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Title: Thermal stability of metal-lignin composites prepared by coprecipitation method

Source: Thermochimica Acta. 690: 178659.

Author(s)Yan, Qiangu ; Boardman, Charles R.; Cai, Zhiyong

Publication Year: 2020  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4706-1B   FPL-4716-2A

Abstract: In present work, Fe-lignin composites were prepared by chemical coprecipitation of metal salts and kraft lignin; the thermal stability of the Fe-lignin mixture was then investigated at temperatures up to 300 °C using thermogravimetric analysis (TGA) and diferential scanning calorimetry (DSC) at a heating rate of 5 °C min−1 under nitrogen atmosphere. The structural characteristics of Fe-lignin thermal treated under diferent temperatures were identifed by Fourier transform infrared (FTIR) spectrometry. The temperature-programmed thermal decomposition (TPD) of Fe-lignin samples was carried out in a fxed-bed reactor; the gaseous products were analyzed qualitatively and quantitatively by an on-line quantitative gas ana ysis system. The temperature and pressure of the reactor were monitored and recorded during the thermal decomposition process. It was observed, the therma decomposition of Fe- lignin samples is a strong exothermic process, and a signifcant amount of heat is re eased from the reaction, which triggers a thermal runaway situation.

Keywords: Kraft ignin; Fe-lignin composites; thermal stability; Fe content and solvents ;thermal runaway

Publication Review Process: Formally Refereed

File size: 4,096 kb(s)

Date posted: 08/21/2020

This publication is also viewable on Treesearch:  view
RITS Product ID: 98655
Current FPL Scientist associated with this product
Cai, Zhiyong
Supervisory Research Materials Engineer

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