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Treatment of acid mine wastewater by lime neutralization process

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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Treatment of acid mine wastewater by lime neutralization process
Nitrate Removal From Wastewaters by Ion Exchange
Nitrate Removal From Wastewaters by Ion Exchange

----- ,NITRATE REMOVAL, FROM WASTEWATERS BY ION EXCHANGE by The Dow Chemical Company Walnut Creek, California 94598 for the WATER QUALITY OFFICE ENVIRONMENTAL PROTECTION AGENCY Project #17010 FSJ Contract #14-12-808 January, 1971 Tor sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 2M02 - Price $1

Mine Water Treatment | Veolia Water Technologies
Mine Water Treatment | Veolia Water Technologies

Acid, Mine Drainage Operating mines, as well as abandoned mine sites, generates ,acid, mine drainage which requires water treatment to prevent adverse impacts to rivers and streams. Veolia has developed a proprietary process known as DenseSludge™ to reduce sludge management costs and improve treatment plant operating efficiency.

(PDF) Nitrate removal from water using alum and ferric ...
(PDF) Nitrate removal from water using alum and ferric ...

Both reactions boosted removal efficiency and kinetics around 3.5 times more than that by ordinary pristine nano-Fe0 alone, i.e. ,nitrate, removal time was reduced from one hour to 20min.

CHEMICAL DENITRIFICATION OF NITRATE FROM …
CHEMICAL DENITRIFICATION OF NITRATE FROM …

CHEMICAL DENITRIFICATION ,OF NITRATE, FROM GROUNDWATER VIA SULFAMIC ,ACID, AND ZINC METAL *A. Sabzali, M. Gholami, A. R ... and the ,nitrate removal, rate changed rapidly when pH value ranged between 3-4. ... so the application of this process for the ,underground, water resources with high ,sulfate, and chloride ion concentrations is limited.

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