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The treatment method for acid wastewater is correct

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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The treatment method for acid wastewater is correct
Water and Wastewater Treatment Systems by Novel Integrated ...
Water and Wastewater Treatment Systems by Novel Integrated ...

In mining industries, the process combining ultrafiltration (UF) and reverse osmosis (RO) is widely applied for wastewater treatment, in which 80% of COD, more than 95% chroma and almost all the ferrous irons and bacteria can reject significantly.

Subject:
Subject: "ultrafiltration" / Subject: ultrafiltration ...

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Electro-flocculation pretreatment experiments of shale gas ...
Electro-flocculation pretreatment experiments of shale gas ...

1/8/2020, · As a physical method, ultrafiltration, coupling with the advanced membrane materials, has been applied in the treatment of complex wastewater systems such as drilling waste water. This method can produce an effluent with good quality, but its application is restricted by the frequent membrane cleaning due to membrane fouling.

Reduced fouling tendencies of ultrafiltration membranes in ...
Reduced fouling tendencies of ultrafiltration membranes in ...

1/3/2006, · Membrane biological reactors (MBRs) have a great future in the ,treatment, of ,wastewater,. MBRs have a smaller foot print when compared to conventional secondary ,treatment,, yet have better effluent quality, which includes the removal of pathogens. However, the efficiency and performance of MBRs is strongly hindered by membrane fouling.

SYSTEMS AND METHODS FOR TREATING OILFIELD WASTEWATER …
SYSTEMS AND METHODS FOR TREATING OILFIELD WASTEWATER …

The ,wastewater treatment, system of claim 1, wherein said ,wastewater treatment, system is a mobile ,wastewater treatment, system that comprises at least one mobile trailer or at least one movable skid, wherein each of said desanding hydrocyclone, said deoiling hydrocyclone, said electrocoagulation apparatus, said floc separator, and said ,ultrafiltration, membrane apparatus are mounted on said at …

CN103359867A - Method and device for fracturing flowback ...
CN103359867A - Method and device for fracturing flowback ...

The invention discloses a method and a ,device, for ,fracturing, flowback ,fluid treatment,. The ,device, comprises four basic technology units comprising a wellhead ,treatment, unit, a pretreatment unit, a membrane ,treatment, unit and an evaporation ,treatment, unit. Each of the units is skid-mounted. According to different properties ,of fracturing, flowback ,fluid,, the units are matched and assembled to ...

Resource Recovery and Reuse for Hydraulic Fracturing ...
Resource Recovery and Reuse for Hydraulic Fracturing ...

Recovery of natural gas and oil from unconventional (shale) reservoirs relies on horizontal drilling and hydraulic ,fracturing, to make it economical. Hydraulic ,fracturing, generates vast quantities of flowback and produced water (FPW) and its compn. exhibits huge spatial and …

Pilot study of oilfield wastewater treatment by micro ...
Pilot study of oilfield wastewater treatment by micro ...

After the ,treatment, by the micro-flocculation filtration ,device,, the relevant characteristics of the discharge ,wastewater, satisfied the latest standards continuously. Moreover, the polyaluminum chloride (PAC) dosage was reduced from 200 mg/L to 100 mg/L (50 mg/L in micro-flocculation ,device, and 50 mg/L in the cyclone reactor) at the same time.

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

EC is an attractive technology and has been used for treating different types of water and wastewater, such as surface water; tannery and textile wastewater; pulp and paper industry wastewater; oily wastewater; food industry wastewater; and other types of wastewater containing heavy metals, cyanide, and other contaminants .

Method of making pure salt from frac-water/wastewater ...
Method of making pure salt from frac-water/wastewater ...

In accordance with an embodiment of the present invention, a method for making pure salt comprises recapturing post-drilling flowback water from hydro-,fracturing,; removing oil from the flowback water (preseparation); filtering the flowback water using an ultra filter with a pore size of about 0.1 microns or less to remove solid particulates and large organic molecules, such as benzene, ethylbenzene, toluene, and xylene, from the water (,ultrafiltration,…

SYSTEMS AND METHODS FOR TREATING OILFIELD WASTEWATER …
SYSTEMS AND METHODS FOR TREATING OILFIELD WASTEWATER …

The wastewater treatment system of claim 1, wherein said wastewater treatment system is a mobile wastewater treatment system that comprises at least one mobile trailer or at least one movable skid, wherein each of said desanding hydrocyclone, said deoiling hydrocyclone, said electrocoagulation apparatus, said floc separator, and said ultrafiltration membrane apparatus are mounted on said at …

Produced Water Treatment Primer: Case Studies of Treatment ...
Produced Water Treatment Primer: Case Studies of Treatment ...

Pretreatment: ,Treatment, units before the main ,treatment, process which are necessary to remove compounds that are detrimental to the main ,treatment, process. Produced water: Water co-produced during oil and gas production. Proppant: Silica sand or particles included in ,fracturing fluid, used to keep fractures open and maintain permeability.

Hydraulic Fracturing for Oil and Gas: Impacts from the ...
Hydraulic Fracturing for Oil and Gas: Impacts from the ...

----- Appendix A- The EPA's Study of Hydraulic ,Fracturing, for Oil and Gas and Its Potential Impact on Drinking Water Resources Research project Description Citations/Notes Surface Water Modeling Modeling of concentrations of selected chemicals at public water supplies downstream from ,wastewater treatment, facilities that discharge treated hydraulic ,fracturing wastewater, to surface waters Weaver ...

Hydraulic Fracturing Wastewater Treatment by Coagulation ...
Hydraulic Fracturing Wastewater Treatment by Coagulation ...

Request PDF | Hydraulic ,Fracturing Wastewater Treatment, by Coagulation-Adsorption for Removal of Organic Compounds and Turbidity | Waters produced from ,fracturing, operations in the oil and gas ...

Method of making pure salt from frac-water/wastewater ...
Method of making pure salt from frac-water/wastewater ...

In accordance with an embodiment of the present invention, a method for making pure salt comprises recapturing post-drilling flowback water from hydro-fracturing; removing oil from the flowback water (preseparation); filtering the flowback water using an ultra filter with a pore size of about 0.1 microns or less to remove solid particulates and large organic molecules, such as benzene, ethylbenzene, toluene, …

Produced Water Treatment Primer: Case Studies of Treatment ...
Produced Water Treatment Primer: Case Studies of Treatment ...

Pretreatment: ,Treatment, units before the main ,treatment, process which are necessary to remove compounds that are detrimental to the main ,treatment, process. Produced water: Water co-produced during oil and gas production. Proppant: Silica sand or particles included in ,fracturing fluid, used to keep fractures open and maintain permeability.

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