CN1792873B - Process for treating waste water of livestock poultry by mineralizing refuse composite type biological filtering bed - Google Patents
Process for treating waste water of livestock poultry by mineralizing refuse composite type biological filtering bed Download PDFInfo
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- CN1792873B CN1792873B CN2005101102253A CN200510110225A CN1792873B CN 1792873 B CN1792873 B CN 1792873B CN 2005101102253 A CN2005101102253 A CN 2005101102253A CN 200510110225 A CN200510110225 A CN 200510110225A CN 1792873 B CN1792873 B CN 1792873B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
Abstract
A process for treating the sewage generated by domestic fowls and animals by composite biologic filtering bed based on mineralized garbage is composed of the surface layer made of zeolite and mineralized garbage, the main layer made of mineralized garbage, the bottom layer made of lime stone and mineralized garbage, and the bearing layer made of broken stone. It has high degradating power to various organic pollutent.
Description
Technical field
A kind of mineralized waste compound bio filter bed is handled the method for waste water of livestock poultry, relates to a kind of treatment process of waste water of livestock poultry.Handle livestock and poultry breeding industry waste water such as pig, cattle and sheep chicken and duck goose in this way, can reach higher organic pollutant removal efficient and denitrogenation dephosphorizing effect.
Background technology
Along with the propelling of urbanization process and the raising day by day of life of urban resident level, the demand of livestock and poultry meat and eggs rapidly increases at present.After particularly the eighties, vegetable basket project was implemented, livestock and poultry breeding industry was walked the road for development of mass-producing and intensification, improves animal products output on the one hand, reduces aquaculture cost simultaneously, ensures the living needs of urban and rural residents.But then, large-scale cultivation produces a large amount of organic pollution materials such as livestock and poultry fecaluria, makes to pollute to concentrate, and is difficult to handle serious environment pollution.
At the high characteristics of waste water of livestock poultry organic contamination substrate concentration (high ammonia nitrogen), the treatment process of waste water of livestock poultry is based on anaerobic treatment, as UA SB, UBF and anaerobism contact process at present.These art breading loads are high, can reach higher CODcr clearance, simultaneously recyclable biogas energy.There is defective in this technical process: because anaerobion, especially methanogen be to the envrionment conditions sensitivity, the control difficulty of anaerobic treatment process condition is big, operator quality is required high; Because organonitrogen is converted into ammonia nitrogen under the anaerobic condition, make that ammonia nitrogen concentration rises on the contrary to some extent in the water outlet; Anaerobic technique does not almost have phosphor-removing effect.
The technology that can realize the waste water of livestock poultry qualified discharge at present mainly is anaerobic treatment+aerobic treatment combination process, UASB anaerobic technique+traditional active sludge+oxidation pond, A
2/ O technology.Though above-mentioned technology can reach organic matter removal efficient and denitrogenation processing effect preferably, these technical process complexity, initial cost cost height; Aerobic process unit energy consumption is big, the running cost height.Therefore this obviously reduces the livestock and poultry cultivation economic benefit of enterprises undoubtedly, obtains promoting in being difficult on a large scale.
Summary of the invention
The objective of the invention is to disclose a kind of method of efficient processing waste water of livestock poultry of easy popularization, this method not only can be saved initial cost and working cost, and can stablize organic removal rate and the better denitrogenation dephosphorizing effect that reaches higher, make the effluent quality index all reach " livestock and poultry breeding industry pollutant emission standard ".
In order to achieve the above object, method of the present invention comprises composite type biological filtering bed structure and operation control two portions:
One. composite type biological filtering bed structure:
A. the selection of bacteria bed major ingredient and preparation: the landfill mineralized waste of age in the period of 5-40 of excavation household refuse landfill sites, natural air drying makes the mineralized waste water ratio reach 20-50%.Preferred 30～35%.Then air-dry mineralized waste is crossed 2～4cm scalping, reject wherein foreign material such as macrobead stone, glass cullet, rubber, plastics and the wooden stick of not degrading fully, stationery, undersized mineralized waste is as the major ingredient (main stuffing) of bio-reaction bed.
B. composite type biological filtering bed structure: whole bacteria bed divides totally four layers of top layer, main stor(e)y, bottom and supporting layers from top to bottom:
The top layer is a first layer, is mixed by mineralized waste and zeolite and forms top layer floor height 50～70cm.Its mesolite: mineralized waste=1:0.5～5 mass percents, zeolite particle diameter are 0.5～3cm.Make the compound of the zeolite on top layer and mineralized waste because have strong ammonia nitrogen absorption ability, reach high efficiency so can guarantee processing.
Main stor(e)y is the second layer, and by floor height 1～2m, the mineralized waste of preferred 1～1.25m is formed.Main stor(e)y is mainly realized the quick absorption and the biological degradation of organic pollutant, the loading capacity and the loading capacity of mineralized waste are bigger, and microorganism active is vigorous, therefore be applicable to the waste water of livestock poultry of high-concentration ammonia-nitrogen, can effectively remove the pollutents such as larger molecular organics, heavy metal and phosphorus element in the waste water of livestock poultry.
Bottom is the 3rd layer, is that mineralized waste and the Wingdale of 25～35cm mixes by floor height.Wingdale: mineralized waste=1:5～8 mass percents wherein, the particle diameter of Wingdale is 0.25～1cm.Owing to, therefore strengthened the nitrification and denitrification effect of bacteria bed as adding the Wingdale auxiliary material in the mineralized waste of bottom.
As undermost supporting layer by particle diameter 2～20cm rubble, preferred 2～4cm graded broken stone is formed, ballast grain sizes from top to bottom increases gradually, supporting layer height 8～15cm, adopt Open architecture, realize ventilating, make the supporting layer bottom to the filter bed natural reaeration, so that adapt to the processing of different sorts waste water of livestock poultry respectively with naturally.
Two. the operation of bacteria bed and control:
To rise to the bacteria bed top with pump through anaerobic treatment and the pretreated high density waste water of livestock poultry of coarse filtration, by flusher at bacteria bed top layer water distribution uniformity.Regulating the bacteria bed water distribution time is 1:2-11 times with the ratio that falls to doing the time.The control residence time of waste water in bacteria bed, the assurance mineralized waste is held back absorption and bio-transformation to pollution substance.The optimization operating parameter of bacteria bed is 1～8 hour for the water distribution time, handles the back waste water of livestock poultry at last and discharges through the supporting layer of bacteria bed, and water collecting basin in the middle of coming together in is finished whole scavenging process.Look the waste water quality situation, the mineralized waste bacteria bed can adopt 1～3 grade of series operation.
The present invention has following advantage
1. treatment effect of the present invention is good.Because the present invention adopts mineralized waste as main filler, and mineralized waste has bigger specific surface area, loose structure, waterpower conduction preferably and penetrating quality, suitable pH, cation exchange capacity (CEC) etc. preferably; And contain a large amount of and abundant microbial population, these microorganisms have very, and Johnson ﹠ Johnson deposits and degradation capability, therefore the various organic pollutants in the waste water of livestock poultry are degraded fully, all indexs such as SS, COD, BOD, ammonia nitrogen total phosphorus, intestinal bacteria quasi-microorganism, colourity are all up to standard.
2. denitrification effect of the present invention is good.The present invention is by adopting mineralized waste+zeolite compounding ingredient on the bacteria bed top layer, and the ammonia nitrogen absorption capacity of zeolite is bigger, can realize waterflooding during zeolite adsorption hold back ammonia nitrogen.Utilize the aerobic condition of natural reaeration to realize that ammonia nitrogen is nitrated in the dry spell that falls by the mineralized waste microorganism, and the ammonia nitrogen absorption ability of zeolite is regenerated.Also can realize the natural reaeration of filter bed bottom simultaneously by open supporting layer, whole bacteria bed from top to bottom form aerobic zone, hypoxic/anaerobic district, aerobic zone alternately, nitrated and biological denitrificaion creates conditions for ammonia nitrogen.
3. technology of the present invention is controlled easily, is convenient to management.Mineralized waste has the ability of holding water and transmission water as the three-phase porous medium, and its hydraulic conductivity, waterpower osmosis performance, specific yield, water holding capacity etc. can both reach maximum hydraulic load, so be easy to control, can not stop up.
4. processing requirement of the present invention and facility investment are simple, so economic benefit is fairly obvious.The present invention can realize the resource utilization of mineralized waste, and does not have secondary pollution, so have great social benefit.
Embodiment
Embodiment 1
Adopt the mineralized waste compound bio filter bed of two-stage series connection to handle pig farm, old port composite waste.Every grade of mineralizing refuse composite type biological filtering bed volume 2m
3, effectively the filter bed height is 200cm.
Composite type biological filtering bed major ingredient is selected Shanghai Lao Gang refuse landfill landfill mineralized waste in 10 years ages for use, following minute of the sieve of natural air drying processing controls water ratio 30% back 2cm scalping excessively.Mineralized waste+high the 50cm in zeolite blended top layer is as the zeolite particle diameter 2cm of auxiliary material.Mineralized waste: the mass ratio of zeolite is 1:0.5; The floor height 100cm of main stor(e)y mineralized waste, filling rubbish gross weight is 50kg; As the mineralized waste of bottom and the floor height of Wingdale mixture is 25cm, and mineralized waste: the weight percent of Wingdale is 1:0.20.Undermost supporting layer height is 15cm, lays the metalling of diameter 2～4cm grating.Supporting layer is installed the perforation pvc pipe down and is used to collect water outlet.
Pig waste water is promoted to the filtering layer top by peristaltic pump after the anaerobic treatment in retention basin, by the PVC perforated pipe of aperture 0.2mm, water evenly is sprayed at filling surface to utilize pump pressure to make into.Two water pumps all adopt timer control start-stop, 2 hours water distribution time, fall to doing 10 hours.
In continuous three months detected, mineralized waste compound bio filter bed running status was good, and good and stable to the treatment effect of piggery wastewater, the average treatment effect sees Table 1.Go out the water pollutant overall target and can reach " the livestock and poultry breeding industry pollutant emission standard " implemented on January 1st, 2003, effluent quality be improved significantly.
Table 1 piggery wastewater turnover water quality and treatment effect thereof
Embodiment 2
The diary farm wastewater treatment of the Dairy Company East Sea, Shanghai, the whole diary farm of the mineralizing refuse composite type biological filtering bed processing composite waste of employing two-stage series connection.Every grade of mineralized waste compound bio filter bed volume 20m
3, effectively the filter bed height is 200cm.
Composite type biological filtering bed major ingredient is selected Shanghai Lao Gang refuse landfill landfill mineralized waste in 8 years ages for use, following minute of the sieve of natural air drying processing controls water ratio 35% back 4cm scalping excessively.Mineralized waste+high the 70cm in zeolite blended top layer, the particle diameter 3cm of auxiliary material zeolite, mineralized waste and zeolite mass ratio are at 2:0.5; The high 125cm of mineralized waste main stor(e)y, filling rubbish gross weight is 12000kg; The high 35cm of mineralized waste Wingdale compound bottom, Wingdale auxiliary material weight percentage is 20%.Undermost supporting layer height is 10cm, from top to bottom lays the metalling of diameter 2～4cm grating.The longitudinal P VC pipe that it is 9cm that reaction bed inside is provided with two diameters plays the effect of ventilation.Supporting layer is laid the HDPE film down and is used to collect water outlet in pump well.
Be promoted to filtering layer top by submersible pump from diary farm waste water after coarse filtration and anaerobic treatment, by the PVC perforated pipe of aperture 0.2mm, water evenly is sprayed at filling surface to utilize pump pressure to make into.Two water pumps all adopt timer control start-stop, 4 hours water distribution time, fall to doing 20 hours.
In continuous 1 year detected, mineralized waste compound bio filter bed running status was good, and good and stable to the treatment effect of diary farm waste water, the average treatment effect sees Table 1.Go out the water pollutant overall target and can reach " the livestock and poultry breeding industry pollutant emission standard " implemented on January 1st, 2003, effluent quality be improved significantly.
Table 2 diary farm waste water turnover water quality and treatment effect thereof
Claims (2)
1. the method for a treating waste water of livestock poultry by mineralizing refuse composite type biological filtering bed. it is characterized in that: this method comprises composite type biological filtering bed structure and operation control two portions:
One. composite type biological filtering bed structure:
A. the selection of bacteria bed major ingredient and preparation: the landfill mineralized waste of age in the period of 5-40 of excavation household refuse landfill sites, natural air drying, make the mineralized waste water ratio reach 20-50%, then air-dry mineralized waste is crossed 2～4cm scalping, reject wherein foreign material such as macrobead stone, glass cullet, rubber, plastics and the wooden stick of not degrading fully, stationery, undersized mineralized waste is as the main filler of bio-reaction bed;
B. composite type biological filtering bed structure: whole bacteria bed divides four layers of top layer, main stor(e)y, bottom and supporting layers from top to bottom:
The top layer is a first layer, mixes by mineralized waste and zeolite and forms, and top layer floor height 50～70cm, its mesolite: mineralized waste=1: 0.5～5 mass percents, zeolite particle diameter are 0.5～3cm;
Main stor(e)y is the second layer, is made up of the mineralized waste of floor height 1～2m;
Bottom is the 3rd layer, is mixed by mineralized waste and Wingdale, wherein Wingdale: mineralized waste=1: 5～8 mass percents, the particle diameter of Wingdale are 0.25～1cm;
Form by particle diameter 2～20cm rubble as undermost supporting layer, ballast grain sizes from top to bottom increases gradually, supporting layer height 8～15cm, adopt Open architecture, realize ventilating with naturally, make the supporting layer bottom to the filter bed natural reaeration, so that adapt to the processing of different sorts waste water of livestock poultry respectively;
Two. the operation of bacteria bed and control:
To rise to the bacteria bed top with pump through anaerobic treatment and the pretreated high density waste water of livestock poultry of coarse filtration, by flusher at bacteria bed top layer water distribution uniformity.Regulating the bacteria bed water distribution time is 1 with the ratio that falls to doing the time: 2-11 doubly.The control residence time of waste water in bacteria bed, the assurance mineralized waste is held back absorption and bio-transformation to pollution substance.The optimization operating parameter of bacteria bed is 1～8 hour for the water distribution time, handles the back waste water of livestock poultry at last and discharges through the supporting layer of bacteria bed, and water collecting basin in the middle of coming together in is finished whole scavenging process.
2. the method for a kind for the treatment of waste water of livestock poultry by mineralizing refuse composite type biological filtering bed according to claim 1. it is characterized in that: described composite type biological filtering bed structure is the waste water quality situation of looking, and adopts 1～3 grade of series operation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2005101102253A CN1792873B (en) | 2005-11-10 | 2005-11-10 | Process for treating waste water of livestock poultry by mineralizing refuse composite type biological filtering bed |
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| CN2005101102253A CN1792873B (en) | 2005-11-10 | 2005-11-10 | Process for treating waste water of livestock poultry by mineralizing refuse composite type biological filtering bed |
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| CN1792873A CN1792873A (en) | 2006-06-28 |
| CN1792873B true CN1792873B (en) | 2010-09-22 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161558B (en) * | 2011-03-04 | 2012-03-21 | 同济大学 | Contaminated bottom sediment remediation agent and preparation method and using method thereof |
| CN103466888B (en) * | 2013-09-13 | 2014-12-10 | 广西大学 | Device for physico-chemical-biochemical combined treatment of old-aged landfill leachate |
| CN106007002A (en) * | 2016-07-08 | 2016-10-12 | 平潭盖亚环保科技有限公司 | Method for processing breeding wastewater through multi-biological-phase zoogloea packing |
| CN106359139B (en) * | 2016-08-30 | 2020-01-07 | 南京福盛建材有限公司 | Integrated pig raising equipment |
| CN108017227B (en) * | 2017-11-13 | 2020-05-22 | 国家***竹子研究开发中心 | Biochar filtering system for high-nitrogen wastewater treatment and operation mode thereof |
| CN109775930B (en) * | 2019-02-18 | 2021-12-24 | 江西盖亚环保科技有限公司 | Method for treating landfill leachate based on GY-3 type filler matrix |
| CN109775843B (en) * | 2019-02-18 | 2022-01-18 | 江西盖亚环保科技有限公司 | Filler matrix for treating landfill leachate and application thereof |
| CN110452846B (en) * | 2019-08-16 | 2022-07-12 | 鹭滨环保科技（上海）股份有限公司 | Paracoccus denitrificans and biological denitrification method by combining paracoccus denitrificans with mineralization bed |
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| KR20020096117A (en) * | 2001-06-18 | 2002-12-31 | 지성축산기계 주식회사 | An air supplying and deflation apparatus for livestock and waste of foods |
| CN1445176A (en) * | 2003-05-07 | 2003-10-01 | 同济大学 | Method for handling waste water of domestic animals and poultry by using mineralization garbage |
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2005
- 2005-11-10 CN CN2005101102253A patent/CN1792873B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020096117A (en) * | 2001-06-18 | 2002-12-31 | 지성축산기계 주식회사 | An air supplying and deflation apparatus for livestock and waste of foods |
| CN1445176A (en) * | 2003-05-07 | 2003-10-01 | 同济大学 | Method for handling waste water of domestic animals and poultry by using mineralization garbage |
Non-Patent Citations (4)
| Title |
|---|
| 杨玉江，赵由才.矿化垃圾生物反应床处理奶牛场废水的工艺参数研究.江苏化工33 5.2005,33(5),47-50. |
| 杨玉江,赵由才.矿化垃圾生物反应床处理奶牛场废水的工艺参数研究.江苏化工33 5.2005,33(5),47-50. * |
| 邵芳，张鼎国，赵由才.矿化垃圾生物反应床处理畜禽废水的试验研究.环境污染治理技术与设备3 2.2002,3(2),32-36. |
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