CN101870612A - Organic composite fertilizer produced by using printing and dyeing sludge and manufacturing method thereof - Google Patents
Organic composite fertilizer produced by using printing and dyeing sludge and manufacturing method thereof Download PDFInfo
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- CN101870612A CN101870612A CN201010220322A CN201010220322A CN101870612A CN 101870612 A CN101870612 A CN 101870612A CN 201010220322 A CN201010220322 A CN 201010220322A CN 201010220322 A CN201010220322 A CN 201010220322A CN 101870612 A CN101870612 A CN 101870612A
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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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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Abstract
The invention relates to an organic composite fertilizer produced by using printing and dyeing sludge and a manufacturing method thereof. The invention is characterized in that: printing and dyeing sludge powder, coconut shell waste residue powder, waste plant powder, livestock barn dejecta powder, quick lime powder, calcium hydrophosphate, ammonium nitrate, potassium sulfate, sodium borate, ferrous sulphate, magnesium sulfate and Li polymer heavy metal collector are used as raw materials; the raw materials are mixed uniformly in a mixing stirrer to prepare a printing and dyeing sludge organic composite fertilizer product; and the product contains various nutrients such as nitrogen, phosphorus, potassium, various micro elements and organic acids and therefore satisfies the needs of the crops for growth, and the product has the advantages of no pollution, low cost, great benefits, prevention of secondary pollution, environmental pollution and land conservation.
Description
Technical field
The present invention relates to a kind of organic composite fertilizer of producing with printing and dyeing sludge, specifically it is that the useless plant of mud, depleted Exocarpium cocois (Cocos nucifera L), leaf, branch, domestic animal stable dung with printing and dyeing mill is the organic composite fertilizer of main material production, belongs to the waste treatment field.
The invention still further relates to the manufacture method of this organic composite fertilizer.
Background technology
The sanitary sewage of the printing and dyeing sludge living quarters discharging in the trade effluent that produces in the dyeing process and factory are produced in weaving that is printing and dyeing mill, through a kind of blended solid waste of separating after sewage work's processing, the composition of the printing and dyeing sludge equal more complicated of originating, wherein contain heavy metal element and hazardous and noxious substances such as a large amount of cadmiums, mercury, lead, chromium, arsenic, nickel, zinc, copper, prussiate, pathogenic bacteria, parasitic ovum, organic pollutant, belong to one of dangerous solid waste of national regulation.Along with China's industrial production and rapid development of economy, textile printing and dyeing enterprises quantity increases year by year, and scale is increasing, and the quantity discharged of the sanitary sewage in printing and dyeing industrial waste water and living quarters is increasing, and the generation of printing and dyeing sludge also increases sharply.The printing and dyeing sludge of a large amount of accumulation not only will take a large amount of soils, and objectionable constituent wherein such as heavy metal; Copper, chromium, arsenic, mercury, cadmium, lead, nickel, zinc etc., pathogenic bacteria, parasitic ovum, organic pollutant and foul smell will become big public hazards that influence urban environmental hygiene, effective treatment technology is all actively being sought by governments at all levels and relevant department, China is to the treatment process of printing and dyeing sludge at present, mainly be to adopt burying method to handle, to reduce pollution to environment.But, the composition more complicated of printing and dyeing sludge, water ratio height, particularly heavy metal, if unprocessed direct landfill, will contaminated soil and groundwater resource, be easy to generate secondary pollution, environment is caused serious harm.Long-term landfill need take a large amount of land resources, how properly scientifically printing and dyeing sludge to be carried out treatment and disposal, make it reach minimizing, stabilization, innoxious and resource utilization, become one of the big research topic of scientific and technical personnel's extensive concern of China and even whole world environment circle.
Summary of the invention
Purpose of the present invention provides a kind of organic composite fertilizer of producing with printing and dyeing sludge just for the problem that solves above-mentioned existence, thereby solved the pollution of printing and dyeing sludge to environment, also solved the resource recycling of printing and dyeing sludge, and turn waste into wealth, change evil and be benefit, realized that the resource benign cycle of solid waste utilizes.
The present invention also provides the manufacture method of printing and dyeing sludge organic composite fertilizer.
The objective of the invention is by following technical proposal Shi Now:
A kind of organic composite fertilizer of producing with printing and dyeing sludge, it is made by the following weight proportion raw material,
45～55 parts of printing and dyeing sludge powders
15～25 parts of Exocarpium cocois (Cocos nucifera L) waste residue powders
25～35 parts of useless pure plant powders
20～30 parts of domestic animal stable dung powders
15～20 parts of unslaked lime powders
15～20 parts of secondary calcium phosphates
10～15 parts in ammonium nitrate
8～12 parts of vitriolate of tartar
0.3～0.5 part of Sodium Tetraborate
1～2 part in ferrous sulfate
3～6 parts in sal epsom
0.5～0.8 part of Li high molecular heavy metals trapping agent,
Described printing and dyeing sludge powder is the sanitary sewage of discharging in the trade effluent that produces in process of production of printing and dyeing mill and the factory, through a kind of mixed waste of separating after sewage work's processing, pass through mechanical dehydration, deodorizing, disinfection, chelation treatment, drying again, after abrasive dust, sorting, make particle diameter and be powder less than-0.18mm;
Described Exocarpium cocois (Cocos nucifera L) waste residue powder is the depleted Exocarpium cocois (Cocos nucifera L) that produces in the beverage production process, through pulverizing, sorting, drying, makes particle diameter again and be the powder less than-0.18mm after abrasive dust, sorting;
Described useless pure plant powder is leaf, branch and the weeds that produce in afforestation production and the pruning process, through pulverizing, sorting, drying, makes particle diameter again after abrasive dust, the sorting and is the powder less than-0.18mm;
Described domestic animal stable dung powder is the mixture of horse, mule, donkey fecaluria and straw in a mattress residue, through deodorizing, disinfection, digestion process, drying, makes particle diameter again after abrasive dust, the sorting and is the powder less than-0.18mm;
A kind of manufacture method of the organic composite fertilizer of producing with printing and dyeing sludge, it is undertaken by following step:
Printing and dyeing sludge powder with 45～55 weight parts, the Exocarpium cocois (Cocos nucifera L) waste residue powder of 15～25 weight parts, the useless pure plant powder of 25～35 weight parts, the domestic animal stable dung powder of 20～30 weight parts, the unslaked lime powder of 15～20 weight parts, the secondary calcium phosphate of 15～20 weight parts, the ammonium nitrate of 10～15 weight parts, the vitriolate of tartar of 8～12 weight parts, 0.3 the Sodium Tetraborate of～0.5 weight part, the ferrous sulfate of 1～2 weight part, the Li high molecular heavy metals trapping agent of the Liu Suan Magnesium of 3～6 weight parts and 0.5～0.8 weight part is a raw material, mixes packing through stirrer and makes printing and dyeing sludge organic composite fertilizer product.
Its powder particle diameter of described unslaked lime is the powder less than-0.18mm.
It is the main raw material of organic composite fertilizer that the present invention adopts printing and dyeing sludge, Exocarpium cocois (Cocos nucifera L) waste residue, useless plant, domestic animal stable dung, be that nutrient substance mainly comprises nitrogen, phosphorus, potassium three elements because printing and dyeing sludge itself contains nutrient for plants, protein, fat and soil ulmin etc.Nitrogen can promote the growth of plant stem-leaf; Phosphorus can excite the breeding of plant root, and accelerates maturing and increase plant are to the resistivity of disease and pest; Potassium can promote the growth vigor of plant, is to grow wooden limb, pulp, constitutes chlorophyllous important component.Mud also contains other required various trace elements of plant-growth.Be fit to the growth of various crops, analytical test after deliberation wherein contains total nitrogen content and is 2.54%, full phosphorus amount is 2.04%, full potassium amount is 0.26%, organic matter is 46.9% and trace elements such as copper, zinc, boron.Nitrogen is proteinic element, the formation of involved in plant body inner chlorophyll, thus improve photosynthetic intensity, to increase the intravital carbohydrate of plant, can improve output.Phosphorus is the important component of plant nucleolus, and it is suitable for the differentiation and development of cell fission and each organ-tissue of plant, the important effect of particularly blossoming and bearing fruit, and it is the indispensable a kind of element of physiological metabolism activity in the plant materials.Phosphorus all has good effect to disease resistance, winter resistance and the drought-resistant ability that improves plant.Potassium can quicken the assimilation process of plant to carbonic acid gas, can promote the conversion of carbohydrate, proteinic synthetic and cell fission.Potassium can improve photosynthetic intensity, and the potassium element is in liberal supply in the soil, and sugar, starch, Mierocrystalline cellulose and the fat etc. that form in the plant materials are more, and the quality of not only output height, and product is good.Through producing soil ulmin behind the microbiological degradation, can promote the formation of soil aggregate after these nutritive elements are manured into soil, strengthen the soil water-reataining fertilizer-keeping ability, can improve and fertilizing soil, be fit to the growth of various crops.The domestic animal stable dung is horse, mule, donkey fecaluria and straw in a mattress residue composition mixture, and wherein nitrogen content is: 0.58%; Phosphorus content is: 0.28%; Potassium content is: 0.53%; Containing organic material is: 25.4%; It is medium that nutrient content belongs to, and is that a kind of becoming thoroughly decomposed decomposed the hot manure fast, that thermal value is big, and the content with Exocarpium cocois (Cocos nucifera L) and useless plant mixing energy raising organic substance is applicable to various soil and various crop.
Utilize calcium lime powder to printing and dyeing sludge, domestic animal stable dung, sterilization and adopt the agent of Li high molecular heavy metals trapping that printing and dyeing sludge is carried out huge legendary turtle and close processing carries out disinfection, make the heavy metal element in the printing and dyeing sludge reach the reinforcement chemical stabilization, after digestion process, heavy metal element in the printing and dyeing sludge is captured, generate the huge legendary turtle compound of cross-linked structure, realize the efficient stableization of printing and dyeing sludge heavy metal element, avoided the secondary pollution of heavy metal.
Because containing nitrogen, phosphorus, potassium three elements and organic element in the printing and dyeing sludge decomposes in the digestion process process of mud easily, produce labile factor, it is the additional raw material of nitrogen, phosphorus, potassium that the present invention adopts ammonium nitrate, secondary calcium phosphate, vitriolate of tartar and Sodium Tetraborate, make the nutritive ingredient of nitrogen, phosphorus, potassium and the trace element of this printing and dyeing sludge organic composite fertilizer that guarantee arranged, can satisfy the needs of plant-growth.
The present invention is to printing and dyeing sludge, domestic animal stable dung, carry out utilizing in the digestion process process ferrous sulfate to be reductive agent respectively, and sal epsom is the ferrous iron retention agent, can make printing and dyeing sludge, domestic animal stable dung, can fully decompose, and reaches rapid de-odorised purpose.
The manufacture method of printing and dyeing sludge organic composite fertilizer of the present invention, be with raw materials such as printing and dyeing sludge powder, Exocarpium cocois (Cocos nucifera L) powder, useless pure plant powder, domestic animal stable dung powder, unslaked lime powder, secondary calcium phosphate, ammonium nitrate, vitriolate of tartar, Sodium Tetraborate, ferrous sulfate, sal epsom, the agent of Li high molecular heavy metals trapping, adopt twin shaft paddle mixing and blending machine mixing stirring, make material in body, be subjected to mechanical effect and produce comprehensive compound cycle, carry out at extensively staggered no dead angle, thereby reach the purpose of even diffusive mixing fertilizer.Again the powder that mixes is transported to special-purpose storing silo, makes printing and dyeing sludge organic composite fertilizer product after employing full-automatic electronic computation weigh wrapping machine system packs.Thereby solved printing and dyeing sludge, the difficult problem of domestic animal stable dung processing, realized the resource utilization recycle of printing and dyeing sludge, Exocarpium cocois (Cocos nucifera L), useless plant and domestic animal stable dung, to reduce pollution to physical environment.
The printing and dyeing sludge organic composite fertilizer of producing according to the technology of the present invention, through the relevant quality examination department check of Country family's regulation, every technical indicator all reaches the technical requirement of the organic fertilizer that NY525-2002 People's Republic of China (PRC) industry standard stipulates.Detected result is as follows through the product quality inspection center of the Institute of Analysis of Guangdong Prov. Inst. of Ecological Environment ﹠ Soil Science and the Shenzhen institute of agricultural sciences:
The printing and dyeing sludge organic composite fertilizer detects:
According to the industry standard Ny-2002 of the People's Republic of China (PRC) " organic fertilizer ":
Name of product: the printing and dyeing sludge organic composite fertilizer,
Detected result:
A) total nitrogen content is: 2.55～2.66%; B) content of tatal phosphorus is: 1.68～1.98%;
C) full potassium content is: 0.25-0.26%; D) organic content: 41.6～48.3%;
E) moisture content: 16.8～18.6%; F) pH 5.8～6.8;
Owing to take technique scheme the technology of the present invention to have following advantage and effect:
A) printing and dyeing sludge organic composite fertilizer of the present invention, be to be main raw material and to add other trace elements with printing and dyeing sludge, Exocarpium cocois (Cocos nucifera L), useless plant and domestic animal stable dung, it is the mixed fertilizer that a kind of multielement is formed, wherein contain various plant nutrients, organic matter discharges various nutrients such as nitrogen, phosphorus, potassium, trace element and organic acid and can be made for the thing growth needs in decomposition course;
B) activity of microorganism in the promotion soil, the required nutritive substance of microorganism in the soil directly or indirectly from organic substance, when using this organic composite fertilizer in the soil, can promote the vigorous activity of beneficial microorganism, helps crop growth;
C) improve the soil, the degradation production of organic matter and soil particle bond together and form granule, and these help to keep loosing soil, and more effectively water conservation and guarantor are fertile, the leaching loss of nutrient in the minimizing soil;
D) effect of activation phosphorus, the phosphorus compound in the soil generally is difficult for being quick-acting attitudes and is made for the thing absorption, and the phosphorus of the soil organism or humic mass-energy and insoluble is reacted, and quickens the dissolving of phosphorus, increases crop absorbing phosphorus.By constantly adding this organic fertilizer to soil, just continuous fertilizing soil makes plant growth luxuriant, increases output;
E) reduced the heavy metal content of printing and dyeing sludge, having solved printing and dyeing sludge needs the difficult problem that takies a large amount of land resources and cause secondary pollution easily in the landfill process, both protected environment, has saved the soil again.
F) production technique is simple, and three-waste free discharge meets national recycling economy and energy-saving and emission-reduction protection environment requirement spirit, and less investment, See imitate fast, cost is low, profitable.
Embodiment:
Embodiment 1
The sanitary sewage that discharges in trade effluent that printing and dyeing mill is produced in process of production and the factory, through a kind of mixed waste of separating after sewage work's processing, pass through mechanical dehydration, deodorizing, disinfection, chelation treatment, drying again, after abrasive dust, sorting, make particle diameter and be printing and dyeing sludge powder less than-0.18mm;
With the depleted Exocarpium cocois (Cocos nucifera L) that produces in the beverage production process,, after abrasive dust, sorting, make particle diameter again and be Exocarpium cocois (Cocos nucifera L) waste residue powder less than-0.18mm through pulverizing, sorting, drying;
Leaf, branch and weeds that afforestation production and pruning are produced through pulverizing, sorting, drying, are made particle diameter again and are the useless pure plant powder less than-0.18mm after abrasive dust, the sorting;
With the mixture of horse, mule, donkey fecaluria and straw in a mattress residue,, make particle diameter again after abrasive dust, the sorting and be domestic animal stable dung powder less than-0.18mm through deodorizing, disinfection, digestion process, drying;
Get printing and dyeing sludge powder 45kg, the Exocarpium cocois (Cocos nucifera L) waste residue powder 15kg of above-mentioned preparation, useless pure plant powder 25kg, domestic animal stable dung powder 20kg, preparing quick lime powder 15kg, secondary calcium phosphate 15kg, ammonium nitrate 10kg, vitriolate of tartar 8kg, Sodium Tetraborate 0.3kg, ferrous sulfate 1kg, sal epsom 3kg and Li high molecular heavy metals Pu collection agent 0.5kg adopt twin shaft paddle mixing and blending machine to mix above-mentioned raw materials and make printing and dyeing sludge organic composite fertilizer product again.Nitrogen content is after testing: 2.66%; Phosphorus content is: 1.96%; Potassium content is: 0.25%; Containing organic matter is: 45.6%; Water ratio: 18.6%; PH:6.8; All reach Ny-2002 People's Republic of China (PRC) industry standard.Be qualified product.
Embodiment 2
Get printing and dyeing sludge powder 50kg, the Exocarpium cocois (Cocos nucifera L) waste residue powder 20kg of embodiment 1, useless pure plant powder 30kg, domestic animal stable dung powder 25kg, preparing quick lime powder 18kg, secondary calcium phosphate 18kg, ammonium nitrate 13kg, vitriolate of tartar 10kg, Sodium Tetraborate 0.4kg, ferrous sulfate 1.5kg, sal epsom 5kg and Li high molecular heavy metals Pu collection agent 0.6kg adopt twin shaft paddle mixing and blending machine to mix above-mentioned raw materials and make printing and dyeing sludge organic composite fertilizer product again.Nitrogen content is after testing: 2.55%; Phosphorus content is: 1.68%; Potassium content is: 0.25%; Containing organic matter is: 41.6%; Water ratio: 17.2%; PH:6.5; All reach Ny-2002 People's Republic of China (PRC) industry standard.Be qualified product.
Embodiment 3
Get printing and dyeing sludge powder 55kg, the Exocarpium cocois (Cocos nucifera L) waste residue powder 25kg of embodiment 1, useless pure plant powder 35kg, domestic animal stable dung powder 30kg, preparing quick lime powder 20kg, secondary calcium phosphate 20kg, ammonium nitrate 15kg, vitriolate of tartar 12kg, Sodium Tetraborate 0.5kg, ferrous sulfate 2kg, sal epsom 6kg and Li high molecular heavy metals Pu collection agent 0.8kg adopt twin shaft paddle mixing and blending machine to mix above-mentioned raw materials and make printing and dyeing sludge organic composite fertilizer product again.Nitrogen content is after testing: 2.63%; Phosphorus content is: 1.98%; Potassium content is: 0.26%; Containing organic matter is: 48.2%; Water ratio: 16.8%; PH:5.8; All reach Ny-2002 People's Republic of China (PRC) industry standard.Be qualified product.
Embodiment 4
Get printing and dyeing sludge powder 55kg, the Exocarpium cocois (Cocos nucifera L) waste residue powder 15kg of embodiment 1, useless pure plant powder 35kg, domestic animal stable dung powder 20kg, preparing quick lime powder 20kg, secondary calcium phosphate 15kg, ammonium nitrate 15kg, vitriolate of tartar 8kg, Sodium Tetraborate 0.5kg, ferrous sulfate 1kg, sal epsom 6kg and Li high molecular heavy metals Pu collection agent 0.7kg adopt twin shaft paddle mixing and blending machine to mix above-mentioned raw materials and make printing and dyeing sludge organic composite fertilizer product again.Nitrogen content is after testing: 2.64%; Phosphorus content is: 1.96%; Potassium content is: 0.25%; Containing organic matter is: 48.3%; Water ratio: 16.8%; PH:5.8; All reach Ny-2002 People's Republic of China (PRC) industry standard.Be qualified product.
Claims (3)
1. organic composite fertilizer of producing with printing and dyeing sludge is characterized in that it is made by the following weight proportion raw material;
45～55 parts of printing and dyeing sludge powders
15～25 parts of Exocarpium cocois (Cocos nucifera L) waste residue powders
25～35 parts of useless pure plant powders
20～30 parts of family's animal manure powders
15～20 parts of unslaked lime powders
15～20 parts of secondary calcium phosphates
10～15 parts in ammonium nitrate
8～12 parts of vitriolate of tartar
0.3～0.5 part of Sodium Tetraborate
1～2 part in ferrous sulfate
3～6 parts in sal epsom
0.5～0.8 part of Li high molecular heavy metals trapping agent,
Described printing and dyeing sludge powder is the sanitary sewage of discharging in the trade effluent that produces in process of production of printing and dyeing mill and the factory, a kind of mixed waste of separating after handling through sewage work is the powder less than-0.18mm through making particle diameter after mechanical dehydration, deodorizing, disinfection, chelation treatment, drying, abrasive dust, the sorting again;
Described Exocarpium cocois (Cocos nucifera L) waste residue powder is the depleted Exocarpium cocois (Cocos nucifera L) that produces in the beverage production process, through pulverizing, sorting, drying, makes particle diameter after abrasive dust, the sorting and is the powder less than-0.18mm;
Described useless pure plant powder is leaf, branch and the weeds that produce in afforestation production and the pruning process, through pulverizing, sorting, drying, makes particle diameter again after abrasive dust, the sorting and is the powder less than-0.18mm;
Described domestic animal stable dung powder is the mixture of horse, mule, donkey fecaluria and straw in a mattress residue, through deodorizing, disinfection, digestion process, drying, makes particle diameter again after abrasive dust, the sorting and is the powder less than-0.18mm;
2. as the manufacture method of a kind of organic composite fertilizer of producing with printing and dyeing sludge according to claim 1, it is characterized in that it is undertaken by following step:
Printing and dyeing sludge powder with 45～55 weight parts, the Exocarpium cocois (Cocos nucifera L) waste residue powder of 15～25 weight parts, the useless pure plant powder of 25～35 weight parts, the domestic animal stable dung powder of 20～30 weight parts, the unslaked lime powder of 15～20 weight parts, the secondary calcium phosphate of 15～20 weight parts, the ammonium nitrate of 10～15 weight parts, the vitriolate of tartar of 8～12 weight parts, 0.3 the Sodium Tetraborate of～0.5 weight part, the ferrous sulfate of 1～2 weight part, the Li high molecular heavy metals trapping agent of the Liu Suan Magnesium of 3～6 weight parts and 0.5～0.8 weight part is a raw material, mixes through stirrer and makes printing and dyeing sludge organic composite fertilizer product.
3. printing and dyeing sludge organic composite fertilizer according to claim 1 and 2 is characterized in that its powder particle diameter of described unslaked lime is the powder less than-0.18mm.
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| CN2010102203229A CN101870612B (en) | 2010-07-08 | 2010-07-08 | Organic composite fertilizer produced by using printing and dyeing sludge and manufacturing method thereof |
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| CN2010102203229A CN101870612B (en) | 2010-07-08 | 2010-07-08 | Organic composite fertilizer produced by using printing and dyeing sludge and manufacturing method thereof |
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| CN101870612A true CN101870612A (en) | 2010-10-27 |
| CN101870612B CN101870612B (en) | 2012-08-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102020509A (en) * | 2010-10-28 | 2011-04-20 | 李桓宇 | Organic composite fertilizer produced from house refuse and production method thereof |
| CN102351604A (en) * | 2011-07-29 | 2012-02-15 | 河源市固体废物集中处置中心有限公司 | Biological organic compound fertilizer prepared from food garbage and manufacturing method thereof |
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| JPH1135388A (en) * | 1997-07-14 | 1999-02-09 | Chichibu Onoda Cement Corp | Production of organic fertilizer |
| CN1253931A (en) * | 1999-12-16 | 2000-05-24 | 刘泉 | Liquid fertilizer and its preparation method |
| CN1413955A (en) * | 2001-10-22 | 2003-04-30 | 沈莲淑 | Method for preparing organic fertilizer using by-product of animal powder and plant waste matter |
| CN101074174A (en) * | 2007-06-19 | 2007-11-21 | 肖国华 | Method for producing organic fertilizer with urban refuse as raw material |
| CN101497546A (en) * | 2008-01-30 | 2009-08-05 | 李仁俊 | Efficient biological organic compound fertilizer for tree plant |
-
2010
- 2010-07-08 CN CN2010102203229A patent/CN101870612B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1135388A (en) * | 1997-07-14 | 1999-02-09 | Chichibu Onoda Cement Corp | Production of organic fertilizer |
| CN1253931A (en) * | 1999-12-16 | 2000-05-24 | 刘泉 | Liquid fertilizer and its preparation method |
| CN1413955A (en) * | 2001-10-22 | 2003-04-30 | 沈莲淑 | Method for preparing organic fertilizer using by-product of animal powder and plant waste matter |
| CN101074174A (en) * | 2007-06-19 | 2007-11-21 | 肖国华 | Method for producing organic fertilizer with urban refuse as raw material |
| CN101497546A (en) * | 2008-01-30 | 2009-08-05 | 李仁俊 | Efficient biological organic compound fertilizer for tree plant |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102020509A (en) * | 2010-10-28 | 2011-04-20 | 李桓宇 | Organic composite fertilizer produced from house refuse and production method thereof |
| CN102351604A (en) * | 2011-07-29 | 2012-02-15 | 河源市固体废物集中处置中心有限公司 | Biological organic compound fertilizer prepared from food garbage and manufacturing method thereof |
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| CN101870612B (en) | 2012-08-08 |
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