Environmental bioremediation and measurement
1. Conventional steam activation for conversion of oil palm kernel shell biomass into activated carbon via biochar product

A.C. Affam

Volume 6, Issue 1 , Winter 2020, , Pages 15-30

http://dx.doi.org/10.22034/GJESM.2020.01.02

Abstract
  Conventional steam activation pyrolysis of waste materials such as oil palm kernel shell for production of biochar was investigated using central composite design. Conventional steam activation was carried out via an initial carbonization of oil palm kernel shell to obtain biochar and thereafter steam ...  Read More

Water pollution control and management
2. Coexisting arsenate and arsenite adsorption from water using porous pellet adsorbent: Optimization by response surface methodology

B. Te; B. Wichitsathian; C. Yossapol; W. Wonglertarak

Volume 4, Issue 2 , Spring 2018, , Pages 141-152

http://dx.doi.org/10.22034/gjesm.2018.04.02.003

Abstract
  Mesoporous pellet adsorbent developed from mixing at an appropriate ratio of natural clay, iron oxide, iron powder, and rice bran was used to investigate the optimization process of batch adsorption parameters for treating aqueous solution coexisting with arsenate and arsenite. Central composite design ...  Read More