Effects of Feedstock and Pyrolysis Temperature on Biochar Adsorption of Ammonium and Nitrate
Chinese Academy of Agricultural Sciences · Institute of Agricultural Resources and Regional Planning · +3 more institutions
Abstract
Biochar produced by pyrolysis of biomass can be used to counter nitrogen (N) pollution. The present study investigated the effects of feedstock and temperature on characteristics of biochars and their adsorption ability for ammonium N (NH4(+)-N) and nitrate N (NO3(-)-N). Twelve biochars were produced from wheat-straw (W-BC), corn-straw (C-BC) and peanut-shell (P-BC) at pyrolysis temperatures of 400, 500, 600 and 700°C. Biochar physical and chemical properties were determined and the biochars were used for N sorption experiments. The results showed that biochar yield and contents of N, hydrogen and oxygen decreased as pyrolysis temperature increased from 400°C to 700°C, whereas contents of ash, pH and carbon…
Citation impact
- FWCI
- 32.14
- Percentile
- 100%
- References
- 43
Authors
7- XGXiapu Gai
Chinese Academy of Agricultural Sciences, Institute of Agricultural Resources and Regional Planning
- HWHongyuan Wang
Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences
- JLJian Liu
Agricultural Research Service, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, United States Department of Agriculture
- LZLimei Zhai
Chinese Academy of Agricultural Sciences, Institute of Agricultural Resources and Regional Planning
- SLShen Liu
Chinese Academy of Agricultural Sciences, Institute of Agricultural Resources and Regional Planning
Topics & keywords
- Biochar
- Pyrolysis
- Sorption
- Adsorption
- Chemistry
- Straw
- Ammonium
- Charcoal