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acidification fracturing flow-back fluids discharge symptoms

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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acidification fracturing flow-back fluids discharge symptoms
Final Report | Developing a Vacuum Distillation - Acid ...
Final Report | Developing a Vacuum Distillation - Acid ...

Vacuum, thermal stripping coupled with ,acid, absorption is an innovative process to efficiently remove ammonia from digestate and ammonia-rich ,wastewater,. The best practical boiling point for ammonia recovery is at temperature 65°C and ,vacuum, pressure 25–28 kPa. By controlling sulfuric ,acid concentration, in the absorption solution at 2–4 ...

2.4. Gasification Process Aqueous Effluents/Wastewater ...
2.4. Gasification Process Aqueous Effluents/Wastewater ...

The ,concentration, level of specific contaminants depends upon the fuel characteristics and the type of gasifier employed in the design. ... Dissolved gases are driven from the water via flashing (sometimes under ,vacuum,) ... The alternative solution that was chosen is treatment of the ,wastewater, by evaporation ,and crystallization, using ...

Frontiers | Two-Stage Crystallization Combining Direct ...
Frontiers | Two-Stage Crystallization Combining Direct ...

When the succinic ,acid concentration, of succinic ,acid, was <100 g/L, the yield of cooling succinic ,acid crystallization, increased as the succinic ,acid concentration, increased . Glucose and protein were noted to have no influence on the recovery rate of succinic ,acid, (Figures 3B,C), consistent with the results of Wang et al. (2014).

Recent Progress in Materials | Potential of Wastewater ...
Recent Progress in Materials | Potential of Wastewater ...

The authors recommended applying a sequence of membrane technologies, such as ,vacuum, distillation, freeze, drying, and melt ,crystallization,, to recover value-added compounds from olive mill ,wastewater,. Table 4 Sucrose content (mg·L –1) in the ,wastewater, fractions from the alkaline and acidic protein extractions from faba bean and pea.

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