Innovative Optical-Sensing Technology for the Online Fouling Characterization of Silicon Carbide Membranes during the Treatment of Oily Water
作者： Mehrdad Ebrahimi , Axel A. Schmidt , Cagatay Kaplan , Oliver Schmitz , Peter Czermak
DOI: 10.3390/S20041161
关键词: Microfiltration 、 Fouling 、 Ceramic membrane 、 Produced water 、 Materials science 、 Membrane 、 Residual oil 、 Pulp and paper industry 、 Filtration 、 Ultrafiltration
摘要: The oil and gas industry generates a large volume of contaminated water (produced water) which must be processed to recover before discharge. Here, we evaluated the performance fouling behavior commercial ceramic silicon carbide membranes in treatment oily wastewaters. In this context, microfiltration ultrafiltration were used for separation during tank dewatering produced model solutions, respectively. We also tested new online oil-in-water sensor (OMD-32) based on principle light scattering continuous measurement concentrations order optimize main filtration process parameters that determine membrane performance: transmembrane pressure cross-flow velocity. Using OMD-32 sensor, content feed, concentrate permeate streams was measured continuously fell within range 0.0-200 parts per million (ppm) with resolution 1.0 ppm. achieved an oil-recovery efficiency up 98% less than ppm residual stream, meeting environmental regulations discharge most areas.
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