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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。
- hydrogen sulfide precipitation method 硫化氢沉淀法
- 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。
- Selective Separation of Lead From Alkaline Zinc Solution by Sulfide Precipitation 硫化物沉淀法选择性分离碱性锌溶液中的铅
- Study on the Sulfide Precipitation Mechanism and Its Affect on Production and Exploitation of Gas Reservoir 气藏中硫的沉积机理及其对生产的影响
- 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。
- 1. 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。
- There will be precipitation on northern hills tonight. 今夜北部山区有降雪。
- Thermodynamic Analysis of Sulfide Precipitation in Low-carbon High-sulfur High-phosphorus Steels in Solidification Process 低碳高硫磷钢硫化物凝固析出的热力学分析
- 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。
- A bright red mercuric sulfide used as a pigment. 银朱,朱砂用作颜料的一种鲜红色的硫化汞
- 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。
- 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
- These effects are antagonizeed by sodium sulfide. 这些效果被硫化钠中和了。
- Any of various natural metallic sulfide minerals, especially of iron. 硫化矿类一种自然金属硫化矿,尤指铁矿