being down to room temperature, is 3.5-4.0 with burning adjusting PH with base, makes rare earth polymeric aluminum sulfate silicate iron liquid.
Embodiment 3,
(1), by the mass concentration of 1.8 tons be 35% copperas solution, the mass concentration of 0.2 ton be the mass concentration of 30% aluminum trichloride solution and 0.3 ton be that 30% sodium silicate solution is uniformly mixed at normal temperatures, generally need 1 hour,
(2), by the mass concentration of 100 kilograms be that 98% sulfuric acid is added drop-wise to after in above-mentioned mixed solution, add 12 kilograms of yttrium sulfates and appropriate hydrogen peroxide is oxidized,
(3), to step oxidation solution be (2) warming up to 60-100 DEG C, react after 3-5 hour, being down to room temperature, is 3.5-4.0 with burning adjusting PH with base, makes rare earth polymeric aluminum sulfate silicate iron liquid.
The treatment agent made with above-described embodiment to printing and dyeing, leather, butcher, chemical industry and pharmacy organic sewage carries out oil removing, except look and deodorizing, its removal effect can improve 10-20%.
Claims (3)
1. rare earth polymeric aluminum sulfate silicate iron, comprises polymeric aluminum sulfate silicate iron, it is characterized in that: described polymeric aluminum sulfate silicate iron is rare earth polymeric aluminum sulfate silicate iron, and described rare earth is one or its mixture of yttrium oxide, Yttrium trichloride and yttrium sulfate.
2. the method for the rare earth polymeric aluminum sulfate silicate iron described in production claim 1, is characterized in that there are following steps:
(1) the mass concentration of, by the mass concentration of 1.2-1.8 ton to be the mass concentration of 30-35% copperas solution 0.1-0.3 ton be 10-30% aluminum trichloride solution and 0.2-0.3 ton is that 10-30% sodium silicate solution is uniformly mixed at normal temperatures,
(2), by the mass concentration of 50-100 kilogram be that 98% sulfuric acid is added drop-wise to after in above-mentioned mixed solution, add 6-12 kilogram of yttrium element and hydrogen peroxide is oxidized,
(3), to step oxidation solution be (2) warming up to 60-100 DEG C, react after 3-5 hour, being down to room temperature, is 3.5-4.0 with burning adjusting PH with base, makes rare earth polymeric aluminum sulfate silicate iron liquid.
3. method of producing rare earth polymeric aluminum sulfate silicate iron as claimed in claim 2, is characterized in that:
Described yttrium element is one or its mixture of yttrium oxide, Yttrium trichloride and yttrium sulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310487457.5A CN104556324A (en) | 2013-10-18 | 2013-10-18 | RE (rare earth)-PAFSS (poly-aluminum ferric sulfate silicate) and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310487457.5A CN104556324A (en) | 2013-10-18 | 2013-10-18 | RE (rare earth)-PAFSS (poly-aluminum ferric sulfate silicate) and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104556324A true CN104556324A (en) | 2015-04-29 |
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| CN201310487457.5A Pending CN104556324A (en) | 2013-10-18 | 2013-10-18 | RE (rare earth)-PAFSS (poly-aluminum ferric sulfate silicate) and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481161A (en) * | 2009-02-23 | 2009-07-15 | 杨祺 | Method for producing rare-earth poly-ferric aluminum silicate sulfate from rare earth-containing sludge and iron-containing dust sludge |
| CN101734774A (en) * | 2009-12-31 | 2010-06-16 | 广东工业大学 | Composite flocculant and preparation method and application thereof |
| CN102583675A (en) * | 2012-03-02 | 2012-07-18 | 杨祺 | Method for producing poly-silicone sulfuric acid rare earth ferroaluminum with Byer process red mud and sludge containing rear earth |
-
2013
- 2013-10-18 CN CN201310487457.5A patent/CN104556324A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481161A (en) * | 2009-02-23 | 2009-07-15 | 杨祺 | Method for producing rare-earth poly-ferric aluminum silicate sulfate from rare earth-containing sludge and iron-containing dust sludge |
| CN101734774A (en) * | 2009-12-31 | 2010-06-16 | 广东工业大学 | Composite flocculant and preparation method and application thereof |
| CN102583675A (en) * | 2012-03-02 | 2012-07-18 | 杨祺 | Method for producing poly-silicone sulfuric acid rare earth ferroaluminum with Byer process red mud and sludge containing rear earth |
Non-Patent Citations (1)
| Title |
|---|
| 廖柳芳: ""稀土在制备水处理絮凝剂中应用"", 《环境科学导刊》, vol. 29, no. 3, 30 June 2010 (2010-06-30) * |
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Application publication date: 20150429 |