TG-FTIR study catalytic effect of inherent metal salt on biomass pyrolysis
MetadataShow full item record
The raw rice straw and leached with deionized water and hydrochloric acid were studied using the method of thermogravimetric(TG) coupled with Fourier transform infrared spectrometry(FTIR) to investigate the catalytic effect of inherent metal salt during biomass pyrolysis. The results indicated alkali metals promoted decomposition reaction comparing to alkaline earth metals especially Ca hindered the reaction. The releasing gas was detected online by FTIR. The main products were CO2, CO, H2O, CH4 and some volatilizable organics contained C=O and C-O-C functional groups. Compared with raw sample, the yield of CO2, CO decreased, CH4 and some volatilizable organics increased after water leaching, all product gas of acid leaching sample were remarkable less than other two samples, which were related with the different catalytic effects of alkali and alkaline earth metals.
Showing items related by title, author, creator and subject.
Terdkiatburana, Thanet (2007)Humic substances are macromolecules that naturally occur in all environments in which vegetation matter are present. In general, humic acid is part of humic substances which form the major fraction of the dissolved organic ...
Vertical distribution of heavy metals in soil profile in a seasonally waterlogging agriculture field in Eastern Ganges BasinRajmohan, N.; Prathapar, S.; Jayaprakash, M.; Ramasamy, Nagarajan (2014)The accumulation of heavy metals in soil and water is a serious concern due to their persistence and toxicity. This study investigated the vertical distribution of heavy metals, possible sources and their relation with ...
The extraction of Pt, Pd and Au from an alkaline cyanide simulated heap leachate by granular activated carbonMpinga, C.; Bradshaw, S; Akdogan, G.; Snyders, C.; Eksteen, Jacques (2013)A two-stage heap leach process to extract base and precious metals from the Platreef low-grade ores is currently being investigated industrially. As part of the investigation, and by analogy with current gold recovery ...