WO2022162598A1 - Process and mulch of food waste 30 to 45% organic matter: mulch of food waste type two - Google Patents

Process and mulch of food waste 30 to 45% organic matter: mulch of food waste type two Download PDF

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Publication number
WO2022162598A1
WO2022162598A1 PCT/IB2022/050748 IB2022050748W WO2022162598A1 WO 2022162598 A1 WO2022162598 A1 WO 2022162598A1 IB 2022050748 W IB2022050748 W IB 2022050748W WO 2022162598 A1 WO2022162598 A1 WO 2022162598A1
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WIPO (PCT)
Prior art keywords
mulch
soil
food waste
organic matter
clay
Prior art date
Application number
PCT/IB2022/050748
Other languages
French (fr)
Inventor
Mahdi HAJHOSSEINI
Original Assignee
Hajhosseini Mahdi
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 Hajhosseini Mahdi filed Critical Hajhosseini Mahdi
Publication of WO2022162598A1 publication Critical patent/WO2022162598A1/en

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01PBIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
    • A01P21/00Plant growth regulators
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N63/00Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
    • A01N63/20Bacteria; Substances produced thereby or obtained therefrom
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N63/00Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
    • A01N63/30Microbial fungi; Substances produced thereby or obtained therefrom
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless

Definitions

  • This invention belongs to the group of human needs and food waste and the group of agriculture and natural resources in code A and physical and chemical processes in code B, C. ⁇ A23-A01B-A01- B02B-B09-B99- C05F-C99 ⁇
  • Petroleum mulches, petrochemical polymers and mineral nanoparticles can increase the ecological risk and the occurrence of pollutants and toxic and heavy elements in the soil of the receiving areas and cause soil pollution. These materials, while creating soil pollution, have not economic justification. Also, the use of polymer mulches and nanoparticles due to the dispersion of particles less than ten microns in dust storms can cause more air pollution with these particles because these particles have potential chemical properties and if they penetrate the respiratory system due to the small size of the ability They enter the respiratory system and its tissue. The use of gum mulches and plant extracts does not seem to be very practical due to the lack of water resources and the possibility of using them in other industries.

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  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Plant Pathology (AREA)
  • Wood Science & Technology (AREA)
  • Pest Control & Pesticides (AREA)
  • Environmental Sciences (AREA)
  • Virology (AREA)
  • Dentistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Biotechnology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Botany (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mycology (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

Due to climate change and long-term droughts and lack of suitable vegetation in desert areas, the soils of these areas are prone to rising and creating dust and fine dust due to their fineness. In this invention, mulch is produced from food waste during an industrial process. This mulch has been introduced with the aim of stabilizing the soil and increasing soil fertility and solving the problem of food waste management in urban communities. This mulch, while improving the adhesion of fine soil particles to each other, also increases soil nutrients and causes the growth of vegetation and increase soil fertility, and also prevents soil erosion, and in the long run, this substance becomes aggregate and soil. The produced mulch helps to produce soil while preventing erosion and helps to absorb and retain soil moisture and does not pose a danger to organisms and plants.

Description

Process and mulch of food waste 30 to 45% Organic matter: Mulch of food waste type two
Process and mulch of food waste 30 to 45% Organic matter: Mulch of food waste type two
This invention belongs to the group of human needs and food waste and the group of agriculture and natural resources in code A and physical and chemical processes in code B, C. {A23-A01B-A01- B02B-B09-B99- C05F-C99}
In this invention, in order to compensate for the reduction of climate change and counteract its effects while reusing food waste and in order to recover resources and prevent the development of desert areas, food waste is converted to mulch in this process. Food waste is present in all areas where humans live and is considered part of municipal waste, so access to raw materials is easy to access, and on the other hand, using this waste and turning it into mulch can reduce the harmful effects. This mulch can stabilize fine-grained soils and quick sands and increase soil organic matter and soil nutrients and also reduce Also produce greenhouse gases and carbon sequestration
Climate change causes the development of desert areas and the destruction of vegetation. On the other hand, the development of desert areas along with town areas and climate change and increasing drought period cause soil erosion in desert areas and increase dust and fine dust control Mulch is used .
Various mulches have been proposed in recent years to stabilize the soil in these lands of the country. The use of petrochemical mulches and petrochemical resins and minerals as mulch has developed in recent years.
Petroleum mulches, petrochemical polymers and mineral nanoparticles can increase the ecological risk and the occurrence of pollutants and toxic and heavy elements in the soil of the receiving areas and cause soil pollution. These materials, while creating soil pollution, have not economic justification.
Also, the use of polymer mulches and nanoparticles due to the dispersion of particles less than ten microns in dust storms can cause more air pollution with these particles because these particles have potential chemical properties and if they penetrate the respiratory system due to the small size of the ability They enter the respiratory system and its tissue.
The use of gum mulches and plant extracts does not seem to be very practical due to the lack of water resources and the possibility of using them in other industries.
In this invention, in order to deal with climate change and reuse food waste and recover resources and prevent the development of desert areas, in this process food waste is converted into mulch. Food waste is present in all areas where humans live and is part of the municipal waste, so access to raw materials is easy to access. On the other hand, using this waste and turning it into mulch can reduce air pollution and water and soil resources by preventing the burial of this waste in urban landfills.
It also affects the sustainable development of urban areas and desertification in arid areas. Mulch can stabilize fine-grained soils and quick sands and increase soil organic matter and minerals. Stabilization of food waste mulch in the form of a complex of clay and organic matter and placement on dry soil of desert areas that are exposed to sunlight and ultraviolet ray s dries quickly. Drying speed and lack of moisture drastically reduces the metabolic activity and gas exchange of microorganisms of the clay and organic matter complex. Therefore, the potential for greenhouse gas emissions of food waste mulch is greatly reduced compared to other food waste disposal processes such as compost and landfilling
1. Provide an environmentally friendly process for the production of mulch Unlike petroleum mulch, which is not environmentally friendly, food waste mulch is not composed of petroleum products. It does not increase the soil surface temperature and does not create an active adhesive layer on the soil surface that endangers the life of soil organisms.
2- Mulch of food waste simultaneously stabilizes the soil and carbon sequestration (organic increase of carbon in the soil) and reduces the production of greenhouse gases in the atmosphere. Therefore, it has a tangible advantage over other existing mulches. Unlike existing mulches, which only cause hardening and cementing of the soil surface, this mulch increases soil fertility and increases macro and micro elements in accepting soils.
3- In this process, unlike conventional waste disposal methods, no leachate is produced and the waste leachate is dry fully used
4- Production of mulch from food waste is a method of integrated waste management in urban communities that causes no leachate production in the process and reduces municipal waste leachate, reduces municipal waste disposal and achieves the ideal criteria of zero waste. Providing a process that reduces waste landfill, so unlike other methods of mulching is not a single purpose but has multiple purposes.
5- It is possible to sow the soil with mulching in the receiving soils in suitable seasons. In oil mulch and other mulches, this is not possible.
6- The possibility of seed germination in mulched soils and the durability and long life of mulch are the advantages of this mulch.
7- This mulch causes the production of granular soil and does not cause a polluting effect in the receiving soils, unlike oil mulch, which while evaporating causes air pollution and secondary soil pollution.
8- Mulch of food waste causes soil organic matter horizon in desert and dry areas in the surface layer of soil (five centimeters of soil surface).Provides quantitative and qualitative protection of the soil
9- Reducing water consumption compared to other mulches and increasing soil surface moisture-
10-Food waste mulch does not burn the hands and body of workers and also does not burn leaves, plants and animals and does not threaten their lives.
11- The solvent of this mulch is water and the surfaces contaminated with mulch are easily cleaned by water
12. This mulch reduces the surface moisture of the soil while creating an insulating layer on the soil surface
13- Food waste mulch creates a shelter under the surface layer for soil organisms and organisms and maintains and promotes the relationship between hunting and fishing
In this process, 30 to 45% by weight of food waste after collection and separation enters the shredder (1) and becomes 1to2 centimeter. In the second stage, the sieve (2) is passed for uniformity, and in the third stage, the sensor (3) measures and controls the acidity of the product, and then the weighing material (4) is stored in the tank (5). ). In the fourth stage, 30 to 40% by weight of clay agglomerates enters the mill (6), sieve (7) and weight (4), and in the fifth stage, waste and clay enter the mixing tank (8) with water. The resulting mixture is mixed for 5 hours and homogenized. At this stage, mulch enters the physicochemical process that plays a major role in the formation of the clay-organic complex and then enters the reservoir at a constant temperature (9).
At this stage, mulch enters the microbial process and their microbial consortium produces extracellular polysaccharides. Therefore, the resulting complex is kept at a constant temperature for8 hours so that the organic matter produces maximum EPS by the microbial consortium. To achieve the maximum concentration of EPS on the surface of the clay and organic matter complex, mulch is stirred again for two hours and mixing is performed. After the above steps, the process of forming a complex of clay and organic matter is completed and food waste mulch is formed with a ratio of 30 to 45% of organic matter. What is claimed to be an industrial and environmentally friendly process designed to process food waste.
Diagram Description XRD Crystal structure of food waste mulch with 30 to 45% organic matter
Industrial application in food waste management in urban areas
Soil stabilization and carbon sequestration in areas under wind erosion in an industrial and sustainable manner
An innovative and industrial way to reduce greenhouse gas emissions by converting food waste into mulch
Fertilizer production of food waste
An innovative and industrial way to achieve zero food waste leachate

Claims (6)

  1. In this process, 30 to 45% by weight of food waste after collection and separation enters the shredder (1) and becomes 1to2 centimeter. In the second stage, the sieve (2) is passed for uniformity, and in the third stage, the sensor (3) measures and controls the acidity of the product, and then the weighing material (4) is stored in the tank (5). In the fourth stage, 30 to 40% by weight of clay agglomerates enters the mill (6), sieve (7) and weight (4), and in the fifth stage, waste and clay enter the mixing tank (8) with water. The resulting mixture is mixed for 5 hours and homogenized. At this stage, mulch enters the physicochemical process that plays a major role in the formation of the clay-organic complex and then enters the reservoir at a constant temperature (9). At this stage, mulch enters the microbial process and their microbial consortium produces extracellular polysaccharides. Therefore, the resulting complex is kept at a constant temperature for8 hours so that the organic matter produces maximum EPS by the microbial consortium. To achieve the maximum concentration of EPS on the surface of the clay and organic matter complex, mulch is stirred again for two hours and mixing is performed. After the above steps, the process of forming a complex of clay and organic matter is completed and food waste mulch is formed with a ratio of 30 to 45% of organic matter. What is claimed to be an industrial and environmentally friendly process designed to process food waste.
  2. The complex of clay and organic matter of claim 1 is produced by the production of Extracellular polymeric substance (EPS) causing fine soil particles to adhere together, producing stable aggregates and preventing soil erosion. as well as Produces and protects Yeast and Plant Growth-Promoting Fungi (PGPF) and Plant Growth-Promoting Bacteria (PGPB)
  3. In the process of claim 1, one kilogram of food waste stabilizes the soil and carbon sequestration and increases organic and mineral matter in two square meters of desert soil.
  4. Mulch in claim 1, the combination of organic matter and clay on the soil desert surface absorbs the greenhouse gases produced by the microbial metabolism process, thus the mulch reduces the emission potential of the greenhouse gases.
  5. The complex of organic matter and clay claim 1 is produced in less than 24 hours and does not require heat treatment and aeration.
  6. The complex of clay and organic matter in claim 1, by creating a biological crust on the surface of the desert soil, increases the organic matter of the surface soil by 20 to 30% and the leachate of food waste is reduced to zero. The produced biological crust increases the resistance of surface soil in desert areas under wind erosion. At the end of the mulch life, and with the physical failure, the soil aggregate mulch is produced.
PCT/IB2022/050748 2021-01-30 2022-01-28 Process and mulch of food waste 30 to 45% organic matter: mulch of food waste type two WO2022162598A1 (en)

Applications Claiming Priority (2)

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IR13993009671 2021-01-30
IR139950140003009671 2021-01-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115385761A (en) * 2022-09-13 2022-11-25 吉林省农业科学院 Water-retention and water-saving artificial biological crust preparation method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101692777B (en) * 2009-10-16 2011-06-01 东北农业大学 Plant fiber mulching film and manufacture method thereof
KR101295477B1 (en) * 2011-08-24 2013-08-09 김명숙 Composting apparatus and method of organic waste

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101692777B (en) * 2009-10-16 2011-06-01 东北农业大学 Plant fiber mulching film and manufacture method thereof
KR101295477B1 (en) * 2011-08-24 2013-08-09 김명숙 Composting apparatus and method of organic waste

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ONER ET AL.: "Microbial production of extracellular polysaccharides from biomass", PRETREATMENT TECHNIQUES FOR BIOFUELS AND BIOREFINERIES, 2013, Berlin, Heidelberg, pages 35 - 56 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115385761A (en) * 2022-09-13 2022-11-25 吉林省农业科学院 Water-retention and water-saving artificial biological crust preparation method
CN115385761B (en) * 2022-09-13 2023-11-24 吉林省农业科学院(中国农业科技东北创新中心) Preparation method of water-retaining and water-saving artificial biological crust

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