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Method for production of peat-grains compost

IPC classes for russian patent Method for production of peat-grains compost (RU 2296732):
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Method involves delivering manure into apparatus for removal of manure from animal house through main manure pipeline wherein distributing gate is positioned for directing manure through one of manure ducts toward hill. Manure is directed through manure duct bend from the bottom to the top and is poured circumferentially of hill base. Hill is grown with solid fraction from the top without disturbing of top layer. After the hill is filled with manure, it is directed by means of gate toward other manure duct to form another hill.

FIELD: biotechnology, in particular production of environmentally friendly peat-grains compost.

SUBSTANCE: claimed method includes blending of beer grains with peat in ratio of 1:1 or 1:2 followed bioactivator introducing and aerobic composting at 20-60°C and humidity of 65-70 % for 2-3 months. Compost ferment prepared by culturing of microorganism consortium, isolated from humified humous forest soil layers and containing fungi Aspergillus niger, Aspergillus oryzae, Aspergillus sydowii, Cephalosporium, Glyocladium Cda., Trichoderma sp., actinomycetes Streptomyces griseus, Streptomyces termoviolaceus, Streptomyces globisporus, Streptomyces rubber, Streptomyces viridosporus and bacteria Bacillus cereus, Bacillus mycoides, Bacillus sublilis, in amount of 15 % or more based on composing mixture mass on beer grains is used as bioactivator.

EFFECT: accelerated fermentation and composting processes; compost of increased quality.

3 tbl, 2 ex

 

The invention relates to the biotechnology industry, in particular to the production of organic compost on the basis of waste brewing beer pellet using stimulant composting in the form of a consortium of microorganisms.

A known method of producing compost by mixing waste poultry and livestock farms with moisture-absorbing materials, such as lignin in combination with straw, sawdust, peat and subsequent solid-phase fermentation at a temperature of 20-70°With the mixture for 5-7 days with the use of stimulant composting in the form of a consortium-based thermotolerant and thermophilic bacteria Bacillus subtilis, Clostridium butyricum, Micrococcus urea and fungus Sporotrichum pruinosum entered in the form of an aqueous suspension of cells or in the form of a dry powder in a concentration of 0.05-0.1% biomass by weight compostable mixture (see patent RU No. 2197453, IPC7C 07 F 11/08).

The disadvantages of this method is to obtain compost with low fertilizer and soil-improving properties due to the absence of microorganisms stimulator composting of ligninases microorganisms, which leads to the production of compost that is not fully Mature, containing half-decayed remains of vegetable origin. This compost can induce the growth and reproduction phytopathogen the x fungi and bacteria, and the products of its half-life in the form of organic acids can have a negative impact on the growth and development of plants.

The closest way to claimed is a method of composting, comprising mixing organic waste (litter) with shredded moisture-absorbing organic material (peat, sawdust) with the introduction of bioactivator in the form of a microbial composition comprising calculatorcredit, nitrogen-fixing and stimulating the growth of plants, microorganisms and aerobic composting mixture (see patent RU No. 2230721, IPC7C 05 F 3/00, 11/08).

The disadvantage of this method is the selection of microorganisms without taking into account the temperature gradient activity of microorganisms, as used in the method thermotolerant micronized - Monoascus rubber is active only at a certain temperature, which slows down the fermentation process.

The invention is industrially obtaining compost high agrochemical values based on the tonnage of waste brewing beer grain.

The technical result of the claimed technical solution is to increase the intensity of the processes of fermentation and composting and improving the quality of compost.

The technical result is achieved in that in the method of preparation torpedoing compost, including smeshivanie waste humic-containing component with the introduction of bioactivator and subsequent aerobic composting mixture, as waste use of nitrogenous waste in the form of brewer's grains, as humic-containing component - peat, taken in the ratio of 1:1 or 1:2, as bioactivator use compost starter, prepared according to patent 2213080 taken in not less than 15% by weight of compostable mixture, and the mixture of compost at a temperature of 20-60°C and humidity of 65-70% in 2-3 months.

Preparation of compost by adding to the compost mixture bioactivator containing a consortium of micro-organisms from fungi, actinomycetes and bacteria isolated from well-humified humus layer of forest soils in accordance with the pattern of successional change the dominant microbial complexes-destructors in accordance with the sequence of changes of temperature and material composition of composted components and cultivated at the beer mash and use as feedstock compost, this beer pellet - waste brewery, which serves as a complete source of nutrition for growth and reproduction of many organotrophic organisms and, in the first place, mushrooms, participating in the initial stage of decomposition of organic residues and the preparation conditions for the growth of other groups of microorganisms responsible for the subsequent processes of transformation of substances. This PR which leads to the activation of a complex of beneficial microorganisms, intensive oxidation of organic compounds compostable mixture and the accumulation of humus substances in it, i.e. accelerates the process of fermentation and composting to produce high-quality compost with high fertilizer properties due to the presence of mineral and humic substances and soil-improving properties due to the presence of peat humic substances that stimulate the development of all soil microorganisms - fungi, bacteria and actinomycetes.

Torpedoing compost is prepared as follows.

Peat as a humic-containing component selected from the upper layer of the fens, are mixed in a ratio of 1:1 or 1:2 with nitrogen-containing waste - beer mash (waste brewing) and make a bioactivator in the form of compost starter culture prepared according to patent No. 2213080 way of cultivation on the beer mash consortium of micro-organisms of the fungi Aspergillus niger, Aspergillus oryzae, Aspergillus sydowii, Cephalosporium, Glyocladium Cda., Trichoderma sp., actinomycetes Streptomyces griseus, Streptomyces ter-moviolaceus, Streptomyces globisporus, Streptomyces ruber, Streptomyces viridosporus and bacteria Bacillus cereus, Bacillus mycoides, Bacillus subtilis. Compost starter contribute at least 15% by weight of compostable mixture with moisture compost mixture and of the leaven of 65-70%. Composting is conducted in open areas, maintaining the humidity of 65-70%. After 2-3 days the od action of a compost starter begins active exothermic reaction (temperature of the mixture increased to 50-55° C and above) as a result of intensive oxidation of organic compounds and accumulation of humus substances and complex of beneficial microorganisms. Composting mixture is carried out in 2-3 months, with periodic 1 time within 7-10 days, stirring it for aeration, the temperature of the mixture is gradually reduced to the level of the environment.

Example 1.

In laboratory conditions, peat 5 kg mixed in the tank with 5 kg of spent grains (ratio 1:1) and made a bioactivator - compost starter in the amount of 15% by weight of compostable mixture of 1.5 kg humidity of 65-70%. After 2-3 days there was an increase in the temperature of the mixture up to 40-50°C and above. The composting mixture was carried out for 2 months under stirring 2-3 times a week for aeration of the substrate. At the end of the composting conducted chemical analyses showed (see table 1)that in the process of fermentation of the compost mixture has undergone significant changes: decreased carbon content with increasing amount of nitrogen, which is reflected in a decrease in the ratio C/N. the pH Value increased to the level of neutral environment, which is explained by the action of ammonium nitrogen, cumulative process of decomposition of protein substances in the beer mash and characterized by an alkaline reaction. Significantly increased cation-exchange capacity, which is one of the and the of Doctorow quality and maturity of the compost mass.

Table 1
Feature compostable raw materials and compost
Compostable materials water pH Content,% Content,% C/N Cation-exchange capacity, mEq/100 g
Feature compostable raw materials
Peat 5,14 42,30 2,24 18,9 19,8
Grain fresh 6,85 39,10 3,19 12,25 -
Characterization of compost
After 2 months.
composting:
A mixture of peat : grains =1:1 7,08 41,02 4,11 9,98 42
A mixture of peat : grains =1:2 7,13 of 45.7 to 4.52 10,11 46

In the composting process was observed active humification, and a higher content Gumi the OIC acid compared to fulvic acids indicates sufficient maturity of compost (see table 2).

Table 2
The content of humic compounds (With gum., % to total (C)
Compost Total The sum of the fractions of humic acids (ha) The sum of the fractions of fulvic acids (FA) GK+FC SC/FC
From peat:
the pellets 24,95 9,88 5,20 15,08 1,9
=1:1
From peat:
the pellets 42,30 15,85 10,75 6,60 1,47
=1:2

Example 2.

Peat 5 kg mixed in a container with 10 kg of spent grains (ratio 1:2) and made a compost starter in the amount of 15% by weight of compostable mixture of 2.25 kg at a relative humidity of 65-70%. The composting mixture was carried out similarly to example 1 within 2 months of the EB with periodic stirring. It is noted in comparison with the raw material (see table 1) increasing the amount of nitrogen in a form more accessible to plants, increasing the pH to the level of neutral environment, the growth of the cation-exchange capacity, which is one indicator of the quality and maturity of the compost mass.

Comparison of agrochemical characteristics stated torpedoing compost with various kinds of known composts (see table 3) showed that the proposed peat-drabiny compost than the known content of nitrogen, phosphorus and potassium and slightly inferior only to vermicompost on the content of potassium and vermicompost on the amount of nitrogen.

Table 3
Agrochemical characteristics of different types of compost
Types of composts Nitrogen, % Phosphorus, % Potassium, %
Declare torpedoing 1,4 1,0 0,6
Erroneosly from slabogazirovannyh peat and pig manure 0,8 0,2 0,1
Vermicompost of cow manure 0,8 0,40 0,75
Vermicompost obtained by cultivation of an earthworm waste fish 1,5 0,53 0,41

Way that provides expedited delivery of clean compost high agrochemical values based on the deviation of brewing, will find wide industrial application.

The method of preparation torpedoing compost, comprising mixing the waste with humic-containing component with the introduction of bioactivator and subsequent aerobic composting mixture, characterized in that the waste used as nitrogenous waste in the form of brewer's grains, as humic-containing component - peat, taken in the ratio of 1:1 or 1:2, as bioactivator use compost starter, prepared by the method of cultivation at the beer mash consortium of microorganisms isolated from well-humified humus layer of forest soils, consisting of Aspergillus niger, Aspergillus oryzae, Aspergillus sydowii, Cephalosporium, Glyocladium Cda., Trichoderma sp., actinomycetes Streptomyces griseus, Streptomyces termoviolaceus, Streptomyces globisporus, Streptomyces ruber, Streptomyces viridosporus and bacteria Bacillus cereus. Bacillus mycoides. Bacillus subtilis, taken in an amount not less than 15% by weight of compostable mixture, and the mixture of compost at a temperature of 20-60°C and humidity of 65-70% in 2-3 months.

 

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