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A kind of discarded mango kernel biochar and preparation method thereof

A mango core and biochar technology, applied in the field of biomass resource utilization, can solve the waste of mango core and other problems, achieve the effects of reducing pollution, increasing added value, and reducing environmental pollution

Active Publication Date: 2022-03-29
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem solved by the present invention: Aiming at the current waste of mango kernels, a method for resource utilization of mango kernel biochar is provided

Method used

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  • A kind of discarded mango kernel biochar and preparation method thereof
  • A kind of discarded mango kernel biochar and preparation method thereof
  • A kind of discarded mango kernel biochar and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] 10 g of mango pit powder was placed in a tube furnace, the nitrogen atmosphere was turned on, and the nitrogen inflow rate was 30 mL / min, and then the temperature was raised to 300 °C for 2 h at a heating rate of 10 °C / min. After carbonization, take it out after cooling in the tube furnace, wash it with distilled water until it becomes neutral, filter and dry it to constant weight, and grind it.

experiment example 2

[0036] 10 g of mango stone chips were placed in a tube furnace, the nitrogen atmosphere was turned on, and the nitrogen inflow rate was 30 mL / min, and then the temperature was raised to 400 °C for 2 h at a heating rate of 10 °C / min. After carbonization, take it out after cooling in the tube furnace, wash it with distilled water until neutral, filter and dry it to constant weight, grind it through a 100-mesh sieve, dry it and save it for later use, to obtain mango kernel biochar. The yield of biochar is 35.42%.

Embodiment 3

[0038] 10 g of mango stone chips were placed in a tube furnace, the nitrogen atmosphere was turned on, and the nitrogen inflow rate was 30 mL / min, and then the temperature was raised to 500 °C for 2 h at a heating rate of 10 °C / min. After carbonization, take it out after cooling in the tube furnace, wash it with distilled water until neutral, filter and dry it to constant weight, grind it through a 100-mesh sieve, dry it and save it for later use, to obtain mango kernel biochar. The yield of biochar is 31.55%.

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Abstract

The invention discloses a method for preparing biochar from discarded mango pits, and belongs to the technical field of biochar preparation. The present invention uses a large number of discarded mango cores produced during mango processing and mango rot in orchards or farmer’s markets as the basic material, after cleaning, drying and crushing, mango core powder is obtained, and then pyrolyzed under the protection of nitrogen to obtain a mango core Nuclear biochar products. Examples prove that the present invention not only has easy-to-obtain raw materials, but also has a simple preparation method, low production cost, and high efficiency. It utilizes fruit waste as a resource, realizes waste utilization, saves resources, and effectively solves the problem of high value-added resource utilization of mango pits. The produced biochar is environmentally friendly and safe, has good prospects for large-scale production, and can effectively reduce the environmental pollution problems generated by it.

Description

technical field [0001] The invention belongs to the field of biomass resource utilization, and in particular relates to a preparation method of biochar. Background technique [0002] The use of agricultural, industrial organic waste and other biomass to prepare low-cost environmental protection materials is not only conducive to the rational management of waste, but also can effectively reduce the environmental pollution caused by it, which is of great significance, especially in the current serious pollution, environmental quality decline and In the context of resource constraints, there is an urgent need to develop cheap, sustainable and effective environmentally friendly materials. [0003] Biochar is a stable carbon-rich organic substance obtained by high temperature pyrolysis of biomass under anaerobic or anoxic conditions. Biochar can be prepared from industrial and agricultural waste. It can be used as high-quality energy, soil conditioner, reducing agent, fertilizer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B32/324C01B32/342B01J20/20B01J20/30C02F1/28C02F101/20
CPCC01B32/324C01B32/342B01J20/20C02F1/283B01J2220/4887C02F2101/20
Inventor 何俊瑜张黎明任艳芳崔志文薛宇豪魏启航
Owner CHANGZHOU UNIV
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