Journal
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
Volume 120, Issue -, Pages 200-206Publisher
ELSEVIER
DOI: 10.1016/j.jaap.2016.05.006
Keywords
Biochar; Pyrolysis; Biomass; Soil improver; Biocoal
Funding
- TUBITAK (THE SCIENTIFIC AND TECHNOLOGICAL RESEARCH COUNCIL OF TURKEY) [114M001, 2015/BIL/007]
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In this study, the effect of feedstock type and pyrolysis temperature on the properties of biochar samples relating to their utilization as energy feedstock and soil amendment was investigated. For this purpose, four different types of biomasses (vine pruning (VP), poultry litter (PL), orange pomace (OP) and seaweed (AB)) were pyrolyzed at different temperatures between 250 and 600 degrees C. The pyrolysis temperature of 350 degrees C was found as critical upper temperature in the production of biochar used as fuel. The VP and OP were seen to be more suitable than PL and AB for solid fuel production. The stable carbon contents of biochars produced at 500 degrees C and 600 degrees C were over than 98%. With increasing of pyrolysis temperature, plant nutrients (except K) in biochars become less available to plants. Although the carbon exchange capacity was the highest in AB and PL biochars, they had extremely high electrical conductivity values. (C) 2016 Elsevier B.V. All rights reserved.
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