Characterization and optimization of palm industry ash waste (PIAW) derived zeolites using central composite cesign (CCD)

Authors : Said NURDİN, Syafiqah A KHAİRUDDİN, Hajar Athirah M SUKRİ, Chuah C WOOİ

Pages : 27-33

View : 23 | Download : 11

Publication Date : 2018-12-01

Article Type : Conference Paper

Abstract :The prodigious ashes from power electricity generation plants were devastated as solid waste by palm industries into environment. PIAW, mostly Palm Oil Fuel Ash insert ignore into journalissuearticles values(POFA); comprising silica and alumina was discarded as non-profit oriented products, thus this work is about PIAW, essentially POFA derived zeolites using ultrasound irradiation. Performance of POFA was characterized, and process optimization was done by employing CCD. Pre-treated POFA as feedstock and formed zeolites were designated and analyzed using X-Ray Fluorescence insert ignore into journalissuearticles values(X-RF);, Scanning Electron Microscopy insert ignore into journalissuearticles values(SEM); images, Fourier Transform Infrared insert ignore into journalissuearticles values(FTIR); spectrum and X-Ray Diffraction insert ignore into journalissuearticles values(XRD); diagram. Alkaline concentration insert ignore into journalissuearticles values(0.6 M-1.4M);, irradiation time insert ignore into journalissuearticles values(140 min-160 min); and KOH/POFA insert ignore into journalissuearticles values(1.5:1-2.5:1); were examined as non-constant variables. Otherwise, ultrasonic power insert ignore into journalissuearticles values(600W);, temperature insert ignore into journalissuearticles values(80°C); and silica alumina ratio were justified as constant and response variables. An optimal synthesized zeolites as ratio of SiO 2 and Al 2 O 3 insert ignore into journalissuearticles values(10.60); was found from surface plot based on quadratic typical at KOH=1 M, KOH/POFA=2 and time=150 min. Presence of A, P, X and irregular shape structures zeolites are commensurable to another resources, mainly fly ash. These findings are also important for waste reduction, recycling and zeolites synthesis from material under economic value.
Keywords : Quadratic model, Ultrasound irradiation, Alkaline, Solid waste, Silica