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首页> 外文期刊>The Science of the Total Environment >Use of coupled wavelength ultraviolet light-emitting diodes for inactivation of bacteria in subsea oil-field injection water
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Use of coupled wavelength ultraviolet light-emitting diodes for inactivation of bacteria in subsea oil-field injection water

机译：耦合波长紫外发光二极管用于灭活海底油田注入水中细菌的作用

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摘要

The development of subsea injection water disinfection systems will enable the novel exploration of offshore oilfields. Ultraviolet light emitting diodes (UV-LEDs) with peak wavelengths at 255 nm, 280 nm, 350 nm, and combinations of 255 nm and 350 nm, and 280 nm and 350 nm were investigated in this study to determine their efficiency at disinfecting saprophytic bacteria, iron bacteria, and sulfate reducing bacteria. Results show that UV-LEDs with peak wavelengths at 280 nm were the most practical in this domain because of their high performance in both energy-efficiency and reactivation suppression, although 255 nm UV-LEDs achieved an optimal germicidal effect in dose-based experiments. The use of combined 280 nm and 350 nm wavelengths also induced synergistic bactericidal effects on saprophytic bacteria.
机译：海底注水消毒系统的开发将使对海上油田的新型勘探成为可能。在本研究中，研究了峰值波长为255 nm，280 nm，350 combinationsnm以及255 nm和350 nm以及280 nm和350 nm组合的紫外发光二极管（UV-LED），以确定其对腐生细菌消毒的效率。 ，铁细菌和硫酸盐还原细菌。结果表明，峰值波长为280 nm的UV-LED在此领域最为实用，因为它们在能量效率和抑制再活化方面均表现出色，尽管255 nm的UV-LED在基于剂量的实验中达到了最佳的杀菌效果。组合使用280nm和350nm波长也可对腐生细菌产生协同杀菌作用。

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