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Chemicals used to neutralize the acidity of industrial 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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Chemicals used to neutralize the acidity of industrial wastewater
A SIMPLE METHOD FOR THE DETERMINATION OF NITRATE IN ACIDIC …
A SIMPLE METHOD FOR THE DETERMINATION OF NITRATE IN ACIDIC …

In order to assess the recovery degree of ,nitrate, in artifi-cial acid mixtures with high content of Fe(III), solutions containing different concentration of ,nitrate, were pre-pared as follows: Fe(III) concentration was 20-24 mg. L-1, the concentration of ,nitrate, varied from …

Direct Treatment of an Acidic and High‐Strength Nitrate ...
Direct Treatment of an Acidic and High‐Strength Nitrate ...

Continuous experiments were carried out by feeding a synthetic ,wastewater, containing ,nitrate, and binary heavy metal ions (copper and lead) at different loads and current densities. Acetate was added at 1.0 of C/N mass ratio which was less than the stoichiometric amount for the overall denitrification reaction.

What Are the Causes of High Nitrates & Nitrites in Wastewater?
What Are the Causes of High Nitrates & Nitrites in Wastewater?

Why Removal is Essential. If nitrates and nitrites are not removed, discharge of the incompletely treated ,wastewater, will cause excess algae growth in rivers and streams. This excess algae depletes oxygen, resulting in the death of fish and other important organisms, as well as odor problems.

Wisniewska G. and Winnicki T. (1985) Removal of Nitrate ...
Wisniewska G. and Winnicki T. (1985) Removal of Nitrate ...

Wisniewska, G. and Winnicki, T. (1985) Removal of ,Nitrate, Ions ,Acidic Wastewater, by Donnan Dialysis Involving Tabular Exchange Membranes. Desalination, 56,161-173.

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