Synthesis of Nanozeolite and its Efficiency in Reducing the Ca2+ of Shiraz Oil Refinery Wastewater

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MOHAMADI S.; ZARE S.

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Journal: WATER AND WASTEWATER Year:2020 | Volume:31 | Issue:4 Page(s): 127-142

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Title

Synthesis of Nanozeolite and its Efficiency in Reducing the Ca2+ of Shiraz Oil Refinery Wastewater

Author(s)

MOHAMADI S. | ZARE S. | Issue Writer Certificate

Keywords

Effluent HardnessQ1

ReuseQ2

ZeoliteQ2

MesoporousQ1

AdsorptionQ2

Abstract

The production of industrial wastewater with a variety of compounds is one of the major environmental challenges of human societies, posing a great threat to the health of society. In this study, synthesis of Y-type nanoZeolite and its efficiency in reducing the Ca2+ of Shiraz oil refinery effluent compared to acid treated natural Zeolite was investigated. Synthensis of nanoZeolites was performed by sol-gel method using sodium silicate and sodium aluminate solution. The synthesized samples were analyzed by X-ray diffraction analysis, scanning electron microscopy, and Brunauer-Emmett-Teller (BET) test. The X-ray diffraction results confirmed the crystalline structure of Y-type nanoZeolites. The scanning electron microscopy images showed the formation of Mesoporous particles. The specific porosity of the synthesized nanoZeolite and also the total porosity were determined as 805. 4m2/g and 0. 4222 m3/g, respectively by BET analysis. Based on the nitrogen gas absorption / desorption isotherm, the presence of mesopores along the micro-pore in synthesized nanoZeolite was confirmed. Kinetic studies showed the Adsorption kinetics of both adsorbents are fit well with pseudo-second-order model, indicating that the interaction between the absorber surface and the adsorbent is the determining factor in Adsorption process and diffusion of the Ca2+ ions to the inside of Mesoporous Zeolite canals is fast. The removal amount of Ca2+ from wastewater of oil-refinery for natural Zeolite(50 g) and nano Zeolite(5 g) in 1 L wastewater after equilibrium time was determined as 60% and 95%, respectively and pH=7 was determined as the optimum pH.

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APA: Copy

MOHAMADI, S., & ZARE, S.. (2020). Synthesis of Nanozeolite and its Efficiency in Reducing the Ca2+ of Shiraz Oil Refinery Wastewater. WATER AND WASTEWATER, 31(4 ), 127-142. SID. https://sid.ir/paper/374784/en

Vancouver: Copy

MOHAMADI S., ZARE S.. Synthesis of Nanozeolite and its Efficiency in Reducing the Ca2+ of Shiraz Oil Refinery Wastewater. WATER AND WASTEWATER[Internet]. 2020;31(4 ):127-142. Available from: https://sid.ir/paper/374784/en

IEEE: Copy

S. MOHAMADI, and S. ZARE, “Synthesis of Nanozeolite and its Efficiency in Reducing the Ca2+ of Shiraz Oil Refinery Wastewater,” WATER AND WASTEWATER, vol. 31, no. 4 , pp. 127–142, 2020, [Online]. Available: https://sid.ir/paper/374784/en

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