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首页> 外文期刊>International Journal of Heat and Mass Transfer >Self-cleaning filtration with spark discharge in produced water
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Self-cleaning filtration with spark discharge in produced water

机译：自清洁过滤，产生的水具有火花放电

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摘要

The objective of the present study was to investigate the feasibility of using spark type plasma discharges to provide a self-cleaning effect for filtration of produced water. A new co-axial electrode system was developed for the generation of spark discharges in high-conductivity produced water. The validation experiment was conducted with the spark-assisted self-cleaning (SASC) filtration system in both synthetic produced water and actual produced water at different total dissolved solids (TDS) and total suspended solids (TSS) levels and at three different flow rates of 0.126, 0.315, and 0.631 L/s (i.e., 2, 5 and 10 gpm). The pressure drop across the filter surface was measured over time. The pressure drop obtained without spark discharges increased consistently over time, often resulting in pump failure due to excessive pressure buildup at the pump. The pressure drop obtained with spark discharges was significantly smaller than those obtained without spark discharges. The present study sufficiently demonstrated the validity of the SASC filtration concept. The range of water properties that were shown to be treatable with the SASC filtration system using 10-in cartridge filter of 3- and 5-micron pores was TDS level ≤50,000 mg/L and TSS level ≤2500 mg/L.
机译：本研究的目的是研究使用火花型等离子放电提供自净效果以过滤采出水的可行性。开发了一种新的同轴电极系统，用于在高电导率采出水中产生火花放电。验证实验是利用火花辅助自清洁（SASC）过滤系统在合成采出水和实际采出水中以不同的总溶解固体（TDS）和总悬浮固体（TSS）的水平以及三种不同的流速进行的0.126、0.315和0.631 L / s（即2、5和10 gpm）。随时间测量跨过过滤器表面的压降。随着时间的推移，没有火花放电而获得的压降会持续增加，这通常是由于泵上压力过大而导致的泵故障。用火花放电获得的压降明显小于没有火花放电获得的压降。本研究充分证明了SASC过滤概念的有效性。使用3到5微米毛孔的10英寸筒式过滤器的SASC过滤系统可处理的水性质范围为TDS≤50,000 mg / L和TSS≤2500 mg / L。

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