Rapid Adsorption of Methylene Blue from an Aqueous Medium via various Bio-sorbents Impregnated with Iron Chloride
Journal Title: International Journal of Modern Research In Engineering & Management. - Year 2019, Vol 2, Issue 9
Abstract
Activated carbon (AC) is an adsorbent commonly used in the separation and purification industries. Activated carbon (AC) relay porosity and its external structure adsorption capacity. The aim of this study was to prepare activated carbons (ACs) from various agriculture wastes including cotton ginning trash (CGT), cotton stalk (CS) and rice straw (RS) using two-step physio-chemical activation method. The carbonization process was carried out at 550 C 0 for 1 hour in a sealed nitrogen atmosphere. The char products were impregnated with iron chloride (FeCl3) at impregnation ratio of 1:4 (gm FeCl3: gm Charcoal). The chemically treated chars then proceeded to the oven for 24 hours at 110 C 0 . In last dried chemically treated charcoals were active at an activation temperature of 400 C 0 , with iron chloride. The methylene blue adsorption results for CGT, CS, and RS were 330.25 mg/gm, 156 mg/gm, and 183.25 mg/gm. Furthermore, scanning electron microscopy (SEM) method used to analyze the porous structures formed on the surfaces of ACs after the carbonization and activation process, while through X-ray diffractometer (XRD) graphs the crystalline arrangements of ACs were also examined. The presences of various functional groups which are key factors in an adsorption process were identified with the help Fourier transform infrared spectra (FTIR) method.
Authors and Affiliations
Mian Jawaduddin
Keywords
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