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What kind of alkali is added to treat 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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What kind of alkali is added to treat acid wastewater
Glutaraldehyde: behavior in aqueous solution reaction ...
Glutaraldehyde: behavior in aqueous solution reaction ...

Glutaraldehyde possesses unique characteristics that render it one of the most effective protein crosslinking reagents. It can be present in at least 13 different forms depending on solution conditions such as pH, concentration, temperature, etc. Substantial literature is found concerning the use of glutaraldehyde for protein immobilization, yet there is no agreement about the main reactive ...

Nitrogen and carbon dioxide fracturing fluids for the ...
Nitrogen and carbon dioxide fracturing fluids for the ...

Nitrogen and carbon dioxide fracturing fluids are particularly advantageous in depleted and shallow formations because they offer a non-damaging effect around the fracture, rapid cleanup of flowback fluid, and reduced water requirements compared to conventional water-based fracturing fluids.

Hydraulic Fracturing | EARTH 109 Fundamentals of Shale ...
Hydraulic Fracturing | EARTH 109 Fundamentals of Shale ...

These fluids are known as ,flowback, fluids and contain ,fracturing fluid, additives along with naturally occurring metals, salts, and radionuclides from the shale. For Marcellus shale wells, only about 5-10% of the volume of water that is pumped down the hole returns to the surface.

Environmental impact of hydraulic fracturing in the United ...
Environmental impact of hydraulic fracturing in the United ...

Flowback, is the portion of the injected ,fracturing fluid, that flows back to the surface, along with oil, gas, and brine, when the well is produced. An estimated 90% of ,flowback, in the United States is disposed of into deep EPA-licensed Class II disposal wells , with the remaining less than 10% reused, evaporated, used for irrigation, or discharged to surface streams under an NPDES permit.

Optimizing Water Management in Hydraulic Fracturing for ...
Optimizing Water Management in Hydraulic Fracturing for ...

Some drilling operators elect to re-use a portion of the wastewater to replace and/or supplement fresh water in formulating ,fracturing fluid, for a future well or re-,fracturing, the same well. Re-use of shale oil and gas wastewater is, in part, dependent on the levels of pollutants in the wastewater and the proximity of other ,fracturing, sites that might re-use the wastewater.

Annual Report (10-k) - Investors Hub
Annual Report (10-k) - Investors Hub

" ,Fracturing, " or " Frac "—The propagation of fractures in a rock layer by a pressurized ,fluid,. This technique is used to release petroleum and natural gas for extraction. " GAAP "—Generally accepted accounting principles in the United States.

Annual Report (10-k) - Investors Hub
Annual Report (10-k) - Investors Hub

HPR HighPoint Resources Corporation Annual Report (10-k) Proved reserves. The quantities of oil, natural gas and natural gas liquids, which, by analysis of geoscience and engineering data, can be estimated with reasonable certainty to be economically producible - from a given date forward, from known reservoirs, and under existing economic conditions, operating methods, and government ...

5 YEARS OF CO WATERLESS FRACTURING IN JILIN OILFIELD …
5 YEARS OF CO WATERLESS FRACTURING IN JILIN OILFIELD …

fluid, in 8 CO 2 waterless ,fracturing, wells is 630 m3, and the average daily oil production is 2.4t after ,fracturing, (Fig. 4). That is, in tight reservoirs, a unit volume of CO 2 oil production is equivalent to 2.4 unit volumes of water-based ,fracturing, liquid. (2) CO 2 waterless ,fracturing, can effectively realize CO 2 …

Optimizing Water Management in Hydraulic Fracturing for ...
Optimizing Water Management in Hydraulic Fracturing for ...

Some drilling operators elect to re-use a portion of the wastewater to replace and/or supplement fresh water in formulating ,fracturing fluid, for a future well or re-,fracturing, the same well. Re-use of shale oil and gas wastewater is, in part, dependent on the levels of pollutants in the wastewater and the proximity of other ,fracturing, sites that might re-use the wastewater.

Microbial Ecology of Hydraulic Fracturing: Implications ...
Microbial Ecology of Hydraulic Fracturing: Implications ...

Fracturing Fluid, contains 4-20 million liters of water mixed with sand and chemicals that protect well and optimize gas production. Produced Water returns to the surface and is stored prior to treatment and reuse, or disposal.

Optimizing Water Management in Hydraulic Fracturing for ...
Optimizing Water Management in Hydraulic Fracturing for ...

Some drilling operators elect to re-use a portion of the wastewater to replace and/or supplement fresh water in formulating ,fracturing fluid, for a future well or re-,fracturing, the same well. Re-use of shale oil and gas wastewater is, in part, dependent on the levels of pollutants in the wastewater and the proximity of other ,fracturing, sites that might re-use the wastewater.

A concept of hydraulic fracturing flowback treatment using ...
A concept of hydraulic fracturing flowback treatment using ...

The possibility of desalinated water production from hydraulic ,fracturing flowback, by electrodialysis reversal (EDR) was investigated. To simulate geochemical reactions of hydraulic ,fracturing fluid, with the formation rocks, ,fluid,-gas-rock reaction was performed in autoclave. Next, an EDR of hydraulic ,fracturing flowback, was simulated and the composition of diluate and concentrate was ...

Nitrogen and carbon dioxide fracturing fluids for the ...
Nitrogen and carbon dioxide fracturing fluids for the ...

With the International Energy Agency (IEA) projecting that the global demand for natural gas to increase by 50% from 2010 to 2035, the exploration of unconventional gas reserves (e.g. shale gas, tight gas and coal bed methane) will gain increasing importance as conventional gas reserves become more depleted. To enhance the production of unconventional gas and oil, water-based ,fracturing, fluids ...

Hydraulic Fracturing: Paving the Way for a Sustainable Future?
Hydraulic Fracturing: Paving the Way for a Sustainable Future?

Breakers, such as ammonium persulfate, are used in ,fracturing fluid,, to allow a delayed breakdown of the “crosslinker” and “gel” in the formation to reduce ,fracturing fluid, viscosity thereby enhancing postfracturing ,fluid, recovery and ,flowback, [12, 16].

Utilizing Produced Water as a New Water Resource
Utilizing Produced Water as a New Water Resource

produced water from oil wells or hydraulic ,fracturing flowback fluid, • Output of the facility 980 AF will increase to > 10,000AF/yr • Discharge to the upper basin of Colorado • Recovery of lithium from formation • Treatment of tight sands waters for discharge • Issues with silica and scale forming compounds

Sustainable Management of Flowback Water during Hydraulic ...
Sustainable Management of Flowback Water during Hydraulic ...

Optimal treatment processes will be identified, and acid mine drainage (AMD) water will be examined as a potential supplement to flowback water used for hydraulic fracturing. Researchers will also investigate the effects of barium sulfate (BaSO 4 ) precipitation on well surfaces and fracture spaces.

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