Abstract：
:Among many uses of rice straw, application of its biochar from pyrolysis to the soil is receiving greater interest for increased crop productivity and sequestration of CO2. This study investigated slow pyrolysis of rice straw at 300-700°C to characterize the yields and detailed composition of the biochar, bio-oil and non-condensable gases. Biochar was analyzed for pH, microscopic surface area and pore volume distribution. Although the mass yield for the organic fraction was only about 25% above 500°C, biochar was the primary product of pyrolysis containing 40% of energy and 45% of carbon from the straw. The utilization of by-products (bio-oil and gases) as energy resources was essential, since the sum of energy yield was about 60%. The gases could be burned to produce the heat for an auto-thermal pyrolysis process, but the heat balance was significantly influenced by the moisture content of the raw material.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Park J,Lee Y,Ryu C,Park YKdoi
10.1016/j.biortech.2013.12.084subject
Has Abstractpub_date
2014-03-01 00:00:00pages
63-70eissn
0960-8524issn
1873-2976pii
S0960-8524(13)01924-Xjournal_volume
155pub_type
杂志文章abstract：:Cellulosic plant material represents an as-of-yet untapped source of fermentable sugars for significant industrial use. Many physio-chemical structural and compositional factors hinder the enzymatic digestibility of cellulose present in lignocellulosic biomass. The goal of any pretreatment technology is to alter or re...
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