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Acidity of 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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Acidity of acid wastewater
Method for recovering hydrocarbon fluids using a hydraulic ...
Method for recovering hydrocarbon fluids using a hydraulic ...

A method for recovering and treating hydrocarbon fluids using a hydraulic ,fracturing, process wherein a ,fluid, stream containing liquid or gaseous hydrocarbon species or both, produced water, suspended solids, and dissolved contaminants is recovered from a well.

Membranes | Free Full-Text | Electrodialysis Applications ...
Membranes | Free Full-Text | Electrodialysis Applications ...

This paper presents a comprehensive review of studies on electrodialysis (ED) applications in wastewater treatment, outlining the current status and the future prospect. ED is a membrane process of separation under the action of an electric field, where ions are selectively transported across ion-exchange membranes. ED of both conventional or unconventional fashion has been tested to treat ...

Technique for the Removal of Organics and Dissolved Solids ...
Technique for the Removal of Organics and Dissolved Solids ...

The fracking ,fluid, is a mixture of freshwater, chemical additives, and proppant (typically sand). 2-4 million gallons of this ,fluid, are required for each fracking site and almost all of this ,fluid, is returned to the surface as ,flowback, water. Additionally, produced water begins to seep from the well as the fracking continues.

Industrial processes - Essential Chemical Industry
Industrial processes - Essential Chemical Industry

This fracking ,fluid, is called slickwater. The sand (or other solid materials) are called proppants and are added to prop open the fractures that form under pressure. They are deposited in the fractures to keep them from closing up thereby ensuring that gas and oil can continue to flow freely out of rock fractures even after pumping pressure is released.

Pretreatment of shale gas drilling flowback fluid (SGDF ...
Pretreatment of shale gas drilling flowback fluid (SGDF ...

1/6/2017, · The fracturing fluid that mainly consist water with sand and chemical reagents (e.g., surfactants, chelating agent and biocides) is injected into the producing formation at high pressure, which could form fissures to release natural gas from rock pores during hydraulic fracturing process. About 70% of this fluid is returned to the surface after the fracturing process.

An Experimental Study on Biological Treatment of ...
An Experimental Study on Biological Treatment of ...

The EB Series bacteria screened from the oilfield ,fracturing fluid, can effectively degrade the macromolecule and organic pollutants in ,fracturing fluid,.We study on the influence of the shaking time,temperature,inoculum amount,bacteria mixed rate on COD removal rate ,of fracturing fluid,.The results show that: in better application condition with 48h shaking,25℃,inoculum amount 10%,mixed …

Marcellus Shale Natural Gas Development & Production
Marcellus Shale Natural Gas Development & Production

Produced water during frac ,flowback, process collected and stored in holding tanks onsite Produced water pumped from the tanks through 20-micron filter Filtered ,fluid, is pumped into a clean storage tank Prior to re-use in frac, the water is tested for remaining chlorides not removed in filtration process

Water | Free Full-Text | Treatment of Produced Water in ...
Water | Free Full-Text | Treatment of Produced Water in ...

Hydraulic ,fracturing, is a highly water intensive process that requires cross-linked gel fluids for vertical wells and slick-water fluids for horizontally drilled wells. The cross-linked gel ,fluid, usually has a high viscosity to transport sand, ceramics, and other proppant materials to induce fractures in the formation.

ORIGINOIL’S EWS PETRO “CLEAN-FRAC”
ORIGINOIL’S EWS PETRO “CLEAN-FRAC”

2. How is “frac ,flowback,” different from produced water? Hydraulic ,fracturing, (“fracking”) is the injection of about two million gallons of water and chemicals at a time into a well, to open up the gas or oil trapped in shale deep below. This one-time injection is called a “frac job”. A well may require up to 40 frac jobs.

ElectroPure Technology
ElectroPure Technology

ElectroPure Flowchart. • Oil removal capacity of less than 5ppm using diffused air floatation and coalescing media. • Removal of hydrocarbons allows for more effective and efficient treatment of waste water. Oil/Water Separation. Oil/Water Separation. Electrocatalytic Oxidation. • Electrolytic cells are the heart of the ElectoPure system.

Marcellus Shale Natural Gas Development & Production
Marcellus Shale Natural Gas Development & Production

Produced water during frac ,flowback, process collected and stored in holding tanks onsite Produced water pumped from the tanks through 20-micron filter Filtered ,fluid, is pumped into a clean storage tank Prior to re-use in frac, the water is tested for remaining chlorides not removed in filtration process

Organic Pollutants in Shale Gas Flowback and Produced ...
Organic Pollutants in Shale Gas Flowback and Produced ...

A mixture of the fracturing fluid and formation water, generally known as flowback water, returns to the surface within several days after fracturing with the daily flows sometimes exceeding 1000 m 3.

ORIGINOIL’S EWS PETRO “CLEAN-FRAC”
ORIGINOIL’S EWS PETRO “CLEAN-FRAC”

2. How is “frac ,flowback,” different from produced water? Hydraulic ,fracturing, (“fracking”) is the injection of about two million gallons of water and chemicals at a time into a well, to open up the gas or oil trapped in shale deep below. This one-time injection is called a “frac job”. A well may require up to 40 frac jobs.

DESWATER
DESWATER

Experimental study of treatment processes for shale gas ,fracturing flowback fluid, in the eastern Sichuan Basin 57/51(2016)24299-24312 DOI: Received:09/09/2015; Accepted: 10/01/2016; Abstract (9877 downloads) Full Text (1291 downloads)

Technique for the Removal of Organics and Dissolved Solids ...
Technique for the Removal of Organics and Dissolved Solids ...

The fracking ,fluid, is a mixture of freshwater, chemical additives, and proppant (typically sand). 2-4 million gallons of this ,fluid, are required for each fracking site and almost all of this ,fluid, is returned to the surface as ,flowback, water. Additionally, produced water begins to seep from the well as the fracking continues.

Industrial processes - Essential Chemical Industry
Industrial processes - Essential Chemical Industry

This fracking fluid is called slickwater. The sand (or other solid materials) are called proppants and are added to prop open the fractures that form under pressure. They are deposited in the fractures to keep them from closing up thereby ensuring that gas and oil can continue to flow freely out of rock fractures even after pumping pressure is released.

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