Pyrogenic carbon

Biochar, a stable form of carbon, is produced from pyrolysis of biological materials. It is attracting growing interest because of its potential to improve soil nutrients status, increase crop yield and sequester carbon (C) in the soil. The carbon in the biomass is subjected to easy degradation since they contain low grade carbon. But in biochar, pyrogenic carbon is formed by pyrolysis. Hence they remain in the soil for long periods. Biochar is produced from the pyrolysis of a variety of biological materials viz.

8p trinhthamhodang1212 06-04-2020 16 0   Download

The application of biochar to soil is a recent approach to establish a significant, long-term, sink for atmospheric carbon dioxide in terrestrial ecosystems. Biochar is a soil and sediment component prepared by pyrolysis. Their compositions vary by pyrogenic organic materials ranging from slightly charred biomass to charcoal.

5p nguaconbaynhay4 22-03-2020 7 2   Download

Both direct emission from fires and ash resuspension from burnt soils could be an important source of airborne PM10. This pyrogenic material, which is composed of organic matter, black carbon and inorganic material, is to a large extent present in the size range below 10 µm and so can be resuspended by wind [17]. Although the contribution to ambient aerosol from fire smoke will generally be episodic, in areas where there is a constant forest burning, the particulate emission from this source could be significant.

35p saimatkhauroi 01-02-2013 58 4   Download