The deep bed filtration is one of the basic methods for the heterogeneous separation in chemical engineering, which plays an important role in the petrochemical wastewater treatment.
深层过滤是化工过程非均相分离中最基本的方法之一，在石油化工水处理方面占有很重要的地位。
It has deduced the mathematical function of the sediment void ratio on the basis of stress and structure analysis, and then the mass and volume conversion of deep bed filtration sediment is given.
通过受力情况和结构特性的分析，推导出了沉积物空隙率的函数表达式，在此基础上，给出沉积物质量与体积的换算关系。
The experiment reveals that the variation of UFE numbers is only dependent on the volume-specific deposit of filter, the effects of filtration velocity, bed depth and ALT ratio are not evident.
不同滤层厚度、滤速和加药比ALT等条件下的过滤试验结果表明：滤层中单元滤床的特征尺寸的变化仅与空隙率有关。
The paper illustrates the influence of filtration material and filtration bed thickness on filtration performance.
介绍了滤料和滤层厚度对过滤效果的影响。
Meanwhile , the filtration capacity of the deep bed using the uniform media is analyzed and valuated.
同时，对均质滤料的过滤性能进行了分析、评价。
A flat plat fixed-bed reactor for gas purification was designed, its structure, working principle, function of screen plate, guide baffle, gas receiver and filtration cap were introduced.
设计了一种用于气体净化的平板式固定床反应器，介绍了该反应器的结构、工作原理以及网板、导向板、气体收集箱、过滤盖等组件的功能。
Sieve bed adopts inclined, the tilt angle of removed material and filtration material with the best result;
筛网床面采用倾斜式，所采用之倾斜角度取出料和筛料的最佳效果；
The experiments about uniformity of granular cake on lab-scale are introduced in detail. The fluidizing feature of fluidized-bed with conical filtration units is researched on the rebuilt test-bed.
详细介绍了在原台架上进行的圆锥型过滤元件上滤饼厚度均匀性的实验研究。
The experiments about uniformity of granular cake on lab-scale are introduced in detail. The fluidizing feature of fluidized-bed with conical filtration units is researched on the rebuilt test-bed.
详细介绍了在原台架上进行的圆锥型过滤元件上滤饼厚度均匀性的实验研究。
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