Energy production from the pyrolysis of waste biomasses

Abstract

SUMMARYPyrolysis of waste biomasses was carried out at the temperatures of 450 and 5001C by heating at 51C min À1 . Products were collected from emitted gases in a nitrogen purge stream; condensable liquids in the gases were collected by condensation. Gaseous, condensed liquid products and residual solids were collected and analyzed. Condensates were extracted with ether to recover the bio oils (BOs). The maximum liquid yield was obtained from the pyrolysis of soybean oil cake (SBOC) at 5001C with a yield of 60% ca. The BO was higher in the case of SBOC than that of sunflower oil cake (SFOC) at the temperatures of 450 and 5001C. With increasing temperature, bio char yield from the pyrolysis of SFOC decreased, while the liquid yield increased. The increase in temperature did not significantly affect the product distribution for the pyrolysis of SBOC. The compositions of BOs were similar for both SBOC and SFOC. Phenols, phenol derivatives including guaiacols and alkyl-benzenes were the most common and predominant in BOs from both the pyrolysis of SBOC and SFOC. Carbon dioxide was the major gas product for both SBOC and SFOC.

Upgrading lignocellulosic waste to fuel by torrefaction: Characterisation and process optimization by response surface methodology

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“…2 On the one hand, solid product yield is decreased with increasing temperature; on the other hand, the liquid product yield is increased. 64 Even though residence time had an increasing effect on mass loss, the impact rate decreased above 35 minutes. The highest mass loss was observed at high temperature, high density, and short residence time.…”

A solid oxide carbon fuel cell operating on pomelo peel char with high power output

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Catalytic pyrolysis of waste melamine coated chipboard

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