ADSORPTION OF THE ANIONIC DYE OF CONGO RED FROM AQUEOUS SOLUTION USING A MODIFIED NATURAL ZEOLITE WITH BENZALKONIUM CHLORIDE | Zendy

Dian Wuri Astuti | Zendy; Nurul Hidayat Aprilita | Zendy; Mudasir Mudasir | Zendy

Open Access

ADSORPTION OF THE ANIONIC DYE OF CONGO RED FROM AQUEOUS SOLUTION USING A MODIFIED NATURAL ZEOLITE WITH BENZALKONIUM CHLORIDE

Author(s) -

Dian Wuri Astuti,

Nurul Hidayat Aprilita,

Mudasir Mudasir

Publication year - 2020

Publication title -

rasayan journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.281

H-Index - 22

eISSN - 0976-0083

pISSN - 0974-1496

DOI - 10.31788/rjc.2020.1325537

Subject(s) - benzalkonium chloride , zeolite , adsorption , congo red , aqueous solution , chemistry , chloride , nuclear chemistry , chromatography , organic chemistry , catalysis

Adsorption of the congo red on surfactant-modified zeolite has been conducted using the batch method. This research was studied to obtain an efficient and good adsorbent for congo red with high adsorption capacity. The influences of solution pH, adsorbent dosage, and contact time were determined. The benzalkonium chloride was used as a cationic surfactant to modify the zeolite surface so that it was suitable for the adsorption of congo red. The adsorption kinetics and adsorption isotherm were also systematically investigated. The result shows that the adsorption of congo red on surfactant-modified zeolite with benzalkonium chloride loading of 300% of external cation exchange capacity had the highest adsorption capacities for anionic congo red. Modification of the zeolite with benzalkonium chloride can be used as a new alternative method for the removal of the anionic dye of congo red from wastewater.

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