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直接过滤技术
相关语句
  direct filtration technology
     Optimum Selects of Coagulants in Direct Filtration Technology
     直接过滤技术中混凝剂的最佳选择
短句来源
     Study on Micro - flocculation/Deep Bed Direct Filtration Technology of Low Temperature and Low Turbidity Water Treatment
     低温低浊水的微絮凝-深床直接过滤技术研究
短句来源
  “直接过滤技术”译为未确定词的双语例句
     The Technology and Development of Direct-Filitration
     直接过滤技术及其新发展
短句来源
     Study and Application Progress of Micro-flocculation-Direct Filtration Technology
     微絮凝——直接过滤技术的研究与应用进展
短句来源
     The micro flocculation direct filtration process is selected to treat the industrial wastewater from the power plant so that the wastewater after treatment can be reused as cooling water.
     本实验选择微絮凝直接过滤技术处理电厂中的工业废水 ,使其经过处理后能被作为冷却水加以回用。
短句来源
     In the process of direct filtration,coagulants types and its dosage determines structure and size of flocculi,so it affects filtration characteristics. In order to make good filtration effects,is is necessary to optimize the following parameters:filter media size,filtration rate,layer depth,raw water turbidity etc,an optimum select to coagulants types in the process of direct filtration has been made.
     直接过滤时 ,混凝剂种类及投药量决定絮体的结构及大小 ,直接影响着过滤性能 为了取得好的过滤效果 ,优化过滤过程中下列参数 :滤料粒径、滤速、层厚、原水浊度Co等 ,对直接过滤技术中混凝剂的使用作出了最佳选择
短句来源
     The results show that the fiber-bundle can effectively filtrate raw water of 20~40NTU at 20~30 m·h -1 filtration velocity with optimal coagulant dosage. The fiber-bundle filtration can get good quality of water,less head loss,and a longer filter period and stability.
     试验结果表明 ,在原水浊度为 2 0~ 4 0NTU ,PAC投加量为 18mg·L-1,滤速为 2 0~ 30m·h-1时 ,纤维束滤料直接过滤技术具有出水水质好、过滤水头损失小、截污量大、运行工况稳定的特点
短句来源
  相似匹配句对
     The Technology and Development of Direct-Filitration
     直接过滤技术及其新发展
短句来源
     Filtration Technology and Facilities
     过滤技术及装置
短句来源
     Air nitration techenologies for dust collection
     过滤除尘技术
短句来源
     Optimum Selects of Coagulants in Direct Filtration Technology
     直接过滤技术中混凝剂的最佳选择
短句来源
     Direct Volume Rendering Techniques
     直接体绘制技术
短句来源
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  direct filtration technology
Continuously backwashed direct filtration technology is available, minimizing equipment needs.
      


The article introduces the development, application and principles of direct filitration by practical examples. The new advancement in this area is stressed.

本文在国内外资料、信息及作者探讨的基础上,对直接过滤的发展、应用、机理通过实例作了介绍。文章着重介绍了直接过滤技术的新发展,可帮助读者对这方面的了解。

Based on the engineering process of Ⅱ stage of Xi′an Qujiang water plant,the direct filtration will be used.The series of water backwashing and air scour on filtration bed of uniform quantz sand medium have been carried out under the condition of the process of microfloc filtration.The formulas for calculating the intensities of the both washing ways are stablished on the base of experiment and the control parameters of water backwashing and air scour are presented under the terms of washing time of 3 min,4...

Based on the engineering process of Ⅱ stage of Xi′an Qujiang water plant,the direct filtration will be used.The series of water backwashing and air scour on filtration bed of uniform quantz sand medium have been carried out under the condition of the process of microfloc filtration.The formulas for calculating the intensities of the both washing ways are stablished on the base of experiment and the control parameters of water backwashing and air scour are presented under the terms of washing time of 3 min,4 min,4 min That is:intensity of air scour alone—15~18 L/m 2·s,intensity of air scour plus water backwashing—15~18 L/m 2·s(air scour),4~6 L/m 2·s(water backwashing),intensity of water backwashing alone—4~6 L/m 2·s

根据西安市曲江水厂二期改造拟采用直接过滤技术,对在微絮凝直接过滤条件下的石英砂均质滤料层进行气水反冲洗试验.从理论上建立了气水反冲洗气洗强度和水洗强度的计算公式,并根据试验结果,提出了在冲洗历时3,4,4min的反冲洗参数,即单独气冲强度为15~18L/m2.s,气水混冲的气冲强度为15~18L/m2.s,水冲强度为4~6L/m2.s,清水漂洗为4~6L/m2.s.

The micro flocculation direct filtration process is selected to treat the industrial wastewater from the power plant so that the wastewater after treatment can be reused as cooling water. The effects of quantity of coagulant and the filtration speed, etc. on the COD Mn and turbidity removal rate are observed based on the small scale experiments, therefore finding out the rational range of the quantity of chemicals. The operational period of the filtration experiment is determined according to the micro...

The micro flocculation direct filtration process is selected to treat the industrial wastewater from the power plant so that the wastewater after treatment can be reused as cooling water. The effects of quantity of coagulant and the filtration speed, etc. on the COD Mn and turbidity removal rate are observed based on the small scale experiments, therefore finding out the rational range of the quantity of chemicals. The operational period of the filtration experiment is determined according to the micro flocculation direct filtration experiment.

本实验选择微絮凝直接过滤技术处理电厂中的工业废水 ,使其经过处理后能被作为冷却水加以回用。通过小型实验观察混凝剂投量、助滤剂投量、过滤速度等因素对 CODMn去除率及浊度去除率的影响 ,从而得出最佳投药量的范围。此外通过微絮凝直接过滤的实验 ,确定了过滤实验的运行周期

 
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