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Kinetics of thermal degradation of PMMA-based dental resins scraps
Kinetics of thermal degradation of PMMA-based dental resins scraps

Paulo dos Santos Jr; Haroldo Jorge Ribeiro; Caio Ferreira; Lucas Bernar; Sammy Jonatan Bremerc; Douglas Alberto Rocha de Castro; Armando Ferreira; Conceição de Maria Sales da Silva; Maria Elizabeth Gemaque Costa; Marcelo Santos; Sergio Junior; Luiz Pizarro Borges; Nélio Teixeira Machado

Volume 4, Issue 2 , April 2020, , Pages 202-219

http://dx.doi.org/10.22034/AJGC/2020.2.8

Abstract
  In this work, the cross-linked PPMA-based dental resins scraps were applied to pyrolysis to recover MMA (Methyl methacrylate). Thermal degradation of the cross-linked PPMA-based dental ...  Read More
Removal of ammonium ions from aqueous solution using hydroxy-sodalite zeolite
Removal of ammonium ions from aqueous solution using hydroxy-sodalite zeolite

Lawrence Tatanah Nanganoa; Guy Tagne Merlain; Julius Nsami Ndi; Joseph Mbadcam Ketcha

Volume 3, Issue 2 , April 2019, , Pages 169-186

http://dx.doi.org/10.22034/ajgc.2018.140227.1083

Abstract
  In this research study, the removal of ammonium ions from aqueous solution by hydroxy-sodalite (HS) was evaluated. The effects of the contact time, pH, initial concentration, adsorbent ...  Read More
Biosorption of Fe (III) onto coffee and tea powder: Equilibrium and kinetic study
Biosorption of Fe (III) onto coffee and tea powder: Equilibrium and kinetic study

Khaled Muftah Elsherif; Ashraf El-Hashani; Ibrahim Haider

Volume 2, Issue 4 , October 2018, , Pages 380-394

http://dx.doi.org/10.22034/ajgc.2018.65163

Abstract
  The coffee and tea powders were investigated to be as a novel low-cost non-conventional biosorbent for the removal of Fe (III) from aqueous solutions. Biosorption isotherms and kinetics ...  Read More