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1)  biological fixation and removal of manganese
生物固锰除锰
1.
The project was designed according to the theory of biological fixation and removal of manganese.
生物固锰除锰理论为指导 ,设计了弱曝气一级过滤生物除铁除锰简缩流程。
2)  biological fixed and removal of manganese process
生物固锰除锰工艺
1.
As a result, biological fixed and removal of manganese process came into being.
基于此,各国对地下水中铁锰含量均有严格限定,生物固锰除锰工艺便应运而生。
3)  biological manganese removal
生物除锰
1.
By means of bench-scale test, study was made on the effect of factors such as )DO), pH and filter shutdown on biological manganese removal from ground water, and an investigation was also carried out on the relationship between oxidation reduction potential (ORP) and biological manganese removal.
 通过小试研究了DO、pH值和滤柱关闭等因素对地下水生物除锰的影响,探讨了氧化还原电位(ORP)与生物除锰的关系。
2.
Mechanism of biological manganese removal and some removal system including single-stage/multi-stage system with biofilter as core technique,hybrid MF/UF hollow fiber membrane system and constructed wetlands for mine drainage disposal were introduced.
文章简要阐述了生物除锰的机理,重点介绍生物除锰的工艺流程和应用,包括以生物滤池为核心的单极/多级工艺、复合MF/UF中空纤维膜工艺以及用于处理矿山废水的人工湿地工艺;同时介绍了国内外生物除锰的研究动态,如:同时去除NH4+、Fe、Mn的研究、生物滤池运行模式的研究等。
3.
The isolation of MSB-4 provides the powerful technical support for the construction of highly effective filter for biological manganese removal,and for the fast startup of water treatment plants with biological removal of iron and manganese.
该工程菌株的获得将为高效生物除锰滤池的构建,及生物除铁除锰水厂的快速启动提供有力的技术支持。
4)  Biological manganese fixation
生物固锰
5)  biological removal of iron and manganese
生物除铁除锰
1.
The anthracite used as filter material in water plant for biological removal of iron and manganese has been studied and practiced through production practices.
目的通过生产实践,进行了无烟煤作为在生物除铁除锰水厂滤料的研究与应用。
6)  biological manganese sand
生物锰砂
1.
Based on this examination, we also formulate back flushing time: 20 days for IBAC and 10 days for biological manganese sand.
通过对高锰酸钾指数、含铁、含锰等指标的考察,表明其出水水质完全达到饮用水标准,在此基础上,确定了相应的反冲洗时间,即固定化生物活性炭(IBAC)为20d;固定化生物锰砂为10d。
补充资料:锰白
   分子式  MnCO3
   分子量  114.95
   CAS号  598-62-9
  性质  玫瑰色三角晶系菱形晶体或无定形亮白棕色粉末。相对密度3.125。几乎不溶于水,微溶于含二氧化碳的水中。溶于稀无机酸,微溶于普通有机酸中,不溶于醇和液氨。在干燥空气中稳定。潮湿时易氧化,形成三氧化二锰而逐渐变为棕黑色,受热时分解放出二氧化碳。与水共沸时即水解。在沸腾的氢氧化钾中,生成氢氧化锰。
   用途  广泛用作脱硫的催化剂, 瓷釉颜料, 锰盐原料, 也用于肥料, 医药, 机械零件和磷化处理。
    毒性   参见金属锰。
   包装储运  用内衬聚乙烯塑料袋的木桶包装,每桶净重50kg。 应贮存阴凉、通风、干燥的库房中。应防止受潮、受热及变质。运输时要防雨淋和日晒。装卸时要轻拿轻放,防止包装破损。 失火时,可用水、砂土和灭火器扑救。
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