CHARACTERIZATION AND REUSING OF EXHAUSTED PETROLEUM GAS MOLECULAR SIEVES SORBENT MEDIA TO BE USED IN THE TREATMENT OF INDUSTRIAL WASTEWATER

Document Type : Review Article

Authors

1 Institute of Environmental Studies and Research, Ain Shams University

2 Central chemical Lab. Electricity Transmission Holding co.

3 Environmental specialist, Egyptian Natural Gas Holding co

Abstract

Exhausted molecular sieves sorbent media (EMSSM) used in the purification of petroleum gases is considered industrial waste causing disposal problem. This work carried out to utilize this waste in the treatment of industrial wastewater .X-Ray analysis revealed that the main constituents of (EMSSM) are like bentonite and most clay. (EMSSM) material was tested in different forms (untreated, chemically treated, thermally treated) for remove these parameters from industrial wastewater (organic matter, oil and grease, turbidity and some metal) which tested as jar test with and without ferric chloride as flocculants ,the chemical and thermal treatment were applied on (EMSSM) in order to increase its adsorption efficiency . Characteristics of these sorbents were investigated by X-ray diffraction, Energy Dispersive X-Ray (EDX), thermogravimetric analysis (TGA). The untreated, chemically treated, thermally treated (EMSSM) were found to remove organic matter from industrial wastewater with removal percentage reached to (70.47%), (78.63%) and (86.81%) respectively. The factors affecting the removal percentage such as time, dose, pH and temperature were investigating to assess the optimum conditions for turbidity, organic matter and oil and grease removal.
 

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