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Compound dephosphorization agent for 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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Compound dephosphorization agent for acid wastewater
Limestone for acid neutralization in Industrial Wastewater ...
Limestone for acid neutralization in Industrial Wastewater ...

The following depicts the neutralization of hydrochloric ,acid, by ,limestone,. CaCO 3 + 2HCl → CaCl 2 + CO 2 + H 2 O Due to the presence of other ,calcium, products in the ,limestone, chips typically used it is quite possible for ,limestone, to exert alakline influenes on the ,wastewater, stream up to and beyond a pH of 11.0, meaning that an upper pH limit of 9.0 cannot be guaranteed and can easily be ...

Calcium Carbonate as an Agent in Acid Mine Water ...
Calcium Carbonate as an Agent in Acid Mine Water ...

Calcium carbonate, in the neutralization ,of acid, mine water may be preferred to ,calcium, hydroxide or caustic soda due toits lower costs, production of higher density sludge easier to drain, more effective control of pH and lower probability of an overdose. Nevertheless, compared ,with calcium, hydroxide, ,calcium carbonate, manifests longer reaction ...

Chemical Treatment | Wastewater Treatment | Austro Water Tech
Chemical Treatment | Wastewater Treatment | Austro Water Tech

For acidic wastes (low pH) sodium hydroxide, sodium ,carbonate,, ,calcium carbonate, or ,calcium, hydroxide, may be added among other things. For alkali wastes (high pH) sulphuric ,acid, or hydrochloric ,acid, may be added. Acids can cause corrosion of equipment and care must be taken in choosing which ,acid, …

Passive Treatment Methods for Acid Water in Pennsylvania
Passive Treatment Methods for Acid Water in Pennsylvania

One aim of ,treatment, for ,acid,-impacted water is to increase alkalinity by dissolving substances ,with calcium carbonate, (CaCO 3), such as limestone, into the water. While many different substances can add alkalinity, ,calcium carbonate, is most often the major contributor in natural waters.

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