共查询到20条相似文献,搜索用时 140 毫秒
1.
王平 《中国石油和化工标准与质量》2019,(1):27-28
联合站是石油开采到运输过程中对其集输和处理的地方。在联合站中原油脱水是一个重要环节,电脱水器作为原油脱水的核心装置,其油水界面高度及压力是确保电脱水器正常运行的重要参数。本文提出了影响油田联合站电脱水器的因素,并详细分析了主要处理方法,为今后的研究提供一些有力依据。 相似文献
2.
3.
4.
引 言剩余污泥处理是活性污泥法处理污水工艺流程的一个重要组成部分 ,污泥脱水技术的研究旨在提高剩余污泥固含量 ,以降低污泥后处理和再利用的成本 .活性污泥絮凝体中含有大量的水 ,根据水在絮凝体中的位置和功能不同 ,可将其划分为结合水(boundwater)、邻位水 (vicinalwater)、毛细管水(capillarywater)和自由水 (freewater) [1] .结合水参与形成污泥中生物量 ;邻位水紧贴污泥颗粒表面 ;毛细管水存在于污泥絮凝体的毛细结构中 ;自由水分布在污泥颗粒之间 .这些水与污泥颗粒之间相互作用力… 相似文献
5.
7.
8.
9.
10.
11.
12.
13.
通过对使用延安混合原油200×104t/a常压蒸馏装置电脱盐系统主要参数进行了分析,摸索出了适宜的操作条件。使电脱盐脱后含盐量降至3mg/L以下,达到了厂电脱盐脱后含盐控制指标要求,为下游的平稳生产创造了良好的条件。 相似文献
14.
15.
16.
17.
电场增强条件下双极膜水解离的简化模型 总被引:2,自引:0,他引:2
This work is concentrated on elucidating the mechanism of the electric field enhanced water dissociation.A simple model was established for the theoretical current-voltage characteristics in water dissociation process on a bipolar membrane based on the existence of a depletion layer and Onsager‘s theory. Particular attention was given to the influence of applied voltage on depletion thickness and the dissociation constant. The factors on the water splitting process, such as water ditfusivity, water content, ion exchange capacity, temperature, relative permittivity,etc. were adequately analysed based on the derived model equations and several suggestions were proposed for decreasing the applied voltage in practical operation. The water dissociation tests were conducted and compared with both the theoretical calculation and the measured current-voltage curves reported in the literature, which showed a very good prediction to practical current-voltage behavior of a bipolar membrane at high current densities when the splitting of water actually commenced. 相似文献
18.
19.