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How to treat acidic wastewater containing iron ions

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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How to treat acidic wastewater containing iron ions
Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · They found a combination of two of the plants was most successful and believe they have found ,a treatment method, for large volumes of ,mining wastewater, with low concentrations of metals. The article also provides a good introduction to the use of other plants for bio-filtration and a brief summary of the problem of heavy metals found in ,mining waste water,.

Penn State Develops AMD Process to Extract Rare Earth from ...
Penn State Develops AMD Process to Extract Rare Earth from ...

The researchers introduced in the article that using this ,method,, at a pH of 5, 90% of aluminum in ,acid, mine drainage can be recovered; at a pH of 7, 85% of rare earth elements can be recovered. At present, the use of traditional ,treatment, processes to recover the same amount of rare earth elements from ,acid, mine drainage requires the addition of more chemicals to increase the pH value above 7.

Minerals | Free Full-Text | Study on Chromaticity Removal ...
Minerals | Free Full-Text | Study on Chromaticity Removal ...

Salicylic hydroxamic ,acid, is a kind of chelating collector with high selectivity to metal oxide ore, it has been applied in the mineral processing of tungsten ,molybdenum, ore, rare earth ore, nonferrous metal ore, and other oxide ores, and it is becoming a research hotspot of new oxide ore collectors [ 3, 4 ].

Study on Chromaticity Removal from Mineral Processing ...
Study on Chromaticity Removal from Mineral Processing ...

composition of actual flotation ,wastewater,. The salicylic hydroxamic ,acid, concentration of the simulated ,wastewater, was 100 mg/L, sodium carbonate was added to adjust the pH to 8. The simulated ,wastewater, was sealed after mixing evenly, then exposed to natural light for about 10 days until the chromaticity gradually reached about 600. Salicylic

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