E3S Web Conf.
Volume 73, 2018The 3rd International Conference on Energy, Environmental and Information System (ICENIS 2018)
|Number of page(s)||4|
|Section||Environmental Technology and Pollution Control|
|Published online||21 December 2018|
Cr(VI) and Dye Biosorption in Batik Wastewater using Biosorbent in The Tea Bag
1 Biology Faculty, Universitas Jenderal Soedirman, Purwokerto - Indonesia
2 Environment Studi Program, Universitas Gadjah Mada, Yogyakarta - Indonesia
3 Chemical Study Program, Universitas Gadjah Mada, Yogyakarta - Indonesia
* Corresponding author: email@example.com
Cr(VI) and dye contents on batik wastewater has been reduced by biosorption using cheap, abundant, and easily obtained biosorbent such as Sargassum cinereum and Pleurotus ostreotus baglog waste. Biosorbent in the tea bags can increase adsorption capacity because it has a large surface.This research aims to obtain the optimum of biosorbent ratio and particle size in the tea bag package to Cr(VI) adsorption and decolorization. This experimental research was conducted using Spilt Plot Design. The obtained data were analyzed using anova test on 5% significane level. Based on result study, the highest of Cr(VI) adsorption found at the biosorbent in the tea bag with ratio of 3:1 and particle size of 250-425 urn i.e. 0,0042 mgg-1 with reduction efficiency was 68,31%. Percentage of decolorization was 39,92% found at biosorbent in the tea bag with ratio 0:1 and particle size of 425-675 urn. Biosorbent in the tea bag was effective to reducing Cr(VI) and dye in batik wastewater.
Key words: biosorption / batik wastewater / Cr(VI) / dye / tea bag
© The Authors, published by EDP Sciences, 2018
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