Preparation and Characterization of Activated Carbon from Kurdistan Walnut Shell Activated by NaOH | Zendy

Bakhtiar K. Hamad | Zendy

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Preparation and Characterization of Activated Carbon from Kurdistan Walnut Shell Activated by NaOH

Author(s) -

Bakhtiar K. Hamad

Publication year - 2018

Publication title -

zanco journal of pure and applied sciences

Language(s) - English

Resource type - Journals

eISSN - 2412-3986

pISSN - 2218-0230

DOI - 10.21271/zjpas.30.1.2

Subject(s) - activated carbon , freundlich equation , adsorption , langmuir , sodium hydroxide , point of zero charge , chemistry , potassium hydroxide , nuclear chemistry , methylene blue , langmuir adsorption model , inorganic chemistry , organic chemistry , catalysis , photocatalysis

Kurdistan walnut shell (KWS) was examined for preparation of activated carbon using sodium hydroxide as chemical agent. The characterisations of the Kurdistan walnut shell activated carbon by sodium hydroxide (WSAC-NaOH) were studied using different techniques. pH of point of zero charge (pH pzc ), iodine number and proximate analysis. The adsorption of methylene blue by prepared activated carbon was analyzed by the Langmuir and Freundlich adsorption isotherms. The data fitted well to the Freundlich isotherm with the maximum adsorption capacity = 344.8 mg/g for Langmuir adsorption isotherm. The analysis showed that the activated carbon derived from walnut shell activated by sodium hydroxide is more capable than commercial activated carbon (CAC) and can be used as a possible adsorbent.

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