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DF-610 混凝剂的重金属沉淀剂

DF-610 混凝剂的重金属沉淀剂

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DF-610 
混凝剂的重金属沉淀剂

DF-610 是一种专有的二甲基二硫代氨基甲酸钠 ((CH3)2NCS2Na) 水溶液和阳离子凝结剂的混合物。

它可以有效地从工业废水中沉淀出低浓度的金属离子。

建议将 DF-610 用作处理总金属离子含量为 1 至 500 ppm 的废水的处理化学品。还应考虑对具有任何金属浓度的精矿进行批处理。

根据具体应用,DF-610 可以将金属去除至 0.1 ppm 以下。即使在含有络合或螯合铜的溶液中,DF-610 也能非常有效地沉淀铜。它还对其他金属有效,包括镉、铬 (+3)、金、铁、镁、汞、镍、银和锌。DF-610 对去除铝、铬 (+6) 和钼无效。

沉淀反应为: 2[(CH 3 ) 2 NCS 2- Na + ]+ M +2 ------> 2[(CH 3 ) 2 NCS 2- ]M +2 + 2Na +

应用

所需的 DF-610 量因每种金属和每种废物流而异。对于含有混合金属的溶液,必须为每种金属添加 DF-610 剂量。DF-610 在很宽的 pH 范围内(4.0 到 11.0)都有效。建议进行实验室评估以确定使用 DF-610 的最佳条件。Duraflow 将很乐意提供现场技术支持以协助可处理性研究。

好处
  • 沉淀低浓度的金属离子
  • 高效沉淀铜

物理数据(典型)
外观:黄绿色至琥珀色液体
密度:9.8 lbs/gal
pH:13.0
水中溶解度:完全
蒸气压:13 mm Hg @ 25C
冰点:20°F
闪点:> 200F
粘度:23 cps @ 72°F
稳定性:在正常条件下稳定



DF-610
Heavy Metal Precipitant With Coagulant

Benefits
  • Precipitates low concentration of metal ions
  • Highly effective in precipitating copper

Physical Data (Typical)
Appearance: Yellow-green to amber liquid
Density: 9.8 lbs/gal
pH: 13.0
Solubility in water: Complete
Vapor pressure: 13 mm Hg @ 25C
Freeze point: 20°F
Flash point: > 200F
Viscosity: 23 cps @ 72°F
Stability: Stable under normal conditions

DF-610 is a proprietary blend of an aqueous solution of sodium dimethyldithiocarbamate ((CH3)2NCS2Na) and cationic coagulant.

It is effective in precipitating low concentrations of metal ions from industrial aqueous effluents.

DF-610 is recommended as a treatment chemical for effluents containing 1 to 500 ppm total metal ions. It should also be considered for batch treatment of concentrates with any metal concentration.

Depending on the specific application, DF-610 can remove the metals to below 0.1 ppm. DF-610 is extremely effective in precipitating copper even in solutions containing complexed or chelated copper. It is also effective on other metals including cadmium, chromium (+3), gold, iron, magnesium, mercury, nickel, silver and zinc. DF-610 is not effective for removal of aluminum, chrome(+6) and molybdenum.

The precipitation reaction is: 2[(CH3)2NCS2-Na+]+ M+2 ------> 2[(CH3)2NCS2-]M+2 + 2Na+

Applications

The amount of DF-610 that is needed varies for each metal and each waste stream. For solutions containing mixed metals, the DF-610 dosage must be added for each metal. DF-610 is effective over a wide pH range (4.0 to 11.0). Laboratory evaluation is recommended to determine the optimum condition for the use of the DF-610. Duraflow will gladly provide onsite technical support to assist with the treatability study.


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