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How to neutralize 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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How to neutralize acid wastewater
Application of an integrated dissolved ozone flotation ...
Application of an integrated dissolved ozone flotation ...

The ,fracturing, wastewater (FWW) comes mainly from the ,fracturing fluid, that flows back to the surface from the wellbore during the ,fracturing, process (Shih et al. 2015). Hydraulic ,fracturing, is a technique used to extract oil or natural gas from impermeable host rocks, which involves horizontal drilling into rock formations and injection of high-pressure ,fracturing fluid, ( Williams et al. 2017 ; Schultz et al. 2020 ).

Biocides in Hydraulic Fracturing Fluids: A Critical Review ...
Biocides in Hydraulic Fracturing Fluids: A Critical Review ...

A portion of the frac ,fluid, remains in the formation after the ,fracturing, process is complete, which could potentially contribute to deleterious microbially induced processes in natural gas wells. Here, we report on the geochem. and microbiol. properties of frac and ,flowback, waters from two newly drilled natural gas wells in the Barnett Shale in North Central Texas.

Purification of flowback fluids after hydraulic fracturing ...
Purification of flowback fluids after hydraulic fracturing ...

ABSTRACT Hydraulic ,fracturing, is a process that is used for the stimulation of impermeable rocks in order to release the trapped natural gas. ,Flowback fluid, contains many different chemical ingredients used in the ,fracturing, process; it also holds compounds leached from the bedrock. The production of a large amount of toxic fluids leads to the necessity of purification for recycling to reduce ...

Biocides in Hydraulic Fracturing Fluids: A Critical Review ...
Biocides in Hydraulic Fracturing Fluids: A Critical Review ...

A portion of the frac ,fluid, remains in the formation after the ,fracturing, process is complete, which could potentially contribute to deleterious microbially induced processes in natural gas wells. Here, we report on the geochem. and microbiol. properties of frac and ,flowback, waters from two newly drilled natural gas wells in the Barnett Shale in North Central Texas.

Oxidative removal of recalcitrant organics in shale gas ...
Oxidative removal of recalcitrant organics in shale gas ...

Abstract. Shale gas ,flowback fluid, (SGF) is generated during shale gas extraction and typically contains a variety of toxic and refractory organic compounds. In this work, a microwave-activated persulfate process (MW-PS process) was developed to pretreat SGF. The major factors influencing the treatment efficiency of the MW-PS process (PS dose, ...

(PDF) Water management in hydraulic fracturing technology
(PDF) Water management in hydraulic fracturing technology

The, fracturing fluid, used in drilling is the main component of, fracturing flowback fluid,, which can be divided into three parts: water, proppant, and, additives, accounting for about 90%, 8%, and, 2%...

Removal of organic compounds from shale gas flowback water
Removal of organic compounds from shale gas flowback water

This mixture, called, fracturing fluid,, creates fissures in the shale increasing its permeability and gas recovery. The mixture of the injected, fracturing fluid, together with the connate water of the formation, which returns to the surface within few weeks after pressure being released, is called, flowback water, (Olmstead et al., 2013).

library.cup.edu.cn
library.cup.edu.cn

Some CBM reservoirs have extremely low porosity and permeability, which need hydraulic ,fracturing, to achieve greater yields. Furthermore, the reservoir ,fluid, flow gradually changes from single-phase water flow to gas-water two-phase flow during the production process, which can increase seepage resistance and change the form of pressure ...

Energy - Welcome to Our Generation USA!
Energy - Welcome to Our Generation USA!

Energy, technology is an interdisciplinary engineering science having to do with the efficient, safe, environmentally friendly and economical extraction, conversion, transportation, storage and use of ,energy,, targeted towards yielding high efficiency while skirting side effects on humans, nature and the environment. For people, ,energy, is an overwhelming need and, as a scarce resource, it has ...

Removal of organic compounds from shale gas flowback water
Removal of organic compounds from shale gas flowback water

Ozonation,, sorption to granular activated carbon and aerobic degradation were compared as potential treatment methods for removal of dissolved organic carbon (DOC) fractions and selected organic compounds from shale gas ,flowback, water after pre-treatment in dissolved air flotation unit.

Publikacje – Wydział Instalacji Budowlanych Hydrotechniki ...
Publikacje – Wydział Instalacji Budowlanych Hydrotechniki ...

Results: Total organic carbon (TOC) was decreased from an initial 306.3 to 134.1 mg/L, 56.2% TOC removal, after 120 min of treatment for 1:1 H2O2/COD mass ratio and 500/500/1000 mg/L Fe3O4/Fe2O3/Fe0 catalyst doses. The ,application, chromatographic analysis allowed for the detection and identification of pollutants present in the wastewater.

New Solutions Emerging To Treat And Recycle Water Used In ...
New Solutions Emerging To Treat And Recycle Water Used In ...

3/6/2020, · “We have treated 450,000 barrels of ,fracturing fluid, since 2007, ... says he started Aqua-Next Inc. in 2004 to develop portable ,ozonation, systems. ... Three years ago Stewart says he started testing produced water and fracture ,flowback, fluids from oil and gas operations in …

Analysis of Hydraulic Fracturing Flowback and Produced ...
Analysis of Hydraulic Fracturing Flowback and Produced ...

Two series of ethylene oxide (EO) surfactants, polyethylene glycols (PEGs from EO3 to EO33) and linear alkyl ethoxylates (LAEs C-9 to C-15 with EO3–EO28), were identified in hydraulic ,fracturing flowback, and produced water using a new application of the Kendrick mass defect and liquid chromatography/quadrupole-time-of-flight mass spectrometry.

Removal of organic compounds from shale gas flowback water ...
Removal of organic compounds from shale gas flowback water ...

1/7/2018, · This mixture, called, fracturing fluid,, creates fissures in the shale increasing its permeability and gas recovery. The mixture of the injected, fracturing fluid, together with the connate water of the formation, which returns to the surface within few weeks after pressure being released, is called, flowback water, (Olmstead et al., 2013).

PAPER OPEN ACCESS Water management in hydraulic fracturing ...
PAPER OPEN ACCESS Water management in hydraulic fracturing ...

Ozonation, and, chlorine dioxide, are commonly used for disinfection of hydraulic, fracturing flowback fluid, as they can be generated onsite. Ozonators use corona discharge to convert oxygen in the ...

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