Lignin and holocellulose from coir pith involved in trimethylamine(fishy odor) adsorption

作     者：Nuttapong Santawee Chairat Treesubsuntorn Paitip Thiravetyan 

作者机构：School of Bioresources and Technology King Mongkut's University of Technology Thonburi Pilot Plant Development and Training Institute King Mongkut's University of Technology Thonburi 

出 版 物：《Journal of Environmental Sciences》 (环境科学学报（英文版）)

年 卷 期：2019年第31卷第5期

页      面：43-53页

核心收录：

学科分类：083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 08[工学] 

基　　金：financially supported by King Mongkut's University of Technology Thonburi(KMUTT)through the"KMUTT 55th Anniversary commemorative fund" the Petchra Pra Jom Klao Ph D scholarship(No.05/2557)for financially supporting Mr.Nuttapong Santawee 

主　　题：Trimethylamine(TMA) Fishy odor Lignin Coir pith Holocellulose 

摘      要：Coir pith is a highly potential adsorbent for adsorbing trimethylamine(TMA). It harbors a higher adsorption capacity for TMA compared to commercial activated carbon(CAC). It was found that lignin and holocellulose extracted from coir pith played an important role in TMA adsorption. Lignin itself had the highest TMA adsorption capacity(269.01 mg/g)followed by holocellulose(75.43 mg/g), coir pith(14.3 mg/g) and CAC(10.26 mg/g),respectively. The pseudo-first-and second orders were applied to the kinetic data. For the adsorption of TMA by coir pith, the best fit was achieved by the pseudo-second *** studies showed an endothermic and physico-chemical adsorption process between TMA and the coir pith. TMA desorption study suggested that only 14%–47% of TMA was desorbed with distilled water. In addition, Fourier transform-infrared(FT-IR) spectra showed that C–H bond(methyl group), C–O bond from phenolic alcohol and C–O bond from tertiary alcohol in lignin and holocellulose were involved in TMA adsorption. Coir pithbased filter showed high TMA adsorption efficiency(98%) and kept constant for more than48 days in a continuous system. Pilot scale experiment, coir pith beads filter could be succesfully applied as a packing material for TMA removal. Therefore, coir pith can be used as a promising packing material for TMA treatment at contaminated site.