石英砂滤料

均粒石英砂滤料过滤研究

Study on filtration by quartz sand media with well-distributed granularity

关于单层石英砂滤料组成的讨论

A Discussion about the Quartz Sand Composition of Filter Materials in Single Layer

氧化铁涂层石英砂滤料表面特征研究

Surface characteristics of quartz sand coated with iron oxides

均粒石英砂滤料快滤池的生产性试验与应用

Productive Experiment and Application of Rapid Filter of Homogeneous Quartz Sand Filter Material

改性石英砂滤料强化过滤处理含藻水

Use of Modified Quartz-sand Filter Media for Enhanced Filtration of Algae - laden Water

均质石英砂滤料是当前国内水厂过滤技术应用的主要填料之一。

Uniform quartz sand media is one of the main media in present filtration technology application .

长期的滤池关闭对单层石英砂滤料生物过滤有较大的影响，但对活性炭石英砂双层滤料生物过滤影响较小。

But no such effect was found for the filter with double-layer media of composite bed of activated carbon and quartz sand .

针对长江原水浊度较高的特点，采用了两级高效反应沉淀池、均质石英砂滤料气水反冲洗滤池处理工艺。

Considering the high turbidity of the Yangtze River water , two-stage high efficient reaction and sedimentation tanks , and sand filter with air-water backwashing are employed .

在国内外水处理过程实践中，传统石英砂滤料在作为给水过滤介质时，长期以来一直存在过滤运行周期短、水头损失增长快的缺陷，其综合效益指数不高。

In the water treatment project practice in domestic and abroad , as a water filter medium , traditional quartz sand has the disadvantage like short period and bigger hydraulic pressure loss etc. The compositive benefit index is low .

分别经酸液，碱液和先酸液后碱液浸泡改性的混合石英砂滤料，应用于低浊度低色度原水的微絮凝一直接过滤的饮用水处理。

The mixture quartz sand filter media , modified by acid liquor , alkali liquor , both acid liquor and alkali liquor respectively , can he applied to direct handle of filtrated drinking water & micro-flocculate of low turbidity . degree and low chroma .

采用两个平行的GAC、石英砂双层滤料生物滤池处理徐州市地面水厂的混凝沉淀工艺出水，并以SOUR为指标测定了反应器内的微生物活性。

Two parallel GAC - sand dual media biofilters were setup in Xuzhou surface water plant for treatment of the water from the coagulation and sedimentation tank . SOUR was used as the indicator to investigate the microbial activity in the biofilters .

结果表明，采用陶粒&石英砂双层滤料的滤柱，在滤速为5.2m/h时，通过直接过滤即可将污水处理厂二级出水中的悬浮物几乎全部去除，且过滤周期可达61.2～72.1h。

The results showed that most of the SS could be removed from the secondary effluent of sewage treatment plant by direct filtration process , with dual medium of ceramic granules and sand , at 5.2m/h flow rate . The filtration period was about 61.2 - 72.1h .

水淬渣&石英砂双层滤料反冲洗试验研究

Study on Backwashing of Granulated - Slag and Quartz Sand

试验证明水淬渣-石英砂双层滤料采用气.水反冲洗在冲洗效果、减少冲洗时间、降低冲洗耗水量及避免混层等方面比单水反冲洗有优势。

By testifying double-layer of granulated-slag and quartz sand , the effect of water-gas backwashing is superior to water backwashing on many aspects of avoiding mixing filtration media , reducing backwashing time and consuming water .

本文根据对无烟煤、石英砂双层滤料气&水反冲洗的试验研究结果，提出了有效防止双层滤料跑料的气水反冲洗参数和操作程序。

On the base of experiment , this article summarized the result of study on the backwashing way of dual media filter and get an effective running procedure and some parameter for preventing the anthracite loss .

颗粒活性炭-石英砂双层滤料组合要优于石英砂单层滤料和无烟煤-石英砂双层滤料，加氯水反冲洗不利于生物滤池的运行。

The granule active carbon ( GAC ) - sand media is superior to sand media and anthracite-sand media , and the backwashing water with residual chlorine will do harm to the operation of the biofiltration .

介绍了在不同条件下无烟煤单层滤料除铁、除锰、除浊的试验和生产实践，并与锰砂除铁、除锰，无烟煤石英砂双层滤料处理进行了对比试验。

Experiments of mono layer anthracite ( MA ) filtration to remove Fe , Mn and turbidity under various working conditions were conducted in full scale way and compared with control tests of manganese sand and double layer anthracite quartz beds .

比较了石英砂和陶粒滤料蚯蚓生物滤池的污泥减量化效果。

Sludge reduction performance by earthworm biofilters using quartz sand and ceramsite as media was compared .

过滤器为石英砂、磁铁矿双层滤料，处理量为20m3/h，过滤周期24h，反冲洗时间为15min，一次和二次过滤的滤速分别为12m3/h和8m3/h。

Regarding the filter with double-layer material of quartz sand and magnetite , the disposal throughput is 20 m3 / h , filtration cycle 24 h , reverse washing time 15 min , filtration rate for the first and second filtration 12 m3 / h and 8 m3 / h.

活性炭石英砂双层深床滤料浮滤池处理高藻水源水的研究

Treating of Algae-Laden Raw Water with GAC-Sand Dual Media Deep Bed Dissolved Air Flotation / Filtration

并对曝气过滤的效果及稀土瓷砂和石英砂、无烟煤混合滤料的性能进行了试验研究。

In this experiment the characteristics of mixed filtration media composed of rare earth sandstone , quartz sand and stone coal were researched .

采用石英砂/无烟煤双层滤料，通过下向流高速过滤技术对城市污水二级出水进行深度处理。

The secondary effluent of municipal wastewater is treated by using the double-layer filter of quartz sand / anthracite and the process of down-flow-high-speed filtration .