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首页> 外文期刊>Journal of Hazardous Materials >Removal of HCl gas from off gases using self-priming venturi scrubber
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Removal of HCl gas from off gases using self-priming venturi scrubber

机译：使用自吸式文丘里洗涤器去除废气中的HCl气体

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摘要

Growing concern about the effect of hydrochloric acid gas (HCl) on environment and abatement of it is now a very serious issue. This present paper is focused on developing a realistic model in order to remove the HCl from the off gases using self-priming venturi scrubber, A detailed parametric study of throat gas velocity (36-72 m/s), liquid level in outer cylinder (0.40-0.77 m) and inlet concentration of HCl (100-500 ppm) on HCl removal efficiency have been done with normal water as a scrubbing liquid. Also the removal efficiency was enhanced by using NaOH solution as a scrubbing liquid in submerged and non-submerged conditions. Therefore, the maximum removal efficiency of HCI was obtained as 87.83% with normal water and 92.54% with 0.005N NaOH solution as the scrubbing liquid at inlet HCI concentration of 500 ppm, throat gas velocity of 60 m/s and liquid level of 0.77 m in submerged condition. Experimental results were validated with the developed empirical model and showed excellent agreement with less deviation.
机译：现在越来越关注盐酸气体（HCl）对环境的影响及其消除问题，这是一个非常严重的问题。本文的重点是开发一种实际模型，以便使用自吸式文丘里洗涤器从废气中去除HCl。对喉管气体流速（36-72 m / s），外缸液位（用普通水作为洗涤液已完成了0.40-0.77 m）和HCl入口浓度（100-500 ppm）的HCl去除效率。此外，通过在浸水和非浸水条件下使用NaOH溶液作为洗涤液，可以提高去除效率。因此，在入口HCl浓度为500 ppm，喉气流速为60 m / s和液位为0.77 m的情况下，使用普通水和洗涤液获得的HCI去除效率最高为87.83％，使用0.005N NaOH溶液为92.54％。处于淹没状态。实验结果通过建立的经验模型进行了验证，并显示出极好的一致性，偏差较小。

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