CN103332988B - Non-mineral source humic acid water-soluble liquid fertilizer and preparation method thereof - Google Patents
Non-mineral source humic acid water-soluble liquid fertilizer and preparation method thereof Download PDFInfo
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- CN103332988B CN103332988B CN201310290566.8A CN201310290566A CN103332988B CN 103332988 B CN103332988 B CN 103332988B CN 201310290566 A CN201310290566 A CN 201310290566A CN 103332988 B CN103332988 B CN 103332988B
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Abstract
The invention discloses a non-mineral source humic acid water-soluble liquid fertilizer. A formula is as follows: 28-40% of biogas residue mud, 15-25% of urea, 6-12% of phosphoric acid, 7-15% of potassium hydroxide, and the balance of a supernate of biogas wastewater. A preparation method of the water-soluble fertilizer comprises the steps of conducting dry and wet separation on fecal wastewater, conducting anaerobic fermentation on obtained liquid, generating the biogas wastewater, filtering, obtaining the supernate and the biogas residue mud of the biogas wastewater, adding urea and phosphoric acid to the supernate of the biogas wastewater according to the formula, stirring to allow urea and phosphoric acid to have chelation reaction, then adding potassium hydroxide, adding the biogas residue mud after sufficient reaction, uniformly stirring, and obtaining the water-soluble fertilizer. The water-soluble fertilizer obtains humic acid by utilizing microbial fermentation; humic acid has a higher function of adjusting crop growth; the supernate of the biogas wastewater is a very good liquid fertilizer; the preparation method of the water-soluble fertilizer by taking the supernate as a raw material is energy-saving and environment-friendly; and the treatment cost of the fecal wastewater is lowered.
Description
Technical field
The invention belongs to the technical field of fertilizer and preparation thereof, particularly a kind of Non-mineral source humic acid water-soluble liquid fertilizer and preparation method thereof.
Background technology
Humic acid fertilizer is that one can promote crop growthing development, improves farm crop resistance and quality thereof, the multifunctional fertilizers of increasing both production and income; In addition, take humic acids as raw material, a lot of other fertilizer containing humic acids can be derived.
The existing fertilizer containing humic acids performs according to People's Republic of China's industry standard (NY1106-2010), and its greatest problem is that humic acids source is also only limitted to natural mineral source humic acids, is extract from the peat composed of rotten mosses, peat, brown coal or weathered coal and obtain.Be no matter which kind of humic acids source above-mentioned, be all exploitation mineral sources material, obtains humic acids through extraction, all bring for cost to sacrifice natural ecological environment, and these resources are all limited, thus its prospect is also limited, and its development is unsustainable.Country was from 2008, and the outlet of restriction humic acids is exactly the decision made based on protecting the humic acids Mineral resources of China's preciousness.And now having become large source of pollution containing excrement sewage, traditional treatment process energy consumption is high, of poor benefits, and has secondary pollution.
Summary of the invention
The object of the present invention is to provide humic acid water-soluble liquid fertilizer of a kind of, energy-conserving and environment-protective simple containing non-mineral source humic acids and preparation method and preparation method thereof.
For achieving the above object, technical scheme provided by the invention is: a kind of Non-mineral source humic acid water-soluble liquid fertilizer, is characterized in that, fills a prescription as follows: natural pond slag mud 28 ~ 40%, urea 15 ~ 25%, phosphoric acid 6 ~ 12%, potassium hydroxide 7 ~ 15%, all the other are the supernatant liquor of biogas waste water, wherein
The preparation method of described natural pond slag mud is: will containing excrement sewage separating dry space from moist space, the liquid obtained anaerobically fermenting in tank for sewage gas, produce biogas and biogas waste water, biogas waste water filtering is made solid-liquid separation, and the supernatant liquor and the non-mineral source humic acids that obtain biogas waste water roll over the natural pond slag mud that contents on dry basis is 10% ~ 30%.
Preferably, optimization formula is as follows: natural pond slag mud 33%, urea 21.7%, phosphatase 11 1.8%, potassium hydroxide 7.1%, the supernatant liquor 26.4% of biogas waste water.
The preparation method of Non-mineral source humic acid water-soluble liquid fertilizer of the present invention, is characterized in that:
By described formula, urea, phosphoric acid are joined in the supernatant liquor of biogas waste water, stir, make urea, phosphoric acid generation chelatropic reaction, then add potassium hydroxide, stir, after abundant reaction, add the natural pond slag mud that non-mineral source humic acids folding contents on dry basis is 10% ~ 30%, fully mix, after stirring, obtain the Water-soluble liquid fertilizer containing humic acids.
A technical scheme tool in technique scheme has the following advantages or beneficial effect: what this invention was different from the past utilizes mineral sources humic acids as the method and the path that produce humic acid water-soluble fertilizer, utilize fermentable and the humic acids obtained, compared with mineral sources humic acids, the function of its regulating crop growth can be stronger, in addition, in this water soluble fertilizer N-P-K content also up to 15% ~ 35%.Biogas expel liquid waste inherently a kind of well liquid fertilizer of pig-breeding industry, except Nitrogen-and Phosphorus-containing potassium, outside humic acids, also containing the necessary various trace elements of crop, as the humic acids that raw material extracts, both every advantage of mineral sources humic acid fertilizer had been maintained, possesses again the biologically active substance that mineral sources humic acids does not possess, and avoid exploitation mineral deposit to the destruction of the Nature ecotope, also be the deep exploitation to pig-breeding industry liquid debris, decrease the treatment cost of waste, and the low production cost of humic acids, meet national environmental protection agricultural, the strategic objective of ecological agriculture development and industry policy.The live pig scale livestock farming major part in the whole nation has methane-generating pit, if make full use of this technology, can meet the demand of humic acid water-soluble fertiliser production to humic acids completely, realizes the target that also can solve humic acid material source without mineral sources humic acids.In the present invention the preparation of natural pond slag mud be utilize pig-breeding industry or alternate manner to obtain containing excrement sewage, the non-mineral source humic acids obtained, after treatment, produces containing humic acid water-soluble fertilizer, meets the requirement of national sector standard NY1106-2010.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, simple introduction is done below by the accompanying drawing used required in embodiment or description of the prior art, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Accompanying drawing 1 is the process flow diagram of the embodiment of the present invention.
Embodiment
Below by specific embodiment, the present invention is further illustrated.
Embodiment 1:
The Non-mineral source humic acid water-soluble liquid fertilizer that the present embodiment provides, fills a prescription as follows: natural pond slag mud 33%, urea 21.7%, phosphatase 11 1.8%, potassium hydroxide 7.1%, the supernatant liquor 26.4% of biogas waste water.
New five Feng Yongan Pig farm wastewater treatment plants utilize Pig dung and urine sewage to make natural pond slag mud thus obtain non-mineral source humic acids.The preparation method of Non-mineral source humic acid water-soluble liquid fertilizer is: first, will containing excrement sewage separating dry space from moist space, the liquid obtained anaerobically fermenting in tank for sewage gas, produce biogas and solidliquid mixture, solidliquid mixture and biogas waste water, biogas waste water filtering is made solid-liquid separation, and the aqueous solid obtained is the natural pond slag mud containing humic acids, and the liquid obtained is called the supernatant liquor of biogas waste water.
This factory delivers 30000 for sale in feeding live pig amount year, has the marsh-gas fermentation tank 2 of 600 cubic metres, average daily discharge biogas waste water about 380 tons, biogas waste water solid content 0.4%.Utilize this invention technology, the natural pond slag mud that day extracts water ratio 60-70% is about 4-5 ton, and its humic acids folding contents on dry basis is 29.4%.
By the above formula, urea, phosphoric acid are joined in the supernatant liquor of the biogas waste water that factory produces, stir, make urea, phosphoric acid fully dissolves, then add potassium hydroxide, stir, after abundant reaction, add the natural pond slag mud that non-mineral source humic acids folding contents on dry basis prepared by factory is 29.4%, fully mix, after stirring, obtain Water-soluble liquid fertilizer.The Non-mineral source humic acid water-soluble liquid fertilizer that the present embodiment obtains, nitrogen content is 10%, and phosphorus content is 10%, and potassium content is 6%, and humic acids content is 3.9%.
Embodiment 2:
The Non-mineral source humic acid water-soluble liquid fertilizer that the present embodiment provides, fills a prescription as follows: natural pond slag mud 40%, urea 15%, phosphoric acid 6%, potassium hydroxide 7%, the supernatant liquor 32% of biogas waste water.
New five Feng Yongan Pig farm wastewater treatment plants utilize Pig dung and urine sewage to make natural pond slag mud thus obtain non-mineral source humic acids.The preparation method of Non-mineral source humic acid water-soluble liquid fertilizer is: first, will containing excrement sewage separating dry space from moist space, the liquid obtained anaerobically fermenting in tank for sewage gas, produce biogas and solidliquid mixture, solidliquid mixture and biogas waste water, biogas waste water filtering is made solid-liquid separation, and the aqueous solid obtained is the natural pond slag mud containing humic acids, and the liquid obtained is called the supernatant liquor of biogas waste water.
This factory delivers 30000 for sale in feeding live pig amount year, has the marsh-gas fermentation tank 2 of 600 cubic metres, average daily discharge biogas waste water about 380 tons, biogas waste water solid content 0.4%.Utilize this invention technology, the natural pond slag mud that day extracts water ratio 60-70% is about 4-5 ton, and its humic acids folding contents on dry basis is 29.4%.
By the above formula, urea, phosphoric acid are joined in the supernatant liquor of the biogas waste water that factory produces, stir, make urea, phosphoric acid fully dissolves, then add potassium hydroxide, stir, after abundant reaction, add the natural pond slag mud that non-mineral source humic acids folding contents on dry basis prepared by factory is 29.4%, fully mix, after stirring, obtain Water-soluble liquid fertilizer.The Non-mineral source humic acid water-soluble liquid fertilizer that the present embodiment obtains, nitrogen content is 6.9%, and phosphorus content is 5.1%, and potassium content is 5.95%, and humic acids content is 4.8%.
Embodiment 3:
The Non-mineral source humic acid water-soluble liquid fertilizer that the present embodiment provides, fills a prescription as follows: natural pond slag mud 28%, urea 25%, phosphatase 11 2%, potassium hydroxide 15%, the supernatant liquor 20% of biogas waste water.
New five Feng Yongan Pig farm wastewater treatment plants utilize Pig dung and urine sewage to make natural pond slag mud thus obtain non-mineral source humic acids.The preparation method of Non-mineral source humic acid water-soluble liquid fertilizer is: first, will containing excrement sewage separating dry space from moist space, the liquid obtained anaerobically fermenting in tank for sewage gas, produce biogas and solidliquid mixture, solidliquid mixture and biogas waste water, biogas waste water filtering is made solid-liquid separation, and the aqueous solid obtained is the natural pond slag mud containing humic acids, and the liquid obtained is called the supernatant liquor of biogas waste water.
This factory delivers 30000 for sale in feeding live pig amount year, has the marsh-gas fermentation tank 2 of 600 cubic metres, average daily discharge biogas waste water about 380 tons, biogas waste water solid content 0.4%.Utilize this invention technology, the natural pond slag mud that day extracts water ratio 60-70% is about 4-5 ton, and its humic acids folding contents on dry basis is 29.4%.
By the above formula, urea, phosphoric acid are joined in the supernatant liquor of the biogas waste water that factory produces, stir, make urea, phosphoric acid fully dissolves, then add potassium hydroxide, stir, after abundant reaction, add the natural pond slag mud that non-mineral source humic acids folding contents on dry basis prepared by factory is 29.4%, fully mix, after stirring, obtain Water-soluble liquid fertilizer.The Non-mineral source humic acid water-soluble liquid fertilizer that the present embodiment obtains, nitrogen content is 11.5%, and phosphorus content is 10.2%, and potassium content is 12.75%, and humic acids content is 3.36%.
The present invention is applicable to the various farm crop such as rice wheat oil cotton, vegetables, fruit tree, Chinese medicinal materials, mainly executes as punching of topdressing, also can use as fertilizer for spraying on leaf surface.
Apply specific embodiment herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.The above is only the preferred embodiment of the present invention, should be understood that, due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, under the premise without departing from the principles of the invention, some improvement, retouching or change can also be made, also above-mentioned technical characteristic can be combined by rights; These improve retouching, change or combination, or the design of invention and technical scheme are directly applied to other occasion without improving, and all should be considered as protection scope of the present invention.
Claims (3)
1. a Non-mineral source humic acid water-soluble liquid fertilizer, is characterized in that, fills a prescription as follows: natural pond slag mud 28 ~ 40%, urea 15 ~ 25%, phosphoric acid 6 ~ 12%, potassium hydroxide 7 ~ 15%, and all the other are the supernatant liquor of biogas waste water, wherein,
The preparation method of described natural pond slag mud is: will containing excrement sewage separating dry space from moist space, the liquid obtained anaerobically fermenting in tank for sewage gas, produce biogas and biogas waste water, biogas waste water filtering is made solid-liquid separation, and the supernatant liquor and the non-mineral source humic acids that obtain biogas waste water roll over the natural pond slag mud that contents on dry basis is 10% ~ 30%.
2. Non-mineral source humic acid water-soluble liquid fertilizer according to claim 1, is characterized in that, optimization formula is as follows: natural pond slag mud 33%, urea 21.7%, phosphatase 11 1.8%, potassium hydroxide 7.1%, the supernatant liquor 26.4% of biogas waste water.
3. the preparation method of the Non-mineral source humic acid water-soluble liquid fertilizer as described in any one of claim 1-2, is characterized in that:
By described formula, urea, phosphoric acid are joined in the supernatant liquor of biogas waste water, stir, make urea, phosphoric acid generation chelatropic reaction, then add potassium hydroxide, stir, after abundant reaction, add the natural pond slag mud that non-mineral source humic acids folding contents on dry basis is 10% ~ 30%, fully mix, after stirring, obtain the Water-soluble liquid fertilizer containing humic acids.
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| CN105481492A (en) * | 2014-09-16 | 2016-04-13 | 长沙学院 | Selenium-rich nutritional agent for improving biosynthesis of ramie wood fiber and preparation method of nutritional agent |
| RU2691693C1 (en) * | 2018-11-26 | 2019-06-17 | Федеральное государственное бюджетное учреждение "Всероссийский научно-исследовательский институт мелиорированных земель" (ФГБНУ ВНИИМЗ) | Method of producing liquid humic fertilizer |
| CN112358350A (en) * | 2020-11-12 | 2021-02-12 | 重庆金满地肥料有限公司 | Harmless treatment method for breeding waste |
| CN115231958A (en) * | 2022-08-17 | 2022-10-25 | 中国科学院成都生物研究所 | Method for co-producing humic acid type water-soluble fertilizer and crude cellulose by using straws |
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| JPH03237082A (en) * | 1990-02-15 | 1991-10-22 | Japan Metals & Chem Co Ltd | Granular phosphatic fertilizer containing humid acid |
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| CN102531742A (en) * | 2010-12-31 | 2012-07-04 | 郭宗华 | Liquid fertilizer and preparation method thereof |
| CN102531714A (en) * | 2011-12-28 | 2012-07-04 | 北京翰华联合环保技术中心 | Biological liquid organic fertilizer and preparation method thereof |
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| JPH03237082A (en) * | 1990-02-15 | 1991-10-22 | Japan Metals & Chem Co Ltd | Granular phosphatic fertilizer containing humid acid |
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