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Current situation of fracturing fluid flowback in Shengli Oilfield

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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Current situation of fracturing fluid flowback in Shengli Oilfield
Removing dissolved phosphorus from drainage ditch water ...
Removing dissolved phosphorus from drainage ditch water ...

Alum (aluminum ,sulfate,) Al ,Ferric sulfate, Fe ,Ferric, chloride Fe Byproducts Calcium silicate slag Ca Cement kiln dust Ca Wood ash Ca Paper mill lime Ca Fly-ash (coal fired) Ca, Fe, Al: varies Drinking water treatment residuals Al > Fe, Ca Paper mill sludge Al, Ca ,Acid, mine drainage residuals Fe > Al, Ca: varies Bauxite mining waste Al, Fe > Ca

Insight into mineralizer modified and tailored scorodite ...
Insight into mineralizer modified and tailored scorodite ...

consisting of a ,ferric sulfate, solution was mixed with an arsenic solution at an Fe/As mole ratio of 2.0 under the same condi- ... ,elements, for solid precipitates in the last ltrate were detected, and nally, ... of a buffered acetic ,acid, solution at pH ¼ 4.93 0.05 and a solid-to-liquid ratio of 1 : 20 (w/v).

Insight into mineralizer modified and tailored scorodite ...
Insight into mineralizer modified and tailored scorodite ...

The ambient air was used as an oxidizing agent. Additionally, a control group consisting of a ,ferric sulfate, solution was mixed with an arsenic solution at an Fe/As mole ratio of 2.0 under the same conditions. The washing steps (pre-treatment) of the solids before they underwent TCLP tests were as follows.

Comparing Ferric Sulfate With Ferrous Sulfate | Sewage ...
Comparing Ferric Sulfate With Ferrous Sulfate | Sewage ...

for ,Wastewater, Treatment ,Ferric Sulfate, and Ferrous ,Sulfate, are both commonly used for municipal and industrial ,wastewater, treatment. These salts are used as coagulants or flocculants, for odor control to minimize hydrogen sulfide release, for phosphorus ,removal,, and as a sludge thickening, conditioning and dewatering agent.

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