Numerical Simulation of SiO₂ Fouling While Evaporating High Concentration Extracted Oil Wastewater

Abstract:

This article aims at fouling situation while extracted oil wastewater evaporating and has analyzed the change process in wastewater SiO₂. We point out influence of the formation of fouling SiO₂ pre-condition—supersaturation and establish SiO₂ crystallization precipitation model and equation. The results show that concentration ratio and evaporation temperature increase to help fouling formation to give rise to fouling heat resistance elevating. The increase of extracted oil wastewater flow rate loop reduce the fouling heat resistance and improve the efficiency of heat utilize. Through simulation , we master main influencing factors of fouling heat resistance and grain a good foundation to design the experiment scheme in the future.

• Periodical: Advanced Materials Research (Volumes 518-523)
• Pages: 3231-3235
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.518-523.3231
• Online since: May 2012
• Authors: Long Sheng Zou, De Zhen Chen, Wei Guo Zhou
• Keywords: Concentration, Extracted Oil Wastewater, Model of Fouling, SiO₂

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