CN100566814C - A kind of composite type water treating agent based on mineralized waste and preparation method thereof - Google Patents

A kind of composite type water treating agent based on mineralized waste and preparation method thereof Download PDF

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Publication number
CN100566814C
CN100566814C CNB2005101102249A CN200510110224A CN100566814C CN 100566814 C CN100566814 C CN 100566814C CN B2005101102249 A CNB2005101102249 A CN B2005101102249A CN 200510110224 A CN200510110224 A CN 200510110224A CN 100566814 C CN100566814 C CN 100566814C
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China
Prior art keywords
mineralized waste
clinker
water treatment
component
treatment agent
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CNB2005101102249A
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Chinese (zh)
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CN1792852A (en
Inventor
赵由才
杨玉江
牛冬杰
柴晓利
宋玉
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同济大学
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Abstract

A kind of composite type water treating agent based on mineralized waste and preparation method thereof relates to a kind of composite type water treating agent.Its component is: mineralized waste 85~95%, clinker 4~10%, lime stone 1~5%.Preparing method of the present invention is: with the mineralized waste of landfill 4-10 in age, cross aperture 20-100mm scalping, sieve is the component natural air drying down, controls its moisture content 15~50%, after 2~5mm dusting cover.Component is as the major ingredient of water treatment agent under the sieve; Clinker and lime stone are ground to 60~200 orders respectively as the water treatment agent auxiliary material; In proportion mineralized waste fines, clinker powder and agstone are mixed and can make.Technology of the present invention is simple, and organic matter and nitrogen and phosphorus pollutants are had very strong degradation capability, and adsorbable and fixedly organic matter and heavy metal ion in the waste water can realize the regeneration of water treatment agent disposal ability.Have tangible economic benefit and environmental benefit.It is big to handle load, and cost of water treatment is low, can be used for the pretreating process of various high concentrated organic wastewaters and industrial wastewater.

Description

A kind of composite type water treating agent based on mineralized waste and preparation method thereof
Technical field
The present invention relates to a kind of composite type water treating agent that utilizes mineralized waste for the major ingredient preparation, this water treatment agent can be used for the pretreating process of high concentrated organic wastewater, indegradable industrial effluent, can tentatively remove the polluters such as suspended material, larger molecular organics matter and heavy metal in the waste water, provide high-activity microorganism for follow-up bioprocess technology simultaneously.
Background technology
Existing water treatment agent can be divided into inorganic and macromolecule two big classes, as polyaluminium salts, molysite and polyacrylamide etc.These water treatment agents are mainly removed suspension and larger molecular organics matter in the waste water in the mode of chemical flocculation precipitation, use comparatively extensive in water treatment technology.But these water treatment agents can't self be realized the regeneration of disposal ability, so these water treatment agents only can once use, and can't repeat or use for a long time, have brought the problem of water treatment sludge subsequent treatment.
Summary of the invention
The purpose of this invention is to provide the composite type water treating agent of a kind of preparation based on mineralized waste, this water treatment agent has that multiple processing mechanism acts synergistically, can use for a long time, the characteristics of economical and efficient.
For achieving the above object, the present invention is a major ingredient with mineralized waste fines in the household refuse landfill sites, adds auxiliary materials such as clinker and limestone activity material simultaneously.In water treatment, can realize physical absorption, ion-exchange, hydration reaction, chemical precipitation and bio-transformation mechanism synergy like this, thereby reach suspension, larger molecular organics matter and heavy metal in the preliminary removal waste water, under biotransformation, realize the self-regeneration of water treatment agent disposal ability simultaneously.
Composite type water treating agent based on mineralized waste provided by the invention, its component and content (percetage by weight) are:
Mineralized waste 80~100%
Clinker 0~20%
Lime stone 0~20%
Wherein the weight ratio of clinker is a cement: gypsum=80~100: 0~20%
Each component sum of water treatment agent must equal 100%
The optimum ratio of water treatment agent of the present invention (percetage by weight) scope is:
Mineralized waste 85~95%
Clinker 4~10%
Agstone 1~5%
Water treatment agent provided by the invention prepares by the following method:
The first step: the preparation of major ingredient: the landfill mineralized waste of age in the period of 4-15 in the excavation household refuse landfill sites, cross aperture 20-100mm scalping, sieve component is down done the natural air drying processing, controls this mineralized waste moisture content 15~50%.Mineralized waste after the air-dry processing is crossed 2~5mm dusting cover, and component is as the major ingredient of water treatment agent under the sieve.
Second step: the preparation of auxiliary material: under normal temperature condition, cement and gypsum are mixed according to aforementioned proportion, make clinker, then clinker and lime stone are ground to 60~200 orders respectively, standby as the water treatment agent auxiliary material.
The 3rd step: choose mineralized waste fines, clinker powder and agstone according to the above ratio, under normal temperature condition, it is mixed, can make composite water disposal agent of the present invention through grinding.
Compare with existing water treatment agent, the present invention has the following advantages:
1. the major ingredient mineralized waste of forming this water treatment agent has bigger specific area, higher cation exchange capacity, can remove organic matter and nitrogen phosphorus eutrophication pollution thing in the waste water by physical absorption, ion-exchange, chemical precipitation and biotransformation, so treatment effect is comprehensive.
2. be enriched with a large amount of superior microorganism populations in the mineralized waste fines, these microorganisms have very that Johnson ﹠ Johnson deposits and degradation capability, can realize the regeneration of water treatment agent disposal ability, are artifact treatment process acclimation and screening superior microorganism population simultaneously.
3. hydration reaction can take place in tricalcium aluminate in clinker and the agstone and tetra calcium aluminoferrite isoreactivity material in water environment, generates gel and alkaline matter.These hydrated products can adsorb and fixedly larger molecular organics and heavy metal ion in the waste water.Therefore this water treatment agent treatment effect is good.
4. because the resource of mineralized waste is very sufficient, can think to get without cease use not to the utmost, the preparation technology of water treatment agent and use technology simple.So economic benefit of the present invention and environmental benefit are fairly obvious.
5. the processing of Fa Ming water treatment agent load is big, and cost of water treatment is low, can be used for the pretreating process of various high concentrated organic wastewaters and indegradable industrial effluent.
The specific embodiment
In these embodiments, the equal percentage meter by weight of all components content.
Embodiment 1
Composite type water treating agent of the present invention, its component and content are
Mineralized waste 85% clinker 10% lime stone 5%
The major ingredient preparation: excavate the landfill mineralized waste in 4 years ages, after the 80mm scalping of aperture, natural air drying is controlled the mineralized waste moisture content 25% excessively.Mineralized waste after the air-dry processing rolls the back and crosses the 4mm dusting cover, and component is as the major ingredient of water treatment agent under the sieve.
Auxiliary material preparation: at ambient temperature according to ordinary cement: waste gypsum=80: 20% is mixed and made into clinker.Then clinker and the lime stone of making is ground to 80 orders respectively, as the water treatment agent auxiliary material.
At last, clinker and lime stone that mineralized waste, process are ground mix according to the above ratio, and stirring to make composite water disposal agent of the present invention.
Embodiment 2
Composite type water treating agent of the present invention, its component and content are
Mineralized waste 90% clinker 8% lime stone 2%
The major ingredient preparation: excavate the landfill mineralized waste in 6 years ages, after the 50mm scalping of aperture, natural air drying is controlled the mineralized waste moisture content 30% excessively.Mineralized waste after the air-dry processing rolls the back and crosses the 3mm dusting cover, and component is as the major ingredient of water treatment agent under the sieve.
Auxiliary material preparation: at ambient temperature with ordinary cement: waste gypsum=90: 10% is mixed and made into clinker.Then clinker and lime stone are ground to 100 orders respectively as the water treatment agent auxiliary material.
At last, clinker and lime stone fines that mineralized waste, process are ground mix according to the above ratio, and stirring to make water treatment agent of the present invention.
Embodiment 3
Composite type water treating agent of the present invention, its component and content are
Mineralized waste 95% clinker 4% lime stone 1%
The major ingredient preparation: excavate the landfill mineralized waste in 8 years ages, after the 40mm scalping of aperture, natural air drying control mineralized waste moisture content is 35% excessively.Mineralized waste after the air-dry processing rolls the back and crosses the 2mm dusting cover, sieves the following minute major ingredient as water treatment agent.
Auxiliary material preparation: ordinary cement at ambient temperature: waste gypsum=85: 15% is mixed and made into clinker, then clinker and lime stone is ground to 140 orders respectively as the water treatment agent auxiliary material.
At last, mineralized waste, clinker and lime stone fines are mixed according to the above ratio, stir and to make.
Embodiment 4
As embodiment 3 described composite type water treating agent preliminary treatment consumer waste landfill percolates, be added in water processing reactor at 1: 5 by solid-to-liquid ratio.Water processing reactor adopts the batch-type operation, and water inlet was than 1: 5.Water inlet mechanical mixture 3 hours, reactivation with aeration 1 hour staticly settles water outlet in 2 hours.Through reaching trimestral detection, the water treatmenting performance of composite type water treating agent is good, can reach percolate pretreating effect preferably, and concrete treatment effect sees Table 1.
Table 1 percolate preliminary treatment turnover water quality and treatment effect

Claims (2)

1. composite type water treating agent based on mineralized waste, it is characterized in that: the component of composite type water treating agent and percetage by weight content are:
Mineralized waste 85~95%
Clinker 4~10%
Lime stone 1~5%
Wherein the weight ratio of clinker is a cement: gypsum=80~100%: 0~20%
Each component sum of water treatment agent must equal 100%.
2. the method for preparing water treatment agent as claimed in claim 1 is:
The first step: the preparation of major ingredient: the landfill mineralized waste of age in the period of 4-10 in the excavation household refuse landfill sites, through aperture 20-100mm scalping, its sieve component natural air drying is down handled, component mineralized waste moisture content is 15~50% under the control sieve, then the mineralized waste after the air-dry processing is crossed 2~5mm dusting cover, component is as the major ingredient of water treatment agent under the sieve;
Second step: the preparation of auxiliary material: under normal temperature condition cement and gypsum proportionally are mixed and made into clinker, it is standby as the water treatment agent auxiliary material then clinker and lime stone to be ground to 60~200 orders respectively;
The 3rd step: choose mineralized waste fines, clinker powder and agstone in proportion, under normal temperature condition, mix and to make composite type water treating agent through grinding.
CNB2005101102249A 2005-11-10 2005-11-10 A kind of composite type water treating agent based on mineralized waste and preparation method thereof CN100566814C (en)

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CNB2005101102249A CN100566814C (en) 2005-11-10 2005-11-10 A kind of composite type water treating agent based on mineralized waste and preparation method thereof

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Application Number Priority Date Filing Date Title
CNB2005101102249A CN100566814C (en) 2005-11-10 2005-11-10 A kind of composite type water treating agent based on mineralized waste and preparation method thereof

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CN100566814C true CN100566814C (en) 2009-12-09

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100586870C (en) * 2006-10-16 2010-02-03 同济大学 Method of deeply purifying consumer waste infiltration liquid difficult degradation tail water by cement-based composite material
CN101905925B (en) * 2009-06-04 2012-05-09 环境保护部南京环境科学研究所 Method for treating dispersed domestic sewage in rural areas by using sequencing batch mineralized waste wetland bed
CN101941754B (en) * 2010-08-20 2012-01-25 同济大学 Denitrifying agent for deep treatment of percolate tail water, preparation method and using method
CN102078800B (en) * 2010-12-09 2012-07-25 苏州科技学院 Modified mineralized rubbish and preparation method thereof
CN102161558B (en) * 2011-03-04 2012-03-21 同济大学 Contaminated bottom sediment remediation agent and preparation method and using method thereof
CN102274716B (en) * 2011-07-26 2013-05-08 常州大学 Preparing method for compound modified and mineralized rubbish from water treatment materials
CN102500325A (en) * 2011-10-31 2012-06-20 青岛理工大学 Preparation method of adsorbing material used for hexavalent chromium waste water treatment
CN102730813A (en) * 2012-07-31 2012-10-17 北京盖雅技术中心有限公司 Efficient cation/anion remover and preparation method thereof
CN102755879B (en) * 2012-08-13 2014-03-12 常州大学 Preparation method of magnetic mineralized refuse for water treatment
CN106865932A (en) * 2017-03-07 2017-06-20 上海溪昌环境工程有限公司 A kind of method in utilization mineralized waste in-situ immobilization river course

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