Synthesis of Zeolite from Water Treatment Sludge and its Application to the Removal of Brilliant Green

Abstract:

In this work, water treatment sludge from the water treatment plant was used to synthesize zeolite material. In the synthesis, the washed sludge was mixed with sodium hydroxide and then heated at 600^ºC for 6 h. After agitation, the aged material was heated in a water bath at 80^ºC for different period of aging times. Based on XRD and SEM analyses, Faujasite zeolite was obtained. Then, the feasibility of employing the obtained zeolite as adsorbent for Brilliant Green (BG) removal was investigated. The effect of adsorbent dosage and contact time were examined. Adsorption kinetics and isotherm were also evaluated. The results showed that the obtained zeolite has potential for applying as low-cost adsorbent for the removal of BG from wastewater with higher than 97% adsorption efficiency.

• Periodical: Key Engineering Materials (Volume 766)
• Pages: 111-116
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.766.111
• Online since: April 2018
• Authors: Khemmakorn Gomonsirisuk*, Kotchakorn Yotyiamkrae, Malee Prajuabsuk, Saisamorn Lumlong, Pharit Kamsri, Pornpan Pungpo, Parjaree Thavorniti
• Keywords: Faujasite, Sludge, Waste, Zeolite

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