CN109111028A - A kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method - Google Patents

A kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method Download PDF

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Publication number
CN109111028A
CN109111028A CN201810962417.4A CN201810962417A CN109111028A CN 109111028 A CN109111028 A CN 109111028A CN 201810962417 A CN201810962417 A CN 201810962417A CN 109111028 A CN109111028 A CN 109111028A
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China
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level
filter tank
layer
processing method
active carbon
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CN201810962417.4A
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秦斯祥
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Tianhe Lake District Of Bengbu City Yu Xiang Turtle Breeding Farmer Cooperatives
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Tianhe Lake District Of Bengbu City Yu Xiang Turtle Breeding Farmer Cooperatives
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Priority to CN201810962417.4A priority Critical patent/CN109111028A/en
Publication of CN109111028A publication Critical patent/CN109111028A/en
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)
  • Farming Of Fish And Shellfish (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

The invention discloses a kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method, the method carries out in biological aerated filter, and biological aerated filter includes level-one filter tank and second level filter tank, and waste water is successively handled through first-level filtering pond and second level filter tank；The packing layer in level-one filter tank has 2 layers, is at the middle and upper levels active carbon layer, and lower layer is the mixed filler layer of zeolite and active carbon, and the packing layer in second level filter tank is montmorillonite.Technical solution of the present invention can effectively shorten wastewater treatment cycle, and improve removal efficiency of nitrogen and phosphorus in waste water, thus realize the efficient process of Chinese turtle aquaculture effluent, it is at low cost, and suitable large-scale promotion easy to operate.

Description

A kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method
Technical field
The present invention relates to breeding soft-shell turtle technical field more particularly to a kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing methods.
Background technique
China is the country that breeding soft-shell turtle is largest in the world, and 2010, breeding soft-shell turtle amount was up to 29.08 ten thousand t, growth rate Up to 13.1%, nearly 15,000,000,000 yuan of annual value of production, to keep soft-shelled turtle fast-growth, soft-shelled turtle is generally using high protein fish-meal as staple food.By In efficiency of feed utilization only 70%~80%, breeding wastewater contains a large amount of high protein feeds and soft-shelled turtle excrement, and greenhouse soft-shelled turtle is caused to be supported Grow the nitrogen (N) and phosphorus (P) that waste water contains high concentration.The unordered discharge of greenhouse Chinese turtle aquaculture effluent has become Yangtze River Delta rural area One of important pollution sources, it is especially particularly evident in greenhouse breeding soft-shell turtle compact district, do not have also at present a set of feeding for greenhouse soft-shelled turtle Waste water quality is grown, and contaminant removal efficiency is high, operational administrative is simple, is suitble to the processing method promoted and applied.
Biofilter has many advantages, such as that operating load is high, occupied area is small, investment is small, treatment effeciency is high, supports in aquatic products It grows in wastewater treatment and is widely applied, and the selection of filler all has very big influence to filter tank treatment efficiency, operating cost etc., is to mention Rise the key of biological aerated filter treatment effect.Zeolite and active carbon filler have flourishing pore structure, huge specific surface Long-pending and stable physics and chemical property is excellent adsorbent and bio-carrier.
Summary of the invention
Based on the low technical problem of Chinese turtle aquaculture effluent treatment effeciency existing for background technique, the invention proposes a kind of temperature Room Chinese turtle aquaculture effluent hierarchical processing method, can effectively shorten wastewater treatment cycle, and improve removal efficiency of nitrogen and phosphorus in waste water, from And realize the efficient process of Chinese turtle aquaculture effluent.
A kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method proposed by the present invention, the method is in biological aerated filter It carries out, the biological aerated filter includes level-one filter tank and second level filter tank, and waste water is successively handled through first-level filtering pond and second level filter tank.
Preferably, the packing layer in level-one filter tank has 2 layers, it is at the middle and upper levels active carbon layer, lower layer is zeolite and active carbon Mixed filler layer.
Preferably, the packing layer in second level filter tank is montmorillonite.
Preferably, the described method comprises the following steps:
(1) it loads filler: being first uniformly mixed zeolite and active carbon, be seated in level-one filter tank as bottom mixed fillers Layer, is highly 50-100m, and layer of active carbon layer is loaded on mixed filler layer, and upper layer active carbon layer height is 40-60mm；
(2) biofilm: starting waste water lifting pump flows into waste water to be processed in biological aerated filter and floods packing layer, bored exposure Biofilm culture in 1-4 days；
(3) level-one filter tank is run: being brought into operation after stablizing, setting water flow is 100-200L/h；
(4) second level filter tank is run: being loaded one layer of montmorillonite in second level filter tank, is highly 40-90mm, by level-one filter pool Treated, and water is pumped into second level filter tank, water flow 100-200L/h.
Preferably, bottom activated carbon particle size is 0.1-1mm, sized zeolite particles 3-5mm, upper layer active carbon in step (1) Partial size is 1-10mm.
Preferably, in step (2), gas-water ratio 3-3.5:1.
Preferably, in step (3), gas-water ratio 4.57-5:1.
Preferably, water conservancy load is 2.5-3m in step (3)3/(m2h)。
Preferably, montmorillonite partial size is 2-10mm in second level filter tank.
Preferably, the mass ratio of zeolite and active carbon is 3-10:1 in mixed filler layer.
Technical solution of the present invention level-one filter tank filler efficiently uses zeolite to nitrogen phosphorus using zeolite and active carbon combined stuffing Strong absorption property and active carbon to the absorption property of impurity and dissolved organic matter, it is living using upper layer on the basis of zeolite absorption Property charcoal carry out deep processing, further remove waste water in remaining a small amount of ammonia nitrogen and dissolved organic matter.Zeolite and active carbon is equal Even mixing is used as mixed filler layer, and the lesser active carbon of partial size is dispersed between the biggish zeolite granular of partial size, active carbon Granularity is smaller, therefore specific surface area with higher, to the intracorporal nitrogen phosphorus compound of water, organic matter and oxygen in water Adsorption capacity is larger so that nitrogen phosphorus compound, organic matter and oxygen in water are more enriched in mixed filler layer, zeolite and The mixed packing of active carbon provides abundant and necessary nutriment for the formation of biomembrane, is conducive to the formation of biomembrane, contracting The period of short Biofilm Colonization improves the waste water treatment efficiency in filter tank, and furthermore the active carbon in mixed filler layer helps to improve life The phenomenon that adhesive force of object film, the turbulent flow for avoiding high gas-water ratio from being formed causes biofilm detachment.The increase of aeration quantity, promotes life The update of object film, while the effect of stronger air scour makes biofilm detachment, increases water turbidity, during biofilm, biomembrane shape Lower at oxygen concentration needed for period, setting gas-water ratio is 3-3.5:1, has not only been able to satisfy microorganism growth demand, but also can ensure life Object film stablizes attachment, and after biofilm terminates and stablizes, adjustment gas-water ratio is 4.57-5:1, because single in biological aerated filter The nitrogen oxygen demand of site concentration is 4.57 times of the oxygen demand of unit concentration organic matter, and the gas-water ratio range of 4.57-5:1 can protect Demonstrate,prove the sufficient oxygen demand of biomembrane, bottom active carbon under the stronger adhesive force of biomembrane and be avoided that falling off for biomembrane, Further increase the waste treatment capacity and efficiency in filter tank.
After the long-time use of level-one filter tank, treated, and water may have slight turbidity and a small amount of heavy metal ion Deng water being pumped into second level filter tank, montmorillonite has very strong adsorption capacity and cation exchange property, passes through montmorillonite physics Under absorption and the double action of chemisorption, suspended matter and metal ion etc. in water, the water quality energy handled are further adsorbed Meet breeding soft-shell turtle water quality requirement, secondary use can be carried out, saves water resource.Therefore, technical solution of the present invention has efficient Waste treatment capacity, the related dopant species of processing are comprehensive, at low cost, and suitable large-scale promotion easy to operate.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method, the method carry out in biological aerated filter, the exposure Gas biofilter includes level-one filter tank and second level filter tank, and waste water is successively handled through first-level filtering pond and second level filter tank, level-one filter tank Packing layer has 2 layers, is at the middle and upper levels active carbon layer, and lower layer is the mixed filler layer of zeolite and active carbon, the filler in second level filter tank Layer is montmorillonite, be the described method comprises the following steps:
(1) it loads filler: being first uniformly mixed zeolite and active carbon, the mass ratio of zeolite and active carbon is 10:1, filling Bottom mixed filler layer is used as in level-one filter tank, mixed fillers layer height is 100m, activated carbon particle size 1mm, sized zeolite particles For 5mm, layer of active carbon layer is loaded on mixed filler layer, upper layer active carbon layer height is 60mm, upper layer activated carbon particle size For 10mm；
(2) biofilm: starting waste water lifting pump flows into waste water to be processed in biological aerated filter and floods packing layer, air water Than for 3.5:1, bored exposure biofilm culture in 1 day；
(3) level-one filter tank run: stablize after bring into operation, setting water flow be 200L/h, gas-water ratio 5:1, water conservancy bear Lotus is 3m3/(m2h)；
(4) second level filter tank is run: being loaded one layer of montmorillonite in second level filter tank, is highly 90mm, at level-one filter pool Water after reason is pumped into second level filter tank, water flow 200L/h, and montmorillonite partial size is 10mm in second level filter tank.
The present embodiment is lower 15 degrees Celsius progress in room temperature, and the biofilm period is 18 days, using following analysis method: COD: COD Quick testing instrument (measurement is CODcr)；Total nitrogen: over cure acid oxidase-ultraviolet spectrophotometry；Total phosphorus: potassium peroxydisulfate disappears Solution.Through detecting, COD removal rate is 91%, and the removal rate of total nitrogen is up to 97.1%, and total tp removal rate is up to 96.3%.
Embodiment 2
A kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method, the method carry out in biological aerated filter, the exposure Gas biofilter includes level-one filter tank and second level filter tank, and waste water is successively handled through first-level filtering pond and second level filter tank, level-one filter tank Packing layer has 2 layers, is at the middle and upper levels active carbon layer, and lower layer is the mixed filler layer of zeolite and active carbon, the filler in second level filter tank Layer is montmorillonite, be the described method comprises the following steps:
(1) it loads filler: being first uniformly mixed zeolite and active carbon, the mass ratio of zeolite and active carbon is 4:1, is seated in Bottom mixed filler layer is used as in level-one filter tank, mixed fillers layer height is 75m, activated carbon particle size 0.6mm, and sized zeolite particles are 4mm loads layer of active carbon layer on mixed filler layer, and upper layer active carbon layer height is 50mm, and upper layer activated carbon particle size is 3mm；
(2) biofilm: starting waste water lifting pump flows into waste water to be processed in biological aerated filter and floods packing layer, air water Than for 3.3:1, bored exposure biofilm culture in 3 days；
(3) level-one filter tank is run: being brought into operation after stablizing, setting water flow is 160L/h, gas-water ratio 4.8:1, water conservancy Load is 2.6m3/(m2h)；
(4) second level filter tank is run: being loaded one layer of montmorillonite in second level filter tank, is highly 70mm, at level-one filter pool Water after reason is pumped into second level filter tank, water flow 130L/h, and montmorillonite partial size is 5mm in second level filter tank.
The present embodiment is lower 15 degrees Celsius progress in room temperature, and the biofilm period is 18 days, using following analysis method: COD: COD Quick testing instrument (measurement is CODcr)；Total nitrogen: over cure acid oxidase-ultraviolet spectrophotometry；Total phosphorus: potassium peroxydisulfate disappears Solution.Through detecting, COD removal rate is 89.2%, and the removal rate of total nitrogen is up to 98.9%, and total tp removal rate is up to 96.4%
Embodiment 3
A kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method, the method carry out in biological aerated filter, the exposure Gas biofilter includes level-one filter tank and second level filter tank, and waste water is successively handled through first-level filtering pond and second level filter tank, level-one filter tank Packing layer has 2 layers, is at the middle and upper levels active carbon layer, and lower layer is the mixed filler layer of zeolite and active carbon, the filler in second level filter tank Layer is montmorillonite, be the described method comprises the following steps:
(1) it loads filler: being first uniformly mixed zeolite and active carbon, the mass ratio of zeolite and active carbon is 3:1, is seated in Bottom mixed filler layer is used as in level-one filter tank, mixed fillers layer height is 50m, activated carbon particle size 0.1mm, and sized zeolite particles are 3mm loads layer of active carbon layer on mixed filler layer, and upper layer active carbon layer height is 40mm, and upper layer activated carbon particle size is 1mm；
(2) biofilm: starting waste water lifting pump flows into waste water to be processed in biological aerated filter and floods packing layer, air water Than for 3:1, bored exposure biofilm culture in 4 days；
(3) level-one filter tank is run: being brought into operation after stablizing, setting water flow is 100L/h, gas-water ratio 4.57:1, water conservancy Load is 2.5m3/(m2h)；
(4) second level filter tank is run: being loaded one layer of montmorillonite in second level filter tank, is highly 40mm, at level-one filter pool Water after reason is pumped into second level filter tank, water flow 100L/h, and montmorillonite partial size is 2-10mm in second level filter tank.
The present embodiment is lower 15 degrees Celsius progress in room temperature, and the biofilm period is 18 days, using following analysis method: COD: COD Quick testing instrument (measurement is CODcr)；Total nitrogen: over cure acid oxidase-ultraviolet spectrophotometry；Total phosphorus: potassium peroxydisulfate disappears Solution.Through detecting, COD removal rate is 87.1%, and the removal rate of total nitrogen is up to 98.5%, and total tp removal rate is up to 95%.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (10)

1. a kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method, which is characterized in that the method in biological aerated filter into Row, the biological aerated filter include level-one filter tank and second level filter tank, and waste water is successively handled through first-level filtering pond and second level filter tank.
2. a kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method according to claim 1, which is characterized in that level-one filter tank Packing layer have 2 layers, be at the middle and upper levels active carbon layer, lower layer is the mixed filler layer of zeolite and active carbon.
3. a kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method according to claim 1 or 2, which is characterized in that second level The packing layer in filter tank is montmorillonite.
4. a kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method according to claim 3, which is characterized in that the method The following steps are included:
(1) it loads filler: being first uniformly mixed zeolite and active carbon, be seated in level-one filter tank as bottom mixed filler layer, Height is 50-100m, and layer of active carbon layer is loaded on mixed filler layer, and upper layer active carbon layer height is 40-60mm；
(2) biofilm: starting waste water lifting pump flows into waste water to be processed in biological aerated filter and floods packing layer, bored exposure 1-4 Its biofilm culture；
(3) level-one filter tank is run: being brought into operation after stablizing, setting water flow is 100-200L/h；
(4) second level filter tank is run: being loaded one layer of montmorillonite in second level filter tank, is highly 40-90mm, level-one filter pool is handled Water afterwards is pumped into second level filter tank, water flow 100-200L/h.
5. a kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method according to claim 4, which is characterized in that step (1) In, bottom activated carbon particle size is 0.1-1mm, and sized zeolite particles 3-5mm, upper layer activated carbon particle size is 1-10mm.
6. a kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method according to claim 4, which is characterized in that step (2) In, gas-water ratio 3-3.5:1.
7. a kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method according to claim 4, which is characterized in that step (3) In, gas-water ratio 4.57-5:1.
8. a kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method according to claim 4, which is characterized in that step (3) In, water conservancy load is 2.5-3m3/(m2h)。
9. a kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method according to claim 4, which is characterized in that second level filter tank Middle montmorillonite partial size is 2-10mm.
10. a kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method, feature according to claim 2-9 any one exist In the mass ratio of zeolite and active carbon is 3-10:1 in mixed filler layer.
CN201810962417.4A 2018-08-22 2018-08-22 A kind of greenhouse Chinese turtle aquaculture effluent hierarchical processing method Withdrawn CN109111028A (en)

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Application publication date: 20190101