Preparation of Activated Carbon by Using Durian Shell as Adsorbent for Methylene Blue from Textile Industry Wastewater

Indah Kemala, Mahmud Sudibandriyo

Abstract

This research aimed to produce durian shell-based activated carbon for its application in the adsorption of Methylene Blue. In this research, H3PO4 was used as an activator with a variety of impregnation ratio which are, 1/1, 2/1, and 3/1. Activation was done at a temperature of 600oC for 1 hour. Durian shell was washed and dried using an oven at 150oC for 5 hours. Iodine number showed that the active carbon with impregnation ratio of 2/1 has the highest number which is 454.5 mg/g, but the activated carbon with impregnation ratio of 3/1 has the biggest % removal of the Methylene Blue dye. Activated carbon samples from durian shell with impregnation ratio of 1/1, 2/1, and 3/1 respectively have % removal of 5.25%, 80.3% and 90.35%. Methylene Blue dye adsorption by durian shell-based activated carbon was conducted by varying the impregnation ratio, the mass of activated carbon, the initial concentration of Methylene Blue, and the contact time.

Keywords—adsorption, activated carbon, durian shell, surface area, Iod Number


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