CN102311828A - Environmentally friendly recycle method for preparing civil fuel from fresh cow dung - Google Patents

Environmentally friendly recycle method for preparing civil fuel from fresh cow dung Download PDF

Info

Publication number
CN102311828A
CN102311828A CN201110250310A CN201110250310A CN102311828A CN 102311828 A CN102311828 A CN 102311828A CN 201110250310 A CN201110250310 A CN 201110250310A CN 201110250310 A CN201110250310 A CN 201110250310A CN 102311828 A CN102311828 A CN 102311828A
Authority
CN
China
Prior art keywords
parts
weight
bright
coal
ight soil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201110250310A
Other languages
Chinese (zh)
Inventor
李广有
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHANGJIAKOU ACADEMY OF AGRICULTURAL SCIENCES
Original Assignee
ZHANGJIAKOU ACADEMY OF AGRICULTURAL SCIENCES
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZHANGJIAKOU ACADEMY OF AGRICULTURAL SCIENCES filed Critical ZHANGJIAKOU ACADEMY OF AGRICULTURAL SCIENCES
Priority to CN201110250310A priority Critical patent/CN102311828A/en
Publication of CN102311828A publication Critical patent/CN102311828A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

Landscapes

  • Fertilizers (AREA)

Abstract

The invention relates to the technical field of livestock dung treatment, and specially, relates to an environmentally friendly recycle method for preparing a civil fuel from fresh cow dung. Herdsmen have habits of preparing a fuel from cow dung from of old. Fresh cattle dung has high water content and thus being dried in air. Fresh cow dung has water content above 80% and thus needing long time for drying in air, and it is the biggest difficult point in timely treatment and recycle of the fresh cow dung. The environmentally friendly recycle method comprises the following steps of mixing uniformly 4.100 to 4.500 parts by weight of fresh cow dung, 4.800 to 4.500 parts by weight of dry coal powder, and 1.100 to 1.000 parts by weight of a mixture of a deodorization adsorbent and a bonding reinforcing mixed agent, compacting the mixture obtained by the previous step by coal product processing equipment for molding, and carrying out a hardening process, wherein a product obtain by the hardening process is utilized as a civil fuel. The environmentally friendly recycle method has simple processes and good practical applicability, can treat fresh cow dung timely and efficiently, can reduce pollution and can improve the environment, and thus compared with the prior art, having real progress.

Description

The environmental protection that the bright ight soil of ox prepares domestic fuel utilizes method again
Technical field
The present invention relates to the excrement of animals processing technology field, the environmental protection that the bright ight soil of specifically a kind of ox prepares domestic fuel utilizes method again.
Background technology
Present improvement and scientific utilization cow dung just approach mainly contain three kinds; Promptly directly as agriculture prodn fertilizer (raising) material, biogas production or generating production, Edible Fungi matrix and bio-fertilizer raw material etc.; Factor is limit and these utilize approach again because the engineering construction costs such as increase, biogas and generating of season and way far away trucking costs are big and run cost are too high and singularity, the Edible Fungi of north of china in winter weather (temperature is very low) be small etc.; Make science again utilization ratio only be about 30%; Higher scale milk (meat) ox of the degree that particularly intensifies is cultured sub-district, pasture; Nourish and grow later stage and generative growth phase of plant materials in agriculture prodn, promptly the fertilizer demand is almost nil during summer and autumn, according to investigations; Present stage China's mass-producing of 80% milk (meat) ox plant (sub-district) lacks environmental improvement and comprehensive utilization facility and mechanism; Lack the investment of environmental improvement and comprehensive utilization of resources aspect, force the bright ight soil of milk (meat) ox of plant (sub-district) to take (to plough) in a large number the time, open pile is abandoned Ru Shan for a long time; Stink to high heaven, year in year out to underground, surface water resources with soil physico-chemical property constitutes a serious threat and polluted air reduces life entity living environment quality such as the mankind.According to the investigation of country ring mirror protection general bureau calendar year 2001 to the whole nation 23 provinces (autonomous region, municipality directly under the Central Government) scale animal and poultry cultivation pollution condition; Most of livestock and poultry farms in scale peripheries do not have enough arable lands to dissolve ight soil that livestock and poultry cultivation produces; The supporting arable land that plant unit standard livestock and poultry occupy does not reach the basic demand of 0.07 hectare (1 mu), occupies 0.02 hectare of the minimum less than in supporting arable land (0.3 mu).According to another investigation, the livestock and poultry farms in scale of China about 8%~10% is no more than 50m apart from the distance in domestic use of water seedbed, and the pollutant emission meeting in this scope produces directly influence to water surrounding; Livestock and poultry farms in scale about 25%~40% is no more than 150m apart from peripheral Residential areas or domestic use of water seedbed, to life and health formation grave danger of the masses near.
China such as North of North China zone, morphologic characteristics is complicated and changeable, and natural condition are abominable, and the soil is barren; Annual rainfall is few, and particularly winter is cold, underdeveloped; Be main mainly with agricultural, extensive cultivation, basic condition is poor; Poor, fuel source derives from sub product in the abundant agriculture prodn---agricultural crop straw in the daily life, is to replenish with part coal and derived prods, xylophyta deformed limb fallen leaves etc. simultaneously.Agricultural crop straw mainly contains corn straw; Broomcorn millet stalk, spring wheat stalk, naked oats (naked oats) stalk, flax (flax) stalk, millet stalk, soybean stalk, broomcorn straw, Semen Brassicae campestris stalk, a spot of rice straw etc., life such as peasant household's cooking in economics of underdevelopment district, heating is required in outlying, mountain area etc. is continuing to use traditional crop material biomass domestic fuel always.And that this biomass domestic fuel of crop material has a volume is big, deposits easy presence of fire, must take very large space during storage, more loaded down with trivial details antihygienic shortcoming when utilizing.
Because the local energy resources starting material lack, coal price is expensive, just has peasants and herdsmen to collect phytophage draught animal ight soil since ancient times; The seasoning ight soil of draft cattle particularly; Storage is with the usefulness as the required fuel of daily life such as crop material, and therefore, cow dung is a kind of biofuel.Yet the ox aquatic foods ight soil seasoning time is longer, and particularly breast is used and beef cattle apparently higher than labour with the first water content of the bright ight soil of milking cow; Up to more than 80%, required time will be longer during as if seasoning, and this also is that the bright ight soil of ox is effectively handled the maximum difficult point problem of utilizing again; Bright ight soil amount is quite big in addition the intensification ox is cultured the ox that produces every day; Not only need a large amount of places when utilizing seasoning to handle, and airing required time in heaps is quite long, only plays the effect of an utterly inadequate amount; Simultaneously, the pollution that in the natural drying process environment (soil, underground water source, atmosphere etc.) is caused increases the weight of to some extent; If adopt dewatered drying equipment to dry, not only cost increases morely, and the direct discharging of liquid dung of taking off fast and oven dry gas causes severe contamination harm more to environment, and drying treatment is the purpose that does not reach the environmental protection resource reutilization like this.Therefore, the bright ight soil of ox in time, the innovation of efficient, environmental protection treatment and resource reutilization novel method, to the health and the Sustainable development of the intensive industrial scale breed of ox, and build a harmonious society and have urgent and far-reaching important meaning.
Summary of the invention
The purpose of this invention is to provide the environmental protection that the bright ight soil of a kind of ox prepares domestic fuel and utilize method again, abandon the great realistic problem that causes environmental pollution to solve in the intensive mass-producing cattle-raising a large amount of heaps of the bright ight soil of ox.
The technical scheme of present technique invention may further comprise the steps: the preparation of the preparation of coal dust, deodorization absorbent and bonding enhancing mixture, raw materials mix, compression moulding, sclerosis warehouse-in;
A. the preparation of coal dust: be made up of bituminous coal and brown coal, the parts by weight of its metabituminous coal are 4.320~4.050 parts of (its fuel values >=22.6MJ/kg); The parts by weight of brown coal are 0.480~0.450 part, are ground into powdery through mineral breaker behind the mixing, and are for use;
B. the preparation of deodorization absorbent and bonding enhancing mixture: deodorization absorbent is made up of potassium permanganate and zeolite powder; Adhesiving reinforcing agent is made up of wilkinite and cement; Wherein the parts by weight of potassium permanganate are 0.041~0.045 part, and the parts by weight of zeolite powder are 0.205~0.225 part, and bentonitic parts by weight are 0.824~0.700 part, and the parts by weight of cement are 0.030 part; Four kinds of raw materials by weight portion than mixing, are processed deodorization absorbent and bonding enhancing mixture mixture, for use;
C. raw materials mix: 4.100~4.500 parts of the parts by weight of the bright ight soil of ox, 4.800~4.500 parts of the parts by weight of coal dust, 1.100~1.000 parts of the parts by weight of deodorization absorbent and bonding enhancing mixture mixture; Thorough mixing is even, and is for use;
D. compression moulding: with the mixture of above-mentioned C step, adopt cellular, spherical coal pressing machinery equipment, according to different object demands, processing becomes the work in-process of various type shapes;
E. sclerosis warehouse-in: with the work in-process of D step, through the natural air drying sclerosis, moisture content≤20% o'clock is collected the finished product warehouse-in.
Advantage of the present invention is:
1. the oxidation deodorization, absorption water absorbability of utilizing potassium permanganate, zeolite powder, wilkinite, cement, these materials of dry coal powder adsorbed the objectionable impurities of ability contaminated soil such as COD, BOD, ammonia nitrogen in the liquid dung in the bright ight soil of ox, the harmful dusty gas of volatility and the bright ight soil of ox and underground water source fully and fixed; Blocked the further corrupt decomposition of the bright ight soil of ox; Make the bright ight soil of ox convert the solid-state shape that has higher calorific value and be convenient to machine-shaping to, reached the environmental protection treatment purpose.
2. just in time, efficiently transform into the domestic fuel product of definite shape through simple and mechanical processing; Industrialization development can be satisfied different civilian even enterprise demands; Also, have all characteristics of commodity, be convenient to industrialization for society provides a kind of new people of containing certain biomass to use fuel.
3. littler than coal to the pollution of environment when the product burning of the present invention's formation utilizes, the fuel value>15.0MJ/kg of finished product is than the 1.38g/cm that weighs 3More than, the ash content after the burning also can be used as agricultural fertilizer to be continued to utilize.
4. the popularization and application of this method can prolong the industry chain (supply chain) of cattle-raising, significantly increases social economy's earning rate that ox is cultured, and promotes its healthy Sustainable development.
5. both overcome that crop material domestic fuel institute inherent volume is big, proportion is little, deposit take up room big, be prone to presence of fire, take a lot of work and antihygienic shortcoming when using, also eliminated the bright ight soil of ox carry out bio-feritlizer production, biogas or dehydrate after generate electricity or fodder prodn etc. is handled the huge drawback of approach initial stage one-time investment.
Embodiment
Embodiment 1
A. the preparation of coal dust: be made up of bituminous coal and brown coal, the parts by weight of its metabituminous coal are 4.320 parts, its fuel value>=22.6MJ/kg; The parts by weight of brown coal are 0.480 part, and feed coal water cut 5~8% is ground into powdery through mineral breaker behind the mixing, and fineness≤60 orders is for use;
B. the preparation of deodorization absorbent and bonding enhancing mixture: deodorization absorbent is made up of potassium permanganate and zeolite powder (>=100 order); Adhesiving reinforcing agent is made up of wilkinite and cement; Wherein the parts by weight of potassium permanganate are 0.041 part, and the parts by weight of zeolite powder are 0.205 part, and bentonitic parts by weight are 0.824 part; The parts by weight of cement are 0.030 part; Four kinds of raw materials by weight portion than mixing, are processed deodorization absorbent and bonding enhancing mixture mixture, for use;
C. raw materials mix: the parts by weight of the bright ight soil of ox are 4.100 parts, and the parts by weight of coal dust are 4.800 parts, 1.100 parts of the parts by weight of deodorization absorbent and bonding enhancing mixture mixture; Earlier coal dust, deodorization absorbent and bonding enhancing mixture are mixed, and then add the bright ight soil of ox, thorough mixing is even, and is for use;
D. compression moulding:, adopt honeycomb column (16 hole), block, the spherical coal pressing machinery equipment of honeycomb, pressure≤200.0kg/cm with the mixture of above-mentioned C step 3, processing becomes the work in-process of various type shapes;
E. sclerosis is put in storage; With the work in-process of D step, through natural air drying sclerosis, moisture content≤20% o'clock is collected the finished product warehouse-in.
Embodiment 2
A. the preparation of coal dust: be made up of bituminous coal and brown coal, the parts by weight of its metabituminous coal are 4.050 parts, its fuel value>=22.6MJ/kg; The parts by weight of brown coal are 0.450 part, and the feed coal water cut requires 5~8%, is ground into powdery through mineral breaker behind the mixing, and fineness≤60 orders is for use;
B. the preparation of deodorization absorbent and bonding enhancing mixture: deodorization absorbent is made up of potassium permanganate and zeolite powder (>=100 order); Adhesiving reinforcing agent is made up of wilkinite and cement; Wherein the parts by weight of potassium permanganate are 0.045 part; The parts by weight of zeolite powder are 0.225 part; Bentonitic parts by weight are 0.700 part, and the parts by weight of cement are 0.030 part, and four kinds of raw materials by weight portion ratios are mixed; Process deodorization absorbent and bonding enhancing mixture blend mixture, for use;
C. raw materials mix: the parts by weight of the bright ight soil of ox are 4.500 parts, and the parts by weight of coal dust are 4.500 parts, 1.000 parts of the parts by weight of deodorization absorbent and bonding enhancing mixture mixture; Earlier coal dust, deodorization absorbent and bonding enhancing mixture are mixed, and then add the bright ight soil of ox, thorough mixing is even, and is for use;
D. compression moulding:, adopt honeycomb column (16 hole), block, the spherical coal pressing machinery equipment of honeycomb, pressure≤200.0kg/cm with the mixture of above-mentioned C step 3, processing becomes the work in-process of various type shapes;
E. sclerosis is put in storage; With the work in-process of D step, through natural air drying sclerosis, moisture content≤20% o'clock is collected and the finished product warehouse-in.
Embodiment 3
A. the preparation of coal dust: be made up of bituminous coal and brown coal, the parts by weight of its metabituminous coal are 4.200 parts, its fuel value>=23MJ/kg; The parts by weight of brown coal are 0.465 part, and the feed coal water cut requires 5~8%, is ground into powdery through mineral breaker behind the mixing, and fineness≤60 orders is for use;
B. the preparation of deodorization absorbent and bonding enhancing mixture: deodorization absorbent is made up of potassium permanganate and zeolite powder (>=100 order); Adhesiving reinforcing agent is made up of wilkinite and cement; Wherein the parts by weight of potassium permanganate are 0.043 part, and the parts by weight of zeolite powder are 0.215 part, and bentonitic parts by weight are 0.76 part; The parts by weight of cement are 0.030 part; Four kinds of raw materials by weight portion than mixing, are processed deodorization absorbent and bonding enhancing mixture mixture, for use;
C. raw materials mix: the parts by weight of the bright ight soil of ox are 4.250 parts, and the parts by weight of coal dust are 4.700 parts, 1.050 parts of the parts by weight of deodorization absorbent and bonding enhancing mixture mixture; Earlier coal dust, deodorization absorbent and bonding enhancing mixture are mixed, and then add the bright ight soil of ox, thorough mixing is even, and is for use;
D. compression moulding:, adopt honeycomb column (16 hole), block, the spherical coal pressing machinery equipment of honeycomb, pressure≤200.0kg/cm with the mixture of above-mentioned C step 3, processing becomes the work in-process of various type shapes;
E. sclerosis is put in storage; With the work in-process of D step, through natural air drying sclerosis, moisture content≤20% o'clock is collected the finished product warehouse-in.
Obviously, the above embodiment of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to embodiment of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here can't give exhaustive to all embodiments.Everyly belong to the row that conspicuous variation that technical scheme of the present invention extends out or change still are in protection scope of the present invention.

Claims (5)

1. the environmental protection for preparing domestic fuel of the bright ight soil of an ox utilizes method again, it is characterized in that may further comprise the steps:
The preparation of the preparation of coal dust, deodorization absorbent and bonding enhancing mixture, raw materials mix, compression moulding, sclerosis warehouse-in;
The preparation of coal dust: be made up of bituminous coal and brown coal, the parts by weight of its metabituminous coal are 4.320~4.050 parts; The parts by weight of brown coal are 0.480~0.450 part, are ground into powdery through mineral breaker behind the mixing, and are for use;
B. the preparation of deodorization absorbent and bonding enhancing mixture: deodorization absorbent is made up of potassium permanganate and zeolite powder; Adhesiving reinforcing agent is made up of wilkinite and cement; Wherein the parts by weight of potassium permanganate are 0.041~0.045 part, and the parts by weight of zeolite powder are 0.205~0.225 part; Bentonitic parts by weight are 0.824~0.700 part, and the parts by weight of cement are 0.030 part; Four kinds of raw materials by weight portion than mixing, are processed deodorization absorbent and bonding enhancing mixture mixture, for use;
C. raw materials mix: the parts by weight of the bright ight soil of ox are 4.100~4.500 parts, and the parts by weight of coal dust are 4.800~4.500 parts, and the parts by weight of deodorization absorbent and bonding enhancing mixture mixture are 1.100~1.000 parts, and thorough mixing is even, and is for use;
D. compression moulding: with the mixture of above-mentioned C step, adopt cellular, spherical coal pressing machinery equipment, according to different object demands, processing becomes the work in-process of various type shapes;
E. sclerosis is put in storage; With the work in-process of D step, through natural air drying sclerosis, moisture content≤20% o'clock is collected the finished product warehouse-in.
2. the environmental protection that the bright ight soil of a kind of ox as claimed in claim 1 prepares domestic fuel utilizes method again, it is characterized in that coal dust water cut 5~8%, fineness >=60 orders.
3. the environmental protection that the bright ight soil of a kind of ox as claimed in claim 1 prepares domestic fuel utilizes method again, it is characterized in that described potassium permanganate and zeolite powder granularity>=100 orders .
4. the environmental protection that the bright ight soil of a kind of ox as claimed in claim 1 prepares domestic fuel utilizes method again, when it is characterized in that described compression moulding, and its pressure≤200.0kg/cm 3
5. the environmental protection that the bright ight soil of a kind of ox as claimed in claim 1 prepares domestic fuel utilizes method again, it is characterized in that earlier coal dust, deodorization absorbent and bonding enhancing mixture being mixed in the C step, and then adds the bright ight soil of ox.
CN201110250310A 2011-08-29 2011-08-29 Environmentally friendly recycle method for preparing civil fuel from fresh cow dung Pending CN102311828A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110250310A CN102311828A (en) 2011-08-29 2011-08-29 Environmentally friendly recycle method for preparing civil fuel from fresh cow dung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110250310A CN102311828A (en) 2011-08-29 2011-08-29 Environmentally friendly recycle method for preparing civil fuel from fresh cow dung

Publications (1)

Publication Number Publication Date
CN102311828A true CN102311828A (en) 2012-01-11

Family

ID=45425402

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110250310A Pending CN102311828A (en) 2011-08-29 2011-08-29 Environmentally friendly recycle method for preparing civil fuel from fresh cow dung

Country Status (1)

Country Link
CN (1) CN102311828A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104212504A (en) * 2014-08-29 2014-12-17 西安文理学院 Biomass water-coal-slurry prepared by using livestock breeding wastes
CN106103666A (en) * 2014-03-11 2016-11-09 现代制铁株式会社 The method preparing the pig iron for the fine coal comprising cattle manure and this fine coal of use of pig iron refining

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1273268A (en) * 1999-05-07 2000-11-15 王智丽 Sulfur-fixating combustion-promoting adhesive for briquettes
CN1990221A (en) * 2005-12-26 2007-07-04 张万泰 Processing method and apparatus for cattle manure

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1273268A (en) * 1999-05-07 2000-11-15 王智丽 Sulfur-fixating combustion-promoting adhesive for briquettes
CN1990221A (en) * 2005-12-26 2007-07-04 张万泰 Processing method and apparatus for cattle manure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106103666A (en) * 2014-03-11 2016-11-09 现代制铁株式会社 The method preparing the pig iron for the fine coal comprising cattle manure and this fine coal of use of pig iron refining
CN104212504A (en) * 2014-08-29 2014-12-17 西安文理学院 Biomass water-coal-slurry prepared by using livestock breeding wastes

Similar Documents

Publication Publication Date Title
CN103086755B (en) Melon/vegetable seedling raising organic compound substrate prepared from vinasse and production method thereof
CN103214315B (en) Greening matrix containing quarry mucks, animal manures, straws and charcoal powder and preparation method thereof
CN100569903C (en) A kind of agent for soil expansion and increment and production method thereof of maize straw preparation
CN102875227B (en) Lightweight ecological nutrient soil for roof greening and method for preparing lightweight ecological nutrient soil
CN103992150B (en) A kind of utilize vinasse to prepare melon raise seedling organic composite substratd and production method
CN105294318B (en) A method of machine transplanting of rice rice seedling raising ground substance is produced using sewage treatment plants anaerobic pond kind mud fermentation of biomass
CN109796268A (en) A kind of dedicated seedling medium of muskmelon and preparation method
CN104973894A (en) Manufacturing method of non-ground stereo greening organic composite substrate
CN102173890A (en) Refined bioorganic fertilizer
CN105367205B (en) A kind of compound cotton seedling medium and preparation method
CN103641542A (en) Vegetable culture substrate and preparation method thereof
CN105777326A (en) Method for producing rice seedling cultivation matrix through earthworm conversion of cow dung
CN105638399A (en) Functional type soilless culture substrate using mushroom dreg and biogas residue as raw material
CN101696140B (en) Wheat special soil stock amplification and capacity increase fertilizer produced by mixed straw and preparation method thereof
CN105000922A (en) Non-ground three-dimensional afforesting organic composite substrate
CN102674917A (en) Multifunctional soil maturing agent and preparation method thereof
CN104086243A (en) Vegetable seedling-growing matrix and preparation method thereof
CN109554206A (en) The preparation method of bio-fuel is made in a kind of animal wastes
CN103183533A (en) High-efficiency bio-organic fertilizer ZF-30 and preparation method thereof
CN105622213A (en) Low cost vegetable seedling substrate and preparation method thereof
CN104130086A (en) Cultivation substrate suitable for high-rise green plant and manufacturing method thereof
CN102311828A (en) Environmentally friendly recycle method for preparing civil fuel from fresh cow dung
KR101165154B1 (en) Microbial fertilizer for soil improvement using bottom ash carrier
CN106631239A (en) A process of producing an organic fertilizer and machine-made charcoal by utilizing eggplant fruit type vegetable waste
CN104745263B (en) A kind of preparation method of biomass molding fuel coproduction high humic acid organic fertilizer

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120111