Preparation of doped polypyrrole composites as effective chromium ion absorbents
Source abstract
Abstract
A novel Co3O4‐ and AgCl‐doped three‐dimensional architectures polypyrrole (PPy/Co3O4/AgCl) composite was demonstrated as an excellent adsorbent to remove chromium effectively by an in situ oxidation polymerization using FeCl3 as the oxidant. The achieved adsorption capacity was 69.9 mg g−1. The as‐synthesized PPy/Co3O4/AgCl composite is suitable for chromium adsorption in a wide pH range. A chemical rather than a physical adsorption occurred for these adsorbents as revealed by a pseudo‐second‐order kinetic study. The results of the adsorption isotherms showed that the adsorption process was similar to the Langmuir isotherm adsorption. Furthermore, the PPy/Co3O4/AgCl composite exhibited a high stability for chromium adsorption during recycling tests process. POLYM. COMPOS., 39:4416–4424, 2018. © 2017 Society of Plastics Engineers
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Research context
OpenAlex topics: Adsorption and biosorption for pollutant removal · Chemical Synthesis and Characterization · Analytical chemistry methods development
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Petrochemical Engineering Lanzhou Petrochemical College of Vocational Technology Lanzhou 730060 China
Experiment Center of Northwest University for Nationalities Lanzhou 730030 China
Funding
Central Universities Fundamental Research
References (34)
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