CN102180555B - Method for treating organic matters in spirulina cultivating waste water - Google Patents
Method for treating organic matters in spirulina cultivating waste water Download PDFInfo
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- CN102180555B CN102180555B CN2011100694004A CN201110069400A CN102180555B CN 102180555 B CN102180555 B CN 102180555B CN 2011100694004 A CN2011100694004 A CN 2011100694004A CN 201110069400 A CN201110069400 A CN 201110069400A CN 102180555 B CN102180555 B CN 102180555B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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Abstract
The invention discloses a method for treating organic matters in spirulina cultivating waste water. The method comprises the following steps of: filtering with a 80-mesh filter screen and a 360-mesh filter screen respectively; continuously applying a micro-bubble generating technology and bottom gas filling, wherein during the micro-bubble generating technology and the bottom gas filling, a gas filling pipe for generating micro-nano bubbles is laid at the bottom of a treatment pond, and the gas outlet hole of the gas filling pipe faces the bottom or approximately the bottom of the treatment pond; controlling the deep water level of the treatment pond at 1.5-2.5 meters, precipitating organic matters and releasing upper purified water; and transferring organic matters precipitated at the bottom of the treatment pond to a filter screen bag, removing moisture by extruding, drying in the sun or drying. Due to the adoption of a mechanical-physical method, the energy consumption is low, no medicine is adopted, water can be used repeatedly, the collected particles have further utilization value, and good economic benefit, high social value and great ecological significance are achieved.
Description
Technical field
The present invention relates to a kind of method for treating organic material of cultivating spirulina waste water.
Background technology
1.5 ten thousand tons of former algaes of dry product of the spirulina annual production of China, during spirulina breeding is produced, according to 1 ton of spirulina dry product of 200 cubic metres of substratum breeding production, be equivalent to the substratum of annual needs 3000 ten thousand steres, this substratum overwhelming majority is water, generally processes as waste water.
The waste of cultivating spirulina contains the nutritive substances such as rich in protein, if directly discharging affects environment, particularly improves the Eutrophic Extent of receiving water body.As by recycling, can improve the utilization ratio of the nutritive substances such as protein, as feed and additive, fertilizer etc., increase economic benefit.In addition, remove organic SPIRULINA CULTIVATION waste water, the main chemical compositions of this waste water has EDTA-2Na complexing agent, nutritious carbon sourc, nutrition nitrogenous source and mineral nutrition (comprising iron, calcium, sodium, potassium, manganese plasma), can further replenish the nutritive substance that growth of spirulina platensis needs, thereby can be used as again the required substratum of cultivating spirulina.
Present spirulina breeding production unit is often away from the waste water treatment plant in cities and towns, and SPIRULINA CULTIVATION production and the method that gathers algae are dispersion culture, the respectively rinsing of gathering, and production efficiency is low, and extensive management, waste water are difficult to focus on.Therefore, many manufacturers directly discharge, and perhaps pass through simple process as the irrigation water of agricultural, and this is not only the significant wastage of raw materials for production, and has caused water pollution, ecotope constantly to worsen.
At present waste water and sewage treatment process mainly are that filtration method is combined microorganism active mud method and is processed, and equipment requirements is high, have high input operation and maintenance cost height; Changeable because waste water mixes often, therefore, very difficult protein organism of inciting somebody to action wherein effectively utilizes, and protein organism wherein can only be processed by nitrobacteria, change nitric nitrogen into from organic, and then change free state nitrogen into, reach the purpose that reduces the nitrogen content in the water body.Cultivating spirulina waste water usually adopts and is similar to the pattern that chemical industry is processed, and such as CN1903751, name is called the application for a patent for invention of " treatment technology of spirulina waste water ", discloses the treatment process of the high-salt wastewater that produces in a kind of spirulina production process.According to such production model, the production cost of per kilogram spirulina dry product need to increase by 10～30 yuan.In addition, use the cultivating spirulina waste water that this art breading contains the nutritive substances such as protein, this is also inconsistent with present low-carbon economy pattern, the a large amount of energy and the equipment of one side ammonia synthesizing industry consumption, make free state nitrogen change ammonia-state nitrogen into, reoxidize and be nitric nitrogen, the processing of waste water is just in time opposite.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method for treating organic material of cultivating spirulina waste water.
The present invention solves the problems of the technologies described above the step that adopts:
A kind of method for treating organic material of cultivating spirulina waste water, step is as follows:
A), first adopt the macrobead thing in the physical filtering method removing waste water, and in time removal sticks to the screen surface particulate matter, the method for physical filtering is removed large impurity with 80 mesh filter screens, removes small impurities with 360 purpose filter screens again;
B), carry out continuously the inflation of microbubble generating technique and bottom, make the little particulate matter of the inter-adhesive formation of organism of solubilised state, and efficiently be condensed into sheet or large-scale particulate matter, described microbubble generating technique and bottom inflation are to lay the gas-filled valve that produces micro-nano bubble in the treating pond bottom, the production well of gas-filled valve is towards the treating pond bottom or closely, solved the particulate matter deposition and stopped up production well, with the problem upwards of giving vent to anger; Downward inflation, bump becomes less microbubble at the bottom of some bubble and the pond.Utilize the cell of spirulina and the characteristics that fragment has good adhesion thereof, the chance that microbubble can provide small-particle to be in contact with one another more progressively is bonded as larger visible particle.Condense by the method for oxygenation (gas) again.
C), control treating pond degree of depth water level at 1.5～2.5 meters, by the method in obscure shallow lake, organism is further precipitated, discharge the water purification on top;
D), the organism that will be deposited to treating pond bottom transfers to Filter-screen bag, extracts moisture, dry or dry.
Described steps A) filter bag of usefulness collection of spirulina when filtering.Perhaps
Filter with a "T"-shaped pipeline, vertical pipeline is water-in, pipeline one end that is parallel to ground is water outlet, an other end arranges a valve, is conducive to take out particulate matter, connects a rolling hairbrush on the valve, under hydrodynamic effect, make the particulate matter close to filter membrane, drop on the opposite side of filter membrane, solved and filtered and the contradiction of stopping up.
The invention has the advantages that it mainly is the method that adopts machinery and physics, power consumption is few, does not adopt medicament, and water can be reused.Utilization ratio is higher, and the particulate matter of collection has further utility value, has good economic benefit, social value and ecological significance.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail.
Embodiment 1
1. coarse filtration: remove large impurity with 80 mesh filter screens.
2. ultrafiltration: remove small impurities with 360 purpose filter screens, can adopt the filter bag of collection of spirulina to filter.
3. carry out continuously the inflation of microbubble generating technique and bottom: in treating pond, use microbubble technology and bottom inflation technology.Described microbubble generating technique and bottom inflation are to be equipped with in the treating pond bottom to produce micro-nano gas-filled valve, the production well of gas-filled valve is towards the bottom or bottom near, solve the particulate matter deposition and stopped up production well, with the problem upwards of giving vent to anger, downward inflation, bump becomes less bubble at the bottom of the bubble of some and the pond.The control water level is at 2 meters.
4. the method in obscure shallow lake is controlled water level at 2.5 meters, and organism is further precipitated, and discharges the water purification on top.
5. the organism of bottom is transferred to Filter-screen bag, extract moisture, or dry, dry.
The particulate matter of 6. collecting is as feed and fodder additives, and water can be recycled and reused for the cultivation of spirulina.
Embodiment 2
1. coarse filtration: remove large impurity with 80 mesh filter screens.
2. ultrafiltration: remove small impurities with 360 purpose filter screens.Or utilize a "T"-shaped pipeline, and vertical pipeline is water-in, and being parallel to the end that the pipeline on ground makes progress is water outlet, and an other end arranges a valve, is conducive to take out particulate matter.Connect a rolling hairbrush on the valve, under hydrodynamic effect, make the particulate matter close to filter membrane, drop on the opposite side of filter membrane, solved and filtered and the contradiction of stopping up.
3. carry out continuously the inflation of microbubble generating technique and bottom: in pipeline or treating pond, use microbubble technology and bottom inflation technology.Described microbubble generating technique and bottom inflation are to be equipped with in the treating pond bottom to produce micro-nano gas-filled valve, the production well of gas-filled valve is towards the bottom or bottom near, solve the particulate matter deposition and stopped up production well, with the problem upwards of giving vent to anger, downward inflation, bump becomes less bubble at the bottom of the bubble of some and the pond.The control water level carries out continuously the method for microbubble generating technique and bottom inflation and condenses rapidly at 1.5 meters.
4. obscure shallow lake: the control water level is further precipitated organism at 1.5 meters, discharges the water purification on top.
5. the organism of bottom is transferred to Filter-screen bag, extract moisture, or dry, dry.
The particulate matter of 6. collecting is as feed and fodder additives, and water can be recycled and reused for the cultivation of spirulina.
Claims (1)
1. the method for treating organic material of a cultivating spirulina waste water is characterized in that step is as follows:
A), filter the filter bag of selecting the spirulina of gathering to use during filtration with 80 mesh filter screens and 360 purpose filter screens respectively; Carry out with a "T"-shaped pipeline during filtration, vertical pipeline is water-in, and pipeline one end that is parallel to ground is water outlet, and an other end arranges a valve, connects a rolling hairbrush on the valve;
B), continuously carry out the inflation of microbubble generating technique and bottom, inflate described microbubble generating technique and bottom is to lay the gas-filled valve that produces micro-nano bubble bottom treating pond, and the production well of gas-filled valve is towards the treating pond bottom or closely;
C), the degree of depth water level of control treating pond is at 1.5～2.5 meters, precipitating organic matters discharges the water purification on top;
D), the organism that will be deposited to treating pond bottom transfers to Filter-screen bag, extracts moisture, dry or dry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100694004A CN102180555B (en) | 2011-03-22 | 2011-03-22 | Method for treating organic matters in spirulina cultivating waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100694004A CN102180555B (en) | 2011-03-22 | 2011-03-22 | Method for treating organic matters in spirulina cultivating waste water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102180555A CN102180555A (en) | 2011-09-14 |
| CN102180555B true CN102180555B (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100694004A Active CN102180555B (en) | 2011-03-22 | 2011-03-22 | Method for treating organic matters in spirulina cultivating waste water |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557346B (en) * | 2012-01-05 | 2013-01-23 | 云南绿A生物产业园有限公司 | System and method of spirulina waste water zero release treatment |
| CN105601732B (en) * | 2016-03-30 | 2019-03-12 | 南通中国科学院海洋研究所海洋科学与技术研究发展中心 | The method of phycobniliprotein is separated from seaweed processing waste water |
| CN109721163A (en) * | 2017-10-31 | 2019-05-07 | 中国石油化工股份有限公司 | The method for handling the waste water containing nitrate ion |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2179869Y (en) * | 1993-12-08 | 1994-10-19 | 庄硕清 | Microfine bubble generator |
| CN1903751A (en) * | 2006-08-14 | 2007-01-31 | 云南省环境科学研究院 | Treatment technology of spirulina waste water |
| CN201485356U (en) * | 2009-06-10 | 2010-05-26 | 苏州千亿生物科技有限公司 | Comprehensive water treatment device for closed pond |
-
2011
- 2011-03-22 CN CN2011100694004A patent/CN102180555B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2179869Y (en) * | 1993-12-08 | 1994-10-19 | 庄硕清 | Microfine bubble generator |
| CN1903751A (en) * | 2006-08-14 | 2007-01-31 | 云南省环境科学研究院 | Treatment technology of spirulina waste water |
| CN201485356U (en) * | 2009-06-10 | 2010-05-26 | 苏州千亿生物科技有限公司 | Comprehensive water treatment device for closed pond |
Non-Patent Citations (4)
| Title |
|---|
| 方荣楠编译.采用泡沫分离装置的养殖系统.《渔业现代化》.2001,(第2期),第18-20页. |
| 李秀辰等.气浮分离技术在渔业生产中的应用与展望.《大连水产学院学报》.2005,第20卷(第3期),第249-253页. |
| 气浮分离技术在渔业生产中的应用与展望;李秀辰等;《大连水产学院学报》;20050930;第20卷(第3期);第249-253页 * |
| 采用泡沫分离装置的养殖系统;方荣楠编译;《渔业现代化》;20011231(第2期);第18-20页 * |
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| CN102180555A (en) | 2011-09-14 |
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Effective date of registration: 20171013 Address after: 650000 No. 5 unit 2, B District, Jinzhou Bay, Panlong Bay, Panlong District, Yunnan, Kunming, 503 Patentee after: Yunnan Long Yang venture capital partnership (limited partnership) Address before: 674202 Lijiang City, Yunnan province Yongsheng County Cheng Hai Zhen East Lake Cun Wei Hui Guan Jia Cun Patentee before: Lijiang Chenghai Bao'er Biological Development Co., Ltd. |
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Effective date of registration: 20201116 Address after: 674202 Lijiang City, Yunnan province Yongsheng County Cheng Hai Zhen East Lake Cun Wei Hui Guan Jia Cun Patentee after: LIJIANG CHENGHAI BAO'ER BIOLOGICAL DEVELOPMENT Co.,Ltd. Address before: 650000 No. 5 unit 2, B District, Jinzhou Bay, Panlong Bay, Panlong District, Yunnan, Kunming, 503 Patentee before: Yunnan Long Yang venture capital partnership (L.P.) |
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