CN101255075A - Improved blue algae treatment utilization method - Google Patents
Improved blue algae treatment utilization method Download PDFInfo
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- CN101255075A CN101255075A CNA2008100198816A CN200810019881A CN101255075A CN 101255075 A CN101255075 A CN 101255075A CN A2008100198816 A CNA2008100198816 A CN A2008100198816A CN 200810019881 A CN200810019881 A CN 200810019881A CN 101255075 A CN101255075 A CN 101255075A
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- green algae
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
This invention is an improved method for dealing with cyanobacteria, which can realize a harmless and resourceful treatment of cyanobacteria with automatic control, low operation cost, no secondary pollution and easy management. The method is characterized in that cyanobacteria and animal manure or sludge and other biomass can be used together as the fermentation material to obtain biogas through anaerobic digestion and the biogas is used to generate power or is burned for a direct use, and the biogas residue and biogas slurry are recovered to field or the biogas residue can be developed into feeds or organic fertilizers.
Description
(1) technical field
The present invention relates to the changing waste into resources processing technology field, be specially blue-green algae and feces of livestock and poultry or mud producing marsh gas through mixed anaerobic fermentation method.
(2) background technology
In nutritious water body, blue-green algae often breeds in a large number summer, and forms one deck blue-greenish colour and stench floating foam of distinguishing the flavor of is arranged at the water surface, is called " wawter bloom ", and large-scale blue algae bloom is called as " green tide " (with the red tide correspondence of ocean generation).Green tide causes water quality deterioration, exhausts water oxygen gas when serious and causes the death of fish.Even more serious is that some kind (as Microcystis aeruginosa) also can produce toxin (being called for short MC) in the blue-green algae, contains a large amount of MC in about 50% the green tide.MC also is the major incentive of liver cancer except directly fish, people and animals being produced the murder by poisoning.
It is a lot of that blue algae water is handled approach, such as: be processed into similar spirulina, livestock protein feed, effective amino-acid fertilizer; With stalk composting fertilizer together; With rubbish landfill together; Blue algae water is directly applied nonirrigated farmland, forest land, paddy field; Carry out biogas anaerobic fermentation or the like as raw material.Concluding gets up is: industrialization development, harmless treatment, recycling.These treatment processs have has become reality abroad, has to report the blue-green algae capsule that goes out produced in USA, and its health properties surpasses spirulina; States such as Mexico adopt the method for artificial culture, produce blue-green algae dry powder, and the per kilogram export price is more than 5 dollars; Concentrated feed is then raiseeed with water bloom dry powder food prepared therefrom nutritional additive and high-quality fowl by states such as Japan, and therefrom extracts vitamin-E or other drug.The research of China blue-green algae development and use aspect is not less than international counterparts, does not just carry out industrialization development as yet, and supporting technology still needs to explore.
Recycling should be the primary selection that blue-green algae is handled.If 5-10 ton blue algae water is watered in every mu of nonirrigated farmland, forest land, the blue-green algae that salvage every day only needs 150-300 mu soil (to salvage 1500 tons of reckonings every day).Utilize mode to compare with other, direct returning to farmland is most economical way, but not safest way, because contain the algae toxin in the blue-green algae, these algae toxin to the influence of seed, root, stem, leaf how, in soil to clear up rule still not clear, though peasant along the lake has the tradition of utilizing water bloom to make fertilizer, this tradition has reasonableness, but may not have science.
(3) summary of the invention
At the problems referred to above, the invention provides a kind of blue-green algae processing and utilizing method of improvement, it can automatization control, working cost is low, non-secondary pollution, convenient management, can realize the innoxious and recycling treatment of blue-green algae.
The technical program is such, it is characterized in that: biomass such as blue-green algae and feces of livestock and poultry or mud are produced biogas as fermentation raw material by anaerobically fermenting together, marsh gas power generation or direct burning are used, and biogas residue and biogas liquid is the field also, perhaps the natural pond slag is developed to feed or organic fertilizer.
It is further characterized in that: the whole process of blue-green algae and feces of livestock and poultry or mud producing marsh gas through mixed anaerobic fermentation is finished in anaerobic reactor, and be (2～3) with blue-green algae and feces of livestock and poultry or mud in material dry weight ratio in reactor: 1 mixes, and feeds N then
2Cause anaerobic state,, in reactor, regularly add raw material by phased manner, control blue-green algae water ratio 3%～6%, feces of livestock and poultry water ratio 20%～30%, moisture percentage in sewage sludge 10%～20% at 33 ℃～37 ℃ condition bottom fermentations.
The advantage of the technology of the present invention:
1), accomplished the innoxious and recycling of waste with blue-green algae and feces of livestock and poultry or mud producing marsh gas through mixed anaerobic fermentation.
2) can directly handle blue-green algae, need not blue-green algae is carried out pre-treatment, therefore, save processing cost.
3) influence of interference-free material of fermentation such as plastics, wooden unit, sandstone etc. need not to spend manpower and equipment detects it before fermentation.
4) set up the solid fermentation chamber of moudle type, be convenient to enlarge and produce.
5) the fermentation residuum does not have the natural pond liquid of wet-fermentation, and without processed, the fermentation residuum is through simply sieving and the compost of short period of time promptly can be used as garden fertilizer, thereby storage and aftertreatment expense are low, are worth high.
6) water loss reduces more than 80% compared with wet method, does not almost have sewage discharge.
7) initial investment of blue algae fermentation technology, operation cost and Environmental costs all should be far below conventional wet technology (reducing more than the 30-40%).
(4) description of drawings
Fig. 1 is a schema of the present invention.
(5) embodiment
Below in conjunction with embodiment the course of processing of the present invention is described:
Embodiment 1, and blue-green algae and feces of livestock and poultry are in anaerobic reactor to mix at 2: 1 in the dry weight ratio, feed N then
2Cause anaerobic state, N
2Feed volume and be the long-pending residual volume that deducts after the useful volume of overall reactor, at 33 ℃ of condition bottom fermentations, in reactor, regularly add raw material by phased manner, control blue-green algae water ratio 3%, feces of livestock and poultry water ratio 30%.
Embodiment 2, and blue-green algae and feces of livestock and poultry are in anaerobic reactor to mix at 3: 1 in the dry weight ratio, feed N then
2Cause anaerobic state, N
2Feed volume and be the long-pending residual volume that deducts after the useful volume of overall reactor, at 37 ℃ of condition bottom fermentations, in reactor, regularly add raw material by phased manner, control blue-green algae water ratio 4.5%, feces of livestock and poultry water ratio 20%.
Embodiment 3, and blue-green algae and feces of livestock and poultry are in anaerobic reactor to mix at 2.5: 1 in the dry weight ratio, feed N then
2Cause anaerobic state, N
2Feed volume and be the long-pending residual volume that deducts after the useful volume of overall reactor, at 35 ℃ of condition bottom fermentations, in reactor, regularly add raw material by phased manner, control blue-green algae water ratio 6%, feces of livestock and poultry water ratio 25%.
Embodiment 4, and blue-green algae and mud are in anaerobic reactor to mix at 2: 1 in the dry weight ratio, feed N then
2Cause anaerobic state, N
2Feed volume and be the long-pending residual volume that deducts after the useful volume of overall reactor, at 33 ℃ of condition bottom fermentations, in reactor, regularly add raw material by phased manner, control blue-green algae water ratio 3%, moisture percentage in sewage sludge 15%.
Embodiment 5, and blue-green algae and mud are in anaerobic reactor to mix at 3: 1 in the dry weight ratio, feed N then
2Cause anaerobic state, N
2Feed volume and be the long-pending residual volume that deducts after the useful volume of overall reactor, at 37 ℃ of condition bottom fermentations, in reactor, regularly add raw material by phased manner, control blue-green algae water ratio 4.5%, moisture percentage in sewage sludge 10%.
Embodiment 6, and blue-green algae and mud are in anaerobic reactor to mix at 2.5: 1 in the dry weight ratio, feed N then
2Cause anaerobic state, N
2Feed volume and be the long-pending residual volume that deducts after the useful volume of overall reactor, at 35 ℃ of condition bottom fermentations, in reactor, regularly add raw material by phased manner, control blue-green algae water ratio 6%, moisture percentage in sewage sludge 20%.
Claims (2)
1, a kind of blue-green algae processing and utilizing method of improvement, it is characterized in that: biomass such as blue-green algae and feces of livestock and poultry or mud are produced biogas as fermentation raw material by anaerobically fermenting together, marsh gas power generation or direct burning are used, biogas residue and biogas liquid is the field also, perhaps the natural pond slag is developed to feed or organic fertilizer.
2, according to the blue-green algae processing and utilizing method of the described a kind of improvement of claim 1, it is characterized in that: the whole process of blue-green algae and feces of livestock and poultry or mud producing marsh gas through mixed anaerobic fermentation is finished in anaerobic reactor, be (2～3) with blue-green algae and feces of livestock and poultry or mud in material dry weight ratio in reactor: 1 mixes, and feeds N then
2Cause anaerobic state,, in reactor, regularly add raw material by phased manner, control blue-green algae water ratio 3%～6%, feces of livestock and poultry water ratio 20%～30%, moisture percentage in sewage sludge 10%～20% at 33 ℃～37 ℃ condition bottom fermentations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100198816A CN101255075B (en) | 2008-03-20 | 2008-03-20 | Improved blue algae treatment utilization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100198816A CN101255075B (en) | 2008-03-20 | 2008-03-20 | Improved blue algae treatment utilization method |
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| Publication Number | Publication Date |
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| CN101255075A true CN101255075A (en) | 2008-09-03 |
| CN101255075B CN101255075B (en) | 2012-08-22 |
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| CN2008100198816A Expired - Fee Related CN101255075B (en) | 2008-03-20 | 2008-03-20 | Improved blue algae treatment utilization method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709013A (en) * | 2008-12-15 | 2010-05-19 | 黄立海 | Method for producing organic fertilizer by plant enzymolysis sterilization of Lake Taihu blue-green algae |
| CN101823768A (en) * | 2010-04-27 | 2010-09-08 | 同济大学 | Method for preparing flocculant, fertilizer and methane with algae-containing sludge |
| CN102392052A (en) * | 2011-09-22 | 2012-03-28 | 复旦大学 | Biogas purification method by culturing autotrophic freshwater microalgae with biogas slurry |
| CN102875204A (en) * | 2012-11-01 | 2013-01-16 | 南京农业大学 | Prescription and technology for developing growth promoting organic fertilizer through algal mud and rotten chicken manure |
| CN103351092A (en) * | 2013-07-29 | 2013-10-16 | 郭金陵 | Method and equipment for harmlessly treating and utilizing livestock feces on large-scale livestock farm |
| CN104446691A (en) * | 2013-09-24 | 2015-03-25 | 中国科学院上海高等研究院 | Micro algae-biochar composite bio-fertilizer and preparation method thereof |
| CN110241140A (en) * | 2019-07-03 | 2019-09-17 | 江南大学 | A method of pretreatment improves kitchen garbage and cyanobacteria mixing produces hydrogen |
| CN112050856A (en) * | 2020-09-08 | 2020-12-08 | 安徽大学 | Industry ecological garden mode for intelligently monitoring blue-green algae resource utilization |
| CN112079675A (en) * | 2020-08-21 | 2020-12-15 | 上海耀嵘环保科技有限公司 | Process for deeply treating eutrophic algae such as blue algae and preparing methane |
| CN112094870A (en) * | 2020-09-28 | 2020-12-18 | 南京师范大学 | Method for producing biogas by utilizing blue algae and bottom mud through co-fermentation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1919807A (en) * | 2005-08-25 | 2007-02-28 | 北京市绿泉科技发展有限公司 | Seaweed organism fertilizer for soil-restored_and environment-improved and preparation method thereof |
| CN1970776A (en) * | 2006-11-29 | 2007-05-30 | 江苏省农业科学院 | Comprehensive fermentation method for alga marsh gas and products therefrom |
-
2008
- 2008-03-20 CN CN2008100198816A patent/CN101255075B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709013A (en) * | 2008-12-15 | 2010-05-19 | 黄立海 | Method for producing organic fertilizer by plant enzymolysis sterilization of Lake Taihu blue-green algae |
| CN101823768A (en) * | 2010-04-27 | 2010-09-08 | 同济大学 | Method for preparing flocculant, fertilizer and methane with algae-containing sludge |
| CN102392052A (en) * | 2011-09-22 | 2012-03-28 | 复旦大学 | Biogas purification method by culturing autotrophic freshwater microalgae with biogas slurry |
| CN102875204A (en) * | 2012-11-01 | 2013-01-16 | 南京农业大学 | Prescription and technology for developing growth promoting organic fertilizer through algal mud and rotten chicken manure |
| CN103351092A (en) * | 2013-07-29 | 2013-10-16 | 郭金陵 | Method and equipment for harmlessly treating and utilizing livestock feces on large-scale livestock farm |
| CN103351092B (en) * | 2013-07-29 | 2015-05-27 | 郭金陵 | Method and equipment for harmlessly treating and utilizing livestock feces on large-scale livestock farm |
| CN104446691A (en) * | 2013-09-24 | 2015-03-25 | 中国科学院上海高等研究院 | Micro algae-biochar composite bio-fertilizer and preparation method thereof |
| CN110241140A (en) * | 2019-07-03 | 2019-09-17 | 江南大学 | A method of pretreatment improves kitchen garbage and cyanobacteria mixing produces hydrogen |
| CN112079675A (en) * | 2020-08-21 | 2020-12-15 | 上海耀嵘环保科技有限公司 | Process for deeply treating eutrophic algae such as blue algae and preparing methane |
| CN112050856A (en) * | 2020-09-08 | 2020-12-08 | 安徽大学 | Industry ecological garden mode for intelligently monitoring blue-green algae resource utilization |
| CN112094870A (en) * | 2020-09-28 | 2020-12-18 | 南京师范大学 | Method for producing biogas by utilizing blue algae and bottom mud through co-fermentation |
| CN112094870B (en) * | 2020-09-28 | 2022-09-20 | 南京师范大学 | Method for producing biogas by utilizing blue algae and bottom mud through co-fermentation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101255075B (en) | 2012-08-22 |
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Owner name: WUXI MASHENG ENVIRONMENT ENERGY TECHNOLOGY CO., LT Free format text: FORMER OWNER: JIANGNAN UNIVERSITY Effective date: 20150630 |
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Effective date of registration: 20150630 Address after: 214073, 1, B, sunshine city garden, Wuxi, Jiangsu, 314 Patentee after: WUXI MASHENG ENVIRONMENT ENERGY TECHNOLOGY CO., LTD. Address before: 1800 No. 214125 Jiangsu city of Wuxi Province Li Lake Avenue Patentee before: Jiangnan University |
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