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oil gas field fracturing flow-back fluids recycle centers

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 gas field fracturing flow-back fluids recycle centers
Neutralization IWM | Ph | Alkalinity | Free 30-day Trial ...
Neutralization IWM | Ph | Alkalinity | Free 30-day Trial ...

Neutralization of Acidic wastewater 2. Mixing Acid wastes with Lime Slurries Depends on type of lime used. Magnesium fraction of lime is most reactive in strongly acidic solution and useful below pH 4.2. Basicity factor. Neutralization can be done by using sodium hydroxide, sodium carbonate, ammonium hydroxide or magnesium hydroxide.

On the importance of pH value in coagulation | Journal of ...
On the importance of pH value in coagulation | Journal of ...

In the treatment of drinking water, a key factor in coagulation is pH value. (In the literature, ‘coagulation’ usually denotes the destabilization of particles while ‘flocculation’ refers to …

IJERPH | Free Full-Text | Preparation Performances and ...
IJERPH | Free Full-Text | Preparation Performances and ...

The coal slurry ,wastewater, is mainly a mixture of water and fine coal powder, and the solid particles are fine and the turbidity is high. It is influenced by Brownian motion, gravity, and the interaction between solid particle interfaces. Coal slurry ,wastewater, has both the properties of …

Quantitative Detection of Human Adenoviruses in Wastewater ...
Quantitative Detection of Human Adenoviruses in Wastewater ...

In this study, we quantified adenoviruses in ,wastewater,, surface water, and combined sewer overflows (CSOs) by real-time PCR. Between August 2005 and August 2006, adenovirus concentrations in raw sewage, primary-treated effluent, secondary-treated effluent, and chlorinated effluent from a ,wastewater, treatment plant in Michigan were examined.

Electrodialysis with Bipolar Membranes for Sustainable ...
Electrodialysis with Bipolar Membranes for Sustainable ...

Electrodialysis with bipolar membranes (EDBM) is a kind of technology that integrates solvent and salt dissociation. It can realize salt conversion without second salt pollution or provide H+ and OH-/alkoxide ions in situ without salt introduction. Thus, it inherently possesses economical and environmental benefits. Moreover, its technological compatibility gives rise to new functions when it ...

Hybrid System of Flocculation–Photocatalysis for the ...
Hybrid System of Flocculation–Photocatalysis for the ...

Pulse duty cycle, c.d., and flow rate of effluent were detd. to be the ,influencing factors, for the degrdn. performance, and analyses of BBDs further revealed that the ,influencing, degrees of these ,factors, follow the order: c.d. > pulse duty cycle > flow rate for the degrdn. of IC and MO, but such conclusion is not applicable to that of ARS. the fused-rings structure of ARS is more difficult to …

Membrane Bioreactor (MBR) Technology for Wastewater ...
Membrane Bioreactor (MBR) Technology for Wastewater ...

Classes of foulants, including biofoulants, organic foulants and inorganic foulants, as well as ,factors influencing, membrane fouling are outlined. Recent research attempts on fouling control, including addition of coagulants and adsorbents, combination of aerobic granulation with MBRs, introduction of granular materials with air scouring in the MBR tank, and quorum quenching are presented.

Treatment by Coagulation-Flocculation of Dairy Wastewater ...
Treatment by Coagulation-Flocculation of Dairy Wastewater ...

methodology based on optimizing the ,factors influencing, the process of treatment and also the effectiveness of treatment indicated by the concentration of pollutants in water treated. 2. ,Wastewater, treatment process The clarification is the set of operations permitting the removal of suspended (mineral and organic) and

Waste Water Treatment Process | Sewage Treatment | Wastewater
Waste Water Treatment Process | Sewage Treatment | Wastewater

Additional Treatment for Water Reuse Various Advanced Treatment Methods Suspended Solids Removal by ,Filtration, Phosphate Removal Removal of Toxic Compounds. 2.00 2.45 p.m 7. ... ,Factors Influencing, Disinfections ... ,Neutralization Neutralization, of alkaline and ,acid, …

Application progress of enhanced coagulation in water ...
Application progress of enhanced coagulation in water ...

Many studies have shown the biggest influencing factors that affect the efficiency of ozonation coagulation: the characteristics of the raw water (hardness, pH, alkalinity, and type and concentration of NOM), and ozone dose and coagulation conditions (dose and type of coagulant). 9,82,83 Francisco's 79 research showed that the effect of the efficiency of preozonation-enhanced coagulation seems to vary …

Electrochemical technologies for wastewater treatment and ...
Electrochemical technologies for wastewater treatment and ...

ED has been combined with membrane processes, such as membrane ,filtration, (MF), nanofiltration (NF), and reverse osmosis (RO) processes along with precipitation–,neutralization, processes to treat recycled water and sulfuric ,acid, rinses from lead battery production lines. 439 On average, 88 wt% sulfuric ,acid, and 25 wt% rinse water were recovered.

ScienceDirect Removal of nanoparticles by coagulation
ScienceDirect Removal of nanoparticles by coagulation

study, Kinsinger et al. (2015) examined additional ,factors influencing, the removal efficiency of TiO 2 NPs, including surface coating, presence of NOM, and water chemistry. The researchers observed that bare TiO 2 NPs in complex waters containing divalent cations were more easily removed. The surfacecoating withmeso-2,3-dimercaptosuccinic ,acid, andthe

Treatment by Coagulation-Flocculation of Dairy Wastewater ...
Treatment by Coagulation-Flocculation of Dairy Wastewater ...

methodology based on optimizing the ,factors influencing, the process of treatment and also the effectiveness of treatment indicated by the concentration of pollutants in water treated. 2. ,Wastewater, treatment process The clarification is the set of operations permitting the removal of suspended (mineral and organic) and

Electrodialysis with Bipolar Membranes for Sustainable ...
Electrodialysis with Bipolar Membranes for Sustainable ...

Electrodialysis with bipolar membranes (EDBM) is a kind of technology that integrates solvent and salt dissociation. It can realize salt conversion without second salt pollution or provide H+ and OH-/alkoxide ions in situ without salt introduction. Thus, it inherently possesses economical and environmental benefits. Moreover, its technological compatibility gives rise to new functions …

Sewage Polluted Water Treatment via Chitosan: A Review ...
Sewage Polluted Water Treatment via Chitosan: A Review ...

20/11/2017, · However, the investigations concerning the application of CS and its derivatives suffer from several drawbacks not adequately addressed in the past, aggravating the market accessibility (1) cost ,factors, were not considered; (2) experiments limited to lab scale; (3) only batch experiments were carried out; (4) mechanical strength should be increased; (5) studies have to be performed with actual …

Factors influencing dewaterability of thermophilic ...
Factors influencing dewaterability of thermophilic ...

This dissertation reports on research findings from a study investigating ,factors, that influence the dewaterability and other characteristics of thermophilic aerobically digested biosolids. Thermophilic aerobic digestion is a high temperature (50-65°C) sludge treatment process that produces Class A …

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