Abstract
Poultry litter waste (PLW) is the main by-product generated by the Brazilian poultry industry. A sustainable approach for reusing this waste is the production of biochar to be further used aiming CO2 adsorption. In this work, biochars were produced by varying the N2 flow along the pyrolysis process of 150 (PLW-150) and 1000 (PLW-1000) mL min-1. PLW and biochars were characterized for their morphology, porosity, specific surface area, and CO2 adsorption capacity. From the biochars, carbon cryogels (CC) were produced aiming their use as CO2 adsorbents. The results of the cryogel adsorption test showed a CO2 adsorption capacity of 13.1±2.9 and 33.8±3.3 mg g-1 for the CC-PLW.150 and CC-PLW.1000 cryogels, respectively. Therefore, reusing this residue for cryogels production and its use in the CO2 adsorption signifies an attractive perspective to minimize the environmental damage caused by CO2 emissions.
Highlights
According to Brazilian Agricultural Research Corporation large part of the inorganic compounds present in the (EMBRAPA), Brazil had a 3% increase in national chicken biomass
100 g of poultry litter waste was placed into a bench reactor
The carbonized particles formed by Poultry litter waste (PLW) devolatilization contain complex pore structures
Summary
According to Brazilian Agricultural Research Corporation large part of the inorganic compounds present in the (EMBRAPA), Brazil had a 3% increase in national chicken biomass. Poultry litter waste is the material spread out on the and thermal properties. They are extensively studied in aviaries’ floor to provide bedding for the birds. This thermal and acoustic insulation areas, adsorption of organic material is usually composed of wood chips, sawdust, fluids, dyes, and gases[3]. Cellulose-derived cryogels present wheat, straw, peanut husks, rice husks, among others, the advantage of being derived from plant biomass, without and cellulose as its main component. Using this residue the need for synthetic modifications[4]
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