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Treatment scheme of fracturing fluid and 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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Treatment scheme of fracturing fluid and fracturing flowback fluid
Ecofriendly biodegradation of Reactive Black 5 by newly ...
Ecofriendly biodegradation of Reactive Black 5 by newly ...

23/7/2020, · However, oxalic ,acid, was produced as the end metabolic product of the RB5 degradation by Aeromonas hydrophila isolated from textile azo ,dye wastewater,, …

JP2014005226A - Method for producing terephthalic acid ...
JP2014005226A - Method for producing terephthalic acid ...

SOLUTION: The step of converting the ,wastewater, generated from the terephthalic ,acid, production process into membrane permeated water by membrane separation treatment after performing activated sludge treatment and / or after performing activated sludge treatment, and the step of recovering the membrane permeated water; A method for producing terephthalic ,acid, having [Selection] Figure 1

Immobilization of Cr(VI) contaminated soil using green-tea ...
Immobilization of Cr(VI) contaminated soil using green-tea ...

1/1/2021, · The sequential extraction procedure (SEP, GB/T 25282–2010) was used to determine operational speciation of Cr in soil, namely the ,weak acid, extractable fraction (F1, the most active and potentially toxic fraction), the reducible fraction (F2, bound with Fe/Mn oxides), the oxidizable fraction (F3, bound with organics and sulfides) and the residual fraction (F4, the most stable fraction).

Titration - Wikipedia
Titration - Wikipedia

Titration, (also known as titrimetry and volumetric analysis) is a common laboratory method of quantitative chemical analysis to determine the concentration of an identified analyte (a substance to be analyzed). A reagent, termed the titrant or titrator, is prepared as a standard solution of known concentration and volume. The titrant reacts with a solution of analyte (which may also be termed ...

Electrochemical degradation of the acid orange 10 dye on a ...
Electrochemical degradation of the acid orange 10 dye on a ...

Aims: The aim of this study was decolorization of the synthetic aqueous solution of the ,acid, orange 10 (AO10) ,dye, on Ti/SnO 2-Sb anode using the response surface methodology based on central composite design. Materials and Methods: The Ti/SnO 2-Sb electrode was prepared using the standard thermal decomposition method and three variables: Current density (CD), pH, and supporting electrolyte ...

Dephosphorization of flotation wastewater containing ...
Dephosphorization of flotation wastewater containing ...

Dephosphorization, of flotation ,wastewater, containing organophosphor using complex precipitation method. December 2014; Chinese Journal of Environmental Engineering 8(12):5367-5371

The Role of Nanomaterials and Nanotechnologies in ...
The Role of Nanomaterials and Nanotechnologies in ...

10/8/2018, · ,Nanomaterials and nanotechnologies, (NNs) have been shaping the ,wastewater, treatment process unprecedentedly. Bibliometric methods are regarded as an indispensable light to guide direction in scientific domain. The present study aims to investigate the role of NNs in ,wastewater, treatment with bibliometric techniques based on SCI databases from 1997 to 2016.

Extraction of vanadium from V-containing titanoferrous ...
Extraction of vanadium from V-containing titanoferrous ...

1/1/2021, · Industrial ammonium chloride is a white powder or granular crystals, and it is odorless, salty, and cool. It easily absorbs moisture and agglomerates. It is soluble in water, glycerol, and ammonia but insoluble in ethanol, acetone, and ethyl fan. At 350°C, sublimation occurs in ,weak acid, solutions.

Documents & Reports - All Documents | The World Bank
Documents & Reports - All Documents | The World Bank

Raw materials used in producing phosphloric ,acid, are ground phos- phate rock, sulfuric ,acid,, and water. Other acids, such as nitric and hy- droclhloric, may also be used. The resulting phosphoric ,acid, solution is concentrated by evaporation, clarified for removal of precipitated solids (consisting mainly of iron and aluminum phosphates, soluble gypsum, and fluorosilicates) and then distributed to markets.

Reactions of Chlorine – How it Can Impact Wastewater ...
Reactions of Chlorine – How it Can Impact Wastewater ...

And since this ,wastewater, contains other chemicals and compounds, the reactions of chlorine can disrupt the functions of microscopic aquatic organisms necessary for treatment. For example in laboratories, ortho toluidine, which is found in the effluent of the textile and ,dye, industry, produces a yellow colored compound.

A two-step strategy for high-efficiency fluorescent dye ...
A two-step strategy for high-efficiency fluorescent dye ...

Therefore, the coupling system of nano-Au@SiO 2 catalyst and EDP can be used successfully, with high efficiency and good quality, to degrade low ,dye, concentrations in ,wastewater,. Fig. 7

Editura EcoZone Iasi
Editura EcoZone Iasi

Stringent regulations of ,wastewater, characteristics require the use of membrane processes for the removal of persistent organic pollutants (POPs) from textile ,wastewater, prior to discharge or recycling of these effluents.This paper presents an overview of research related to the removal of persistent organic pollutants from textile industry by membrane processes, discussing also the correlations with actual …

RECYCLING OF WASTE MINERAL WOOL - Technische ... - TIB
RECYCLING OF WASTE MINERAL WOOL - Technische ... - TIB

electrocoagulation and related processes - an evolving trans-border ,wastewater, treatment technology for reuse and recycle in the metals and associated industries

Dephosphorization mechanism in a roasting process for ...
Dephosphorization mechanism in a roasting process for ...

Download Citation | ,Dephosphorization, mechanism in a roasting process for direct reduction of high-phosphorus oolitic hematite in west Hubei Province, China | Direct reduction-roasted products and ...

Analysis Of Reactive Dyes - Hangzhou Fucai Chem Co.Ltd
Analysis Of Reactive Dyes - Hangzhou Fucai Chem Co.Ltd

Advantages, (1) Reactive dyes are one of the best alternatives for banned dyes and other types of cellulose dyes such as sulfur dyes, ice dyes and VAT dyes. (2) Reactive dyes can use the economical dyeing process and the simple dyeing operation obtains the high level each fastness performance especially the wet fastness.

Polyacrylamide application in dyeing wastewater treatment ...
Polyacrylamide application in dyeing wastewater treatment ...

With the rapid development of the ,dye, industry, around the world use ,dye, varieties has amounted to tens of thousands of species, we usually use the polyacrylamide, use of polyacrylamide composite flocculant to deal with the advantage of printing and dyeing ,wastewater, is what?Usually according to the characteristics of the ,dye, hair color system can be divided into anionic dyes, direct dyes ...

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