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Adding calcium carbonate to acid wastewater

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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Adding calcium carbonate to acid wastewater
Neutralization Acid Mine Drainage (AMD) using NaOH at PT ...
Neutralization Acid Mine Drainage (AMD) using NaOH at PT ...

For this reason. neutralization of ,coal mine acid, water will be studied using technical NaOH and its effects on metal content. especially Fe and Mn. 2. METHOD Research methods to ,analysis, parameters in ,acid mine, drainage such as pH. Fe. Mn and Cd following Table 1. TABLE I. Parameters and methods for ,analysis acid mine, drainage

Potential reuse of coal mine wastewater: a case study in ...
Potential reuse of coal mine wastewater: a case study in ...

Coalmine effluent has always been of concern in ,wastewater, management. The ,wastewater, from coalmines often called ",Acid mine, drainage" (AMD) is formed in underground workings (groundwater) of deep mines, and usually has low pH, high specific conductivity, high concentrations of iron, aluminum, manganese, high

Effects of Coal-Mine Drainage on Stream Water Quality in ...
Effects of Coal-Mine Drainage on Stream Water Quality in ...

Acid mine drainage (AMD) from coal mining has been identified as the factor having the most widespread effect on water quality in the 2NATIONALWATER-QUALITYASSESSMENTPROGRAM Figure 1. Location of the study area, major cities, and streams in the Allegheny and Monongahela River Basins.

Acid Mine Drainage Status and Water Quality Parameter in ...
Acid Mine Drainage Status and Water Quality Parameter in ...

The biggest environmental challenge facing the ,coal, industry is the issue of greenhouse gases and ,acid, rain. The aim of this project is to investigate the water ,quality, parameter in relation to ,acid mine, drainage for the Indian ,coal, fields that includes possibilities for control, minimization and optimal feasibility for the implementation of control method.

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