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- Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals. 砷的主要处理方法有硫化物沉淀法，或与多价重金属络合。
- Copper was reduced from 20 mg/l to below detectable limits by sulfide precipitation from a gold-ore extraction wastewater. 用硫化物沉淀法可将金矿抽提废水中的铜含量从20毫克/升降到可检测标准以下。
- Copper was reduced from 20 mg/ l to below detectable limits by sulfide precipitation from a gold-ore extraction wastewater. 用硫化物沉淀法可将金矿抽提废水中的铜含量从20毫克／升降到可检测标准以下。
- The invention relates to a sulfide precipitation treatment method of overproof metal contaminant in water, which belongs to the water treatment field. 本发明涉及应对水中超标金属污染物的硫化物沉淀处理方法，属于水处理领域。
- This paper analyzed the mechanism of precipitation floatation, discussed the technology of selective precipitation floatation, the method of sulfide precipitation floatation can treat wastewater containing heavy metal ion and reclaim valuable metals. 摘要对沉淀浮选机理进行了分析，讨论了选择性沉淀－浮选技术，论述了硫化沉淀浮选法不仅能处理矿山含重金属离子废水，同时还能回收其中的有用金属。
- A new method of sulfide precipitation,separation and NaClO_3-H_2SO_4 leaching to recover the copper from electroplating sludges,has been investigated.The recovery rate of copper was 94.5%. 以深圳市某电镀厂所产生的含铜、镍等金属的电镀污泥为对象;研究了硫化物沉淀分离提纯、氯酸钠-硫酸体系浸出回收铜的工艺路线;铜的总回收率为94.;5%25。
- Keywords dust collected by ESP;selective cementation;cadmium;sulfidizing precipitation;sponge thallium;metallic thallium; 电尘;选择置换;镉;硫化沉淀;海绵铊;金属铊;
- hydrogen sulfide precipitation method 硫化氢沉淀法
- sulfidizing precipitation 硫化沉淀
- MoO42-, PO43- and imidazoline compound would alter the ion selectivity of the iron sulfide precipitate film from biporlar structure to cation-selective. 当硫化亚铁膜上吸附了MoO42-、PO43-等含氧阴离子和咪唑啉缓蚀剂后，双极膜的结构转变为阳离子选择性。
- There will be precipitation on northern hills tonight. 今夜北部山区有降雪。
- Precipitation in the form of pellets of ice and hard snow. 冰雹以冰和硬雪块颗粒的形式下落
- Precipitation might spoil things. 轻举妄动会把事情弄得不可收拾。
- Is it too much to ask for a little precipitation? 只是下点小雨也不可以吗?
- Save fuel and reduce noise, no precipitation. 节省燃油，降低噪音，无沉淀。
- Methods:Sulfate ion precipitation method was used. 方法:采用硫酸根离子沉淀法。
- Calculate The Precipitation In Here The Distance. 我在这里计算沉淀的距离.
- Is a kind of spirit of precipitation. 是一种积蓄已久的精神沉淀.
- Keywords magnetic field effect sulfidation precipitation of arsenic; 磁场效应;硫化;沉砷;
- The storm brought several inches of precipitation. 暴雨带来了几英寸的降雨。
