CN107140702A - Livestock culture, butcher processing method and deodorization sewage-treating agent with sanitary sewage - Google Patents
Livestock culture, butcher processing method and deodorization sewage-treating agent with sanitary sewage Download PDFInfo
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- CN107140702A CN107140702A CN201710596135.2A CN201710596135A CN107140702A CN 107140702 A CN107140702 A CN 107140702A CN 201710596135 A CN201710596135 A CN 201710596135A CN 107140702 A CN107140702 A CN 107140702A
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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
- C02F1/00—Treatment of water, waste water, or sewage
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- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5272—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using specific organic precipitants
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
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- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
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- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- 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
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- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
- C02F1/763—Devices for the addition of such compounds in gaseous form
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- 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
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- 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
- C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
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- C02F2209/16—Total nitrogen (tkN-N)
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- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
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- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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- C02F2303/14—Maintenance of water treatment installations
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
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- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/307—Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
Abstract
The present invention relates to sewage treatment area, and in particular to a kind of livestock culture, the processing method of slaughter technics and sanitary sewage and deodorization sewage-treating agent.The technical problem to be solved in the present invention is to provide the grease in a kind of utilization waste water, with self-cleaning function, the livestock culture that stink can be eliminated, generation sludge is avoided, butcher and domestic sewage processing method, with without acidification removal grease, without neutralisation treatment, it is to avoid the characteristics of polluting environment.Processing method mainly includes the biochemical circular treatment of efficient nitrogen phosphorus, sludge and reclaims grease, disinfects.Sewage is handled using the present invention, can make equipment that there is automatically cleaning effect, equipment will not corrosion, do not have greasy dirt；Also solve in degradation of organic substances while except the problem of ammonia nitrogen and heavy metal, being suitable for plant, the sewage disposal in slaughterhouse of different breeding scale, can equally be well applied to sanitary sewage etc. has the sewage of high COD or high ammonia nitrogens.
Description
Technical field
The present invention relates to sewage treatment area, and in particular to the processing of a kind of livestock culture, slaughter technics and sanitary sewage
Method and deodorization sewage-treating agent.
Background technology
Livestock and poultry cultivation sewage, meat packing plant's sewage and human lives' sewage, are all the high concentrations containing a large amount of pathogen
Organic sewage, is one of primary pollution source of water body.Contain large amount of organic in these sewage, such as cellulose, starch, carbohydrate,
Fat, hair, protein etc.；Also containing pathogen, virus and parasitic ovum；Chloride, sulfate, the phosphoric acid of inorganic salts
Salt, bicarbonate and sodium, potassium, calcium, magnesium etc..Total the characteristics of is to contain substantial amounts of ammonia nitrogen, ammonia, nitrogen, sulphur and phosphorus, in anaerobic bacteria effect
Under, easily give birth to odorant.These sewage are concentrated mainly on generation in the short time, and its sewage flow rate is big, and water quality and quantity is discharged not
Harmonious stronger, waste water control workload is big.Traditional handicraft handles these sewage, and operating load is relatively low, and water outlet CODcr is difficult to reach
To the emission request of new standard；Remove ammonia nitrogen, total nitrogen, total phosphorus ability relatively low, easily produce foul gas and sludge；Due also to
Cost of investment is high, high energy consumption, and operating cost is high, and complex process, operational management difficulty is big.
This kind of ammonia nitrogen in sewage content is very high, and conventional sewage water denitrification technology is traditional biological denitrogenation at present, that is, is passed through
Nitrification-denitrification process makes mineralized nitrogen be nitrogen.Nitrification and denitrification is two mutually contradictory processes, nitration reaction by
The effect of nitrobacteria, will be carried out under aerobic environment；Anti-nitration reaction then need to by means of denitrifying bacterium effect, be in anaerobic
Under the conditions of carry out；And traditional biological denitrification process needs substantial amounts of organic carbon source as electron donor, if C/N<2.5, do not have
Additional organic carbon source, denitrification just can not be carried out effectively, and if C/N<4, denitrification container volume will improve 1.5-1.7
Times；Therefore when processing cultivates, butchers ultralow C/N ratios high concentration nitrogen-containing waste water this kind of with sanitary wastewater, traditional biological denitrogenation work
Skill shows great limitation.Prior art does not have the sewage seen for this kind of ultralow C/N than high concentration nitrogen-containing waste water yet
Inorganic agent.Existing sewage-treating agent can also influence the activity of mushroom, reduce nitric efficiency.
Grease in sewage needs special disposal, and existing processing method is to be entered by grid at oil interceptor, acidified oil removal
Recyclable substantial amounts of grease after reason, to mitigate the organic loading of subsequent treatment process.Sewage goes skim-coat to float by oil interceptor
Enter after oil and neutralize regulating reservoir, regulating reservoir wastewater reuse pump is pumped into flotation tank, remove floating carburetion in sewage, phosphatide, soap stock,
COD etc..Existing except oil technology is excessively complicated, sewage treating efficiency is low, it is necessary to be acidified and neutralize regulating step, easily generation
Secondary pollution.And the equipment greasy dirt for removing grease is serious, and the smell is awful, it is necessary to which periodic cleaning, can also produce secondary pollution.
Sewage treatment plant can produce foul odour and noise, and negative effect, addressing underaction are considered during addressing.Place
Spot is more in reason equipment, and corrosion is more, not attractive in appearance enough.
The content of the invention
In order to solve above-mentioned deficiency, the technical problem to be solved in the present invention is to provide the grease in a kind of utilization waste water, tool
There is self-cleaning function, stink can be eliminated, avoid producing the livestock culture of sludge, butcher and domestic sewage processing method, with nothing
Acidification is needed to remove grease, without neutralisation treatment, it is to avoid the characteristics of polluting environment.
Sewage disposals of the ultralow C/N than high concentration nitrogen-containing waste water can be handled it is a further object of the present invention to provide a kind of
Agent, with elimination stink, automatically cleaning sewage apparatus, does not influence the characteristics of mushroom is active.
In order to realize the goal of the invention of the present invention, the present invention is adopted the following technical scheme that：
A kind of sewage-treating agent for eliminating stink, it is as follows by weight：30-70 parts of calcium oxide, 5-25 parts of manganese nitrate, trichlorine
Change 10-50 parts of iron, 15-70 parts of calcium carbonate, 1-10 parts of calcium bromide.
It is preferred that, a kind of sewage-treating agent for eliminating stink is as follows by weight：40-60 parts of calcium oxide, manganese nitrate 7-20
Part, 20-40 parts of ferric trichloride, 30-50 parts of calcium carbonate, 2-6 parts of calcium bromide.
The processing method of a kind of livestock culture, slaughter technics and sanitary sewage, using following steps：
(1) sewage-treating agent is added in sewage, sewage-treating agent is as follows by weight：30-70 parts of calcium oxide, manganese nitrate 5-
25 parts, 10-50 parts of ferric trichloride, 15-70 parts of calcium carbonate, 1-10 parts of calcium bromide；
(2) sewage obtained by (1) through efficient nitrogen phosphorus biochemical circulating treating system set in biochemical treatment, processing system
It is equipped with denitrification unit, anaerobism self-loopa unit, ammonia oxidation unit；
(3) separation of solid and liquid is handled：The sediment that (2) are produced carries out pulp water separation, and filtrate is without obvious solid content, and filtrate is certainly
Flow into sterilization pool；
(4) recycling precipitate：It will be used to reclaim grease after the recycling precipitate in (3)；
(5) sterilization pool, qualified discharge：The filtrate of (3) is used into quartz sand filtration, is produced and disappeared using chlorine dioxide generator
Chemical agent decontamination sewage, sterilizes time of contact >=half an hour.
The solid content after grease is reclaimed in step (4) can be with cycle applications in step (1).
In step (2), denitrification unit sets denitrification zone, settling zone, and each subregion is by training wall (plate) subregion, instead
Nitrification zone dissolved oxygen control 0.07mg/L~0.3mg/L, surface loading control 1m3/m2.h~3.5m3/m2.h of settling zone.
In step (2), anaerobism self-loopa unit sets mixed zone, three-phase separation area, and mixed zone passes through with three-phase separation area
Dividing plate is set to separate, design organic matter volumetric loading is 5KgCOD/m3.d~18KgCOD/m3.d, the reaction time of mixed zone is controlled
1h~3h processed, the ss suspended solid control ＜ 100mg/L of three-phase separation area.
In step (2), ammonia oxidation unit sets mixing arrangement, is become reconciled while ammonia oxidation unit includes Anammox reaction
Anaerobic ammonium oxidation reacts.
Calcium oxide has regulation pH value, except phosphate, removing heavy metals, reduction BOD, the killing effect such as bacterium and virus, oxygen
Change the amount of grease in calcium and sewage and carry out saponification generation fatty acid calcium and glycerine, fatty acid calcium molecule wraps up pollutant
Get up and separated with water, be easy to from sewage go the removal of impurity, while cleaning up sewage disposal device, sewage apparatus is had from clear
Clean function.Fatty acid calcium acts synergistically as flocculant and calcium carbonate, pollutant quickly condensed, precipitated, and is easier after precipitation
Separated with water.Glycerine provides nutrient for the mushroom in sewage disposal, makes mushroom amount reproduction, improves the efficiency of nitrification-denitrification.
Calcium bromide can avoid high ammonia nitrogen from producing the organic matter effect in suppression, calcium bromide and sewage to mushroom microorganism, be conducive to mushroom
The breeding of microorganism and activity, improve treatment effeciency.Calcium carbonate is not dissolved, after being combined as weighting agent and flocculant, pollutant
Rapid precipitation, is easy to separate with water.Calcium carbonate powder is absorbed after grease, is easily separated with water, can be using heating, machinery, leaching
The calcium carbonate powder that the method gone out is reclaimed after the grease of absorption, recovery grease, which can be continued cycling through, to be used.
The rubbing action of calcium carbonate powder makes sewage apparatus keep light one new, will not corrosion, produce spot, can be long-term
Use, equipment cleaning is carried out without labor intensive and time.Save use cost, it is to avoid cleaning equipment uses various cleaning agents
Pollute environment.
Beneficial effects of the present invention：
1st, the sewage of various concentration and discharge capacity can be flexibly applied to by increasing and decreasing the consumption of sewage-treating agent, realized
Carbon, nitrogen, the efficient low-consume synchronization process of phosphorus remove total nitrogen, ammonia nitrogen, total phosphorus.
2nd, denitrifying high efficiency is realized by the use of organic matter abundant in waste water as denitrifying carbon source；What the present invention was provided
Sufficient basicity can be provided for nitrification by eliminating the sewage-treating agent of stink, without additional carbon.
3rd, using the fat generation cleaning group in waste water, cleaning group wraps pollutant as flocculant, in carbonic acid
It is easier to separate with sewage in the presence of calcium；Cleaning group simultaneously can set in cleaning sewage disposal during sewage is handled
Standby, therefore, the sewage disposal device using the present invention has self-cleaning function, more with cleaner.The oil that cleaning group is wrapped
Fat molecule is easier to be recovered and reused.
4th, the sewage-treating agent for the elimination stink that the present invention is provided does not influence the activity of mushroom, by the organic matter in sewage point
Solution improves the decomposition efficiency of mushroom into the absorption and degraded of small-molecule substance, such as glycerine etc., more conducively mushroom, promotes mushroom
Breeding.Greatly improve sewage treating efficiency.
5th, sewage-treating agent can adjust nitrifying process, reduce dissolved oxygen, it is to avoid Nitrite accumulation；Than traditional handicraft section
About 35% or so aerobic energy consumption, the carbon source of saving 45% or so.
6th, the generation of sludge quantity is effectively reduced, it is to avoid the generation of foul gas, sludge (sediment) does not expand, and does not have excessive
The hidden danger gone out.Therefore the automaticity of technique is high, achievable unattended, there will not be foul gas pollution environment.Aeration
Technique is few, and noise is few.Therefore, the selection in sewage disposal place is more flexible.Can addressing nearby, rapid sewage treating.
7th, anti-load-bearing capacity is strong, is suitable for the significantly change of water quality.
8th, invest small, occupation of land is small, technique is simple, production efficiency is high, wide adaptation range is not likely to produce secondary pollution, grease
Easily reclaim.When handling sewage, grease is removed without acidification, without neutralisation treatment, it is to avoid pollution environment.
Country can be reached using sewage after the method processing of the present invention《Livestock and poultry breeding industry pollution discharge standard》
GB18596-2001 requirement, not only can effectively solve the problems, such as the qualified discharge that livestock and poultry cultivation industry sewage is administered, also solve
In degradation of organic substances simultaneously except the problem of ammonia nitrogen, it is suitable for the sewage disposal of the plant of large, medium and small different breeding scale, together
Sample is also suitable for municipal sanitary sewage, the sewage disposal with high COD or high ammonia nitrogens characteristic, has a extensive future.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
A kind of sewage-treating agent for eliminating stink, it is as follows by weight：70 parts of calcium oxide, 22 parts of manganese nitrate, ferric trichloride
15 parts, 50 parts of calcium carbonate, 5 parts of calcium bromide.
Embodiment 2
A kind of sewage-treating agent for eliminating stink, it is as follows by weight：35 parts of calcium oxide, 15 parts of manganese nitrate, ferric trichloride
40 parts, 20 parts of calcium carbonate, 9 parts of calcium bromide.
Embodiment 3
A kind of sewage-treating agent for eliminating stink, it is as follows by weight：50 parts of calcium oxide, 8 parts of manganese nitrate, ferric trichloride 30
Part, 42 parts of calcium carbonate, 3 parts of calcium bromide.
Embodiment 4
A kind of sewage-treating agent for eliminating stink, it is as follows by weight：65 parts of calcium oxide, 17 parts of manganese nitrate, ferric trichloride
20 parts, 66 parts of calcium carbonate, 7 parts of calcium bromide.
Embodiment 5
Certain Zhejiang cultivation factory aquaculture wastewater, 100 tons of aquaculture wastewater of day discharge, the major pollutants CODcr of sewage is 8000-
15000mg/L, ammonia nitrogen is 700-1300mg/L, and SS is 7000-14000mg/L, and pH is 6-9.
Handling process is：
(1) sewage-treating agent 15KG is added in sewage, sewage-treating agent is as follows by weight：32 parts of calcium oxide, manganese nitrate
10 parts, 24 parts of ferric trichloride, 25 parts of calcium carbonate, 9 parts of calcium bromide；Regulating reservoir is easily designed to 120 cubic metres.
(2) sewage obtained by (1) is subjected to biochemical treatment through the biochemical circulating treating system of efficient nitrogen phosphorus, total measurement (volume) is 700
Cubic meter.Denitrification unit, anaerobism self-loopa unit, ammonia oxidation unit are provided with processing system.
Denitrification unit sets denitrification zone, settling zone, and each subregion passes through training wall (plate) subregion, denitrification zone dissolving
Oxygen controls 0.07mg/L~0.15mg/L, surface loading control 1m3/m2.h~2m3/m2.h of settling zone.
Anaerobism self-loopa unit sets mixed zone, three-phase separation area, and mixed zone is with three-phase separation area by setting dividing plate point
It is 5KgCOD/m3.d~10KgCOD/m3.d from, design organic matter volumetric loading, the reaction time control 1h of mixed zone~
1.5h, the ss suspended solid control ＜ 80mg/L of three-phase separation area.
Ammonia oxidation unit sets mixing arrangement, while ammonia oxidation unit includes Anammox reaction and aerobic ammonia oxidation is anti-
Should.
(3) separation of solid and liquid is handled：The sediment that (2) are produced carries out pulp water separation, and filtrate is without obvious solid content, and filtrate is certainly
Flow into sterilization pool；
(4) recycling precipitate：After recycling precipitate in (3) grease will be reclaimed with Mechanical Method；Reclaim the solid after grease
Thing cycle applications are in step (1).
(5) sterilization pool：The filtrate of (3) is used into quartz sand filtration, is produced and disappeared using chlorine dioxide generator (200g/h)
Chemical agent decontamination sewage, sterilizes time of contact >=half an hour.
After being handled using the inventive method, effluent quality reaches following index：CODcr is 74mg/L, BOD5For 21mg/L,
Ammonia nitrogen is 20mg/L, and total nitrogen is 25mg/L, and total phosphorus is 2mg/L, and SS is 50mg/L, and PH=7.5-8, excrement colibacillus group number is 240
Individual/100ml, roundworm egg is 0/L, and total copper is 0mg/L, and total chromium is 0.03mg/L, and total zinc is 0.7mg/L, is met《Livestock and poultry are supported
Grow industry pollution discharge standard》GB18596-2001 requirement.Sewage disposal device non-corroding, it is clean without greasy dirt, add dirty
Sewage stink is eliminated after water treatment agent, odorless during processing sewage.
Sediment yield is few in step (4), and sediment is solid not to be expanded, and easily precipitation is difficult by broken off by water flush, easily dehydration；Water is saturating
Lightness is high, and water turbidity is almost 0.Precipitum pH is neutral, does not produce secondary pollution, belongs to environmental protection product (other flocculants
The sludge majority of generation is acidity, and pH value is between 4-5).
Embodiment 6
Certain Zhejiang slaughterhouse factory slaughter technics, day discharges 300 tons of aquaculture wastewater, and the major pollutants CODcr of sewage is
9000-20000mg/L, ammonia nitrogen is 1000-1800mg/L, and SS is 9000-18000mg/L, and pH is 6-9.3.
Handling process is：
(1) sewage-treating agent 50KG is added in sewage, sewage-treating agent is as follows by weight：70 parts of calcium oxide, manganese nitrate
22 parts, 16 parts of ferric trichloride, 50 parts of calcium carbonate, 5 parts of calcium bromide；Regulating reservoir is easily designed to 320 cubic metres.
(2) sewage obtained by (1) is subjected to biochemical treatment through the biochemical circulating treating system of efficient nitrogen phosphorus, total measurement (volume) is 1500
Cubic meter.Denitrification unit, anaerobism self-loopa unit, ammonia oxidation unit are provided with processing system.
Denitrification unit sets denitrification zone, settling zone, and each subregion passes through training wall (plate) subregion, denitrification zone dissolving
Oxygen controls 0.07mg/L~0.1mg/L, surface loading control 1m3/m2.h~2.5m3/m2.h of settling zone.
Anaerobism self-loopa unit sets mixed zone, three-phase separation area, and mixed zone is with three-phase separation area by setting dividing plate point
It is 8KgCOD/m3.d~20KgCOD/m3.d from, design organic matter volumetric loading, the reaction time control 1h of mixed zone~
1.5h, the ss suspended solid control ＜ 80mg/L of three-phase separation area.
Ammonia oxidation unit sets mixing arrangement, while ammonia oxidation unit includes Anammox reaction and aerobic ammonia oxidation is anti-
Should.
(3) separation of solid and liquid is handled：The sediment that (2) are produced carries out pulp water separation, and filtrate is without obvious solid content, and filtrate is certainly
Flow into sterilization pool；
(4) recycling precipitate：After recycling precipitate in (3) grease will be reclaimed with lixiviation process；Reclaim the solid after grease
Thing cycle applications are in step (1).
(5) sterilization pool：The filtrate of (3) is used into quartz sand filtration, is produced and disappeared using chlorine dioxide generator (250g/h)
Chemical agent decontamination sewage, sterilizes time of contact >=half an hour.
After being handled using the inventive method, effluent quality reaches following index：CODcr is 80mg/L, BOD5For 21mg/L,
Ammonia nitrogen is 15mg/L, and total nitrogen is 23mg/L, and total phosphorus is 2.5mg/L, and SS is 50mg/L, and PH=7-8, excrement colibacillus group number is 220
Individual/100ml, roundworm egg is 0/L, and total copper is 0mg/L, and total chromium is 0.07mg/L, and total zinc is 0.5mg/L, is met《Livestock and poultry are supported
Grow industry pollution discharge standard》GB18596-2001 requirement.Sewage disposal device non-corroding, it is clean without greasy dirt, add dirty
Sewage stink is eliminated after water treatment agent.
Sediment yield is few in step (4), and sediment is solid not to be expanded, and easily precipitation is difficult by broken off by water flush, easily dehydration；Water is saturating
Lightness is high, and water turbidity is almost 0.Precipitum pH is neutral, does not produce secondary pollution, belongs to environmental protection product (other flocculants
The sludge majority of generation is acidity, and pH value is between 4-5).
Embodiment 7
Certain Zhejiang sewage treatment plant handles sanitary sewage, 1000 tons of sanitary sewage of day discharge, the major pollutants of sewage
CODcr is 300-500mg/L, and ammonia nitrogen is 30-60mg/L, and SS is 100-200mg/L, and pH is 6.5-9.5.
Handling process is：
(1) sewage-treating agent 10KG is added in sewage, sewage-treating agent is as follows by weight：50 parts of calcium oxide, manganese nitrate 8
Part, 30 parts of ferric trichloride, 38 parts of calcium carbonate, 4 parts of calcium bromide；Regulating reservoir is easily designed to 1000 cubic metres.
(2) sewage obtained by (1) is subjected to biochemical treatment through the biochemical circulating treating system of efficient nitrogen phosphorus, total measurement (volume) is 5000
Cubic meter.Denitrification unit, anaerobism self-loopa unit, ammonia oxidation unit are provided with processing system.
Denitrification unit sets denitrification zone, settling zone, and each subregion passes through training wall (plate) subregion, denitrification zone dissolving
Oxygen controls 0.02mg/L~0.05mg/L, surface loading control 0.5m3/m2.h~2.5m3/m2.h of settling zone.
Anaerobism self-loopa unit sets mixed zone, three-phase separation area, and mixed zone is with three-phase separation area by setting dividing plate point
It is 1KgCOD/m3.d~10KgCOD/m3.d from, design organic matter volumetric loading, the reaction time control 1h of mixed zone~
1.5h, the ss suspended solid control ＜ 10mg/L of three-phase separation area.
Ammonia oxidation unit sets mixing arrangement, while ammonia oxidation unit includes Anammox reaction and aerobic ammonia oxidation is anti-
Should.
(3) separation of solid and liquid is handled：The sediment that (2) are produced carries out pulp water separation, and filtrate is without obvious solid content, and filtrate is certainly
Flow into sterilization pool；
(4) recycling precipitate：After recycling precipitate in (3) grease will be reclaimed with lixiviation process；Reclaim the solid after grease
Thing cycle applications are in step (1).
(5) sterilization pool：The filtrate of (3) is used into quartz sand filtration, sterilization is produced using chlorine dioxide generator (50g/h)
Agent disinfecting sewage water, sterilizes time of contact >=half an hour.
After being handled using the inventive method, effluent quality reaches following index：CODcr is 30mg/L, BOD5For 9mg/L,
Ammonia nitrogen is 5mg/L, and total nitrogen is 9mg/L, and total phosphorus is 0.4mg/L, and SS is 8mg/L, PH=7-7.5, excrement colibacillus group number is 31/
100ml, roundworm egg is 0/L, and total copper is 0mg/L, and total chromium is 0.04mg/L, and total zinc is 0.4mg/L, is met《Sanitary sewage
Discharge standard》GB 18918-2002 requirement.Sewage disposal device non-corroding, it is clean without greasy dirt, add after sewage-treating agent
Sewage stink is eliminated, odorless during processing sewage.
Sediment yield is few in step (4), and sediment is solid not to be expanded, and easily precipitation is difficult by broken off by water flush, easily dehydration；Water is saturating
Lightness is high, and water turbidity is almost 0.Precipitum pH is neutral, does not produce secondary pollution, belongs to environmental protection product (other flocculants
The sludge majority of generation is acidity, and pH value is between 4-5).
Contrast experiment：Reference examples 1
Using with the identical prescription of embodiment 1, different places is not containing calcium bromide.
Reference examples 2
Using with the identical prescription of embodiment 2, different places is not containing calcium bromide.
Contrast experiment：Embodiment 1,2 and reference examples 1,2 are respectively used to the sewage of Processing Example 6, handling process and reality
Apply example 6 identical.
Experiment difference is embodied in step (2) and is given birth to the sewage obtained by (1) through the biochemical circulating treating system of efficient nitrogen phosphorus
In the efficiency for changing processing.
Embodiment 1：6 hour completion processing.Embodiment 2：7.5 hour completion processing.
Reference examples 1:17 hour completion processing.Reference examples 2:21 hour completion processing.
It the above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
The limitation of the present invention, protection scope of the present invention should be defined by claim limited range.For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as protection scope of the present invention.
Claims (5)
1. the processing method of a kind of livestock culture, slaughter technics and sanitary sewage, it is characterised in that use following steps：
(1) sewage-treating agent is added in sewage, sewage-treating agent is as follows by weight：30-70 parts of calcium oxide, manganese nitrate 5-25
Part, 10-50 parts of ferric trichloride, 15-70 parts of calcium carbonate, 1-10 parts of calcium bromide；
(2) sewage obtained by (1) through efficient nitrogen phosphorus biochemical circulating treating system be provided with biochemical treatment, processing system
Denitrification unit, anaerobism self-loopa unit, ammonia oxidation unit；
(3) separation of solid and liquid is handled：The sediment that (2) are produced carries out pulp water separation, and filtrate flows into certainly without obvious solid content, filtrate
Sterilization pool；
(4) recycling precipitate：It will be used to reclaim grease after the recycling precipitate in (3)；
(5) sterilization pool, qualified discharge：The filtrate of (3) is used into quartz sand filtration, disinfectant is produced using chlorine dioxide generator
Disinfecting sewage water, sterilizes time of contact >=half an hour.
2. the processing method of a kind of livestock culture according to claim 1, slaughter technics and sanitary sewage, its feature exists
In：The solid content after grease is reclaimed in step (4) can be with cycle applications in step (1).
3. the processing method of a kind of livestock culture according to claim 1, slaughter technics and sanitary sewage, its feature exists
In：In step (2), denitrification unit sets denitrification zone, settling zone, and each subregion passes through training wall (plate) subregion, denitrification
Area dissolved oxygen control 0.07mg/L~0.3mg/L, surface loading control 1m3/m2.h~3.5m3/m2.h of settling zone.
4. the processing method of a kind of livestock culture according to claim 1, slaughter technics and sanitary sewage, its feature exists
In：In step (2), anaerobism self-loopa unit sets mixed zone, three-phase separation area, mixed zone and three-phase separation area by set every
Plate is separated, and design organic matter volumetric loading is 5KgCOD/m3.d~18KgCOD/m3.d, and the reaction time control 1h of mixed zone~
3h, the ss suspended solid control ＜ 100mg/L of three-phase separation area.
5. the processing method of a kind of livestock culture according to claim 1, slaughter technics and sanitary sewage, its feature exists
In：In step (2), ammonia oxidation unit sets mixing arrangement, while ammonia oxidation unit includes Anammox reaction and aerobic ammonia
Oxidation reaction.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110937714A (en) * | 2019-11-06 | 2020-03-31 | 广东水清环保科技有限公司 | Method and system for removing heavy metals in livestock and poultry breeding sewage |
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| CN1110960A (en) * | 1994-04-26 | 1995-11-01 | 杨伟宏 | Technique for prodn. of most effective organic and inorganic compound water purifying agent |
| CN101456613A (en) * | 2008-10-30 | 2009-06-17 | 芜湖凯奥尔环保科技有限公司 | Composite powdery calcium sulphate sewage treating agent and preparation method thereof |
| CN102642985A (en) * | 2012-04-23 | 2012-08-22 | 南京师范大学 | Method and system for treatment and recycling of feces and waste from livestock and poultry culture |
| CN102807302A (en) * | 2012-08-27 | 2012-12-05 | 广西玉林市大智环保工程有限公司 | Method for treating livestock and poultry breeding waste water |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1110960A (en) * | 1994-04-26 | 1995-11-01 | 杨伟宏 | Technique for prodn. of most effective organic and inorganic compound water purifying agent |
| CN101456613A (en) * | 2008-10-30 | 2009-06-17 | 芜湖凯奥尔环保科技有限公司 | Composite powdery calcium sulphate sewage treating agent and preparation method thereof |
| CN102642985A (en) * | 2012-04-23 | 2012-08-22 | 南京师范大学 | Method and system for treatment and recycling of feces and waste from livestock and poultry culture |
| CN102807302A (en) * | 2012-08-27 | 2012-12-05 | 广西玉林市大智环保工程有限公司 | Method for treating livestock and poultry breeding waste water |
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| CN110937714A (en) * | 2019-11-06 | 2020-03-31 | 广东水清环保科技有限公司 | Method and system for removing heavy metals in livestock and poultry breeding sewage |
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