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Background of fracturing flowback fluid treatment

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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Background of fracturing flowback fluid treatment
Acid neutralization within limestone sand reactors ...
Acid neutralization within limestone sand reactors ...

Abstract Pulsed bed treatment ,of acid, mine drainage (AMD) uses CO2 to accelerate ,limestone, dissolution and intermittent fluidization to abrade and carry away metal hydrolysis products. Tests conducted with a prototype of 60L/min capacity showed effective removal of H+ acidity over the range 196–584mg/L (CaCO3) while concurrently generating surplus ,acid neutralization, capacity.

Acid mine drainage remediation strategies: A review on ...
Acid mine drainage remediation strategies: A review on ...

The most common short-term approach to AMD treatment is migration control, such as ,acid neutralization, and metal/metalloid and sulfate removal, through the addition of alkaline materials, including lime (Ca (OH) 2), ,limestone, (Ca CO 3), gangue minerals and industrial wastes.

Research Question: What is the effect of the acid ...
Research Question: What is the effect of the acid ...

weak ,acid, does not completely dissociate, which means it is a reversible reaction, whereas a strong ,acid, dissociation is considered a complete reaction: CH 3 COOH(aq) + H 2 O(l) ⇌ H 3 O+(aq) + CH 3 CHOO-(aq) HClO 4 (aq) + H 2 O(l) H 3 O+(aq) + ClO 4-(aq) Lastly, another factor that affects the strength of acids is the number potential hydronium ions

Design Manual Neutralization Of Acid Mine Drainage
Design Manual Neutralization Of Acid Mine Drainage

Limestone, + Strong ,Acid, ->- Gypsum + Carbonic ,Acid, CaC03 + H2SOif •> CaSO^ + H2C03 (6) 3CaC03 + Fe2(SO.l)3 + 6H20 + 2CaS04 + 2Fe(OH)3 + 3H2C03 (7) 3CaC03 + A12 (SO^Ja + 6H20 + 3CaSO^ + 2A1(OH)3 + 3H2C03 (8) The effervescent reaction, or release of carbon dioxide, from ,limestone, neu- tralization is not so obvious with ,acid, mine drainage as with stronger acids, but it does occur.

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