探讨了滤柱生物除铁的影响机理。
The influencing mechanism of the filter candle on biological iron-removal was discussed.
以生物滤柱为反应器，对含铁、锰地下水进行处理。
A down-flow biological filter is used for the groundwater iron and manganese.
通过灭活试验和细菌计数等试验验证该滤柱在除铁中，生物氧化起主要作用。
The inactivation experiment, bacteria counting experiment and some other experiments indicated that biological oxidation had a significant effect on iron-removal in the said filter candle.
其目的是克服普通筒式加压过滤机袋式过滤柱存在的缺陷，提供一种能够有效清洗滤袋的过滤柱。
The technical proposal aims at overcoming the defect in the bag type filtering cylinder of the normal cylindrical pressure filter and providing a filtering cylinder that can be cleaned effectively.
通过在锰砂及石英砂上固定自行分离的纤发菌属细菌，研究了生物固定化锰砂及石英砂滤柱的除铁除锰能力。
Through immobilizing the isolated Leptothrix bacteria on manganese sand and quartz sand, the iron and manganese removal efficiency by the biologically immobilized filtration columns were studied.
结合水厂实际水处理工艺及活性炭深度处理装置，试验研究砂滤池和活性炭滤柱出水中颗粒物数量变化及粒径分布规律。
The amount and size distribution of particles in the effluent from a sand filter or from activated carbon filtration in a drinking water treatment plant were investigated.
以上几种降氟剂根据水质不同可单独使用，也可钙、镁两种降氟剂混合使用。使用方法有煮沸法，接触沉淀法、滤柱过滤法来处理高氟水，其水氟含量可达到正常饮用标准。
High fluorine water can be treated by boiling method, contact precipitation method or column filter method, the content of fluorine for processed water can meet normal drinking standard.
利用人工土柱和中试工程开展了人工土快滤处理系统的进水水质试验。
An influent quality experiment of artificial soil rapid infiltrations ystem has been conducted by using both soil column and pilot-scale plant filled with artificial soil.
利用人工土柱和中试工程开展了人工土快滤处理系统的进水水质试验。
An influent quality experiment of artificial soil rapid infiltrations ystem has been conducted by using both soil column and pilot-scale plant filled with artificial soil.
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