CN101891272A - Sewage purification agent and preparation process thereof - Google Patents
Sewage purification agent and preparation process thereof Download PDFInfo
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- CN101891272A CN101891272A CN 201010256630 CN201010256630A CN101891272A CN 101891272 A CN101891272 A CN 101891272A CN 201010256630 CN201010256630 CN 201010256630 CN 201010256630 A CN201010256630 A CN 201010256630A CN 101891272 A CN101891272 A CN 101891272A
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- slag
- ferric sulfate
- bodied ferric
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- purification agent
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Abstract
The invention relates to a sewage purification agent, in particular to a sewage purification agent for treating sewage containing phenol, heavy metal, suspended matters, radioactive substances and other contaminations and a preparation process thereof. The sewage purification agent is prepared from the following materials by weight percent; 85-95% of steel slag and 5-15% of polymeric ferric sulfate, wherein the finished agent is in the form of particles, the particle size of the steel slag is no bigger than 80 meshes, and the particle size of the polymeric ferric sulfate is no bigger than 100 meshes. The preparation process comprises the following steps: hydrolyzing the steel slag, drying, stoving, pulverizing, screening, pulverizing the polymeric ferric sulfate, screening, proportioning and compounding. The invention not only provides a new method for treating metallurgical wastes, but also creates a new process for producing the sewage purification agent. The sewage purification agent has multiple functions of adsorption, flocculation, filtration and decoloration, is especially applicable to treatment and purification of sewage containing phenol, heavy metal, suspended matters, radioactive substances and other contaminations, and has the advantages of simple production process, sufficient material resources and low production cost.
Description
Technical field
The present invention relates to purifying agent for polluted water, particularly a kind of processing contains the purifying agent for polluted water and the preparation technology thereof of pollutent sewage such as phenol, heavy metal, suspended substance, radioactive substance.
Background technology
At present, the main method of sewage disposal has two big classes: the one, and physico-chemical process, i.e. Coagulation Method; The 2nd, biochemical process.Physico-chemical process is effective to removing colourity, heavy metal etc.; Biochemical process has good removal effect to organic pollutant and nitrogen, phosphorus.Purifying agent for polluted water commonly used in the physico-chemical process mostly is Chemicals, and material is generally comparatively expensive, causes sewage work's operation cost too high.Efficiently, cheapness, both adapted to existing sewage treatment process, possess absorption, flocculation again simultaneously and filter multi-functional, and material source widely novel sewage purifying agent become society and enterprise expects.
Summary of the invention
The present invention is intended to solve the problem of the existing expensive operation of sewage purification, is the novel sewage purifying agent and the preparation technology thereof of main raw material with the trade waste slag and provide a kind of.
The technical solution used in the present invention is:
A kind of purifying agent for polluted water, it is that the raw material configuration forms with slag, bodied ferric sulfate, and the finished product form is microgranular, and its feed composition is by weight percentage: slag 85-95%, granularity is not more than 80 orders; Bodied ferric sulfate 5-15%, granularity is not more than 100 orders.
The preparation technology of above-mentioned purifying agent for polluted water, carry out as follows:
A. slag hydrolysis:
Slag is pressed slag weight ratio spray 4-8% water after removal of impurities, fragmentation, deironing, carry out hydrolysis in 48-96 hour, can enter next process after reaching rock steady structure;
B. slag drying:
The oven dry of step a gained rock steady structure slag, bake out temperature 50-80 ℃;
C. slag grinds, sieves:
The dry slag of step b gained grinds after automatic gradation sizing enters slag batching feed bin through airflow milling;
D. bodied ferric sulfate grinds, sieves:
Bodied ferric sulfate grinds after automatic gradation sizing enters bodied ferric sulfate batching feed bin through airflow milling;
E. prepare burden:
Select slag, the raw material umber of bodied ferric sulfate in mixture, by weight percentage: slag is 85-95%, and granularity is not more than 80 orders; Bodied ferric sulfate is 5-15%, and granularity is not more than 100 orders;
F. batch mixing:
Carry the efficient mixer of duplex to carry out in batches e step gained compound mixing gets final product in batches.
The waste slag that the present invention utilizes steel-making to produce, reach rock steady structure and with addition of bodied ferric sulfate (SPFC) production novel sewage purifying agent by abundant hydrolysis reaction, not only solved the new method of disposing metallurgical waste, and opened up the novel process that purifying agent for polluted water is produced, had fabulous social benefit and economic benefit.Compared with prior art, this purifying agent for polluted water possesses absorption, flocculation, filtration, decolouring multi-functional, especially suitable treatment contains the purification of pollutent sewage such as phenol, heavy metal, suspended substance, radioactive substance, its production technique is simple, sufficient raw, production cost is low, can not produce the solid-liquid gas three wastes, can not cause secondary environmental pollution.
Table 1 is that the purifying agent for polluted water of producing as a trial in September, 2009 of the present invention carries out the commerical test cartogram at steel mill's comprehensive discharge sewage, and effect is obvious.
Table 1
Annotate: process of the test is adjusted add-on according to different quality.
Embodiment
Below in conjunction with embodiment in detail the present invention is described in detail.
The preparation technology of the described purifying agent for polluted water of present embodiment, carry out as follows:
G. slag hydrolysis:
Slag sprays 5% water by the slag weight ratio after removal of impurities, fragmentation, deironing, carry out hydrolysis in 72 hours, can enter next process after reaching rock steady structure;
H. slag drying:
The oven dry of step a gained rock steady structure slag, 60 ℃ of bake out temperatures;
I. slag grinds, sieves:
The dry slag of step b gained grinds after automatic gradation sizing enters slag batching feed bin through airflow milling;
J. bodied ferric sulfate grinds, sieves:
Bodied ferric sulfate grinds after automatic gradation sizing enters bodied ferric sulfate batching feed bin through airflow milling;
K. prepare burden:
Select slag, the raw material umber of bodied ferric sulfate in mixture, by weight percentage: slag is 95%, and granularity is not more than 80 orders; Bodied ferric sulfate is 5%, and granularity is not more than 100 orders;
L. batch mixing:
Carry the efficient mixer of duplex to carry out in batches e step gained compound mixing gets final product in batches.
Table 2 be purifying agent for polluted water by present embodiment preparation in the 3-10 month in 2008, the test in that the different operations of swallow steel are carried out the results are shown in following table, test effect is remarkable.
Table 2
Claims (2)
1. purifying agent for polluted water, it is that the raw material configuration forms with slag, bodied ferric sulfate, and the finished product form is microgranular, and its feed composition percentage is by weight counted: slag 85-95%, granularity is not more than 80 orders; Bodied ferric sulfate 5-15%, granularity is not more than 100 orders.
2. the preparation technology of a purifying agent for polluted water as claimed in claim 1, carry out as follows:
A. slag hydrolysis:
Slag is pressed slag weight ratio spray 4-8% water after removal of impurities, fragmentation, deironing, carry out hydrolysis in 48-96 hour, can enter next process after reaching rock steady structure;
B. slag drying:
The oven dry of step a gained rock steady structure slag, bake out temperature 50-80 ℃;
C. slag grinds, sieves:
The dry slag of step b gained grinds after automatic gradation sizing enters slag batching feed bin through airflow milling;
D. bodied ferric sulfate grinds, sieves:
Bodied ferric sulfate grinds after automatic gradation sizing enters bodied ferric sulfate batching feed bin through airflow milling;
E. prepare burden:
Select slag, the raw material umber of bodied ferric sulfate in mixture, by weight percentage: slag is 85-95%, and granularity is not more than 80 orders; Bodied ferric sulfate is 5-15%, and granularity is not more than 100 orders;
F. batch mixing:
Carry the efficient mixer of duplex to carry out in batches e step gained compound mixing gets final product in batches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010256630 CN101891272A (en) | 2010-08-19 | 2010-08-19 | Sewage purification agent and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010256630 CN101891272A (en) | 2010-08-19 | 2010-08-19 | Sewage purification agent and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN101891272A true CN101891272A (en) | 2010-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201010256630 Pending CN101891272A (en) | 2010-08-19 | 2010-08-19 | Sewage purification agent and preparation process thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102872795A (en) * | 2012-08-28 | 2013-01-16 | 常州大学 | Composite adsorbing material for removing chromium ions in natural water and preparation method thereof |
| CN105152260A (en) * | 2015-08-27 | 2015-12-16 | 建华建材（蚌埠）有限公司 | Town sewage curing agent and preparation method thereof |
| CN106854407A (en) * | 2017-01-09 | 2017-06-16 | 娄底市湖泉亿达工贸有限公司 | A kind of method of comprehensive utilization of converter slag |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101774671A (en) * | 2009-01-09 | 2010-07-14 | 同济大学 | Method for adsorbing and treating chromium-containing wastewater by using steel slag |
-
2010
- 2010-08-19 CN CN 201010256630 patent/CN101891272A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101774671A (en) * | 2009-01-09 | 2010-07-14 | 同济大学 | Method for adsorbing and treating chromium-containing wastewater by using steel slag |
Non-Patent Citations (2)
| Title |
|---|
| 《化学工程师》 20070630 蒋玲等 从废钢渣制备高效絮凝剂处理废水的研究 第31、32、47页 1、2 , 第6期 * |
| 《新疆环境保护》 19930630 王献科等 利用炼钢烟尘、钢渣生产聚合硫酸铁 第56页引言部分 1、2 第15卷, 第2期 2 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102872795A (en) * | 2012-08-28 | 2013-01-16 | 常州大学 | Composite adsorbing material for removing chromium ions in natural water and preparation method thereof |
| CN105152260A (en) * | 2015-08-27 | 2015-12-16 | 建华建材（蚌埠）有限公司 | Town sewage curing agent and preparation method thereof |
| CN106854407A (en) * | 2017-01-09 | 2017-06-16 | 娄底市湖泉亿达工贸有限公司 | A kind of method of comprehensive utilization of converter slag |
| CN106854407B (en) * | 2017-01-09 | 2019-05-03 | 娄底市湖泉亿达工贸有限公司 | A kind of method of comprehensive utilization of converter slag |
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Free format text: CORRECT: INVENTOR; FROM: ZHAO HUISHENG PENG YINZHANG WANG SUXIA ZHAO JISUO LI RONGTIAN DAI BAODONG TO: WANG SUXIA ZHAO YIHONG ZHAO HUISHENG Free format text: CORRECT: ADDRESS; FROM: 064200 TANGSHAN, HEBEI PROVINCE TO: 030009 TAIYUAN, SHAANXI PROVINCE |
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