CN102503596B - Method for converting blue algae mud into organic fertilizer by thermal composting - Google Patents
Method for converting blue algae mud into organic fertilizer by thermal composting Download PDFInfo
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- CN102503596B CN102503596B CN2011103336294A CN201110333629A CN102503596B CN 102503596 B CN102503596 B CN 102503596B CN 2011103336294 A CN2011103336294 A CN 2011103336294A CN 201110333629 A CN201110333629 A CN 201110333629A CN 102503596 B CN102503596 B CN 102503596B
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- algae mud
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- 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
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Abstract
The invention discloses a method for converting blue algae mud into an organic fertilizer by thermal composting, which comprises the following steps: concentrating the drained the blue algae mud until the water content is 90-95%, thereby obtaining the concentrated algae mud; adding an environmental induction material, which accounts for 0.1-1.5 wt% of the concentrated algae mud, into the concentrated algae mud; and uniformly stirring, and carrying out thermal composting in a dark place for 3-5 days, thereby obtaining the organic fertilizer. The method disclosed by the invention overcomes the defects of long time, great loss of available nutrients, pathogenic bacteria, viruses, microbial poison accumulation, heavy metal concentration and secondary pollution in the simple composting fermentation, lowers the transportation and storage cost, saves the occupied area and equipment investment, thoroughly implements harmless treatment, and solves the problem in large-scale conversion from wide-resource organic pollutants into the organic fertilizer.
Description
One, technical field
The present invention relates to a kind of control of environmental pollution method, specifically the treatment process of blue algae mud, a kind of method of converting blue algae mud into organic fertilizer by thermal composting more precisely.
Two, background technology
Due to extensive fast development, large amount of sewage enters rivers and lakes, accelerates body eutrophication, causes the outburst of blue-green algae big area.Blue-green algae covers the water surface at the littoral bulk deposition of rivers and lakes, consumes dissolved oxygen in water, and fishes and shrimps hypoxia death, frond rot to distribute stench, have caused a series of ecologies and water security problem, have caused huge financial loss.
It is a global century property difficult problem that blue-green algae is administered with utilization.Blue algae bloom period biological quality is very big.At present, the blue-green algae Emergency management exist to be faced a difficult choice: do not salvage, and ugly, unpleasant, feel bad; Salvage, difficulty puts, unpleasant, difficult with (manpower is many, expense is large, transportation is difficult, landfill is difficult, utilization difficult).
At present, blue-green algae transforms the main anaerobic methane route that adopts, and investment is large, and the blue algae bloom amount is large, is converted too late.Adopt bar buttress formula or slot type compost to transform, rotten 10-25 days of high temperature nuclear reactor, the static composting of after-ripening 25-35 days; Time is long, and environment is stacked off-capacity, the storage difficulty.
Carry fast, storage transform fast and fully utilize fast blue algae bloom scale emergency processing new technology so demand setting up algae moisture urgently from fast, smelly eliminating, to transform fast, recycling etc. be three large problems anxious to be resolved at present and wherein salvage fast, deodorizing.
Three, summary of the invention
The present invention is for fear of the existing weak point of above-mentioned prior art, aims to provide a kind of method of converting blue algae mud into organic fertilizer by thermal composting.Technical problem to be solved is to shorten the transformation period of blue algae mud and make its direct as fertilizer sources or as the batching use of making other mixed fertilizer after conversion.
Environment-induced material refers to change environmental system soda acid pH value, C/N ratio, micro-Fe
2+, Zn
2+, Si, B, Mg
2+Material Deng characteristic element or nutrition content and balance.Environment-induced material can promote engineered microbes probiotics algae Fast Growth propagation, obviously suppresses the growth of spoilage organism algae, is conducive to organic ecological the conversion and clears up.
Fast breeding by the directed wide territory activation of environment-induced material engineered microbes probiotics, suppress the growth of spoilage organism, shorten algae mud organic matter transformation degradation time, thus a kind of method of seeking simple and efficient low-cost high-efficiency for the utilization of blue-green algae pollutant resources.
Technical solution problem of the present invention adopts following technical scheme:
The characteristics of the method for converting blue algae mud into organic fertilizer by thermal composting of the present invention are: the blue algae mud of salvaging is concentrated into water content 90-95wt% (mass percent, obtain concentrated algae mud down together), then add the environment-induced material that concentrates algae shale amount 0.1-0.5wt% in concentrated algae mud, the rear lucifuge temperature that stirs was piled 3-5 days, namely transformed and obtained fertilizer.
The characteristics of the method for converting blue algae mud into organic fertilizer by thermal composting of the present invention also are: the condition during the temperature heap is temperature 20-50 ℃, humidity 65-100g/m
3, normal pressure.
Described environment-induced material constitutes according to mass fraction:
Weibull 0.1-0.5 part, synthetic tannic acid 0.1-0..5 part, humic acids 0.1-3 part, citric acid, one or both in tartrate or oxysuccinic acid, if mass ratio in the time of two kinds between the two is 1: 1, total amount 0.1-0.5 part, polyacrylic acid (PAA) 0.1-0.5 part, molecular weight 2000-5000, zinc sulfate 0.02-0.1 part, ferrous sulfate 0.05-1 part, Magnesium Silicate q-agent 0.1-0.2 part, zinc oxide 0.01-0.05 part, Sodium salts humic acids 0.1-3 part, calcium oxide 0.1-2 part, Attapulgite 0.5-3 part, gac 0.5-1 part, borax 0.1-1 part, polyacrylamide (PAM) 0.005-0.01 part.
Will be above-mentioned each raw material namely get environment-induced material after mixing, environment-induced material can directly add or dilute with water after spray and add.
The fertilizer that obtains basic index after testing satisfies the agricultural control criterion of townm refuse (GB8172-87) and organic fertilizer standard (NY525-2002), does not contain forbidden amphetamine, and heavy metal arsenic, cadmium, lead, mercury, chromium content are all well below detectability.The present invention transforms the fertilizer that obtains can be in plantation (paddy rice, wheat, rape, cotton, nursery, grass planting), the cultivation application such as (saprophagy fish, lotus rhizome, Chinese celery) field.But directly plant flower, cultivation saprophagy fish, lotus rhizome, Chinese celery etc. as fertilizer after thin up during concrete the use, also can be mixed with the organic commercial fertilizer storage with other components and utilize.
Temperature heap is processed minute aerobic and two kinds of anaerobism, analyzes aerobic fermentation with the obvious advantage from environment, health, cost equal angles.Aerobic temperature piles up under aerobic conditions, aerobic bacteria to refuse absorb, oxidation, decomposition.Microorganism is by the vital movement of self, part oxidation operation becomes simple inorganics, and discharging simultaneously can be for the movable required energy of microorganism growth, and a part of organism is synthesized new tenuigenin, make the continuous growth and breeding of microorganism, produce the process of more organism.The organic matter that conversion is completed can be used as cultivation, the plantation ecological organic fertilier is cleared up and completed circulation.
After blue algae mud was concentrated through draining, water content 90-95wt% added environment-induced material, through being pumped directly to flexibility storage bag or open storage pond stacking after mixing, can be airtight or cover, under summer naturally warm and humid environment (20～50 ℃), can transform fully in 3-5 days.Engineered microbes in conversion process (bacterium, actinomycetes, fungi etc.) is increment fast, promote the beneficial microorganism growth, suppress the harmful bacteria breeding, promote the biological degradation of blue algae mud to be converted into stable soil ulmin, eliminate germ, alleviate stink, innoxious, recycling realization of goal.
The present invention utilizes environment-induced material to promote blue algae mud rapid conversion fertilizer, can induced environment in the fast breeding of engineered microbes probiotics, suppress the growth of spoilage organism, deactivation and odorless transform fertilizer rapidly to impel blue algae mud.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, it is long that the inventive method has overcome the simple compost fermentation time; available nutrient is lost in a large number; have that germ, virus, microbial toxin accumulation, heavy metal are concentrated, the problem of secondary pollution; reduce the transportation storage cost; occupation of land and facility investment have been saved; innoxious thorough, solved simultaneously the difficult problem that the organic pollutant mass-producing with extensive resource transforms fertilizer.
2, the present invention mixed nature lucifuge temperature heap 3-5 days by simple, in summer warm and humid environment, rapid deactivation also activates engineered microbes probiotics fast breeding, suppress the spoilage organism growth, promote the organic fast degradation of algae mud to transform, can directly fast blue algae mud odorless be converted into fertilizer, and do not contain the algae toxin, the fermentation maturity degree is high, presses down smelly deodorizing in whole conversion process, and conversion product can be used as fertilizer and is directly used in aquaculture and flowers and plants plantation.
3, the inventive method can store on the spot, transform on the spot, the littoral utilization, cost is low, efficient is high, simple and convenient, the Term Fertilization safety non-toxic, be easy to promotion and implementation, environmentally friendly, do not produce secondary pollution, for comprehensive utilization and the processing of blue-green algae provides simple and fast, low-cost high-efficiency to utilize approach.
Four, embodiment
The present invention is further analyzed and described below in conjunction with specific embodiment.
Embodiment 1:
The present embodiment main raw and instrument: blue algae mud, environment-induced material, Wen Duichi, flexible storage bag, straw screen or mat, mao bamboon, nylon net, sun-proof net, bamboo rake etc.
Conversion process: with algae mud water content 90-95wt% after fresh blue-green algae 500kg thickening, directly add according to 0%, 0.1%, 0.3%, 0.5%, 1.0% and 1.5% of algae shale amount respectively or 20 times of dilute with waters spray afterwards and add environment-induced material, be delivered to after stirring in storage pool or flexible pouch, nature lucifuge temperature heap transforms, temperature 25-35 ℃, humidity 65-100g/m
3, the temperature heap can transform in 3-5 days fully under air pressure 1atm, without obviously algae is smelly, algae mud becomes black, the long adularescent mildew in surface.
The environment-induced material that the present embodiment uses is constructed as follows:
0.5 part, Weibull, 0.5 part of synthetic tannic acid, 2 parts of humic acidss, 0.5 part, tartrate, 0.1 part of polyacrylic acid PAA (molecular weight 2000-5000), 0.1 part, zinc sulfate, 0.05 part, ferrous sulfate, 0.2 part of Magnesium Silicate q-agent, 0.04 part, zinc oxide, 0.5 part of Sodium salts humic acids, 1.5 parts, calcium oxide, 2 parts of Attapulgite, 1 part of gac, 1 part of borax, PAM0.01 part.
Simultaneous test transformation time and the conversion results of the present embodiment see the following form:
Embodiment 2:
Application method 1: with the direct thin up of conversion fertilizer of embodiment 1 preparation as fertilizer, the catfish of feeding, crucian, spiral shell, under topdressing continuously, water pH value floats between 6.9-7.8, the fish spirodromy is long good.
Application method 2: with the direct thin up of conversion fertilizer of embodiment 1 preparation as fertilizer, plantation bracketplant, dripping guanyin, turf, water lily, under topdressing continuously, the bracketplant blade increases, the dripping guanyin blade is pale yellowish green, turf, water lily growth are vigorous.
Algae mud fertilizer fertilizer efficiency composition of the present invention is as follows:
Algae mud fertilizer fertilizer efficiency composition is with reference to the agricultural control criterion of townm refuse, all kinds of heavy metal content, induced worm egg death rate, colititre all meet national standard, because of this fertilizer take blue-green algae as raw material, moisture content is slightly high, but not affecting it uses as agriculture base manure, or use as the batching of organic commercial fertilizer, realized that the blue-green algae waste is innoxious, recycling.
Claims (3)
1. the method for a converting blue algae mud into organic fertilizer by thermal composting, it is characterized in that: the blue algae mud draining of salvaging is concentrated into water content 90-95wt% obtains concentrated algae mud, then add the environment-induced material that concentrates algae shale amount 0.1-1.5wt% in concentrated algae mud, the rear lucifuge temperature that stirs was piled 3-5 days, namely transformed and obtained fertilizer;
Described environment-induced material constitutes according to mass fraction:
Weibull 0.1-0.5 part, synthetic tannic acid 0.1-0..5 part, humic acids 0.1-3 part, one or both in citric acid, tartrate or oxysuccinic acid, if mass ratio two kinds the time between the two is 1:1, total amount 0.1-0.5 part, polyacrylic acid 0.1-0.5 part, molecular weight 2000-5000, zinc sulfate 0.02-0.1 part, ferrous sulfate 0.05-1 part, Magnesium Silicate q-agent 0.1-0.2 part, zinc oxide 0.01-0.05 part, Sodium salts humic acids 0.1-3 part, calcium oxide 0.1-2 part, Attapulgite 0.5-3 part, gac 0.5-1 part, borax 0.1-1 part, polyacrylamide 0.005-0.01 part.
2. method for transformation according to claim 1 is characterized in that: the condition during the temperature heap is temperature 20-50 ℃, humidity 65-100g/m
3, normal pressure.
3. method for transformation according to claim 1 is characterized in that: the addition of environment-induced material is the 0.5-1.5wt% of concentrated algae shale amount.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103336294A CN102503596B (en) | 2011-10-28 | 2011-10-28 | Method for converting blue algae mud into organic fertilizer by thermal composting |
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|---|---|---|---|
| CN2011103336294A CN102503596B (en) | 2011-10-28 | 2011-10-28 | Method for converting blue algae mud into organic fertilizer by thermal composting |
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| CN102503596A CN102503596A (en) | 2012-06-20 |
| CN102503596B true CN102503596B (en) | 2013-05-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103739411A (en) * | 2014-01-17 | 2014-04-23 | 合肥市东方美捷分子材料技术有限公司 | Preparation method of functional organic fertilizer for soil restoration |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924141A (en) * | 2012-11-01 | 2013-02-13 | 南京农业大学 | Process for utilizing three abandoned proteins and thoroughly-decomposed cow dung to produce growth-promoting bio-organic fertilizer and product thereof |
| CN105600942B (en) * | 2015-09-24 | 2019-01-29 | 中国水产科学研究院渔业机械仪器研究所 | A method of biological flocculation is formed using cyanobacterial bloom |
| CN106242652A (en) * | 2016-08-01 | 2016-12-21 | 鹏鹞环保股份有限公司 | A kind of blue algae dewatering composting treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| MXPA03006741A (en) * | 2003-07-29 | 2005-02-03 | Enrique Duarte Macdo Adalberto | Conditioner-fertilizer composition for modifying and improving the structure of saline soils and/or alkaline soils. |
| CN1243692C (en) * | 2004-03-03 | 2006-03-01 | 中国科学院水生生物研究所 | Composite manure for blue alga of water bloom and preparation method thereof |
| ES2245605B1 (en) * | 2004-06-28 | 2006-12-01 | Inabonos, S. A. | FERTILIZING COMPOSITION CONTROLLED BY THE PLANT NEEDS AND ACTIVITY AND PROCEDURE FOR OBTAINING IT. |
| CN101891534B (en) * | 2010-07-08 | 2012-10-17 | 四川大学 | Method for preparing organic multi-trace element-containing fertilizer special for slope artificial soil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103739411A (en) * | 2014-01-17 | 2014-04-23 | 合肥市东方美捷分子材料技术有限公司 | Preparation method of functional organic fertilizer for soil restoration |
| CN103739411B (en) * | 2014-01-17 | 2015-10-28 | 合肥市东方美捷分子材料技术有限公司 | A kind of preparation method of functional organic fertilizer for soil restoration |
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Granted publication date: 20130522 Termination date: 20191028 |