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Thursday, July 16, 2020 | History

2 edition of Neutralization of high ferric iron acid mine drainage found in the catalog.

Neutralization of high ferric iron acid mine drainage

Roger C. Wilmoth

Neutralization of high ferric iron acid mine drainage

by Roger C. Wilmoth

  • 336 Want to read
  • 9 Currently reading

Published by U.S. Federal Water Quality Administration; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] in [Washington] .
Written in English

    Subjects:
  • Acid mine drainage.,
  • Water -- Purification -- Lime-soda ash process.,
  • Neutralization (Chemistry)

  • Edition Notes

    Statementby Roger C. Wilmoth and Ronald D. Hill.
    SeriesWater pollution control research series
    ContributionsHill, Ronald D., joint author., United States. Federal Water Quality Administration.
    Classifications
    LC ClassificationsTD899.M5 W5
    The Physical Object
    Paginationiv, 38 p.
    Number of Pages38
    ID Numbers
    Open LibraryOL4855039M
    LC Control Number75610648

    Lawrence, R. W., & Wang, Y. (). Determination of Neutralization Potential in the Prediction of Acid Rock Drainage. Proceedings of 4th International Conference on Acid Rock Drainage, Vancouver, has been cited by the following article. Pathways for acid rock drainage from an abandoned mining site (sulphidic ore) were investigated by analysing ground, seepage and surface waters. It was found that in affected ground and seepage waters pH was lower (average pH ); sulphate higher (average mg/L) and trace element concentrations were significantly increased ( μg/L copper and μg/L zinc) compared to surrounding : Mattias Bäckström, Lotta Sartz.

      Thomas RC, Romanek CS () Passive treatment of low-pH, ferric iron-dominated acid rock drainage in a vertical flow wetland II: metal removal. In: Proc. of the National Meeting of the ASMR, June 9–13, Lexignton KY, USA, pp − Google ScholarCited by: 9. This banner text can have markup.. web; books; video; audio; software; images; Toggle navigation.

      Passive-treatment systems that route acidic mine drainage (AMD) through crushed limestone and/or organic-rich substrates have been used to remove the acidity and metals from various AMD sources, with a wide range of effects. This study evaluates treatment of net-acidic, oxic, iron-laden AMD with limestone alone, and with organic-rich compost layered with the limestone. In the fall of Cited by: alternative treatment systems for the neutralization of acid mine drainage. Science of the total environment, Luis AT., Teixeira P., Almeida SFP., Ector L., Matos JX., & Ferreirra da Silva EA (). Impact of Acid Mine Drainage (AMD) on Water Quality, Stream Sediments and Periphytic Diatom Communities in the Surrounding streams of.


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Neutralization of high ferric iron acid mine drainage by Roger C. Wilmoth Download PDF EPUB FB2

Get this from a library. Neutralization of high ferric iron acid mine drainage. [Roger C Wilmoth; Ronald D Hill; United States. Federal Water Quality Administration.]. Acid mine drainage, which can have pH values as low as − (Nordstrom et al., ), can contain high concentrations of many solutes, including iron and arsenic.

The highest reported arsenic concentration, ×10 5 μg L −1, was found in an acid seep in the Richmond mine, California. Acid mine drainage, acid and metalliferous drainage (AMD), or acid rock drainage (ARD) is the outflow of acidic water from metal mines or coal mines.

Acid rock drainage occurs naturally within some environments as part of the rock Neutralization of high ferric iron acid mine drainage book process but is exacerbated by large-scale earth disturbances characteristic of mining and other large construction activities, usually within rocks.

Acid mine drainage (AMD) is typically characterized by low pH and high dissolved iron. The acid mine drainage may also contain high amounts of CO2 which forms carbonic acid and further depresses the pH.

There are four chemical reactions that represent the chemistry of pyrite weathering to. The phases and stability of ferric iron products formed early during neutralization of acid mine drainage waters remain largely unknown.

In this work, we used in situ and time-resolved quick-scanning X-ray absorption spectroscopy and X-ray diffraction to study products formed between 4 min and 1 h after ferric iron sulfate solutions were partially neutralized by addition of NaHCO3 ([HCO3 Cited by: An Appraisal of Neutralization Processes to Treat Coal Mine Drainage.

EPA /, Novemberp. Wilmoth, R.C., and R.D. Hill. Neutralization of High Ferric Iron Acid Mine Drainage. Federal Water Quality Administration, August 6. Kennedy, J.L. Sodium Hydroxide Treatment of Acid Mine Drainage. @article{osti_, title = {Limestone and lime neutralization of ferrous iron acid mine drainage.

Final report, January January }, author = {Wilmoth, R.C.}, abstractNote = {The U.S. Environmental Protection Agency conducted a 2-yr study on hydrated lime and rock-dust limestone neutralization of acid mine drainage containing ferrous iron at the EPA Crown Mine Drainage Control.

Wilmoth, Roger C., and Hill, Ronald D., "Neutralization of High Ferric Iron Acid Mine Drainage," Water Pollution Control Research Series, ETV 08/70, U. Department of the Interior, Federal Water Quality Administration (August ).

Efficient synthesis of biogenic secondary iron minerals facilitated by A. ferrooxidans is of important engineering significance in the treatment of acid mine drainage (AMD), a typical iron-and. Request PDF | The Behavior of Iron and Aluminum in Acid Mine Drainage | This chapter focuses on the behavior of iron (Fe) and aluminum (Al) in acid mine drainage (AMD) and discusses their.

ABSTRACT. Acid drainage influence on the water and sediment quality was investigated in a coal mining area (southern Brazil). Mine drainage showed pH between and and elevated concentrations of sulfate, As and metals, of which, Fe, Mn and Zn exceeded the limits for the emission of effluents stated in the Brazilian legislation.

The phases and stability of ferric iron products formed early during neutralization of acid mine drainage waters remain largely unknown. In this work, we used in situ and time-resolved quick-scanning X-ray absorption spectroscopy and X-ray diffraction to study products formed between 4 min and 1 h after ferric iron sulfate solutions were partially neutralized by addition of NaHCO 3 ([HCO 3.

Acid mine drainage, acid and metalliferous drainage (AMD), or acid rock drainage (ARD) refers to the outflow of acidic water from metal mines or coal mines.

Acid rock drainage occurs naturally within some environments as part of the rock weathering process but is exacerbated by large-scale earth disturbances characteristic of mining and other large construction activities, usually within.

TIFs have been, until now, the subject of little scientific attention. The most remarkable studies available in the literature have been focused on the acid mine drainage systems of the Carnoulés Pb-Zn mine, France (Leblanc et al., ; Casiot et al., ) and the Green Valley coal mine, Indiana, USA (Brake et al., ; Hasiotis et al., ).Cited by: By: Michael C.

Moncur Introduction Canada is one of the world's leading producers of economic minerals. The mining of base and precious metals results in the production of immense quantities of waste rock, mill tailings, and waste related to refining processes.

The generation of acid mine drainage (AMD) and release of water containing elevated concentrations of metals from.

The projected neutralization plant to develop treatment for neutral mine drainage water that contained a fairly normal pH around 6 but contained high amount of heavy metals at the concentrations in the cycling slime waters over mg/lt Fe and over 45 mg/lt Zn higher Pb and Cd and other contaminants that needed to be removed in order to Author: Yıldırım İsmail Tosun.

Sulphidic mine tailings are among the largest mining wastes on Earth and are prone to produce acid mine drainage (AMD).

The formation of AMD is a sequence of complex biogeochemical and mineral dissolution processes. It can be classified in three main steps occurring from the operational phase of a tailings impoundment until the final appearance of AMD after operations ceased: (1) During the Cited by: Filamentous hydrous ferric oxide biosignatures in a pipeline carrying acid mine drainage at Iron Mountain Mine, California.

A pipeline carrying acidic mine effluent at Iron Mountain, CA, developed Fe(III)-rich precipitate caused by oxidation of Fe(II)aq. The native microbial community in the pipe included filamentous microbes. Acid mine drainage (AMD) is a pollutant that arises from exposure of metal sulphide minerals such as the abundantly available pyrite (FeS 2) to oxygen and water during the mining of metals and coals [1, 2].Pyrite undergoes oxidation in a series of reactions, the first stage (trigger) of which results in production of sulfuric acid and ferrous sulfate as provided in by: 1.

Iron 2-plus is known as ferrous iron, and the more oxidized version is called ferric iron here shown in orange. And they’re pretty important differences. We need to understand iron chemistry in detail to really understand acid mine drainage.

The review cited some bibliogrphies such as the abstract series on coal mine drainage prepared annually since by Bituminous Coal Research, Inc. The treatment of acid mine drainage was discussed, the most common method being lime neutralization.

If limestone .The objective of this research was to determine how various factors influence the solubility of iron and manganese in mine drainage treatment sludge. Sludge samples from the field and laboratory-generated sludge samples were used for this study.

The sludge collected in the field was subjected to lower pH conditions by sulfuric acid titration within one hour of precipitation and after one, two, Cited by: 9.Leviathan Mine is a United States superfund site (CERCLIS ID: CAD) at an abandoned open-pit sulfur mine located in Alpine County, mine is located on the eastern slope of the Sierra Nevada at about 7,foot (2, m) elevation, 6 miles ( km) east of Markleeville and 24 miles (39 km) southeast of Lake mine site comprises approximately acres ( ha) of CDP: Markleeville.