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All Journal CHEESA: Chemical Engineering Research Articles
Hikmawati, Dwi Ima
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Chemical Engineering, Chemistry & Bioengineering Chemistry

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Surface Chemical Structure and Morphological Analysis of Fallen Teak Leaves (Tectona grandis) Powder for Methylene Blue Adsorption Hikmawati, Dwi Ima; Haqiqi, Embun Rachma
CHEESA: Chemical Engineering Research Articles Vol. 2 No. 1 (2019)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (378.306 KB) | DOI: 10.25273/cheesa.v2i1.4334

Abstract

In recent year, theresearch focushas been shiftedtoward developingof an environmentally friendly system toeliminateany pollutantsfrom Waste.The potential of fallen teak leavespowder for removal of methylene blue has beensuccesfullycarried out by batch adsorption system. The purposeof this study is to characterize an adsorbent obtained from local fallen teak leaves.The characterization focused on the surface of chemical structure analysis obtained fromFourier Transform Infrared (FTIR) spectroscopy and morphologicalanalysis by Scanning Electron Microscopy (SEM)in order to get an idea fuctional group as active site andtextural properties.The FTIR resultshave explanedthe presence of some functional groups such as –OH, C=C, COO–, CO, NO2on FTLP surface that could be potential adsorption sites for interaction with MB molecules. The SEM photographs morphology of FTLP surface has a rough surface with almost more non-uniform
Influence of Chicken EggShell Powder Ratio with Coarse Rice Husk on Methyl Orange Removal from Aqueous Solution Haqiqi, Embun Rachma; Hikmawati, Dwi Ima
CHEESA: Chemical Engineering Research Articles Vol. 2 No. 1 (2019)
Publisher : Universitas PGRI Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (333.859 KB) | DOI: 10.25273/cheesa.v2i1.4335

Abstract

Chicken eggshell and rice husk waste have been succesfully used as a potential adsorbent of methyl orange (MO). In this study, after the washing and drying process, chicken eggshells were mashed while the rice husk was left intact. Chicken eggshell powder and coarse rice husk were combined and varied its composition ratio by 3: 1, 2: 1, 1: 1, 1: 2, and 1: 3. The adsorption process of 50 mL MO 20 ppm in aqueous solution with 11 grams of adsorbent was measured using the UV-Vis Spectrophotometer Genesys 20 at 465 nm. Based on the results of the study, the adsorbent with a variation of 1: 1 in ratio was able to adsorb MO from the solution up to 27.70% within 60 minutes.
Co-Authors Haqiqi, Embun Rachma