Deposition Properties Research of Calcium Sulfate Scale on Microbic Surface

Abstract:

Microbial method with high efficiency and low pollution on oilfield sewage treatment, has more advantages than others, however, the salinity of sewage is rather high due to the high content of calcium and magnesium ions, sulfate and carbonate ions. High salinity results in strong fouling resistance, the crystals of calcium scale will easily gather and deposit on microbial surface and hinder matter and energy exchange processes between in and outside of microbial cell. The worst case is that scale will impact the normal oilfield production. This paper explores the principles and characteristics of dirt deposited on the surface of microorganisms, the mechanisms of fouling , as well as introduces the research status of CaCO₃ scale and BaSO₄ scale at home and abroad.

• Periodical: Advanced Materials Research (Volumes 1010-1012)
• Pages: 24-28
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1010-1012.24
• Online since: August 2014
• Authors: Shan Li*, Cheng Tun Qu, Yan Li, Bo Yang, Juan Ma
• Keywords: Calcium Sulfate Scale, Deposition, Microorganism, Oilfield Sewage

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