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Reuse rate 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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Reuse rate of fracturing flowback fluid
Potassium permanganate | KMnO4 - PubChem
Potassium permanganate | KMnO4 - PubChem

Environmental applications, such as drinking water treatment (removal of tastes, odors, iron, and ,manganese,, control of trihalomethanes; ,wastewater, treatment (destruction of hydrogen sulfide and other toxic and/or corrosive compounds, including phenols and plating wastes; and air purification (degradation of malodorous or toxic constituents in industrial off-gases); in chemical processing ...

Determination of Trace Metals in Waste Water and Their ...
Determination of Trace Metals in Waste Water and Their ...

9/3/2012, · Therefore, ,wastewater, may need to be measured for a variety of metals at different concentrations, in different ,wastewater, matrices. A variety of inorganic techniques can be used to measure trace elements in ,waste water, including atomic absorption spectrometry (AAS), inductively coupled plasma optical emission spectrometry (ICP-OES) and ICP mass spectrometry (ICP-MS).

12 Treatment Technologies – PFAS — Per- and ...
12 Treatment Technologies – PFAS — Per- and ...

Limited application technologies–Technologies that have been implemented on a limited number of sites, by a limited number of practitioners, and may not have been documented in peer-reviewed literature.These limited application technologies for liquids and solids are contained in the technology comparison Tables 12-1 and 12-2 (provided as separate PDF) and discussed in Section 12.5 and ...

Recovery and recycling of lithium: A review - ScienceDirect
Recovery and recycling of lithium: A review - ScienceDirect

1/1/2017, · The purification process consists of the removal of divalent metal ions by ,strongly acidic, cation exchange resin followed by the removal of Na + and K + with the β-diketone/TOPO impregnated resin; and finally the recovery of Li + as precipitates of Li 2 …

OILS FOUND IN WASTEWATER - University of Washington
OILS FOUND IN WASTEWATER - University of Washington

Depending on the emulsion, a ,strongly, hydrophilic surfactant such as polysorbate 80, or a ,strongly, lipophilic surfactant such as mono-glyceryl or di-glyceryl oleate will break an emulsion. De-emulsification, which is the main topic of this guide, will be thoroughly discussed in the next chapter.

Glossary of Water Treatment Terms and Definitions
Glossary of Water Treatment Terms and Definitions

The trade name for a ,manganese, dioxide coated aluminum silicate used as an oxidizing catalyst filter medium for iron and ,manganese, reduction. Blowdown The withdrawal of water containing a high concentration of solids or dissolved solids or maintain a specified solids-to-water concentration ratio.

(PDF) Removing the chroma of dye wastewater by fenton ...
(PDF) Removing the chroma of dye wastewater by fenton ...

Removing the ,chroma, of ,dye wastewater, by fenton reagent oxidation process (in Chinese) November 2017; DOI: 10.3969/j.issn.1008-1143.2017.11.017. Authors:

Organic π‐Conjugated Polymers as Photocathode Materials ...
Organic π‐Conjugated Polymers as Photocathode Materials ...

The two‐electron reduction of water to H 2 O 2 occurs through a single‐electron reduction to form the superoxide radical anion O 2.−, a single‐electron reduction with a proton to HOO., a four‐electron reduction to H 2 O, and complicated self‐decomposition reactions. [Figure 2 shows the standard potentials for water and oxygen reduction, water oxidation, and related reactions, with ...

Iron - Wikipedia
Iron - Wikipedia

Iron, (/ ˈ aɪ ər n /) is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table.It is by mass the most common element on Earth, right in front of oxygen (32.1% and 30.1%, respectively), forming much of Earth's outer and inner core.It is the fourth most common element in the Earth ...

Treatment of strong acid dye wastewater by solvent ...
Treatment of strong acid dye wastewater by solvent ...

15/3/2005, · However, the dye intermediates wastewater such as, 1-amino-2-naphthol-4-sulfonic acid (1.,2.4, acid), containing wastewater and, 1-diazo-2-naphthol-4-sulfonic acid, containing wastewater, the ingredients of the latter seen in Table 1, chroma value (determined by dilution method, i.e. the colored sample (V 1) is diluted by distilled water (at least V 2) to the extent look like achromic distilled water, …

Treatment of Dyeing Wastewater Containing Acid Chrome Dye ...
Treatment of Dyeing Wastewater Containing Acid Chrome Dye ...

The dyeing ,wastewater, mainly containing water-soluble ,acid, chrome ,dye, was treated by using kaolin modified by ... 9.5-10.0 with lime,and the PAM dosage is 2.0 mg/L,the best ,wastewater, treatment effect is obtained.The removal rates of ,chroma, and COD of the ,wastewater, are 98.0%and 92.0%,respectively.The ,chroma, and COD of the effluent can ...

Sulfuric acid - Wikipedia
Sulfuric acid - Wikipedia

Sulfuric acid (American spelling) or sulphuric acid (Commonwealth spelling), also known as oil of vitriol, is a mineral acid composed of the elements sulfur, oxygen and hydrogen, with molecular formula H 2 SO 4.It is a colorless, odorless and viscous liquid that is miscible with water at all concentrations.. The acid in pure form is highly corrosive towards other materials, as it is an oxidant ...

ACS Omega | Vol 6 No 8
ACS Omega | Vol 6 No 8

Pair your accounts. Export articles to Mendeley. Get article recommendations from ACS based on references in your Mendeley library.

Water Research Center - pH of Drinking Water Water Balance
Water Research Center - pH of Drinking Water Water Balance

In general, a water with a pH < 7 is considered ,acidic, and with a pH > 7 is considered basic. The normal range for pH in surface water systems is 6.5 to 8.5 and for groundwater systems 6 to 8.5. Alkalinity is a measure of the capacity of the water to resists a change in pH that would tend to make the water more ,acidic,.

Membrane Electrolyzers for Impure-Water Splitting: Joule
Membrane Electrolyzers for Impure-Water Splitting: Joule

Anion-exchange-membrane (AEM) electrolysis is a promising membrane-electrolyzer technology. The cathode and anode operate under locally alkaline conditions and, thus, allow the use of non-precious-metal (e.g., Ni-, Fe-, or Co-based) catalysts and less-expensive steel hardware (as opposed to Ti).

Recycling of mixed cathode lithium‐ion batteries for ...
Recycling of mixed cathode lithium‐ion batteries for ...

Li + is easily leached in solution with its efficiency ,strongly, correlated with the ,acidic, strength (ie, displacement of Li + with H + to induce solubilization). However, cathode transition metals have low solubility as they exist in +3/+4 valence states in discharged cathodes and are difficult to leach due to the strong M–O bonds.

Application of Biosorption for Removal of Heavy Metals ...
Application of Biosorption for Removal of Heavy Metals ...

4/12/2017, · Fresh water accounts for 3% of water resources on the Earth. Human and industrial activities produce and discharge wastes containing heavy metals into the water resources making them unavailable and threatening human health and the ecosystem. Conventional methods for the removal of metal ions such as chemical precipitation and membrane filtration are extremely expensive when …

The role of magnesium sulfate in water treatment ...
The role of magnesium sulfate in water treatment ...

The treatment of acid dye wastewater with, magnesium sulfate, has a good effect and a high chroma after treatment. Magnesium salt method can effectively remove water-soluble acid dyes, and the decolorization rate is very high under suitable conditions.

Controlled PtIr nanoalloy as an electro-oxidation platform ...
Controlled PtIr nanoalloy as an electro-oxidation platform ...

16/7/2019, · Here x = 1 or 2 and y = 1 or 2.. Platinum is the best candidate for this reaction in alkaline solutions, because N ads is formed at a higher potential than other metals such as rhodium or palladium [].The high cost and scarcity of platinum, and even more the slow oxidation reaction kinetic on its surface have led to the search for new electrodes, obtained by alloying Pt with other metals [].

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