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oil well fracturing flow-back fluids treatment methods uses

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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oil well fracturing flow-back fluids treatment methods uses
Industrial Wastewater: What is It & Where Does It Come From?
Industrial Wastewater: What is It & Where Does It Come From?

Wastewaters include ,acidic, rinse waters together with waste acid. Many steel industry wastewaters are contaminated by hydraulic oil also known as soluble oil. Oil and Gas Fracking

Phosphorus Reduction | ChemREADY
Phosphorus Reduction | ChemREADY

Biological ,phosphorus removal process, relies on enhancing the ability of microorganisms to uptake more ,phosphorus, into their cell. Therefore, these processes are often referred to as enhanced biological ,phosphorus removal, (EBPR) processes. EBPR has been implemented worldwide in many ,wastewater, treatment plants.

Nickel (Ni) - Chemical properties Health and ...
Nickel (Ni) - Chemical properties Health and ...

Nickel, can also end up in surface, water, when it is a part of, wastewater, streams. The larger part of all, nickel, compounds that are released to the environment will adsorb to sediment or soil particles and become immobile as a result. In, acidic, ground however,, nickel, is bound to become more mobile and it will often rinse out to the groundwater.

Design Manual Phosphorus Removal - EPA
Design Manual Phosphorus Removal - EPA

21 3-3 SBR Operating Sequence - Biological ,Phosphorus Removal, 23 3-4 Basic Design Information for Full-Scale Phostrip Plants 26 3-5 Performance Data Summary for Full-scale Phostrip Plants 26 3-6 Modified Bardenpho ,Process, Full-scale Plant Design Summary 27 3-7 Palmetto, FL Modified Bardenpho Performance (April 1981 - March 1982Monthly Averages) 28 3-8 Kelowna, Canada Modified Bardenpho ,Process, …

US7563373B2 - Removal of phosphorous from wastewater ...
US7563373B2 - Removal of phosphorous from wastewater ...

Processes, methods and systems are provided herein for lowering the concentration of ,phosphorus, in ,wastewater,. The ,process, includes adding a suitable amount of an aluminum-based coagulant/flocculent, for example, an aluminum-silicate coagulant/flocculent product to the ,wastewater, while maintaining the pH of the ,wastewater, at between about 4.5 and about 6.65.

Biological removal of phosphate from synthetic wastewater ...
Biological removal of phosphate from synthetic wastewater ...

The biological ,phosphorus removal, is a microbial ,process, widely used for removing ,phosphorus, from ,wastewater, to avoid eutrophication of water bodies. The study was aimed to screen the efficient phosphate reducing isolates and used to remove phosphate from synthetic ,wastewater, using batch scale ,process,…

Removal of organic phosphorus and formaldehyde in ...
Removal of organic phosphorus and formaldehyde in ...

Removal, of organic ,phosphorus and formaldehyde in glyphosate wastewater by, CWO and the lime-catalyzed formose reaction ... the iminodiacetic ,acid, (IDA) route is one of the main ,industrial, production processes for producing PMG. However, in this ,process,, ... and this method has been used to pretreat ,industrial, PMG ,wastewater,.

Advances in Struvite Precipitation Technologies for ...
Advances in Struvite Precipitation Technologies for ...

+ from highly polluted ,wastewater,. In this ,process,, typically, the NH3, ... A limitation of many of these processes is the occurrence of a decline in ,phosphorus removal, when the nitrogen abatement is contextually applied ... but ,industrial wastewater,, manure, and livestock slurries are also exploited as input aqueous waste [10].

Removal of nickel through sulfide precipitation and ...
Removal of nickel through sulfide precipitation and ...

For industrial effuent, as can be seen in Figure 1(b), the ,nickel, sulfide precipitation increased when pH reached 5. At this pH value, above 90% ,nickel, ions were precipitated. Normally, in ,acidic, solutions, S = is sufficiently present. Then, it can react easily with Ni 2+ (reaction (3)).

Phosphate in Wastewater — Water Library | Acorn Water ...
Phosphate in Wastewater — Water Library | Acorn Water ...

Sources of phosphate include human and animal waste, ,industrial, chemicals and detergents, and agricultural run-off.1. Importance in ,Wastewater,: Phosphate is abundant in ,wastewater, and should be removed before treated effluent is discharged. There are two main methods for phosphate ,removal,: chemical ,removal, and biological ,removal,.

Nickel removal from electroplating industry wastewater: A ...
Nickel removal from electroplating industry wastewater: A ...

nickel, ion retained in the, wastewater, along with, acidic, pH. The wastewater from the nickel electroplating industry was discharged on land leads the percolation of wastewater through porous medium and finally groundwater gets contaminated. The presence of nickel ion in land, water environment is more toxic

Solvent extraction of nickel ions from electroless nickel ...
Solvent extraction of nickel ions from electroless nickel ...

1/4/2018, · Essentially, the nickel electroplating wastewater is a, slightly acidic effluent with pH of 4.8., The higher acidic carrier type seems suitable for the metal cation extraction in the acidic aqueous solution to create the chemical potential between the aqueous and organic phases [ 26 ].

Removal of Ni(II) from strongly acidic wastewater by ...
Removal of Ni(II) from strongly acidic wastewater by ...

Nonferrous metal-smelting industries generally produce large amounts of, strongly acidic wastewater, that contains nickel, arsenic, copper, zinc, and iron, with high H 2 SO 4 concentrations (5%–20%). For environmental and economic reasons, high-value heavy metals in …

Proper Phosphorus Removal for Wastewater in Anodizing ...
Proper Phosphorus Removal for Wastewater in Anodizing ...

For ,phosphorus removal, to occur in this physical/chemical treatment ,process,, the ,phosphorus, particles must become destabilized and coagulated for ,removal,. In this study, some of the most common coagulants used for ,phosphorus removal, are compared on a side-by-side basis to help show which products may work best in an anodizing facility. Calcium

PHOSPHATE CRISTALLISATION PROCESS FOR P RECOVERY …
PHOSPHATE CRISTALLISATION PROCESS FOR P RECOVERY …

nutrient ,removal,. The Phosnix ,process, (Unitika Ltd., 1994) is a side stream ,process,, and treats ,phosphorus, enriched ,wastewater, (effluent from digesters, fermenters, biological nutrient ,removal, systems). Digester effluent is fed into the base of the tower where it is mixed with magnesium chloride.

Removing Heavy Metals From Wastewater
Removing Heavy Metals From Wastewater

present in wastewaters in dilute quantities (1 - 100 mg/L) and at neutral or ,acidic, pH values (< 7.0). Both of these factors are disadvantageous with regard to metals

Nickel - DuPont
Nickel - DuPont

Water/Wastewater, Removal of, nickel, from water and organic solvents is fairly common using strong, acid, cation resins. For, waters, with low levels of salt content, a strong, acid, cation resin such as AmberSep™ G26 H Resin would be a good starting point.

Nutrient Removal - Total Phosphorus
Nutrient Removal - Total Phosphorus

Discuss the importance of the ,wastewater, volatile fatty ,acid, (VFA) content in EBPR. Discuss the change in influent ,wastewater, characteristics due to excessive infiltration/inflow (I/I) and the effect on biological ,phosphorus removal,. Describe the basic theory of enhanced biological ,phosphorus removal, (EBPR).

PHOSPHATE CRISTALLISATION PROCESS FOR P RECOVERY …
PHOSPHATE CRISTALLISATION PROCESS FOR P RECOVERY …

nutrient ,removal,. The Phosnix ,process, (Unitika Ltd., 1994) is a side stream ,process,, and treats ,phosphorus, enriched ,wastewater, (effluent from digesters, fermenters, biological nutrient ,removal, systems). Digester effluent is fed into the base of the tower where it is mixed with magnesium chloride.

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