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Effect of activation condition of biochar on p-nitrophenol adsorption performance

Halimi, Sarah Atika (2012) Effect of activation condition of biochar on p-nitrophenol adsorption performance. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Biochar has been used as precursor for activated carbon, using zinc chloride as activating agent. The presence of phenol and phenolic compounds even at low concentration in water and wastewater has been one of the biggest public concern and they are considered to be one of the most frequent contaminants at hazardouswaste sites. Its usage is for removal of p-nitrophenol (PNP). The results of this study show it is feasible to prepare activated carbons with relatively high adsorption perfonnance from biochar by direct chemical activation. From the study it can be seen that biochar that is mixed with 1M concentration of ZnC]z and activated at 500°C with weight ratio ofbiochar and ZnC]z 1 :3having the best activation condition as it gives the best adsorption performance by having the highest adsorption capacity which is 703.5\mg/g.ln this project it is found that adsorption of PNP follows both Freundlich and Langmuir isotherm model with a regression constant almost 0.90.

Item Type: Final Year Project
Academic Subject : Academic Department - Chemical Engineering - Environment
Subject: T Technology > TP Chemical technology
Divisions: Engineering > Chemical
Depositing User: Users 2053 not found.
Date Deposited: 24 Oct 2013 14:45
Last Modified: 25 Jan 2017 09:40
URI: http://utpedia.utp.edu.my/id/eprint/9667

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