Greenhouse gas emission reduction method for heavy metal contaminated soil
AssigneeJiangxi Agricultural University
InventorsLing Zhang, Yu Gao, Baihui Wang, Jian Bai, Aixin Li, Laicong Luo, Xiaoqin Lai
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Abstract
The present disclosure provides a greenhouse gas emission reduction method for a heavy metal contaminated soil, falling within the technical field of emission reduction of greenhouse gas nitrous oxide. Specifically, hydroxyapatite (HAP) is added to a soil to effectively reduce the emission of nitrous oxide in the soil, and at the same time, the treatment of heavy metal contamination is realized, which is very suitable for the promotion and use of nitrous oxide emission reduction in the contaminated soil.
Claims3
A greenhouse gas emission reduction method for a soil, hydroxyapatite (HAP) being used to reduce the emission of a nitrogen-containing gas in the soil, the soil being a cadmium-contaminated soil containing ammonia-oxidizing archaea (AOA) and a nitrifying bacteria nirS, the greenhouse gas emission reduction method comprising:
- air-drying the soil to obtain a dry soil;
- and
- thoroughly mixing HAP with the dry soil, wherein
- the nitrogen-containing gas is nitrous oxide, and an amount of HAP is 1-5% of a mass of the dry soil.
Dependencies are inferred from the claim text.