CN111268869A - Prawn fry breeding water body purification treatment method - Google Patents
Prawn fry breeding water body purification treatment method Download PDFInfo
- Publication number
- CN111268869A CN111268869A CN202010220736.5A CN202010220736A CN111268869A CN 111268869 A CN111268869 A CN 111268869A CN 202010220736 A CN202010220736 A CN 202010220736A CN 111268869 A CN111268869 A CN 111268869A
- Authority
- CN
- China
- Prior art keywords
- water body
- breeding
- treatment method
- filtering
- treated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
Abstract
The invention provides a purification treatment method for a shrimp fry breeding water body, which comprises the following steps: s1: discharging the wastewater after the breeding of the young prawns into a sedimentation tank, and standing for 3-5 days; filtering to remove sludge; s2: adding bacillus subtilis into the water body treated in the step S1, stirring for 1-2 h, adding ethyl lactate, chitosan and magnesium hydroxide, and stirring for 2-4 h at 200-500 rpm; s3: filtering the water body treated in the step S2 by quartz sand; s4: filtering the water body treated in the step S3 under the condition that the treatment pressure is 0.5-1.5 MPa, wherein the aperture of a filter membrane is 40-60 um; s5: performing resin treatment on the water body treated in the step S4; resin types D152 and D001. The ammonia nitrogen content, nitrite content, total phosphorus content, soluble solid and the like in the water body purified by the method all meet the breeding requirement of the prawn fry, and the transparency of the water body reaches about 1000 px. Na in water body+：K+:Ca2+Has a ratio of 400 to 450(mmol/L): 10-11 (mmol/L) and 0.2-0.3 (mmol/L), which meets the requirement of directly breeding the young prawns.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a method for purifying and treating a water body for breeding young prawns.
Background
The inventor finds that the ratio of sodium ions to potassium ions in the water plays an important role in the growth of the young prawns in the breeding process of the young prawns, and Na in the water under the same breeding condition+、K+、Ca2+The ratio of (A) to (B) is 400-450: 10-11: 0.2-0.3 (mmol/L), so in order to promote the rapid growth of shrimp larvae and shorten the breeding period, the inventor leads toThe rapid breeding of the shrimp larvae is realized by controlling the proportion of potassium ions, sodium ions and calcium ions in the water body. The sewage discharged after the shrimp larvae are bred contains pollutants such as residual feed and shrimp excrement, and the proportion of potassium ions, sodium ions and calcium ions in the purified water cannot directly meet the breeding requirement of the shrimp larvae due to a series of subsequent purification treatments, so that when the purified water is recycled, the Na ions in the water need to be controlled by adding sodium salts and potassium salts again+、K+、Ca2+This results in a certain waste of resources. In order to ensure that the purified water body can be directly and circularly applied to the breeding of the shrimp seeds of the prawns again, the inventor improves the treatment method of the sewage generated by breeding the shrimp seeds of the prawns.
Disclosure of Invention
In view of the defects of the prior art, the invention provides a purification treatment method for a shrimp fry breeding water body.
The technical scheme of the invention is as follows:
a purification treatment method for a shrimp fry breeding water body comprises the following steps:
s1: discharging the wastewater after the breeding of the young prawns into a sedimentation tank, and standing for 3-5 days; filtering to remove sludge;
s2: adding bacillus subtilis into the water body treated in the step S1, stirring for 1-2 h, adding ethyl lactate, chitosan and magnesium hydroxide, and stirring for 2-4 h at 200-500 rpm;
s3: filtering the water body treated in the step S2 by quartz sand;
s4: filtering the water body treated in the step S3 under the condition that the treatment pressure is 0.5-1.5 MPa, wherein the aperture of a filter membrane is 40-60 um;
s5: performing resin treatment on the water body treated in the step S4; resin types D152 and D001.
Preferably, the height of the resin column is 1-1.2 m, the diameter of the resin column is 60-80 cm, and the water flow speed is 100-120L/h during resin treatment.
Preferably, the volume ratio of D152 to D001 is (5-7): 1.
preferably, the particle size of the quartz sand filter material is 1-2 mm.
Preferably, the mass ratio of the ethyl lactate to the chitosan to the magnesium hydroxide is 1: (3-5): 1.
preferably, the total feeding amount of the ethyl lactate, the chitosan and the magnesium hydroxide in the water body is 100-150 mg/L.
Preferably, the concentration of the bacillus subtilis in the water body is 105～106cfu/ml。
Compared with the prior art, the invention has the beneficial effects that:
the ammonia nitrogen content, nitrite content, total phosphorus content, soluble solids and the like in the water body purified by the method all meet the breeding requirements of the prawn larvae, and the transparency of the water body reaches about 1000-1100 px. Na in water body+、K+、Ca2+The ratio of (A) to (B) is 400-450: 10-11: 0.2-0.3 (mmol/L), and meets the requirement of directly breeding the young prawns.
Detailed Description
In order to better understand the technical content of the invention, specific examples are provided below to further illustrate the invention.
Example 1
A purification treatment method for a shrimp fry breeding water body comprises the following steps:
s1: discharging the waste water after the breeding of the young prawns into a sedimentation tank, and standing for 5 days; filtering to remove sludge;
s2: adding bacillus subtilis into the water body treated in the step S1 (keeping the concentration of the bacillus subtilis in the water body to be 10)5～106cfu/mL), stirring for 2h, adding ethyl lactate, chitosan and magnesium hydroxide (mass ratio of 1: 3: 1) stirring at 200rpm for 2 h;
s3: filtering the water treated in the step S2 by using quartz sand (the particle size is 1-2 mm);
s4: filtering the water body treated in the step S2 under the treatment pressure of 1.5MPa, wherein the aperture of the filter membrane is 60 um;
s5: performing resin treatment (the height of a resin column is 1m, and the diameter of the resin column is 60cm) on the water body treated in the step S5, wherein the water flow speed is 100-120L/h; resin types D152 and D001 (volume ratio 5: 1).
The total feeding amount of the ethyl lactate, the chitosan and the magnesium hydroxide in the water body is 100 mg/L.
Example 2
A purification treatment method for a shrimp fry breeding water body comprises the following steps:
s1: discharging the waste water after the breeding of the young prawns into a sedimentation tank, and standing for 3 days; filtering to remove sludge;
s2: adding bacillus subtilis into the water body treated in the step S1 (keeping the concentration of the bacillus subtilis in the water body to be 10)5～106cfu/mL), stirring for 1h, adding ethyl lactate, chitosan and magnesium hydroxide (mass ratio of 1: 5: 1) stirring at 500rpm for 4 h;
s3: filtering the water treated in the step S2 by using quartz sand (the particle size is 1-2 mm);
s4: filtering the water body treated in the step S2 under the condition that the treatment pressure is 0.5MPa, wherein the aperture of the filter membrane is 40 um;
s5: performing resin treatment (the height of a resin column is 1m, and the diameter of the resin column is 60cm) on the water body treated in the step S5, wherein the water flow speed is 100-120L/h; resin types D152 and D001 (volume ratio 7: 1).
The total feeding amount of the ethyl lactate, the chitosan and the magnesium hydroxide in the water body is 150 mg/L.
Comparative example 1
A purification treatment method for a shrimp fry breeding water body comprises the following steps:
s1: discharging the waste water after the breeding of the young prawns into a sedimentation tank, and standing for 5 days; filtering to remove sludge;
s2: adding rhodopseudomonas palustris into the water body treated in the step S1 (keeping the concentration of the rhodopseudomonas palustris in the water body to be 10)5～106cfu/mL), stirring for 2h, adding ethyl butyrate, chitosan and magnesium hydroxide (mass ratio of 1: 3: 1) stirring at 200rpm for 2 h;
s3: filtering the water treated in the step S2 by using quartz sand (the particle size is 1-2 mm);
s4: filtering the water body treated in the step S2 under the condition that the treatment pressure is 0.5MPa, wherein the aperture of a filter membrane is 80 um;
s5: performing resin treatment (the height of a resin column is 1m, and the diameter of the resin column is 60cm) on the water body treated in the step S5, wherein the water flow speed is 100-120L/h; resin types D152 and D001 (volume ratio 2: 1).
The total feeding amount of the ethyl lactate, the chitosan and the magnesium hydroxide in the water body is 100 mg/L.
Comparative example 2
The comparative example differs from example 1 in the resin types D113 and 001X 7 (volume ratio 5: 1).
Examples of the experiments
Through detection, the ammonia nitrogen content, the nitrite content, the total phosphorus content, the soluble solid content and the like in the water bodies purified in the embodiment and the comparative example can be used for breeding the prawns, but the transparency of the water body in the embodiment reaches about 1000-1100 px, and the transparency of the water body in the comparative example is about 750-850 px.
Standard instruments such as a DWL-B type sodium ion detector, a BSH/CM-04-25 type potassium ion detector, an ANTE935 type calcium ion detector and the like are adopted to detect the contents of sodium ions, potassium ions and calcium ions in the water body. In order to reduce errors, the embodiment and the comparative example adopt the sewage of the same batch of prawn fry after breeding, and Na in the water is detected before the water is treated+:K+:Ca2+The ratio of (1) to (2) is 932:70:11(mmol/L), and after the water body is treated, the detection result shows that Na in the water body of the embodiment is+、K+、Ca2+The ratio of (B) to (C) is 400-450 (mmol/L): 10-11 (mmol/L): 0.2-0.3 (mmol/L), and the requirement is satisfied. While Na in the water bodies treated in comparative examples 1 and 2+、K+、Ca2+The ratio of (A) is not within the above range.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A prawn fry breeding water body purification treatment method is characterized by comprising the following steps:
s1: discharging the wastewater after the breeding of the young prawns into a sedimentation tank, and standing for 3-5 days; filtering to remove sludge;
s2: adding bacillus subtilis into the water body treated in the step S1, stirring for 1-2 h, adding ethyl lactate, chitosan and magnesium hydroxide, and stirring for 2-4 h at 200-500 rpm;
s3: filtering the water body treated in the step S2 by quartz sand;
s4: filtering the water body treated in the step S3 under the pressure of 0.5-1.5 MPa, wherein the aperture of the filter membrane is 40-60 um;
s5: performing resin treatment on the water body treated in the step S4; resin types D152 and D001.
2. The purification treatment method for the breeding water body of the shrimp larvae of the prawns according to claim 1, wherein the height of the resin column is 1-1.2 m, the diameter of the resin column is 60-80 cm, and the water flow speed is 100-120L/h during resin treatment.
3. The shrimp larvae breeding water purification treatment method as claimed in claim 1, wherein the volume ratio of D152 to D001 is (5-7): 1.
4. the purification treatment method for the breeding water body of the shrimp larvae of the prawns according to claim 1, wherein the particle size of the quartz sand filter material is 1-2 mm.
5. The purification treatment method for the breeding water body of the shrimp larvae of the prawns as claimed in claim 1, wherein the mass ratio of ethyl lactate to chitosan to magnesium hydroxide is 1: (3-5): 1.
6. the prawn larva breeding water body purification treatment method according to claim 5, wherein the total feeding amount of ethyl lactate, chitosan and magnesium hydroxide in the water body is 100-150 mg/L.
7. The purification of water for shrimp larvae breeding according to claim 1The treatment method is characterized in that the concentration of the bacillus subtilis in the water body is 105～106cfu/mL。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010220736.5A CN111268869B (en) | 2020-03-26 | 2020-03-26 | Prawn fry breeding water body purification treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010220736.5A CN111268869B (en) | 2020-03-26 | 2020-03-26 | Prawn fry breeding water body purification treatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111268869A true CN111268869A (en) | 2020-06-12 |
| CN111268869B CN111268869B (en) | 2022-05-06 |
Family
ID=70996029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010220736.5A Active CN111268869B (en) | 2020-03-26 | 2020-03-26 | Prawn fry breeding water body purification treatment method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111268869B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103951128A (en) * | 2014-05-06 | 2014-07-30 | 浙江南太湖淡水水产种业有限公司 | Ultrafiltration purification method for industrialized seedling production water of macrobrachium rosenbergii |
| CN104988106A (en) * | 2015-08-14 | 2015-10-21 | 黄观铭 | Method for culturing spirulina |
| CN105198167A (en) * | 2015-10-22 | 2015-12-30 | 江苏大学 | Microbiological degradation water treatment system of industrial wastewater |
| US20170051140A1 (en) * | 2015-08-20 | 2017-02-23 | Tak Kwong Kwan | Self-sinking and air permeable plastic material |
| US20170150701A1 (en) * | 2015-11-29 | 2017-06-01 | F&T Water Solutions LLC | Recirculating Aquaculture System and Treatment Method for Aquatic Species |
| CN108147546A (en) * | 2018-03-09 | 2018-06-12 | 中国水产科学研究院黄海水产研究所 | A kind of Two-way Cycle seawater Shrimp polyculture system |
| CN208055112U (en) * | 2018-01-31 | 2018-11-06 | 福清市谊华水产食品有限公司 | A kind of prawn high position aquaculture pond blowdown cleanup system |
| CN110628644A (en) * | 2019-09-09 | 2019-12-31 | 天津农学院 | Novel biological floc, application thereof and method for marking crude litopenaeus vannamei by using same |
-
2020
- 2020-03-26 CN CN202010220736.5A patent/CN111268869B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103951128A (en) * | 2014-05-06 | 2014-07-30 | 浙江南太湖淡水水产种业有限公司 | Ultrafiltration purification method for industrialized seedling production water of macrobrachium rosenbergii |
| CN104988106A (en) * | 2015-08-14 | 2015-10-21 | 黄观铭 | Method for culturing spirulina |
| US20170051140A1 (en) * | 2015-08-20 | 2017-02-23 | Tak Kwong Kwan | Self-sinking and air permeable plastic material |
| CN105198167A (en) * | 2015-10-22 | 2015-12-30 | 江苏大学 | Microbiological degradation water treatment system of industrial wastewater |
| US20170150701A1 (en) * | 2015-11-29 | 2017-06-01 | F&T Water Solutions LLC | Recirculating Aquaculture System and Treatment Method for Aquatic Species |
| CN208055112U (en) * | 2018-01-31 | 2018-11-06 | 福清市谊华水产食品有限公司 | A kind of prawn high position aquaculture pond blowdown cleanup system |
| CN108147546A (en) * | 2018-03-09 | 2018-06-12 | 中国水产科学研究院黄海水产研究所 | A kind of Two-way Cycle seawater Shrimp polyculture system |
| CN110628644A (en) * | 2019-09-09 | 2019-12-31 | 天津农学院 | Novel biological floc, application thereof and method for marking crude litopenaeus vannamei by using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111268869B (en) | 2022-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1562867B1 (en) | Water treatment method using an inorganic powder reagent with high specific surface area including a step of recycling said reagent | |
| AU2008221786B2 (en) | Method of removing phosphorus and/or nitrogen | |
| CN109179688B (en) | Denitrification carbon source and preparation method thereof | |
| CN111320268A (en) | Autotrophic and heterotrophic synergetic denitrification nitrogen removal method | |
| CN111268869B (en) | Prawn fry breeding water body purification treatment method | |
| Kalyuzhnyi et al. | Integrated mechanical, biological and physico-chemical treatment of liquid manure streams | |
| JP2013208563A (en) | Anaerobic treatment method for organic waste water | |
| CN107021580B (en) | Method for recycling waste liquid generated after extracting tigogenin from sisal hemp | |
| CN108862330B (en) | Method for removing peculiar smell in refined salt production | |
| JP2012006000A (en) | Heavy metal treating agent, method of treating heavy-metal-containing liquid, and method of recovering heavy metal | |
| CN114671577B (en) | Denitrification purification method for mariculture wastewater | |
| CN109354325A (en) | A technique for utilizing ammonia nitrogen, total phosphorus and the COD in flocculation-zeolite and active carbon degrading waste water | |
| CN105692771A (en) | Material for treating wastewater containing heavy metal | |
| CN215798870U (en) | Low-concentration ammonia-nitrogen-manganese wastewater treatment system utilizing manganese tailings | |
| CN110697933B (en) | Method for controlling content of halogenated disinfection byproducts | |
| CN113105022A (en) | Small poultry slaughterhouse sewage treatment method | |
| CN209113685U (en) | A kind of black and odorous water processing unit | |
| CN112340846B (en) | Deep denitrification method for urban sewage | |
| JP2006289316A (en) | Method for treating waste water from livestock facility | |
| CN207537272U (en) | A kind of sewage plant processing unit | |
| CN112830584A (en) | Freshwater aquaculture sewage treatment method | |
| CN108821436A (en) | A kind of sewage biological purification method | |
| JPS61238397A (en) | Treatment of excretion sewage of domestic animal | |
| CN217838640U (en) | Water supply treatment system for removing 2-methylisoborneol in waterworks | |
| CN205616673U (en) | Automatic agriculture sewage treatment's that changes environment -friendly device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |