CN103058469A - Method for purifying and treating cultivation waste water by utilizing wood charcoal and ryegrass zygosome - Google Patents
Method for purifying and treating cultivation waste water by utilizing wood charcoal and ryegrass zygosome Download PDFInfo
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- CN103058469A CN103058469A CN201310028751XA CN201310028751A CN103058469A CN 103058469 A CN103058469 A CN 103058469A CN 201310028751X A CN201310028751X A CN 201310028751XA CN 201310028751 A CN201310028751 A CN 201310028751A CN 103058469 A CN103058469 A CN 103058469A
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Abstract
The invention discloses a method for purifying and treating cultivation waste water by utilizing wood charcoal and ryegrass zygosome, belongs to a cultivation waste water purification treatment method and aims at providing a cultivation waste water purification treatment method with good purification effect and good ecological effect. The method disclosed by the invention comprises the following steps of: respectively filling broken stones with the thickness of 25mm and granularity of 5-10mm in three treating ponds which are sequentially communicated in series, paving wood charcoal on the surface of the broken stones, planting ryegrass is on the surface of the wood charcoal, and injecting the cultivation waste water into a first-stage treating pond in a flow of 2m<3> of daily treated waste water every 1.2m<2> of planting area, wherein water is distributed in the first-stage treating pond in a surface-inlet and bottom-outlet manner, and the water is distributed in a second-stage treating pond and a third-stage treating pond in a bottom-inlet and surface-outlet manner, the thickness of the wood charcoal in the three-stage treating pond is 100mm, and the granularity of the wood charcoal is 0.5-10mm. The cultivation waste water treated by adopting the method disclosed by the invention is good in chromaticity and odourless, removal rate of ammonia, nitrogen and phosphorus is more than 75%, and COD (chemical oxygen demand) removal rate is 70%, so that the method disclosed by the invention can be applied to purification treatment of the cultivation waste water.
Description
Technical field
The present invention relates to a kind of method of purifying treatment breeding wastewater, relate in particular to a kind of method of utilizing charcoal, rye grass zygosome purifying treatment breeding wastewater.
Background technology:Along with the development of mass-producing, intensive livestock and poultry breeding industry, the breeding wastewater discharging has become the main reason of quality of water environment and Ecological Environment deterioration.Breeding wastewater mainly is comprised of urine, food-residue, ight soil wash-down water, contains the nutritive substances such as a large amount of organic pollutants and N, P.Directly the undressed breeding wastewater of discharging can a large amount of dissolved oxygens that consume in the water, can cause not only that water body is smelly, the mortality of aquatic organism; And N wherein, P also can make water eutrophication, causes nitrate and nitrite concentration too high, and long-term drinking can cause poisoning.In addition, undressed waste water is direct, continuous, excessive enters the farmland and also can cause the soil pores to be stopped up, and causes that the gas permeability of soil, water-permeable descend and harden, salinization, has a strong impact on the growth of soil quality and farm crop.Residual veterinary drug entered environment in the waste water may be converted into the prerequisite thing of environmental hormone or environmental hormone, directly destroys ecotope and threatens human health; In case a large amount of pathogenic micro-organisms in the waste water, parasitic ovum entered environment also can serious harm cause the people, hold infectious disease from spreading, cause epidemic situation to occur.
At present, the treatment process of livestock breeding wastewater mainly contains: Physical, chemical method and biological process.Because the livestock breeding wastewater discharge capacity is large, temperature is low, and solid-liquid mixes in the waste water, and fibre content and organic content are high, and therefore the solid substance small volume is difficult to separate.In addition, because flush time is relatively concentrated, so that treating processes can't be carried out continuously; The severe overweights such as the COD in the waste water, BOD, suspended substance is many, and the content of nitrogen and phosphorous is abundant and be difficult for removal, adopts merely physics, chemistry or bioremediation, and treatment effect is all undesirable.
Summary of the invention:For the defects that exists in the prior art, the present invention aims to provide that a kind of decontamination effect improving is good, ecologic effect good, utilizes the method for charcoal, rye grass zygosome purifying treatment breeding wastewater.
To achieve these goals, the present invention by the following technical solutions: loading thickness respectively in the tertiary treatment pond that series connection is communicated with successively is that 25 ㎜, granularity are the rubble of 5～10 ㎜, at this rubble area mat charcoal, charcoal surface grafting rye grass, presses 1.2m
2The growing surface day of year is processed waste water 2m
3Flow inject breeding wastewater to first step treating pond; Wherein, first step treating pond advances mode water distribution that the end goes out, second and the third stage treating pond mode water distribution that advances to show out the end of by by table, and the charcoal layer thickness in the tertiary treatment pond is that 100 ㎜, charcoal granularity are 0.5～10 ㎜.
On the basis of technique scheme, the present invention can also adopt following preferred version: the charcoal in the first step treating pond is that granularity is the fine granularity charcoal of 0.5～2.5 ㎜; Second and third stage treating pond in charcoal be two-layer, lower floor is that granularity is that 2.5～5 ㎜, thickness are the middle granularity charcoal layer of 50 ㎜, the upper strata is that granularity is that 5～10 ㎜, thickness are the coarsness charcoal layer of 50 ㎜.
Compared with the prior art, the present invention is owing to adopted technique scheme, physical adsorption and biopurification processing dual mode are organically combined, therefore can utilize the charcoal adsorption treatment and remove most of N, P and COD in the waste water step by step in the tertiary treatment pond, and then absorb a large amount of nutrient elements, and continue to absorb N, P and COD in the waste water by being planted in rye grass on the charcoal, thereby realize purification of water quality.Detection shows that through good, the odorless of breeding wastewater colourity that the inventive method is processed, ammonia, nitrogen removal efficiency reach 77.65%～93.22%, and total tp removal rate can reach 76.81%～81.58%, COD clearance and can reach 69.8%～81.78%; And the neutralization of rye grass root absorption undercurrent waste water is adsorbed on the nutritive ingredient in the charcoal hypothallus, and growing way is good, and is dense dark green, can be used as the greening turf.
Description of drawings:
Fig. 1 is the treating pond structural representation that the inventive method adopts.
Among the figure: granularity charcoal layer 5 third stage treating ponds 6 coarsness charcoal layers 7 water inlet pipes 8 in first step treating pond 1 rubble 2 fine granularity charcoals 3 second stage treating ponds 4
Embodiment:The invention will be further described below in conjunction with accompanying drawing and specific embodiment:
As shown in Figure 1: above first step treating pond 1, arrange water inlet pipe 8, the bottom of first step treating pond 1 is communicated with by the bottom of water pipe with second stage treating pond 4, be provided with the bottom of third stage treating pond 6 and be communicated with another root water pipe near this treating pond Chi Kou place, second stage, be provided with rising pipe in the position of the close Chi Kou of this third stage treating pond.
Filling a layer thickness is that 25 ㎜, granularity are the rubble 2 of 5～10 ㎜ in first step treating pond 1, second stage treating pond 4 and third stage treating pond 6, rubble 2 area mat a layer thickness in first step treating pond 1 are that 100 ㎜, granularity are the thin charcoal 3 of 0.5～2.5 ㎜, the surface grafting rye grass of this thin charcoal; Rubble in second stage treating pond 4 and third stage treating pond 62 area mat a layer thickness are that 50 ㎜, granularity are the middle granularity charcoal layer 5 of 2.5～5 ㎜ respectively, area mat a layer thickness of granularity charcoal layer is that 50 ㎜, granularity are the coarsness charcoal layer 7 of 5～10 ㎜ in this, the surface grafting rye grass of each coarsness charcoal layer 7; Press 1.2m
2The growing surface day of year is processed waste water 2m
3The aquifer yield of flow control water inlet pipe 8.
Claims (2)
1.. a kind of method of utilizing charcoal, rye grass zygosome purifying treatment breeding wastewater, it is characterized in that: loading thickness respectively in the tertiary treatment pond that series connection is communicated with successively is that 25 ㎜, granularity are the rubble of 5～10 ㎜, at this rubble area mat charcoal, charcoal surface grafting rye grass, press 1.2m
2The growing surface day of year is processed waste water 2m
3Flow inject breeding wastewater to first step treating pond; Wherein, first step treating pond advances mode water distribution that the end goes out, second and the third stage treating pond mode water distribution that advances to show out the end of by by table, and the charcoal layer thickness in the tertiary treatment pond is that 100 ㎜, charcoal granularity are 0.5～10 ㎜.
2. the method for utilizing charcoal, rye grass zygosome purifying treatment breeding wastewater according to claim 1, it is characterized in that: the charcoal in the first step treating pond is that granularity is the fine granularity charcoal of 0.5～2.5 ㎜; Second and third stage treating pond in charcoal be two-layer, lower floor is that granularity is that 2.5～5 ㎜, thickness are the middle granularity charcoal layer of 50 ㎜, the upper strata is that granularity is that 5～10 ㎜, thickness are the coarsness charcoal layer of 50 ㎜.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359881A (en) * | 2013-07-24 | 2013-10-23 | 中国科学院亚热带农业生态研究所 | Method for reducing and controlling wastewater pollution of pig farm |
| CN103693776A (en) * | 2013-11-29 | 2014-04-02 | 江苏蛟龙重工集团有限公司 | Sewage treatment equipment |
| CN104445719A (en) * | 2014-11-14 | 2015-03-25 | 无锡乐华自动化科技有限公司 | Sewage treatment device |
| CN108640336A (en) * | 2018-05-03 | 2018-10-12 | 佛山市三水万瑞达环保科技有限公司 | A kind of multistage Industrial Wastewater Treatment pond |
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| CN103693776A (en) * | 2013-11-29 | 2014-04-02 | 江苏蛟龙重工集团有限公司 | Sewage treatment equipment |
| CN104445719A (en) * | 2014-11-14 | 2015-03-25 | 无锡乐华自动化科技有限公司 | Sewage treatment device |
| CN108640336A (en) * | 2018-05-03 | 2018-10-12 | 佛山市三水万瑞达环保科技有限公司 | A kind of multistage Industrial Wastewater Treatment pond |
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Application publication date: 20130424 |