CN103739330B - A kind of method utilizing waste water from washing wool to produce fertilizer - Google Patents
A kind of method utilizing waste water from washing wool to produce fertilizer Download PDFInfo
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- CN103739330B CN103739330B CN201410029129.5A CN201410029129A CN103739330B CN 103739330 B CN103739330 B CN 103739330B CN 201410029129 A CN201410029129 A CN 201410029129A CN 103739330 B CN103739330 B CN 103739330B
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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
Abstract
A kind of method utilizing waste water from washing wool to produce fertilizer of the present invention, belongs to environmental technology field.It adds organic substrate (mud) that is inorganic and organic floculant formation after dehydration in waste water from washing wool, add other organic or inorganic salt again and generate the method with the novel organic fertilizer of high nutrition by the fermentation of fermenting organism bacterium, both the mud of process waste water generation had been reduced to the pollution of environment, can be turned waste into wealth again and be fully utilized, be made novel organic fertilizer for agriculture production.The harmless treatment producing mud in Treatment of Wastewater from Wool Washing process can be solved by the present invention, significantly reduce the cost of disposal of mud, make full use of the nutritive ingredient in mud, improve the utility value of mud, meet the characteristic of recycling economy.
Description
Technical field
The present invention relates to a kind of utilization in waste water from washing wool and add organic substrate (mud) that is inorganic and organic floculant formation after dehydration, add other organic or inorganic salt again and generate the method with the novel organic fertilizer of high nutrition by the fermentation of fermenting organism bacterium, both the mud of process waste water generation had been reduced to the pollution of environment, can be turned waste into wealth again and be fully utilized, make novel organic fertilizer for agriculture production, belong to environmental technology field.
Background technology
A large amount of waste water can be produced in the surface cleaning process of wool, containing lanolin and other sheep excrement, organic acid, protein, organic peptide, organic amine in this waste water from washing wool, and containing potassium, calcium, magnesium, Phosphorus inorganic salt, these materials can be converted into the nutritive substance be absorbed by plants, and high may be used for of nutritive ingredient produces organic fertilizer.
This waste water from washing wool by adding inorganic and organic floculant by these nutritive substance enrichments, flocculation, can carry out solid-liquid separation through dehydration, thus obtaining the organic substrate (also can be referred to as mud) of nutritious solid part.The stalk of pulverizing or the auxiliary material of rice bran, plant ash etc. is mixed in organic substrate, and ight soil and other the organic substance of poultry can be added or be added with the inorganic salt being beneficial to plant-growth, generate by the fermentation of fermenting organism bacterium the small molecule active nutritive substance being easy to be absorbed by plants again, thus promote the growth of plant.
The present invention not only can utilize nutritive substances a large amount of in waste water from washing wool for the production of fertilizer, and the inorganic and organic floculant added in Treatment of Washing Wool Effluent process both can by the nutritive substance flocculation in waste water, enrichment, dehydration, significantly can also reduce the pollutent in waste water, reduce the COD of waste water, ensure discharged wastewater met the national standard.The fertilizer made by the present invention can increase and improve nutritive ingredient in fertilizer and trophic structure.
The a large amount of mud produced in Treatment of Wastewater from Wool Washing process is in the past all based on landfill usually, wastes not to the utmost again a large amount of land resources, also can bring secondary pollution to environment, and increases high transport and landfill cost.The harmless treatment producing mud in Treatment of Wastewater from Wool Washing process can be solved by the present invention, significantly reduce the cost of disposal of mud, make full use of the nutritive ingredient in mud, improve the utility value of mud, meet the characteristic of recycling economy.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, utilize the nutritive substance in waste water from washing wool, being undertaken flocculating by adding inorganic and organic floculant, enrichment, dehydration, then add auxiliary material and carry out the novel organic fertilizer generating and there is abundant nutrition material that ferments.
According to technical scheme provided by the invention, a kind of method utilizing waste water from washing wool to produce fertilizer, step is:
(1) mix: get waste water from washing wool, add the inorganic flocculating agent by waste water from washing wool quality 0.01%-10%, then add the organic polymer coargulator of 0.001%-5%, fully mix;
(2) solid-liquid separation: its nutritive substance generation enrichment under the effect of inorganic flocculating agent and organic floculant of step (1) gained mixture, throwing out, dehydration solid-liquid separation is carried out by solid-liquid separating machine, until gained sludge solids water ratio reaches 10%-90%, namely obtain organic substrate;
(3) interpolation of auxiliary material: add auxiliary material in step (2) gained organic substrate, the add-on of auxiliary material is the 0.1%-95% of organic substrate total mass, fully mixes;
(4) ferment: in step (3) gained mixture, add fermenting organism bacterium, add-on is the 0.01%-9% of organic fertilizer quality, mix laggard windrow to put, leavening temperature in heap is made to increase, by stirring, the high mixture of temperature in heap and the low mixture of out-pile temperature are fully mixed, and proceed to stack fermentation, fermentation time is 3-40d; In whole fermenting process, temperature in heap is kept to be 30-79 DEG C;
Treat that said mixture produces the aromatising flavour of ammonia taste and fermentation, and create naked eyes visible white mycelia group in heap, show that fermentation completes, namely obtain the fertilizer that finished product waste water from washing wool is produced.
Described waste water from washing wool is the waste water containing a large amount of organic matter that wool produces in surface cleaning process.
Described inorganic flocculating agent is the mixture of one or more in aluminium salt, molysite, zinc salt, phosphoric acid salt or composite salt flocculation agent;
Described composite salt flocculation agent is the flocculation agent that the several mixture in aluminium salt, molysite, zinc salt or phosphoric acid salt is formed.
Described organic floculant is the mixture of one or more in amides, quaternary amines, ammonium chloride class, ammonium sulfate class and natural organic high-molecular flocculant;
Described natural organic high-molecular flocculant is one or more in chitosan class flocculation agent, modified starch flocculant, modified-cellulose flocculation agent, lignin flocculation agent, gummy class flocculation agent, algin flocculation agent, gelatin or gelatin flocculation agent.
Described auxiliary material is the mixture of one or more in organic adjuvants, inorganic auxiliary material; Described organic adjuvants is the mixture containing one or more materials in crushing straw, rice bran, rice husk, swill, the slag of plant, shell, leaf, skin, stem, plant ash, sawdust, fowl and animal excrement, river bottom mud or organic sludge; Described inorganic auxiliary material is the mixture containing one or more materials in the inorganic salt of sylvite, phosphoric acid salt, ammonium salt, ammonia salt, molysite, zinc salt or calcium salt.
The compound of one or more in nitrogenous, phosphorus, potassium can be added in step (3) and step (4), or the mixture of the compound of nitrogenous, phosphorus, potassium, addition is 0.01%-30%.
The interpolation of described auxiliary material and the order of addition of fermenting organism bacterium can be put upside down, and namely first add fermenting organism bacterium, then add auxiliary material.
Step (3) described solid-liquid separating machine is pressure filter, whizzer, screw extrusion press, rotary separating machine, filtering type separating machine, band separator or rotary type separating machine.
Described fermenting organism bacterium is fertilizer fermenting biological bacteria.
In the process that step (4) is fermented, fermenting organism bacterium can not be added, directly by stacking fermentation.
Beneficial effect of the present invention:
1, by the present invention can by add in waste water from washing wool inorganic with organic floculant after is separated generation through solid-liquid separating machine dehydration mud both can utilize and made fertilizer, significantly can reduce again the pollutent in waste water, reduce the COD of water outlet, guarantee the discharged wastewater met the national standard after processing.
2, the inorganic and organic floculant added in waste water from washing wool flocculation, dehydration not only serves the effect of flocculation dewatering, and containing a large amount of elements needed for plant-growth in inorganic flocculating agent; Containing a large amount of aminated compoundss in organic floculant, be converted into by the Decomposition of biological bacteria the material that the ammonia nitrogen class being conducive to plant absorption has abundant nutrition.Therefore can increase substantially nutritive substance in fertilizer by adding organic and inorganic flocculating agent, improving the fertilizer efficiency of this fertilizer.
3, the dosage due to the inorganic and organic floculant added in waste water from washing wool is comparatively large, and therefore its nutritive substance converted to is more, has obvious castering action to the fertilizer efficiency of fertilizer.
Organic matter in waste water from washing wool can be carried out fermentation generation fertilizer after adding flocculation agent and carrying out enrichment, concentrated, dehydration by the present invention, turn waste into wealth, both decrease the secondary pollution of Sludge landfill to environment, created again certain economic benefit, meet the requirement of recycling economy.
Embodiment
Fermenting organism bacterium of the present invention is purchased from market.
Embodiment 1
(1) mix: get waste water from washing wool, add the inorganic flocculating agent by waste water from washing wool quality 0.01%, then add the organic polymer coargulator of 0.001%, fully mix;
(2) solid-liquid separation: its nutritive substance generation enrichment under the effect of inorganic flocculating agent and organic floculant of step (1) gained mixture, throwing out, dehydration solid-liquid separation is carried out by solid-liquid separating machine, until gained sludge solids water ratio reaches 90%, namely obtain organic substrate;
(3) interpolation of auxiliary material: add auxiliary material in step (2) gained organic substrate, the add-on of auxiliary material is 0.1% of organic substrate total mass, fully mixes;
(4) ferment: in step (3) gained mixture, add fermenting organism bacterium, add-on is 9% of organic fertilizer quality, mix laggard windrow to put, leavening temperature in heap is made to increase, by stirring, the high mixture of temperature in heap and the low mixture of out-pile temperature are fully mixed, and proceed to stack fermentation, fermentation time is 3d; In whole fermenting process, temperature in heap is kept to be 79 DEG C;
Treat that said mixture produces the aromatising flavour of ammonia taste and fermentation, and create naked eyes visible white mycelia group in heap, show that fermentation completes, namely obtain the fertilizer that finished product waste water from washing wool is produced.
Described waste water from washing wool is the waste water containing a large amount of organic matter that wool produces in surface cleaning process.
Described inorganic flocculating agent is aluminium salt; Described organic floculant is amides organic floculant; Described auxiliary material is the mixture containing crushing straw, rice bran.
Step (3) described solid-liquid separating machine is pressure filter.
Embodiment 2
(1) mix: get waste water from washing wool, add the inorganic flocculating agent by waste water from washing wool quality 10%, then add the organic polymer coargulator of 5%, fully mix;
(2) solid-liquid separation: its nutritive substance generation enrichment under the effect of inorganic flocculating agent and organic floculant of step (1) gained mixture, throwing out, dehydration solid-liquid separation is carried out by solid-liquid separating machine, until gained sludge solids water ratio reaches 10%, namely obtain organic substrate;
(3) interpolation of auxiliary material: add auxiliary material in step (2) gained organic substrate, the add-on of auxiliary material is 95% of organic substrate total mass, fully mixes;
(4) ferment: in step (3) gained mixture, add fermenting organism bacterium, add-on is 0.5% of organic fertilizer quality, mix laggard windrow to put, leavening temperature in heap is made to increase, by stirring, the high mixture of temperature in heap and the low mixture of out-pile temperature are fully mixed, and proceed to stack fermentation, fermentation time is 20d; In whole fermenting process, temperature in heap is kept to be 60 DEG C;
Treat that said mixture produces the aromatising flavour of ammonia taste and fermentation, and create naked eyes visible white mycelia group in heap, show that fermentation completes, namely obtain the fertilizer that finished product waste water from washing wool is produced.
Described waste water from washing wool is the waste water containing a large amount of organic matter that wool produces in surface cleaning process.
Described inorganic flocculating agent is the mixture of aluminium salt, molysite; Described organic floculant is lignin flocculation agent.Described auxiliary material is for containing sylvite, phosphatic mixture.
Step (3) described solid-liquid separating machine is screw extrusion press.
Embodiment 3
(1) mix: get waste water from washing wool, add the inorganic flocculating agent by waste water from washing wool quality 1%, then add the organic polymer coargulator of 0.03%, fully mix;
(2) solid-liquid separation: its nutritive substance generation enrichment under the effect of inorganic flocculating agent and organic floculant of step (1) gained mixture, throwing out, dehydration solid-liquid separation is carried out by solid-liquid separating machine, until gained sludge solids water ratio reaches 75%, namely obtain organic substrate;
(3) interpolation of auxiliary material: add auxiliary material in step (2) gained organic substrate, in the organic adjuvants of 18% and 2% inorganic auxiliary material, the add-on of auxiliary material is 20% of organic substrate total mass, fully mixes;
(4) ferment: mix laggard windrow and put, to make in heap leavening temperature increase, by stirring, the high mixture of temperature in heap and the low mixture of out-pile temperature are fully mixed, and proceed to stack fermentation, fermentation time is 40d; In whole fermenting process, temperature in heap is kept to be 30 DEG C;
Treat that said mixture produces the aromatising flavour of ammonia taste and fermentation, and create naked eyes visible white mycelia group in heap, show that fermentation completes, namely obtain the fertilizer that finished product waste water from washing wool is produced.
Described waste water from washing wool is the waste water containing a large amount of organic matter that wool produces in surface cleaning process.
Described inorganic flocculating agent is zinc salt, phosphatic composite salt flocculation agent; Described organic adjuvants is the mixture containing swill, the slag of plant, shell, leaf, skin, stem; Described inorganic auxiliary material is containing the mixture in the inorganic salt of molysite, zinc salt or calcium salt.
Add containing nitrogen compound in step (3), addition is 0.1%.
Step (3) described solid-liquid separating machine is separating centrifuge.
Claims (4)
1. utilize waste water from washing wool to produce a method for fertilizer, it is characterized in that step is:
(1) mix: get waste water from washing wool, add the inorganic flocculating agent by waste water from washing wool quality 0.01%-10%, then add the organic polymer coargulator of 0.001%-5%, fully mix;
(2) solid-liquid separation: its nutritive substance generation enrichment under the effect of inorganic flocculating agent and organic polymer coargulator of step (1) gained mixture, throwing out, dehydration solid-liquid separation is carried out by solid-liquid separating machine, until gained sludge solids water ratio reaches 10%-90%, namely obtain organic substrate;
(3) interpolation of auxiliary material: add auxiliary material in step (2) gained organic substrate, the add-on of auxiliary material is the 0.1%-95% of organic substrate total mass, fully mixes;
(4) ferment: in step (3) gained mixture, add fermenting organism bacterium, add-on is the 0.01%-9% of organic fertilizer quality, mix laggard windrow to put, leavening temperature in heap is made to increase, by stirring, the high mixture of temperature in heap and the low mixture of out-pile temperature are fully mixed, and proceed to stack fermentation, fermentation time is 3-40d; In whole fermenting process, temperature in heap is kept to be 30-79 DEG C;
Treat that said mixture produces the aromatising flavour of ammonia taste and fermentation, and create naked eyes visible white mycelia group in heap, show that fermentation completes, namely obtain the fertilizer that finished product waste water from washing wool is produced;
Described inorganic flocculating agent is the mixture of one or more in aluminium salt, molysite, zinc salt, phosphoric acid salt or composite salt flocculation agent;
Described composite salt flocculation agent is the flocculation agent that the several mixture in aluminium salt, molysite, zinc salt or phosphoric acid salt is formed;
Described organic polymer coargulator is the mixture of one or more in amides, quaternary amines, ammonium chloride class, ammonium sulfate class and natural organic high-molecular flocculant;
Described natural organic high-molecular flocculant is one or more in chitosan class flocculation agent, modified starch flocculant, modified-cellulose flocculation agent, lignin flocculation agent, gummy class flocculation agent, algin flocculation agent, gelatin or gelatin flocculation agent;
Described auxiliary material is the mixture of one or more in organic adjuvants, inorganic auxiliary material; Described organic adjuvants is the mixture containing one or more materials in crushing straw, rice bran, rice husk, swill, plant ash, sawdust, fowl and animal excrement, river bottom mud or organic sludge; Described inorganic auxiliary material is the mixture containing one or more materials in the inorganic salt of sylvite, phosphoric acid salt, ammonium salt, ammonia salt, molysite, zinc salt or calcium salt;
The compound of one or more in nitrogenous, phosphorus, potassium is added in step (3) or step (4), or the mixture of the compound of nitrogenous, phosphorus, potassium, addition is 0.01%-30%;
Described fermenting organism bacterium is fertilizer fermenting bacteria agent.
2. utilize waste water from washing wool to produce the method for fertilizer as claimed in claim 1, it is characterized in that: the interpolation of described auxiliary material and the order of addition of fermenting organism bacterium can be put upside down, namely first add fermenting organism bacterium, then add auxiliary material.
3. utilize waste water from washing wool to produce the method for fertilizer as claimed in claim 1, it is characterized in that: step (2) described solid-liquid separating machine is pressure filter, whizzer, screw extrusion press, rotary separating machine, filtering type separating machine, band separator or rotary type separating machine.
4. utilize waste water from washing wool to produce the method for fertilizer as claimed in claim 1, it is characterized in that: in the process that step (4) is fermented, do not add fermenting organism bacterium, directly by stacking fermentation.
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| RU2734239C1 (en) * | 2020-03-17 | 2020-10-13 | Акционерное общество "Научно-производственное предприятие "Радий" | Method of producing organomineral agrochemicals from wastes from wool-washing production with their simultaneous recycling |
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| CN103992151B (en) * | 2014-05-29 | 2016-04-06 | 钱峰 | Containing the Biofertiliser composition of pig manure, silkworm excrement, rice husk |
| CN105061043A (en) * | 2015-08-05 | 2015-11-18 | 马鞍山科邦生态肥有限公司 | Fertilizer synergistic additive with good moistureproof effect |
| CN108863457A (en) * | 2018-08-09 | 2018-11-23 | 芜湖市三山区绿色食品产业协会 | Natural feather Organic sludge manure and preparation method thereof |
| CN110002923A (en) * | 2019-04-02 | 2019-07-12 | 无锡希洁环保技术有限公司 | A kind of preparation method of organic soil conditioner |
| CN111116247A (en) * | 2019-12-30 | 2020-05-08 | 江苏培蕾基质科技发展有限公司 | Method for preparing bio-organic fertilizer from wool washing sludge and application |
| CN111109045A (en) * | 2019-12-30 | 2020-05-08 | 江苏培蕾基质科技发展有限公司 | Method for preparing flower cultivation soil by using wool washing sludge |
| CN111109044A (en) * | 2019-12-30 | 2020-05-08 | 江苏培蕾基质科技发展有限公司 | Method for preparing vegetable seedling raising substrate by using wool washing sludge |
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Effective date of registration: 20221021 Address after: No. 93, Pailou Village, Yanqiao Street, Huishan District, Wuxi City, Jiangsu Province, 214171 Patentee after: Tong Yi Address before: 214171 Tianyicheng 33-1101, Huishan District, Wuxi City, Jiangsu Province Patentee before: WUXI XIJIE ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |