Pyrolysis of diglycidyl ether of tetrabromobisphenol A (DGETBA) using molten salt and its reaction kinetics

Ching Lin Ho, Kuo Ching Chang, Sheau Ming Chen, Yun-Hwei Shen, Wen Cheng Wu, Kun Liao Chen

Research output: Contribution to journalArticle

Abstract

Diglycidyl ether of Tetrabromobisphenol A (DGETBA) is mainly for making copper clad laminate (CCL), which is the base of printed circuit board (PCB) in Taiwan. If not properly treated and disposed, waste printed circuit board would make the already polluted environment worse. The objective of this study is to pursue the chemical reaction kinetics for pyrolysis of DGETBA by molten salt. The molten salt used in this study composed of Sodium-nitrate (NaNO3) and Sodium-nitrite (NaNO 2 ) with the ratio of 4:1. The following reaction rate equation has been obtained: dC/dt= -kC 0.7 , where k is the reaction rate constant, C is the reactant concentration, t is the reaction time, and which can further be obtained as follows: k=AT b exp (-E/RT)=33.9×T 0.00034 exp (-2118/1.987T), where A is a frequency factor (1/s), b is a empirical parameter temperature function, E is the activation energy (cal/mol), R is universal gas constant (1.987 cal/mol K), and T is the reaction temperature (K).

Original languageEnglish
Pages (from-to)5575-5581
Number of pages7
JournalAfrican Journal of Agricultural Research
Volume6
Issue number25
DOIs
Publication statusPublished - 2011 Nov 1

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reaction kinetics
pyrolysis
ethers
Salts
Sodium Nitrite
salts
sodium nitrate
sodium nitrite
Temperature
chemical reactions
activation energy
Taiwan
Copper
temperature
Gases
copper
gases
tetrabromobisphenol A diglycidyl ether

All Science Journal Classification (ASJC) codes

  • Agricultural and Biological Sciences(all)

Cite this

Ho, Ching Lin ; Chang, Kuo Ching ; Chen, Sheau Ming ; Shen, Yun-Hwei ; Wu, Wen Cheng ; Chen, Kun Liao. / Pyrolysis of diglycidyl ether of tetrabromobisphenol A (DGETBA) using molten salt and its reaction kinetics. In: African Journal of Agricultural Research. 2011 ; Vol. 6, No. 25. pp. 5575-5581.
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Pyrolysis of diglycidyl ether of tetrabromobisphenol A (DGETBA) using molten salt and its reaction kinetics. / Ho, Ching Lin; Chang, Kuo Ching; Chen, Sheau Ming; Shen, Yun-Hwei; Wu, Wen Cheng; Chen, Kun Liao.

In: African Journal of Agricultural Research, Vol. 6, No. 25, 01.11.2011, p. 5575-5581.

Research output: Contribution to journalArticle

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