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Neutralization of acid wastewater by hydrogen sulfate

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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Neutralization of acid wastewater by hydrogen sulfate
Biocides in Hydraulic Fracturing Fluids: A Critical Review ...
Biocides in Hydraulic Fracturing Fluids: A Critical Review ...

Biocides in Hydraulic ,Fracturing, Fluids: A Critical Review of Their Usage, Mobility, Degradation, and Toxicity

CN103910449A - Fracturing flow-back fluid treatment device ...
CN103910449A - Fracturing flow-back fluid treatment device ...

The invention discloses a ,fracturing, flow-,back fluid treatment, device, belonging to an oilfield wastewater ,treatment, device. The ,fracturing, flow-,back fluid treatment, device comprises a sewage lift pump, wherein a water outlet branch of the sewage lift pump is communicated with a ,fluid, inlet of an inclined-tube oil removal and sand setting device, an oil removal inclined-tube …

Summary of the Technical Workshop on Wastewater Treatment ...
Summary of the Technical Workshop on Wastewater Treatment ...

Summary of Water Flow Rates during ,Flowback, and Produced Water Periods Water Category Average Maximum Typical ,Fracturing, Injection Water (gallons) 520,0000 9,000,000 6,500,000 ,Flowback, Water in First 1-3 Weeks % of Water Injected 8.9% 20.0% 10.0% ,Flowback, Cumulative 360,000 780,000 650,000 Produced Water (gpd/days to 1 mil gal) 21 days to 50 days 3652/273 12,713 6,300/ 158 50 days to 250 …

Polyacrylamide degradation and its implications in ...
Polyacrylamide degradation and its implications in ...

7/9/2018, · High molecular weight (106–3 × 107 Da) ,polyacrylamide, (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a …

Stepan Company - Onscope
Stepan Company - Onscope

Flowback, aid mixtures and oil-in-water microemulsions produced by combining an aqueous brine with the ,flowback, aid mixtures are disclosed. The ,flowback, aid mixture comprises an oil, a fatty alcohol ethoxylate, and a quaternized fatty amine ethoxylate. The amount of oil is less than or equal to 12 wt.% based on the amount of ,flowback, aid mixture.

THESIS FRAC FLOWBACK WATER BLENDING AND TREATMENT ...
THESIS FRAC FLOWBACK WATER BLENDING AND TREATMENT ...

Typically, some volume ,of fracturing fluid, is retained in wells; further, portions of ,flowback, fluids might be injected into disposal wells. Produced water must be treated to meet recycled water quality requirements. In this study, coagulation/filtration, softening/clarification, and

Fracking Water: It’s Just So Hard to Clean
Fracking Water: It’s Just So Hard to Clean

4/10/2013, · ,Flowback, water (which literally “flows back” during the fracking process) is a mixture of fracking ,fluid, and formation water (i.e., water rich in brine from the targeted shale gas-rich rock).

Journal of Water Process Engineering Journal Impact IF ...
Journal of Water Process Engineering Journal Impact IF ...

Biologically active filtration ,for fracturing flowback, and produced water treatment: Luxin Li · Zhimin Sun · Ruijian Zhang · Ruijian Zhang Modification of Gambier extracs as green inhibitor of calcium carbonate (CaCO3) scale formation: P Maharaja · Mahesh M · C Chitra · D Kalaivani · R Srividya · Swarnalatha S · G. Sekaran · G. Sekaran

CN104724860A - Fracturing flow-back fluid treatment method ...
CN104724860A - Fracturing flow-back fluid treatment method ...

The invention discloses a ,fracturing flow-back fluid treatment, method. The ,treatment, method comprises the following steps: pretreating: adding a certain amount of flocculant and emulsion breaker in the ,flow-back fluid, to perform flocculation oil removing, and filtering; oxidizing: adding a certain amount of oxidant in the pre-treated effluent to perform the oxidation ,treatment,; flocculating ...

Polyacrylamide degradation and its implications in ...
Polyacrylamide degradation and its implications in ...

7/9/2018, · Freedman, D. E. et al. Biologically active filtration ,for fracturing flowback, and produced water treatment. J. Water Process Eng. 18, 29–40 (2017). Article Google Scholar 130.

Hazardous waste treatment technologies - Wang - 2019 ...
Hazardous waste treatment technologies - Wang - 2019 ...

Kong, Sun, et al. investigated the desalination of shale‐gas ,fracturing flowback, water (SGFFW) by the nanofiltration (NF) and reverse osmosis (RO) process. Results showed RO exhibited higher Na + and Cl − ion removal efficiency than NF.

CN104724860A - Fracturing flow-back fluid treatment method ...
CN104724860A - Fracturing flow-back fluid treatment method ...

The invention discloses a ,fracturing, flow-,back fluid treatment, method. The ,treatment, method comprises the following steps: pretreating: adding a certain amount of flocculant and emulsion breaker in the flow-,back fluid, to perform flocculation oil removing, and filtering; oxidizing: adding a certain amount of oxidant in the pre-treated effluent to perform the oxidation ,treatment,; …

Polyacrylamide degradation and its implications in ...
Polyacrylamide degradation and its implications in ...

7/9/2018, · High molecular weight (106–3 × 107 Da) ,polyacrylamide, (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a …

Sulfide Generation by Dominant Halanaerobium ...
Sulfide Generation by Dominant Halanaerobium ...

Halanaerobium, WG8 was incubated in liquid ,medium, described above with alterations of Na 2 S 2 O 3 ⋅ 5H 2 O at 1 mM and no cysteine-HCl. Cells in this ,medium, were incubated for 10 days at 40°C in the dark. Sulfide production was tracked by using 72 individual anaerobic ,Halanaerobium, enrichments set up with the liquid ,medium, described above.

HYDRUS TECHNOLOGY FRACTURE STIMULATION FLOWBACK …
HYDRUS TECHNOLOGY FRACTURE STIMULATION FLOWBACK …

of the well and is known as, flowback fluid., This, flowback, contains a large component of, fracing fluid, mixed with brine formation water from the rock and requires, treatment, or disposal. Large scale hydraulic, fracturing, is now creating new demands, challenges and constraints for the use, supply,, treatment, and disposal of, flowback water, that returns from the well during, fracing., The

Oil and Gas Production Wastewater: Soil Contamination and ...
Oil and Gas Production Wastewater: Soil Contamination and ...

Clean up cement and drilling mud before ,fracturing fluid, is injected and clear the path through the formation. Used later to dissolve minerals and clays to reduce clogging, allowing gas to flow to the surface: Hydrochloric acid

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