CN101830559A - Magnetic porous environmental-conscious ceramic filter material for water treatment and preparation method thereof - Google Patents
Magnetic porous environmental-conscious ceramic filter material for water treatment and preparation method thereof Download PDFInfo
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- CN101830559A CN101830559A CN201010171297A CN201010171297A CN101830559A CN 101830559 A CN101830559 A CN 101830559A CN 201010171297 A CN201010171297 A CN 201010171297A CN 201010171297 A CN201010171297 A CN 201010171297A CN 101830559 A CN101830559 A CN 101830559A
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Abstract
The invention relates to a magnetic porous environmental-conscious ceramic filter material for water treatment and a preparation method thereof. The filter material is prepared by using urban sludge, fly ash and limestone as main raw materials. The formula of the filter material comprises the following components in percentage by weight: 35 to 40 percent of urban sludge, 25 to 30 percent of fly ash, 13 to 20 percent of limestone, 5 to 10 percent of red clay, 5 to 7 percent of coal and 6 to 10 percent of saw dust. And the filter material is manufactured by ball milling, dehydrating, forming, drying, 1,200 to 1,230 DEG C sintering and magnetizing. The magnetic high-porosity ceramic filter material can be used as a carrier of waste water in biochemical treatment. Due to the influences of the magnetic force on organisms, the biodegradation speed of the waste water can be improved. And the product has high acid resistance, alkali resistance, high-temperature resistance, aging resistance and the like, can be recycled and is an environmentally-friendly filter.
Description
Technical field
The present invention relates to the biochemical treatment field in city, the industrial sewage processing, be specifically related to a kind of water treatment magnetic porous environmental-conscious ceramic filter material.
Background technology
Many studies show that, magnetic effect can improve the biological degradation efficient of waste water greatly, Chinese patent ZL99115258.1 discloses a kind of UFO ball dish magnetic bio-carrier, the plastic material of this carrier is through magnetic and activated carbon modified, have faint magnetic field inside and outside making whole grid spheroid, can play the effect that stimulates the optimum growth metabolism of flora, make newborn mycoderm very easily be hung on carrier surface, and old and feeble bacterium corpse also very easily comes off, and demonstrates good biological magnetic usefulness and biological activated carbon function; Disclose among the Chinese patent ZL03140386.7 the plain polypropylene carrier behind the affine hydrophilic and magnetization modification of biology, can better improve the bioaffinity and the hydrophilicity of carrier, improve the microorganism colonization performance of carrier, promote the metabolism of microorganism, thereby improve organic degradation efficiency greatly, and can bear the impact of higher gas-water ratio, pollutant load and air-flow and current.But the bio-carrier material of biological process sewage treatment process use at present exists granularity and density is big, and specific area is little, and the load biological capacity is low, and aeration energy consumption height and water sepn ability influence water treatment efficiency greatly.From solid support material, the high-performance organic support material that remains low density, bigger serface is main, and its acid-fast alkali-proof is high temperature resistant, and the poor performance of anti-aging grade does not belong to environmentally friendly filler.
Summary of the invention
The technical problem to be solved in the present invention is to utilize industrial waste to develop little, the magnetic high porosity ceramic filtrate of proportion, as microbe carrier, is used for the biochemical treatment of city, industrial sewage processing.
Technical scheme of the present invention is:
A kind of water treatment magnetic porous environmental-conscious ceramic filter material, adopting municipal sludge, flyash, Wingdale is main raw material, with the clay is binding agent, adds a small amount of pore former, obtains goods after ball milling, dehydration, moulding, drying, high temperature sintering, magnetization.
Described pore former is coal and wood chip.
Described magnetic ceramics filtrate component by weight percentage is: municipal sludge 35-40%, flyash 25-30%, Wingdale 13-20%, red clay 5-10%, coal 5-7%, wood chip 6-10%.
The manufacture method of above-mentioned magnetic ceramics filtrate:
1, raw material is mixed the back by expecting: ball: water with 1: 0.8: 1.5 ratio ball milling, sieve, fineness requirement is that 200 mesh sieves tail over less than 1%;
2, compound dehydration back water ratio is 22%～24%;
3, dehydration back compound adds the wood chip mixing moulding, and big I is regulated as required;
4, firing temperature is 1200～1230 ℃;
5, carry out fragmentation behind the sintering, sieve the ceramic filter material of different size;
6, ceramic filter material is joined in water glass and the magnetic mixed solution and magnetize, through stirring, obtaining the magnetic ceramics filtrate after dry, 400～600 ℃ of roastings.
Ceramic filter material, water glass (Na in the described magnetic history
2SiO
3), magnetic (Fe
3O
4) weight percent is preferably 30: 30: 1.
The present invention prepares water treatment biomagnetism porous ceramic filter material with industrial wastes such as municipal sludge, flyash, Wingdales, this carrier can provide alternative aerobic-anaerobic condition, add the biological reinforced effect of the magnetic effect of carrier inside low-intensity magnetic field generation, can improve the biological treatment efficient of waste water largely, help denitrogenation and sludge reduction, aspect biological wastewater treatment, have good application and development prospect.
This water treatment simultaneously can be used by cyclic regeneration with magnetic porous ceramic filter material, even can not use again, because the firing temperature of porous ceramic filter material is low, scrap the back and in environment, also be easy to nature weathering degraded, become the composition of the soil part, combine together with soil, really realize environmental harmony, ecological friendly.
Embodiment
Embodiment 1
Present embodiment magnetic ceramics filtrate is prepared by the raw material of following component and percentage composition:
Municipal sludge 35
Flyash 29
Wingdale 17
Red clay 5
Coal 7
Wood chip 7
Above-mentioned magnetic ceramics filtrate prepares by following processing step:
1, raw material is mixed the back by expecting: ball: water with 1: 0.8: 1.5 ratio ball milling, sieve, fineness requirement is that 200 mesh sieves tail over less than 1%;
2, compound dehydration back water ratio is 22%;
3, dehydration back compound adds wood chip and mixes the artificial granulation, and big I is regulated as required;
4, firing temperature is 1200 ℃;
5, carry out fragmentation behind the sintering, sieve the ceramic filter material of different size;
6, with 200ml density be the water glass (Na of 1.5g/ml
2SiO
3), add 10g magnetic (Fe
3O
4) mix after, to wherein adding the 300g ceramic filter material, stir after 5 minutes, the dissolved ceramic filter material is taken out, put into baking oven with 100 ℃ of bakings 6 hours, roasting to 500 ℃ in electric furnace again be incubated 1 hour, acquisition magnetic ceramics filtrate after the cooling.
Embodiment 2
Present embodiment magnetic ceramics filtrate is prepared by the raw material of following component and percentage composition:
Municipal sludge 39
Flyash 25
Wingdale 14
Red clay 9
Coal 5
Wood chip 8
Above-mentioned magnetic ceramics filtrate prepares by following processing step:
1, raw material is mixed the back by expecting: ball: water with 1: 0.8: 1.5 ratio ball milling, sieve, fineness requirement is that 200 mesh sieves tail over less than 1%;
2, compound dehydration back water ratio is 24%;
3, dehydration back compound adds wood chip and mixes the artificial granulation, and big I is regulated as required;
4, firing temperature is 1230 ℃;
5, carry out fragmentation behind the sintering, sieve the ceramic filter material of different size;
6, with 200ml density be the water glass (Na of 1.5g/ml
2SiO
3), add 10g magnetic (Fe
3O
4) mix after, to wherein adding the 300g ceramic filter material, stir after 5 minutes, the dissolved ceramic filter material is taken out, put into baking oven with 100 ℃ of bakings 6 hours, roasting to 550 ℃ in electric furnace again be incubated 1 hour, acquisition magnetic ceramics filtrate after the cooling.
The prepared magnetic ceramics media performance of the foregoing description 1-2 index is as follows:
| Outward appearance | Particle diameter (mm) | Tap density (g/cm 3) | Porosity (%) | NaOH soluble rate (%) | ??H 2SO 4Soluble rate (%) | Magnetic |
| Spheroid, surface irregularity | Adjustable arbitrarily | ??0.8-1.2 | ??50-55 | ??≤1.40 | ??≤1.65 | A little less than |
Claims (5)
1. water treatment magnetic porous environmental-conscious ceramic filter material, adopting municipal sludge, flyash, Wingdale is main raw material, with the clay is binding agent, adds a small amount of pore former, obtains goods after ball milling, dehydration, moulding, drying, high temperature sintering, magnetization.
2. according to the described magnetic ceramics filtrate of claim 1, it is characterized in that described pore former is coal and wood chip.
3. according to the described magnetic ceramics filtrate of claim 1, it is characterized in that each compositions in weight percentage is as follows: municipal sludge 35-40%, flyash 25-30%, Wingdale 13-20%, red clay 5-10%, coal 5-7%, wood chip 6-10%.
4. the manufacture method of the described magnetic ceramics filtrate of claim 1 is characterized in that may further comprise the steps:
(1), raw material is mixed the back by expecting: ball: water with 1: 0.8: 1.5 ratio ball milling, sieve, fineness requirement is that 200 mesh sieves tail over less than 1%;
(2), compound dehydration back water ratio is 22%～24%;
(3), dehydration back compound adds the wood chip mixing moulding;
(4), firing temperature is 1200～1230 ℃;
(5), carry out fragmentation behind the sintering, sieve the ceramic filter material of different size;
(6), ceramic filter material joined in water glass and the magnetic mixed solution magnetize, through stirring, obtaining the magnetic ceramics filtrate after dry, 400～600 ℃ of roastings.
5. according to the manufacture method of the described magnetic ceramics filtrate of claim 4, it is characterized in that ceramic filter material in the magnetic history, water glass, magnetic weight percent are preferably 30: 30: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010171297 CN101830559B (en) | 2010-05-13 | 2010-05-13 | Magnetic porous environmental-conscious ceramic filter material for water treatment and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010171297 CN101830559B (en) | 2010-05-13 | 2010-05-13 | Magnetic porous environmental-conscious ceramic filter material for water treatment and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101830559A true CN101830559A (en) | 2010-09-15 |
| CN101830559B CN101830559B (en) | 2013-01-09 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173506A (en) * | 2011-03-21 | 2011-09-07 | 尹军 | Bioactive compound filling material |
| CN102583719A (en) * | 2012-02-22 | 2012-07-18 | 广东绿园环境保护工程有限公司 | Active composite suspended filler |
| CN102659238A (en) * | 2012-05-18 | 2012-09-12 | 山东化友化学有限公司 | Multifunctional suspended carrier for sewage treatment and preparation method of multifunctional suspended carrier |
| CN104230301A (en) * | 2014-09-18 | 2014-12-24 | 河海大学 | Biocompatible hydrophilic magnetic sludge fine aggregate carrier and preparation method thereof |
| CN104261553A (en) * | 2014-08-25 | 2015-01-07 | 河海大学 | Magnetic fly ash ceramsite and preparation method thereof |
| CN104478472A (en) * | 2014-11-12 | 2015-04-01 | 西安科技大学 | Method for preparing porous material with solid waste as raw material |
| CN106927860A (en) * | 2017-02-28 | 2017-07-07 | 沈阳理工大学 | A kind of method that utilization excess sludge prepares foam solution and porous ceramic filter material |
| CN107032758A (en) * | 2017-02-28 | 2017-08-11 | 沈阳理工大学 | A kind of method that utilization sludge and cow dung prepare gas purification porous ceramics |
| CN108479419A (en) * | 2018-05-08 | 2018-09-04 | 南方科技大学 | Ceramic membrane and preparation method thereof |
| CN108479420A (en) * | 2018-05-08 | 2018-09-04 | 南方科技大学 | Microfiltration ceramic membrane and preparation method thereof |
| CN108546149A (en) * | 2018-05-08 | 2018-09-18 | 南方科技大学 | Microfiltration ceramic membrane using waste as raw material and preparation method thereof |
| CN109012216A (en) * | 2018-08-23 | 2018-12-18 | 中冶华天工程技术有限公司 | New function ceramic membrane materials and preparation method thereof |
| CN111704320A (en) * | 2020-06-30 | 2020-09-25 | 桂林理工大学 | Sewage treatment system and sewage treatment method for regulating and controlling logarithmic phase growth of microorganisms |
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| CN101352633A (en) * | 2008-09-18 | 2009-01-28 | 济南大学 | Stephanoporate grain slag filtering material and method for preparing the same |
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2010
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173506B (en) * | 2011-03-21 | 2013-01-23 | 尹军 | Bioactive compound filling material |
| CN102173506A (en) * | 2011-03-21 | 2011-09-07 | 尹军 | Bioactive compound filling material |
| CN102583719A (en) * | 2012-02-22 | 2012-07-18 | 广东绿园环境保护工程有限公司 | Active composite suspended filler |
| CN102583719B (en) * | 2012-02-22 | 2014-04-09 | 广东绿园环境保护工程有限公司 | Active composite suspended filler |
| CN102659238A (en) * | 2012-05-18 | 2012-09-12 | 山东化友化学有限公司 | Multifunctional suspended carrier for sewage treatment and preparation method of multifunctional suspended carrier |
| CN102659238B (en) * | 2012-05-18 | 2013-06-12 | 山东化友化学有限公司 | Multifunctional suspended carrier for sewage treatment and preparation method of multifunctional suspended carrier |
| CN104261553A (en) * | 2014-08-25 | 2015-01-07 | 河海大学 | Magnetic fly ash ceramsite and preparation method thereof |
| CN104230301B (en) * | 2014-09-18 | 2016-03-23 | 河海大学 | A kind of biocompatible hydrophilic magnetic sludge pottery sand carrier and preparation method thereof |
| CN104230301A (en) * | 2014-09-18 | 2014-12-24 | 河海大学 | Biocompatible hydrophilic magnetic sludge fine aggregate carrier and preparation method thereof |
| CN104478472A (en) * | 2014-11-12 | 2015-04-01 | 西安科技大学 | Method for preparing porous material with solid waste as raw material |
| CN106927860A (en) * | 2017-02-28 | 2017-07-07 | 沈阳理工大学 | A kind of method that utilization excess sludge prepares foam solution and porous ceramic filter material |
| CN107032758A (en) * | 2017-02-28 | 2017-08-11 | 沈阳理工大学 | A kind of method that utilization sludge and cow dung prepare gas purification porous ceramics |
| CN108479419A (en) * | 2018-05-08 | 2018-09-04 | 南方科技大学 | Ceramic membrane and preparation method thereof |
| CN108479420A (en) * | 2018-05-08 | 2018-09-04 | 南方科技大学 | Microfiltration ceramic membrane and preparation method thereof |
| CN108546149A (en) * | 2018-05-08 | 2018-09-18 | 南方科技大学 | Microfiltration ceramic membrane using waste as raw material and preparation method thereof |
| CN109012216A (en) * | 2018-08-23 | 2018-12-18 | 中冶华天工程技术有限公司 | New function ceramic membrane materials and preparation method thereof |
| CN111704320A (en) * | 2020-06-30 | 2020-09-25 | 桂林理工大学 | Sewage treatment system and sewage treatment method for regulating and controlling logarithmic phase growth of microorganisms |
| CN111704320B (en) * | 2020-06-30 | 2022-04-22 | 桂林理工大学 | Sewage treatment system and sewage treatment method for regulating and controlling logarithmic phase growth of microorganisms |
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