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Clean fracturing fluid flowback

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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Clean fracturing fluid flowback
3. Organic Pollutants: sources pathways and fate through ...
3. Organic Pollutants: sources pathways and fate through ...

wastewater, as a dioxin source has been underestimated [Horstmann et.al., 1993, Horstmann, 1995]. Sources of other potential ,organic pollutants, are listed below: ,Organic pollutants, can originate from food and household related products, such as long chain fatty acids and their methyl and ethyl esters, originating from faeces, soaps and food oils.

Treatment Technologies for Organic Wastewater | IntechOpen
Treatment Technologies for Organic Wastewater | IntechOpen

17/11/2011, · 1.1. Resources of organic ,wastewater,. There are several contaminants ,in wastewater,, with organic ,pollutants, playing the major role. Many kinds of organic compounds, such as PCBs, pesticides, herbicides, phenols, polycylic aromatic hydrocarbons (PAHs), aliphatic and hetercyclic compounds are included in the ,wastewater,, and industrial and agricultural production as well as the people living ...

Wastewater-Based Epidemiology as a Novel Biomonitoring ...
Wastewater-Based Epidemiology as a Novel Biomonitoring ...

This study applied the WBE approach for the first time to evaluate human exposure to pesticides in eight cities across Europe. 24 h-composite ,wastewater, samples were collected from the main ,wastewater, treatment plants and analyzed for urinary metabolites of three classes of pesticides, namely triazines, organophosphates and pyrethroids, by liq. chromatog.-tandem mass spectrometry.

Analysis of Trace Level of Acetic Acid in Wastewater ...
Analysis of Trace Level of Acetic Acid in Wastewater ...

Acetic acid is one of organic pollutants found in wastewater produced from domestic households, industrial and agricultural practices, etc. However, HPLC with UV detection was not used for trace acetic acid due to the limited sensitivity for its low wavelength (λmax = 205 nm) and weak absorption.

Catalytic oxidation of organic pollutants in wastewater ...
Catalytic oxidation of organic pollutants in wastewater ...

The performance of ,acid,-modified coal fly ash (CFA) was tested for use as a catalyst of a Fenton-like process in p-nitrophenol (p-NP) ,wastewater, treatment.The results show that HNO 3-modified coal fly ash (HFA) has a better catalytic capacity (96.6% p-NP removal rate) than those (<92% p-NP removal rate) of CFA modified by other acids (HCl, H 2 SO 4, and H 3 PO 4).

Catalytic oxidation of organic pollutants in wastewater ...
Catalytic oxidation of organic pollutants in wastewater ...

The performance of ,acid,-modified coal fly ash (CFA) was tested for use as a catalyst of a Fenton-like process in p-nitrophenol (p-NP) ,wastewater, treatment.The results show that HNO 3-modified coal fly ash (HFA) has a better catalytic capacity (96.6% p-NP removal rate) than those (<92% p-NP removal rate) of CFA modified by other acids (HCl, H 2 SO 4, and H 3 PO 4).

Wastewater Management | Encyclopedia.com
Wastewater Management | Encyclopedia.com

Acid mine drainage is wastewater that is extremely acidic and contains high concentrations of heavy metals. Acid mine drainage is one of the major sources of stream pollution in the Appalachian mountain region. Acid mine drainage has severely damaged more than half the streams in …

Wastewater - Wikipedia
Wastewater - Wikipedia

Wastewater can contain physical, chemical and biological pollutants. Households may produce wastewater from flush toilets, sinks, dishwashers, washing machines, bath tubs, and showers. Households that use dry toilets produce less wastewater than those that use flush toilets. Wastewater may be conveyed in a sanitary sewer that conveys only sewage.

Wastewater-Based Epidemiology as a Novel Biomonitoring ...
Wastewater-Based Epidemiology as a Novel Biomonitoring ...

This study applied the WBE approach for the first time to evaluate human exposure to pesticides in eight cities across Europe. 24 h-composite ,wastewater, samples were collected from the main ,wastewater, treatment plants and analyzed for urinary metabolites of three classes of pesticides, namely triazines, organophosphates and pyrethroids, by liq. chromatog.-tandem mass spectrometry.

Advancements in the Fenton Process for Wastewater ...
Advancements in the Fenton Process for Wastewater ...

8/6/2019, · Fenton is considered to be one of the most effective advanced treatment processes in the removal of many hazardous organic pollutants from refractory/toxic wastewater. It has many advantages, but drawbacks are significant such as a strong acid environment, the cost of reagents consumption, and the large production of ferric sludge, which limits Fenton’s further application.

Pollutants in Urban Wastewater and Sewage Sludge
Pollutants in Urban Wastewater and Sewage Sludge

Being strongly hydrophobic these organic pollutants are efficiently removed during urban wastewater treatment (WWTS) and bind to the sludge solids. However, the increasing body of scientific evidence has not identified a potential harmful impact of these substances on the environment in the context of the urban wastewater system.

Advancements in the Fenton Process for Wastewater ...
Advancements in the Fenton Process for Wastewater ...

8/6/2019, · Fenton is considered to be one of the most effective advanced treatment processes in the removal of many hazardous organic pollutants from refractory/toxic wastewater. It has many advantages, but drawbacks are significant such as a strong acid environment, the cost of reagents consumption, and the large production of ferric sludge, which limits Fenton’s further application.

Analysis of Trace Level of Acetic Acid in Wastewater ...
Analysis of Trace Level of Acetic Acid in Wastewater ...

Acetic acid is one of organic pollutants found in wastewater produced from domestic households, industrial and agricultural practices, etc. However, HPLC with UV detection was not used for trace acetic acid due to the limited sensitivity for its low wavelength (λmax = 205 nm) and weak absorption.

Lech Kos Effect of Formic Acid on Pollutant Karina ...
Lech Kos Effect of Formic Acid on Pollutant Karina ...

The aim of this research was to determine the effect of formic ,acid, on pollutant decompo-sition in textile ,wastewater, subjected to treatment by the Fenton method. To estimate the effect of formic ,acid, on treatment efficiency for different types of textile ,wastewater, tested, COD reduction in mixtures of ,wastewater, and formic ,acid, was calculated.

Treatment Technologies for Organic Wastewater | IntechOpen
Treatment Technologies for Organic Wastewater | IntechOpen

17/11/2011, · 1.1. Resources of organic ,wastewater,. There are several contaminants ,in wastewater,, with organic ,pollutants, playing the major role. Many kinds of organic compounds, such as PCBs, pesticides, herbicides, phenols, polycylic aromatic hydrocarbons (PAHs), aliphatic and hetercyclic compounds are included in the ,wastewater,, and industrial and agricultural production as well as the people living ...

Wastewater Management | Encyclopedia.com
Wastewater Management | Encyclopedia.com

Acid mine drainage is wastewater that is extremely acidic and contains high concentrations of heavy metals. Acid mine drainage is one of the major sources of stream pollution in the Appalachian mountain region. Acid mine drainage has severely damaged more than half the streams in …

gaseous odorous pollutants in a wastewater treatment ...
gaseous odorous pollutants in a wastewater treatment ...

sources of emission of gaseous and odorous ,pollutants, produced by a ,wastewater, treatment plant raw effluent inlet and pre-treatment (grit removal, oil removal and primary settling) With these structures, the main danger lies in the potential transfer into the surrounding air of the unpleasant smelling compounds contained in the water to be treated.

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