Top Equipments




Popular searches

Treatment of acid lignite mine flooding water by means of ,

Basic flow sheet of the microbial sulfate reduction process for the decrease of sulfate and the separation of heavy metals of mine water For on-site testing a pilot plant with a fixed bed reactor diameter 15 m, height 22 m with a total volume of about 39 m 3 was constructed...

Know More

LITERATURE REVIEW OF TREATMENT TECHNOLOGIES TO ,

plant flow rate of 7,630 m3/day 1,400 US gallons per minute Although full-scale treatment of Although full-scale treatment of selenium is proven, it has not been demonstrated for flow rates typical of the Canadian mine sit...

Know More

Water treatment for mining industry

Veolia Water Technologies partners with exploration, engineering, and mining companies to provide mine water treatment solutions, from production of potable water or desalinated water in remote locations to process water and wastewater solutions for all types of hard and soft rock mining sit...

Know More

Bacterial Diversity in a Mine Water Treatment Plant ,

We investigated the microbial community in a pilot plant for treatment of acid mine water by biological ferrous iron oxidation using clone library analysis and calculated statistical parameters for further characterization The microbial community in the plant was conspicuously dominated by a group ....

Know More

Acid Mine Drainage Innovative Treatment Technologies

water treatments are modeled after wastewater treatment plants, which are machine intensive, chemical dependant, and require continuous operations and maintenance O M staff Traditional solid mine waste remediation tactics involve covering of piles and water diversion...

Know More

Water Plants Characteristic for Phytoremediation of Acid ,

Mine Drainage Passive Treatment Herniwanti 1 , PriatmadiJB2, Yanuwiadi , reaction of an increase in alkalinity with sulfate reducing bacteria and elimination of metal in the form of metal sulfide 2 conventional processing , plants water, water of acid mine drainage...

Know More

USING A NATURAL COAGULANT FOR TREATING ,

USING A NATURAL COAGULANT FOR TREATING WASTEWATER A M Abdelaal , the sewages are produced from oil refining, water mines, petrochemical plants, organics of synthesizing plants, coke-chemical etc contains different amounts , bentonite as a coagulant on treatment of the first mine-wastewater sample 0 10 20 0 40 50 60 70 80 90 100...

Know More

A REVIEW OF SULFATE REMOVAL OPTIONS FOR MINE WATERS

The accumulation of salts such as calcium sulfate in waters limits the number of cycles of reuse of water on a mine site and creates environ-mental problems if discharged Sayre, 1988 DWAF, 1989...

Know More

Copper Mine Water Treatment Miwatek

Miwatek is able to design and construct copper mine water treatment plants that can recover high quality drinking or discharge water from all of these different impacted waters These plants are able to accommodate both the quality and the quantity variations that typically occur over time and season by ,...

Know More

Questa Mine Water Treatment Design Parametrix

Parametrix worked collaboratively with Chevron Environmental Management Company and Energy Technology Corporation to develop a unique, patentable water treatment process that will meet NPDES discharge standards for the Red River and fulfill long-term goals for management of mine water treatment...

Know More

SULFATE REMOVAL FROM COAL MINE WATER IN WESTERN ,

sulfate to 250 mg/L in mine water containing 3000 mg/L at an average flow rate of 1000 gpm A common method for removing high concentrations of sulfate from water is ,...

Know More

Why is Copper Sulfate a Problem?

Copper Sulfate is No Longer the Standard Randy McIff, a water treatment expert at ATS Innova, discusses some of the issues with using copper sulfate to treat water...

Know More

From mercury to manoomin, sulfate causes ecological ,

As sulfate levels rise in the water and cause increasing sulfide in the sediments, it overwhelms the plants They are eventually replaced by a limited number ,...

Know More

Dewatering of Mine Drainage Sludge

Results of preliminary studies on split treatment of coal mine drain- age have shown that the proper combination of limestone and lime produces a good effluent and superior sludge properti 47,48 Current research on split treatment is being conducted by Wilmoth at EPA s Norton Mine Drainage Treatment Plant...

Know More

CHEMICAL STABILITY OF MANGANESE AND IRON IN MINE ,

The sludge generated from the treatment of acid mine drainage AMD is typically 1 disposed of in underground coal mines, 2 disposed of with coal refuse or coal mine spoil, or 3 permanently retained in ponds Ackman 1982, Moss 1971...

Know More

Bioremediation of Acid Mine Drainage Using Sulfate ,

Bioremediation of Acid Mine Drainage Using Sulfate-Reducing Bacteria , Bioremediation of Acid Mine Drainage Using Sulfate-Reducing Bacteria US EPA, 2004a A Mineral Policy Center estimate places the cost of reclaiming the worst , traditional waste water treatment plants, passive treatment systems often involve discrete components, or ....

Know More

Reduce Water Hardness and Sulfate Content

However, these treatment methods by themselves are no longer adequate as the mining industry and regulators usually call for a complete management solution that involves the complete treatment of the total water contaminants, the removal of the treatment products from the site, and the abatement of acidity and sulphate production...

Know More

Constructed Wetlands Passive Systems for Wastewater ,

treatment of other wastewater, including industrial, agricultural, acid mine drainage, storm water, landfill leachate, and urban and airport runoff This paper will summarize...

Know More

Reclaimed Flambeau mine

May 17, 2011 0183 32 Reclaimed Flambeau Mine While there are other examples of successfully operated and reclaimed metallic mines in Wisconsin, the Flambeau Mine near Ladysmith in Rusk County is the only example of a metallic mine that was permitted, constructed, operated and reclaimed under the state s existing regulatory framework...

Know More

Constructed Wetlands for Treating Acid Mine Drainage

Acid mine drainage occurs when sulfide oxidation in rock reacts with water and air creating hydroxide, sulfate, and hydrogen ions Durkin Hermann 1994 The mineral that is responsible , Plant roots will retain arsenic and other metals Sobolewski 1997 , The design of a constructed wetland for the treatment of acid mine drainage varies ....

Know More

The removal of sulfate and metals from mine waters using ,

Abstract A treatment process that bacterially converts sulfate into elemental sulfur via a hydrogen sulfide intermediate was demonstrated at pilot scale for the treatment of three mine waters that contained metals and sulfate...

Know More

Pipe Scale Study of Iron Mountain USGS California Water ,

As part of the remediation at Iron Mountain Mine being overseen by the US Environmental Protection Agency, a water treatment plant has been in operation since 1994 to neutralize the acid mine drainage AMD coming from the old min...

Know More

Sulfate Removal Technologies A Review

Apex Engineering has designed several relatively small-scale treatment systems for sulfate removal from mine water Table 2 The first three are packed bed systems with a continuous carbon source feed methanol or ethanol , while the last is a passive bioreactor...

Know More

Hydrogen Sulfide Gas in Wastewater

Corrosion of metal and concrete is a major issue associated with the generation and oxidation of hydrogen sulfide High amounts of sulfuric acid results from oxidation of hydrogen sulfide by Thiobacillus lowers the pH of wastewater and contributes to the deterioration of concrete and pipe corrosion 7...

Know More

A New Process For Sulfate Removal From Industrial Waters

Closed Gold Mine Water from a closed gold mine in Montana was also tested in CESR-process bench tests In reducing the sulfate concentration to approximately 30 mg/L, the total dissolved solids TDS concentration of this water was reduced from approximately 4400 mg/L to 1400 mg/L Table 2...

Know More

Mine water treatment with limestone for sulfate removal ,

1 Introduction Sulfate is a major anion occurring in both natural waters and industrial effluents, such as those of the chemical and metallurgical industries , , as well as in mine drainages either neutral or acid Compared with toxic metals, sulfate is only mildly hazardous...

Know More

10 Reasons Not to Use Copper Sulfate for Water Treatment

Treating Algae Blooms with Copper Sulfate Algae is one of the most common, and annoying, problems faced by water treatment plants and wastewater treatment plants...

Know More

Microbial Community Structure and Functions in Ethanol

We tested ethanol as substrate in bioreactors designed for biological sulfate removal from mine water containing up to 9 g L 1 sulfate, using granular sludge from an industrial waste water treatment plant...

Know More

Sulfate Ion Reducing Bacteria for Dilute Acid Mine Drainage

The procedure for treating dilute acid mine drainage and similarly polluted water needs to be changed The economic pressure is exacerbated by legislation which classifies as hazardous waste the precipitates from conventional lime treatment plants...

Know More

Remediation of Acid Mine Drainage

The formation of acid mine drainage AMD , a highly acidic and metal-rich solution, is the biggest environmental concern associated with coal and mineral mining Once produced, AMD can severely impact the surrounding ecosystem due to its acidity, metal ,...

Know More