Volume 6, Issue 4, August 2017, Page: 94-100
Treatment of Hazardous Solid Waste Using Solidification and Stabilization Technique
Yamuna Rani M., Centre for Environment, Institute of Science and Technology, JNTUH, Hyderabad, India
Bhagawan D., Centre for Environment, Institute of Science and Technology, JNTUH, Hyderabad, India
Saritha P., Dept. of Civil Engg. Malla Reddy College of Engineering, Hyderabad, India
V. Himabindu, Centre for Environment, Institute of Science and Technology, JNTUH, Hyderabad, India
V. Venkateswara Reddy, Dept. of Civil Engg. JNTUHCEH, Hyderabad, India
Received: May 27, 2017;       Accepted: Jun. 30, 2017;       Published: Jul. 31, 2017
DOI: 10.11648/j.ajep.20170604.13      View  901      Downloads  40
Abstract
The immobilization of toxic metals present in the pharmaceutical effluent treatment plant (ETP) sludge is studied using the solidification/stabilization (S/S) technique. Different mixtures of cement, lime and bentonite as binders and additives (Pulverized fuel ash (PFA), silica fume and quarry dust) are used in order to reduce the mobility of the metal constituent of the pharma sludge as well as to strengthen brick. The interaction between the S/S matrix were studied using X-ray diffraction spectroscopy (XRD), Fourier Transform Infrared Spectroscopy (FT-IR), Thermo gravimetric-Differential Thermal Analysis (TG- DTA), Unconfined Compression Strength, Toxicity characteristics leaching procedure (TCLP) tests. The results showed that the optimized composition matrix have a strong fixing capacity for heavy metal includes Cu, Zn, Fe, Co, Pb, Ni and Cd. All the specimens have been observed to be sufficient in achieving the target compressive strength of 0.3 N/mm2 required for landfill disposal and mixed binders (Cement, Lime, and Bentonite) brick can be recommended for external use in construction i.e. for pave of pedestrian roads.
Keywords
Solidification and Stabilization, Pharmaceutical Sludge, Binder, Hazardous Waste, Brick, Compressive Strength
To cite this article
Yamuna Rani M., Bhagawan D., Saritha P., V. Himabindu, V. Venkateswara Reddy, Treatment of Hazardous Solid Waste Using Solidification and Stabilization Technique, American Journal of Environmental Protection. Vol. 6, No. 4, 2017, pp. 94-100. doi: 10.11648/j.ajep.20170604.13
Copyright
Copyright © 2017 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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