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Resource Recycling—Low Temperature Carbonization Technology
For domestic waste, landfill waste, petrochemical sludge, medical waste, municipal sludge, waste rubber tires and other fields, realize the full resource recycling and reuse technical solutions for solid waste.
Category:
Resource Recycling.
Technology Center
Keywords:
Phone:13793500007
Email:qxf@nthbkj.com
Low Temperature Carbonization Technology of Organic Solid Waste
● The thermal instability of organic solid waste at low temperature and oxygen-free (oxygen-free) heating is used to realize the “three-chemical” treatment of organic solid waste.

Temperature Carbonization Technology
The pyrolysis and carbonization technology and equipment of organic solid waste accurately divides the complete incineration process originally carried out in a furnace into three reactions (drying + pyrolysis + combustion) and enters different reactors separately. Since the solid material does not participate in the combustion, only the combustible oil and gas generated in the carbonization of organic solid waste is burned, which realizes the high efficiency and environmental protection of the reaction.
Technical Characteristics

Do not require pre-sorting and classification
Raw domestic waste can be directly disposed without large amount of manpower for sorting and classification. It requires very little heat value for the disposal of the garbage.

No additional fuel is required during the disposal process.
The disposal process can achieve the carbonization of garbage solely based on the inherent heat of the garbage, without the need to add additional fuels such as coal or natural gas.

The disposal products can achieve approaching100% resource utilization.
The carbonization of organic waste produces charcoal powder and combustible gas. The charcoal powder has various uses, and the combustible gas can power equipment and the excess heat can be reused. The output of inorganic waste is intelligently sorted into metals, glass products, and sand and stone materials.

Environmental emissions easily meet standards.
The carbonization reaction takes place in an non-oxygen environment, generating very little harmful and toxic substances. The content of dioxins is only 1/10 or even less of that in traditional waste burning, and it can achieve environmental protection compliance emissions at a very low cost.

Better stability and security.
This technical solution is currently the only carbonization method available both domestically and internationally that can achieve large-scale production, continuous and stable engineering operation, and is highly irreplaceable.
Technology Development Trends

① 1.0 Technical representative:Landfill technology is a typical representative.It is impossible to effectively reduce and harmless organic solid waste, waste land resources, pollute a lot of soil and groundwater, and cannot realize resource utilization.
② 2.0 Technical representative:It is represented by various incineration technologies, such as waste incineration power generation technology, medical waste incineration technology, etc.Incineration will cause organic matter to synthesize a large number of complex oxides at high temperatures, and the emission of metal fly ash and dioxin cannot be avoided.
③ 3.0 Technical representative:The heat treatment technology represented by the initial application of pyrolysis such as high-temperature pyrolysis, pyrolysis and gasification, and the biological technology represented by biodegradable have common disadvantages: the processing capacity is low, energy replenishment or supplementary raw materials are required, it is difficult to achieve large-scale reduction, harmless and resource-based, and continuous engineering cannot be achieved at present.
④ 4.0 Technical representative:It is typified by low-temperature carbonization technology.Outstanding features: The treatment capacity can be large or small (daily treatment capacity is 50-1000 tons/day), the calorific value of organic waste is lower, and the unsorted domestic waste and landfill waste with lower calorific value can be treated. No auxiliary energy is required during the disposal process; the product can be basically fully utilized, achieving the greatest reduction, harmless and resource-based, and stable engineering continuous operation has been achieved.
Soil improvement of biochar——Carbon cycleTM

Establishing the concept of carbon return ——The carbon sequestration rate is increased by an order of magnitude, and the emission reduction effect is better, which is beneficial to the global carbon cycle.
The application achievements of biochar in the field of soil :
Carbon-based soil conditioner

Carbon-based soil conditioner

1st applied carbon-based soil conditioner

In the third year, the coverage rate exceeds 80%.

Grass production: 1.3 kg/㎡
Application Testing of Biochar in the Field of Soil (Carbon Cycle)

In the left figure, 1 and 2 show the effects of activated carbon at 50um and 10um respectively. In the lower part of the left figure, 3 and 4 present the scanning electron microscope images of waste pyrolysis activated carbon at 50um and 10um.
It is researched&discovered that the biochar produced from the carbonization of waste has a certain adsorption effect on nutrients and can achieve the effect of a soil conditioner. The biochar obtained from the carbonization of waste can perfectly replace activated carbon.
The return of biochar to the soil and the mode of biomass carbon sequestration
Convert agricultural solid waste into high-value carbon assets
The agricultural straw carbonization and carbon dioxide removal (CDR) carbon asset project business model is a resource-intensive, dual-benefit strategy designed to convert low-value agricultural biomass (such as crop residues) into high-integrity carbon assets and commercial by-products.This model leverages the growing demand for durable and measurable carbon removal solutions by companies to provide a profitable path for climate action and resource utilization.

Core solution: pyrolysis and carbonization of straw

The technical path of turning waste into treasure
Through high-temperature and hypoxic pyrolysis technology, crop stalks are converted into biochar, and biochar is used to improve the soil to achieve:
● Sequestration and carbon sequestration: The CO2 absorbed by plants is locked in biochar and stored stably for hundreds of years.
● Biological emission reduction: greenhouse gases from straw rotting or incineration are avoided.
● Alternative fuels: biomass gas realizes energy saving and emission reduction in drying towers and realizes energy recycling.
Core solution: carbon-based return to the field
A new path for soil improvement:
Use carbon-based soil improvers and biochar-based organic fertilizers to return to the field and reshape soil health:
● Improve soil pH value: biochar is alkaline, which effectively improves acidified soil.
● Improve the physical structure: its porous structure increases soil ventilation and water retention.
● Loaded microorganisms: Its porous structure attaches to hundreds of millions of microorganisms to increase the biomass of black land.
● Improve organic matter: directly increase the organic carbon content of the soil and restore soil strength.
