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      Effect of biomass type and pyrolysis temperature on nitrogen in biochar, and the comparison with hydrochar

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          Characteristics of hemicellulose, cellulose and lignin pyrolysis

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            A comparative review of biochar and hydrochar in terms of production, physico-chemical properties and applications

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              Impact of pyrolysis temperature and manure source on physicochemical characteristics of biochar.

              While pyrolysis of livestock manures generates nutrient-rich biochars with potential agronomic uses, studies are needed to clarify biochar properties across manure varieties under similar controlled conditions. This paper reports selected physicochemical results for five manure-based biochars pyrolyzed at 350 and 700°C: swine separated-solids; paved-feedlot manure; dairy manure; poultry litter; and turkey litter. Elemental and FTIR analyses of these alkaline biochars demonstrated variations and similarities in physicochemical characteristics. The FTIR spectra were similar for (1) turkey and poultry and (2) feedlot and dairy, but were distinct for swine biochars. Dairy biochars contained the greatest volatile matter, C, and energy content and lowest ash, N, and S contents. Swine biochars had the greatest P, N, and S contents alongside the lowest pH and EC values. Poultry litter biochars exhibited the greatest EC values. With the greatest ash contents, turkey litter biochars had the greatest biochar mass recoveries, whereas feedlot biochars demonstrated the lowest. Published by Elsevier Ltd.
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                Author and article information

                Journal
                Fuel
                Fuel
                Elsevier BV
                00162361
                May 2021
                May 2021
                : 291
                : 120128
                Article
                10.1016/j.fuel.2021.120128
                d0544654-690c-449b-80d6-85c7a7fadfd4
                © 2021

                https://www.elsevier.com/tdm/userlicense/1.0/

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