Synthesis of Type A Zeolite from Rice Husk Ash and Its Application as a Builder on Effervescent Tablet Form Detergent

Author:

Yusriadi Yusriadi,Sulastri Evi,Lembang Novita Pratiwi

Abstract

Abstract The application of phosphate compounds as a builder in a detergent formulation created eutrophication that encouraged industry to produce more eco-friendly detergents. To overcome that problem, phosphate can be substituted by zeolit that is more effective in cleaning and also biodegradable. In this study, zeolite was synthesized from rice husk ash using a melting method followed by hydrothermal processes. Effervescent detergent tablets were prepared with the following formulations: 3 formulations containing zeolite (F1–F3), 3 formulations containing sodium tripolyphosphate (STPP: P1–P3) and 1 control formulation. The synthesized zeolit was analysed by XRD (X-Ray Diffraction), FTIR (Fourier-Transform Infrared Spectroscopy), SEM (Scanning Electron Microscopy) and cation exchange capacity (CEC). Furthermore, all detergent formulas were characterized for flowability, compressibility, compatibility, disintegration time, pH, cleaning action and biodegradability. The results of FTIR, XRD and SEM characterization showed that the synthesized zeolite was an amorphous type-A crystal and the predominance of the amorphous phase with a cubic structure and CEC value of 95.71 cmol(+) kg−1. In this study the formulation F1 with 15-% zeolite was found to be the best formulation with granule flow rate parameters of 13.6 g/s, stationary angle of 22.0°, compressibility of 16.6-%, detergent tablet hardness accounted to 0.81 kgf/cm2, crushed time of tablet detergent of 1.5 min, pH 6.7, and biodegradability value of 70.3-% in BOD5 test. A higher concentration of zeolite provided a better cleaning effect of the detergent tablets.

Publisher

Walter de Gruyter GmbH

Subject

Condensed Matter Physics,General Chemical Engineering,General Chemistry

Reference32 articles.

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