CN102732566B - Cold-region methane accelerator and preparation method thereof - Google Patents
Cold-region methane accelerator and preparation method thereof Download PDFInfo
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- CN102732566B CN102732566B CN201210256828.4A CN201210256828A CN102732566B CN 102732566 B CN102732566 B CN 102732566B CN 201210256828 A CN201210256828 A CN 201210256828A CN 102732566 B CN102732566 B CN 102732566B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a cold-region methane accelerator and a preparation method of the cold-region methane accelerator and relates to a methane accelerator and a preparation method of the methane accelerator. The invention aims at solving the technical problems that the existing methane accelerators can not improve gas production rate at low temperature and are difficult to obtain. The cold-region methane accelerator provided by the invention comprises ferrum, cobalt, nickel, organic matters, an adsorbent and a filler. The preparation method comprises the following steps that: (1) ferrous sulfate, cobalt chloride, nickel chloride, the organic matters, the adsorbent and the filler are weighed; (2) distilled water is added to the weighed ferrous sulfate, cobalt chloride and nickel chloride to prepare saturated solution; the adsorbent is added; a crusher is used for crushing after drying to obtain powder; and (3) the organic matters and the filler are added to the powder and the mixture is evenly mixed to obtain the cold-region methane accelerator. The methane accelerator and the preparation method are applicable to the methane field.
Description
Technical field
The present invention relates to a kind of biogas promotor and preparation method thereof.
Background technology
Cold ground biogas production is because average temperature of the whole year is low, cause ferment effect not satisfactory, show factor of created gase low, factor of created gase is below 1:0.3, the problems such as the aerogenesis time is short, seriously limited the development of cold ground biogas, and existing biogas promotor has three classes, the first kind is the material that improves the nutritional status of organism of fermentation, meets its nutritional need, as the tankage in bean curd mill, Jiu Fang, powder workshop, add in methane-generating pit, can improve pond temperature, increase gas production rate; Equations of The Second Kind promotes the microelement substance of growth and breeding for organism of fermentation provides, as peat, used batteries; The 3rd class is the living environment of improvement and stable methanobacteria, accelerates metabolic material, as coal dust, wheat bran, rice bran and ZnSO
4.
For the 3rd class biogas promotor, coal dust is that archaeophyte is imbedded in and has undergroundly experienced complicated biological chemistry and physicochemical change forms gradually, obtains difficulty, and cost is higher; Utilize wheat bran and rice bran can economize on resources as biogas promotor, but the collection difficulty of wheat bran and rice bran can not meet Production requirement; With ZnSO
4can promote the growth of biogas bacterium as biogas promotor, but it has duality, in the time that addition is appropriate, biogas fermentation is had to promoter action, if consumption is excessive, fermentation is produced to negative interaction, too small inoperative.And above-described the 3rd class biogas promotor is to be all applied in 20 DEG C of above biogas promotor, also there is no 20 DEG C of following extremely frigid zones biogas promotor of average temperature of the whole year at present.Biogas promotor mainly contains three aspects: effect in biogas fermentation: (1) improves biogas microbial nutrition situation; (2) accelerate metabolism; (3) change the dominant kind of biogas microorganism, making to produce methane phycomycetes (Methanothrix) transition is active stronger product Methanosarcina (Methanosarcina), low temperature methanogen and normal temperature methanogen be all differences to some extent in form and nutritional status, so the biogas promotor of normal temperature is not clearly for the promoter action of low temperature methanogen floras.Low temperature biogas promotor is prepared for the nutritive property of low temperature methanogen floras just, can improve its nutritive property, accelerates its metabolism, improves methane yield.
In recent years, although have significant progress on extremely frigid zones development Biogas Eco-agricultural Mode, also have a lot of areas for improvement, as low in Biogas production during winter amount, the problem such as be difficult to survive the winter.In the winter time, extremely frigid zones is because temperature is low, and gas production rate declines, and can not meet peasant's use, so the cold marsh gas promotor of application promotes the activity of methane flora, improves the gas production rate of cold ground methane-generating pit, is our urgent problem.
Summary of the invention
The biogas promotor that the object of the invention is the living environment that will solve existing improvement and stable methanobacteria cannot be improved gas production rate and obtain difficult technical problem under cold condition, and a kind of cold marsh gas promotor and preparation method thereof is provided.
A kind of cold marsh gas promotor of the present invention is to be made up of the ferrous sulfate of 1～2 part, the cobalt chloride of 0.1～1 part, the nickelous chloride of 0.5～2 part, the organic substance of 4～5 parts, the sorbent material of 1～3 part and the weighting agent of 80～100 parts by mass fraction; Wherein organic substance is aspergillus niger and amidonitrogen, and aspergillus niger and amidonitrogen mass ratio are 3:1; Sorbent material is gac; Weighting agent is biomass charcoal.
The preparation method of a kind of cold marsh gas promotor of the present invention carries out according to the following steps: one, take the ferrous sulfate of 1～2 part, the cobalt chloride of 0.1～1 part, the nickelous chloride of 0.5～2 part, the organic substance of 4～5 parts, the sorbent material of 1～3 part and the weighting agent of 80～100 parts by mass fraction; Two, by the ferrous sulfate taking, cobalt chloride and nickelous chloride, put into container, adding distil water is made saturated solution, the sorbent material that adds again step 1 to take, puts into temperature and is the baking oven of 60～90 DEG C, dries after 1～2h, be ground into 100～130 orders with pulverizer, obtain powder; Three, the organism then step 1 being taken and weighting agent join in the powder that step 2 makes, and are uniformly mixed the marsh of must trembling with fear gas promotor; Wherein the organic substance in step 1 is aspergillus niger and amidonitrogen, and aspergillus niger and amidonitrogen mass ratio are 3:1; Sorbent material is gac; Weighting agent is biomass charcoal.
A kind of matrix material that utilizes that the invention belongs to solid organic castoff biologic treating technique field promotes solid organic castoff to produce the promotor of biogas.Method of the present invention utilizes characterization of adsorption, ion dissolution characteristic and the biological activity of promotor to remove to improve microorganism growth environment, stimulate microbic activity, thereby carry High-cold regions biogas output, recycle to greatest extent the bioenergy in waste, the gas production rate that improves cold ground fen, makes them in 20 DEG C of situations, within 5 days, carries out aerogenesis in advance, gas production rate reaches 1:0.5, and methane-generating pit is started fast.
In cold marsh gas promotor of the present invention, have the metallic element that pair methanobacteria is useful, wherein in metallic element, the quality percentage composition of iron, cobalt, nickel reaches 0.55%, and useful organic substance reaches 1%; Surface adsorption agent 2%, can improve low temperature fermentation microbial environment in biogas, can provide good nutrient environment for low temperature methanogen floras, promotes the Fast Growth of its flora, thereby improves aerogenesis effect, can improve factor of created gase 50%.
Brief description of the drawings
Fig. 1 is the affect figure of low temperature biogas promotor on methane gas producing amount in proof test.
Embodiment
Embodiment one: the cold marsh gas promotor of one of present embodiment, made by the ferrous sulfate of 1～2 part, the cobalt chloride of 0.1～1 part, the nickelous chloride of 0.5～2 part, the organic substance of 4～5 parts, the sorbent material of 1～3 part and the weighting agent of 80～100 parts by mass fraction; Wherein organic substance is aspergillus niger and amidonitrogen, and aspergillus niger and amidonitrogen mass ratio are 3:1; Sorbent material is gac; Weighting agent is biomass charcoal.
Cold ground biogas described in present embodiment refers to the biogas of the extremely frigid zones below 20 DEG C in year-round average temperature.In the cold marsh gas promotor of present embodiment, have the metallic element that pair methanobacteria is useful, wherein the iron in metallic element, cobalt, nickel quality percentage composition reach 0.55%, and useful organic substance reaches 1%; Surface adsorption agent 2%, due to characterization of adsorption, ion dissolution characteristic and the biological activated energy of promotor, thereby improve low temperature fermentation microbial environment in biogas, can provide good nutrient environment for low temperature methanogen floras, promote the Fast Growth of its flora, thereby improve aerogenesis effect, can improve factor of created gase 50%.
Embodiment two: present embodiment is different from embodiment one: described gac specific surface area is 500m
2/ g.Other is identical with embodiment one.
Embodiment three: present embodiment is different from embodiment one or two: described cold marsh gas promotor is to be made up of the ferrous sulfate of 1.1～1.9 parts, the cobalt chloride of 0.2～0.9 part, the nickelous chloride of 0.6～1.8 part, the organic substance of 4.1～4.9 parts, the sorbent material of 1.1～2.9 parts and the weighting agent of 81～99 parts by mass fraction.Other is identical with embodiment one or two.
Embodiment four: present embodiment is different from one of embodiment one to three: described cold marsh gas promotor is to be made up of the ferrous sulfate of 1.5 parts, the cobalt chloride of 0.5 part, the nickelous chloride of 1 part, the organic substance of 4.5 parts, the sorbent material of 2 parts and the weighting agent of 90 parts by mass fraction.Other is identical with one of embodiment one to three.
Embodiment five: the preparation method of a kind of cold marsh gas promotor of present embodiment carries out according to the following steps: one, take the ferrous sulfate of 1～2 part, the cobalt chloride of 0.1～1 part, the nickelous chloride of 0.5～2 part, the organic substance of 4～5 parts, the sorbent material of 1～3 part and the weighting agent of 80～100 parts by mass fraction; Two, by the ferrous sulfate taking, cobalt chloride and nickelous chloride, put into container, adding distil water is made saturated solution, the sorbent material that adds again step 1 to take, puts into temperature and is the baking oven of 60～90 DEG C, dries after 1～2h, be ground into 100～130 orders with pulverizer, obtain powder; Three, the organism then step 1 being taken and weighting agent join in the powder that step 2 makes, and are uniformly mixed the marsh of must trembling with fear gas promotor; Wherein the organic substance in step 1 is aspergillus niger and amidonitrogen, and aspergillus niger and amidonitrogen mass ratio are 3:1; Sorbent material is gac; Weighting agent is biomass charcoal.
The preparation method of the cold marsh gas promotor of present embodiment utilizes characterization of adsorption, ion dissolution characteristic and the biological activity of matrix material to remove to improve microorganism growth environment, stimulate microbic activity, thereby carry High-cold regions biogas output, recycle to greatest extent the bioenergy in waste, the gas production rate that improves cold ground fen, makes them in 20 DEG C of situations, within 5 days, carries out aerogenesis in advance, gas production rate reaches 1:0.5, and methane-generating pit is started fast.
Embodiment six: present embodiment is different from embodiment five: the cold marsh gas promotor described in step 1 is to be made up of the ferrous sulfate of 1.1～1.9 parts, the cobalt chloride of 0.2～0.9 part, the nickelous chloride of 0.6～1.8 part, the organic substance of 4.1～4.9 parts, the sorbent material of 1.1～2.9 parts and the weighting agent of 81～99 parts by mass fraction.Other is identical with embodiment five.
Embodiment seven: present embodiment is different from embodiment five or six: the cold marsh gas promotor described in step 1 is to be made up of the ferrous sulfate of 1.5 parts, the cobalt chloride of 0.5 part, the nickelous chloride of 1 part, the organic substance of 4.5 parts, the sorbent material of 2 parts and the weighting agent of 90 parts by mass fraction.Other is identical with embodiment five or six.
Embodiment eight: present embodiment is different from one of embodiment five to seven: the temperature of putting into described in step 2 is the baking oven of 80 DEG C.Other is identical with one of embodiment five to seven.
Embodiment nine: present embodiment is different from one of embodiment five to eight: after the oven dry 1～2h described in step 2, be ground into 120 orders with pulverizer.Other is identical with one of embodiment five to eight.
By following verification experimental verification effect of the present invention:
Test conditions: test in the fermentor tank of 5000ml, under 20 DEG C of conditions, test group and control group all add the fresh cow dung of equivalent, and fermented feed liquid TS is 8%, and inoculum size is 30%.
Test is divided into test group and control group.
The biogas promotor of test group is prepared according to following steps: one, take the ferrous sulfate of 1.5g, the cobalt chloride of 0.5g part, the nickelous chloride of 1g, organic substance, the gac of 2g and the weighting agent of 90g of 4.5g by massfraction; Two, by the ferrous sulfate taking, cobalt chloride and nickelous chloride, put into glassware, adding distil water is made saturated aqueous solution, add again the gac taking, put into temperature and be the baking oven of 80 DEG C, dry after 1.5h, be ground into 120 orders with pulverizer and dry rear pulverizer pulverizing, obtain powder; Three, then the organism taking and weighting agent are joined in the powder that step 2 makes, be uniformly mixed, obtain test group biogas promotor.
The biogas promotor of control group 1 is that quality percentage composition is 6% ZnSO
4;
The biogas promotor of control group 2 is that quality percentage composition is 8% ZnSO
4;
The biogas promotor of control group 3 is commercially available prod.
As shown in Figure 1, as shown in Figure 1, test group aerogenesis effect is best for test-results, and its average daily factor of created gase is 1:0.44, and the factor of created gase of control group is up to 1:0.3.The high yield gas rate of day that can calculate test group from test-results is 1:0.7.
Claims (9)
1. a cold marsh gas promotor, is characterized in that cold marsh gas promotor is to be made up of the ferrous sulfate of 1～2 part, the cobalt chloride of 0.1～1 part, the nickelous chloride of 0.5～2 part, the organic substance of 4～5 parts, the sorbent material of 1～3 part and the weighting agent of 80～100 parts by mass fraction; Wherein organic substance is aspergillus niger and amidonitrogen, and black mold and amidonitrogen mass ratio are 3:1; Sorbent material is gac; Weighting agent is biomass charcoal.
2. the cold marsh gas promotor of one according to claim 1, is characterized in that described gac specific surface area is 500m
2/ g.
3. the cold marsh gas promotor of one according to claim 1 and 2, is characterized in that described cold marsh gas promotor is to be made up of the ferrous sulfate of 1.1～1.9 parts, the cobalt chloride of 0.2～0.9 part, the nickelous chloride of 0.6～1.8 part, the organic substance of 4.1～4.9 parts, the sorbent material of 1.1～2.9 parts and the weighting agent of 81～99 parts by mass fraction.
4. the cold marsh gas promotor of one according to claim 1 and 2, is characterized in that described cold marsh gas promotor is to be made up of the ferrous sulfate of 1.5 parts, the cobalt chloride of 0.5 part, the nickelous chloride of 1 part, the organic substance of 4.5 parts, the sorbent material of 2 parts and the weighting agent of 90 parts by mass fraction.
5. the preparation method of a kind of cold marsh gas promotor as claimed in claim 1, the preparation method who it is characterized in that a kind of cold marsh gas promotor carries out according to the following steps: one, take the ferrous sulfate of 1～2 part, the cobalt chloride of 0.1～1 part, the nickelous chloride of 0.5～2 part, the organic substance of 4～5 parts, the sorbent material of 1～3 part and the weighting agent of 80～100 parts by mass fraction; Two, by the ferrous sulfate taking, cobalt chloride and nickelous chloride, put into container, adding distil water is made saturated solution, the sorbent material that adds again step 1 to take, puts into temperature and is the baking oven of 60～90 DEG C, dries after 1～2h, be ground into 100～130 orders with pulverizer, obtain powder; Three, the organism then step 1 being taken and weighting agent join in the powder that step 2 makes, and are uniformly mixed the marsh of must trembling with fear gas promotor; Wherein the organic substance in step 1 is aspergillus niger and amidonitrogen, and black mold and amidonitrogen mass ratio are 3:1; Sorbent material is gac; Weighting agent is biomass charcoal.
6. the preparation method of a kind of cold marsh gas promotor according to claim 5, is characterized in that taking the ferrous sulfate of 1.1～1.9 parts, the cobalt chloride of 0.2～0.9 part, the nickelous chloride of 0.6～1.8 part, the organic substance of 4.1～4.9 parts, the sorbent material of 1.1～2.9 parts and the weighting agent of 81～99 parts by mass fraction in step 1.
7. the preparation method of a kind of cold marsh gas promotor according to claim 5, is characterized in that taking the ferrous sulfate of 1.5 parts, the cobalt chloride of 0.5 part, the nickelous chloride of 1 part, the organic substance of 4.5 parts, the sorbent material of 2 parts and the weighting agent of 90 parts by mass fraction in step 1.
8. the preparation method of a kind of cold marsh gas promotor according to claim 5, is characterized in that putting in step 2 temperature and is the baking oven of 80 DEG C.
9. the preparation method of a kind of cold marsh gas promotor according to claim 5, is characterized in that being ground into 120 orders with pulverizer in step 2.
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| CN102876618B (en) * | 2012-10-22 | 2014-12-17 | 新疆农业科学院微生物应用研究所 | Solid composite accelerant for low-temperature methane and preparation method thereof |
| CN102925493A (en) * | 2012-11-21 | 2013-02-13 | 江苏省农业科学院 | Accelerant for producing biogas by straw anaerobic digestion as well as preparation method and application thereof |
| CN103146759B (en) * | 2013-03-07 | 2014-07-23 | 宁夏回族自治区环境监测中心站 | Low-temperature methane accelerator and preparation method thereof |
| CN103352056B (en) * | 2013-07-18 | 2015-09-02 | 内蒙古科技大学 | Peat is the method that raw material prepares biogas, yellow humic acid coproduction organic fertilizer |
| CN109722451A (en) * | 2017-10-27 | 2019-05-07 | 西北农林科技大学 | The solid biologic film accelerator for anaerobic digestion and preparation method thereof that charcoal mediates |
| CN109468343B (en) * | 2018-11-29 | 2021-11-02 | 中国科学院成都生物研究所 | Promoter for producing biogas through straw anaerobic fermentation and preparation method and application thereof |
| CN110016454A (en) * | 2019-05-16 | 2019-07-16 | 吉林省农业科学院 | A kind of cold area's biogas composite fermentation microbial inoculum and its processing method |
| CN111484218B (en) * | 2020-05-19 | 2022-02-11 | 黑龙江省农业科学院农村能源与环保研究所 | Cold region anaerobic fermentation biogas production method based on economic operation temperature |
| CN113403346A (en) * | 2021-07-01 | 2021-09-17 | 黑龙江省农业科学院农村能源与环保研究所 | Method for producing biogas by joint anaerobic fermentation of pig farm liquid dung and corn straws treated by biochar loaded with nano zero-valent iron |
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