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Comprehensive utilization of fracturing flowback fluid

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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Comprehensive utilization of fracturing flowback fluid
Decolorization of Azo Dyes C.I.Acid Yellow 17 and C.I ...
Decolorization of Azo Dyes C.I.Acid Yellow 17 and C.I ...

This study investigated the degradation of an organic compound (an azo ,dye,, ,Acid Red, 4) in a synthetic ,wastewater, by using dielectric barrier discharge (DBD) tube comprised of a hollow quartz ...

Efficient Adsorption of Tetracycline from Aqueous ...
Efficient Adsorption of Tetracycline from Aqueous ...

A more efficient and economical method is introduced to treat disused adsorbents. Chitosan hydrogel beads (CS) are proven to be effective biosorbents for the removal of many heavy metal ions from aq. solns. The CS after the satd. adsorption of metal ions are usually recovered in dil. acidic solns.

Federal Register :: Hazardous Waste Management System ...
Federal Register :: Hazardous Waste Management System ...

25/11/2003, · The non-CBI surveys (available in the docket for today's rule) provided limited historical data about the waste management practices performed by the surveyed facilities, including: ,Wastewater, treatment in tanks, ,wastewater, treatment and/or storage in surface impoundments, discharge of wastewaters to a POTW or under NPDES, solvent recovery, combustion of waste solids/liquids onsite …

Nature Environment & Polution Technology
Nature Environment & Polution Technology

About the Journal. The journal "Nature Environment and Pollution Technology" is a quarterly scientific research journal, devoted to broader aspects of the environment, and published in March, June, September and December in a year. It was initially published with the title of "Journal of Environment & Pollution" (ISSN: 0971-4871) from 1994 to 2001. Its name was later changed to Nature ...

Two stage biological treatment of a diazo reactive textile ...
Two stage biological treatment of a diazo reactive textile ...

1/7/2004, · To produce stock solutions of 50 g l −1 RB5, 50 g of the ,dye, powder was dissolved in 1 l of 0.1 M NaOH and either fully hydrolyzed at 100 °C for 10 min, followed by neutralization with phosphoric ,acid, (85%) or, ,to simulate, the partial hydrolysis in the cold pad process, adjusted to pH 11 with 50% NaOH (initially and after a few hours), stirred at room temperature on a magnetic stirrer for 24 h and then neutralized with phosphoric ,acid,.

(PDF) Combination of Advanced Oxidation Processes and ...
(PDF) Combination of Advanced Oxidation Processes and ...

Hai et al. (2007) recently published a comprehensive review of potential hybrid technologies found in the literature for treatment of ,dye wastewater, in general and textile ,wastewater, in particular. Based on the array of potential hybrid technologies and the available cost information, it can be concluded that biological hybrid technologies appear to be the most promising.

DoD STTR 2020.B | SBIR.gov
DoD STTR 2020.B | SBIR.gov

DESCRIPTION: The Army needs improved capability to enable self-sufficiency and reduce sustainment demands during distributed operations.Black water and high water content wastes (e.g., food wastes) are both sources of waste that have a high potential for energy production.Instead of ,disposing, them as wastes (at a high disposal cost), the Army proposes to develop a novel treatment/utilization method …

Fe-TAML/ hydrogen peroxide degradation of concentrated ...
Fe-TAML/ hydrogen peroxide degradation of concentrated ...

Department of Chemistry, Institute for Green Science, Carnegie Mellon University, Pittsburgh, PA, USA. E-mail: tc1u@andrew.cmu.edu; Fax: +1 412 268-1061; Tel: +1 412 268-6335. Here we describe a catalytic oxidation process for decomposing concentrated ,dye, solutions, as a model for the treatment of concentrated industrial effluent streams.

Review of Eco-Friendly Biochar Used in the Removal of ...
Review of Eco-Friendly Biochar Used in the Removal of ...

It has been established that biochars residues have the tendency to form poly aromatic hydrocarbons (PAHs) that are generally carcinogenic can be injurious to human health. The residues are the ash containing, those contaminants like trace metals, which after the utilisation researchers and their institutions face challenges of ,disposing, them.

NUS - National University of Singapore Newsroom
NUS - National University of Singapore Newsroom

The NUS team's method relies on applying bromothymol blue - a pH-sensitive ,dye, that changes colour according to the level of acidity of a solution - onto living cells. Due to its intracellular activity, each type of cell displays its own ‘fingerprint’ which consists of its own unique combination of ,red,, green, and blue (RGB) components when illuminated.

Ultrahigh selective and efficient removal of anionic dyes ...
Ultrahigh selective and efficient removal of anionic dyes ...

20/10/2018, · The residual concentration of ,dye, was determined by UV–vis spectrophotometer at the corresponding λ max and the adsorption capacity of ,dye, at adsorption equilibrium time was calculated through the following equation: (1) q e = c 0-c e V m where q e (mg/g) is the saturated adsorption capacity of ,dye,; c 0 and c e (mg/L) represent the initial and equilibrium concentration of ,dye,, …

Fe-TAML/ hydrogen peroxide degradation of concentrated ...
Fe-TAML/ hydrogen peroxide degradation of concentrated ...

Department of Chemistry, Institute for Green Science, Carnegie Mellon University, Pittsburgh, PA, USA. E-mail: tc1u@andrew.cmu.edu; Fax: +1 412 268-1061; Tel: +1 412 268-6335. Here we describe a catalytic oxidation process for decomposing concentrated ,dye, solutions, as a model for the treatment of concentrated industrial effluent streams.

Dyeing - Dissertation
Dyeing - Dissertation

Treatment of Simulation Dyeing ,Wastewater, with ,Acid, Rose ,Red, by Manganese Sand Filled Ozone Biological Aerated Filter, HeYaoZhong/South China University of Technology,0/67; The Innovative Application of "Tea Dyeing" in Silk Dress Design, ZhaoYuZuo/Beijing Institute of Clothing Technology,0/50

ACI Science
ACI Science

The mercury concentration in hospital ,wastewater, is in the range 4 to 4.6 micrograms per liter (ug/L) and may include waste from broken equipment (where approximately 20 percent of the spilled mercury is reportedly discharged to ,wastewater,), laboratory chemicals (e.g., Zenker'??s Fluid, reported to contain mercury at 37.5 grams per liter), medicinal wastes (e.g., preservatives such as ...

Enhanced Activation of Persulfate by Meso-CoFe2O4/SiO2 ...
Enhanced Activation of Persulfate by Meso-CoFe2O4/SiO2 ...

In this study, removal of Cresol ,Red, (CR), a cationic triphenylmethane ,dye,, by 300 kHz ultrasound was investigated. The effect of additive such as potassium monopersulfate (oxone) was studied. Addnl., sonolytic degrdn. of CR was investigated at varying power and initial pH. RC can be readily eliminated by the ultrasound process.

Review of Eco-Friendly Biochar Used in the Removal of ...
Review of Eco-Friendly Biochar Used in the Removal of ...

It has been established that biochars residues have the tendency to form poly aromatic hydrocarbons (PAHs) that are generally carcinogenic can be injurious to human health. The residues are the ash containing, those contaminants like trace metals, which after the utilisation researchers and their institutions face challenges of ,disposing, them.

Federal Register :: Hazardous Waste Management System ...
Federal Register :: Hazardous Waste Management System ...

25/11/2003, · The non-CBI surveys (available in the docket for today's rule) provided limited historical data about the waste management practices performed by the surveyed facilities, including: ,Wastewater, treatment in tanks, ,wastewater, treatment and/or storage in surface impoundments, discharge of wastewaters to a POTW or under NPDES, solvent recovery, combustion of waste solids/liquids onsite …

9020 QUALITY ASSURANCE/QUALITY CONTROL - Standard Methods ...
9020 QUALITY ASSURANCE/QUALITY CONTROL - Standard Methods ...

The most desired temperature range for determining pH is ,18, to 25°C (room temperature). Keep the probes clean and store electrode immersed in the manufacturer-recommended solution.

(PDF) Combination of Advanced Oxidation Processes and ...
(PDF) Combination of Advanced Oxidation Processes and ...

Hai et al. (2007) recently published a comprehensive review of potential hybrid technologies found in the literature for treatment of ,dye wastewater, in general and textile ,wastewater, in particular. Based on the array of potential hybrid technologies and the available cost information, it can be concluded that biological hybrid technologies appear to be the most promising.

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