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oil gas field fracturing flow-back fluids separation chart

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 separation chart
(PDF) Recovery of nickel and water from nickel ...
(PDF) Recovery of nickel and water from nickel ...

With constant operating parameters of: 200 mL/min flow rate, natural pH of water which is pH ≈ 6 and 0.05 M electrolyte concentration prepared by NaCl, 30, 45 and 60 V of potentials has been ...

Wastewater treatment | CEST2019
Wastewater treatment | CEST2019

An integrated continuous anaerobic–aerobic system has been employed as the treatment for synthetic textile ,wastewater, contained C. I. ,Acid, Red 88 dye. A ,laboratory, scale of upflow anaerobic sludge bed (UASB) flowed by activated treatment was operated at hydraulic residence time (HRT) of 24, 12, 6, and 3 h. the system showed high performance on the removal of color and COD within the HRT ranged …

Summary Report: Control and Treatment Technology for the ...
Summary Report: Control and Treatment Technology for the ...

Plant A's Performance in Removing Chromium The system was designed to treat 40 gal/min (151 l/min) of ,wastewater, and is essentially identical to the system shown in Figure 13. The performance of the system in removing ,copper,, ,nickel,, total chromium, and hexa- valent chromium (Cr+6) during a 60-hour test period is shown in Figures 18 and 19.

Environmental fate and microbial degradation of ...
Environmental fate and microbial degradation of ...

1/1/2001, · NTA elimination during ,wastewater, treatment was successfully ,simulated, with a simple activated sludge model which included only temperature-dependent growth of NTA-degrading micro-organisms with NTA [μ NTA (T)=2.2 day −1 exp(0.07 (T−20°C))], but the model neglected decay of NTA degraders and their growth with carbon sources other than NTA (the two effects probably …

Recovery of nickel and water from nickel electroplating ...
Recovery of nickel and water from nickel electroplating ...

29/5/2014, · Percent extraction (PE%) for Ni 2+, SO 42−, Cl −, and Na + e K + was evaluated using the following equation: (2) PE % = [ ( 1 - ( M t / M 0)] · 100 where M0 is the ion concentration in the DS solution at the beginning of the experiment, and Mt is the ion concentration in this solution at …

Membranes | Free Full-Text | Application of Hybrid ...
Membranes | Free Full-Text | Application of Hybrid ...

Preliminary complexation tests were carried out in order to determine the optimal operating conditions for ,copper, and ,nickel, complexation and decomplexation by the PEI polymer. The results evidenced that the optimal chemical conditions were pH 6.0 and 8.0 and polymer/metal weight ratio of 3.0 and 6.0 for ,copper, and ,nickel,, respectively.

Nanoadsorbents for wastewater treatment: next generation ...
Nanoadsorbents for wastewater treatment: next generation ...

25/5/2020, · Researchers use both physical and chemical procedures for recovering membrane permeability. The membranes have been reported to regain the initial membrane efficiency by the treatment with different chemical agents like sodium hypochlorite (NaOCl), sodium hydroxide (NaOH), hydrochloric ,acid, (HCl) and nitric ,acid, (HNO 3).

Pascal Okechukwu Electrocoagulation Project
Pascal Okechukwu Electrocoagulation Project

In this study, removal of cadmium (Cd), ,copper, (Cu) and ,nickel, (Ni) from a ,simulated wastewater, by electrocoagulation (EC) method using batch cylindrical iron reactor was investigated. The influences of various operational parameters such as initial pH (3, 5, 7), current density (30, 40, 50 mA/cm2 ) and initial heavy metal concentration (10, 20, 30ppm) on removal efficiency were investigated.

Electrocoagulation (EC) technology for wastewater ...
Electrocoagulation (EC) technology for wastewater ...

10/7/2017, · Zaied and Bellakhal ( 2009) treated black liquor at pH 7 and at CD of 14 mA/cm 2 for 50 min. The process removed 98% COD, 92% polyphenols, and 99% color. Efficient treatment of pulp and paper industry ,wastewater, using EC, i.e., optimum pH, time, current …

Summary Report: Control and Treatment Technology for the ...
Summary Report: Control and Treatment Technology for the ...

Plant A's Performance in Removing Chromium The system was designed to treat 40 gal/min (151 l/min) of ,wastewater, and is essentially identical to the system shown in Figure 13. The performance of the system in removing ,copper,, ,nickel,, total chromium, and hexa- valent chromium (Cr+6) during a 60-hour test period is shown in Figures 18 and 19.

Electrocoagulation (EC) technology for wastewater ...
Electrocoagulation (EC) technology for wastewater ...

10/7/2017, · Zaied and Bellakhal ( 2009) treated black liquor at pH 7 and at CD of 14 mA/cm 2 for 50 min. The process removed 98% COD, 92% polyphenols, and 99% color. Efficient treatment of pulp and paper industry ,wastewater, using EC, i.e., optimum pH, time, current …

Estimating Potential Life Cycle Releases of Engineered ...
Estimating Potential Life Cycle Releases of Engineered ...

4/6/2014, · UC Center on the Environmental Implications of Nanotechnology and Bren School of Environmental Science and Management, University of California, Santa Barbara, 2400 Bren Hall, Santa Barbara, California 93106-5131, United States. * E-mail:: alazareva@bren.ucsb.edu.

Citric Acid Enhanced Copper Removal by a Novel Multi ...
Citric Acid Enhanced Copper Removal by a Novel Multi ...

12/5/2015, · ,Copper, (soluble Cu) and citric ,acid, (CA) were chosen as model pollutants. Cu adsorption in the absence or presence of CA was comparably studied for …

Nickel-Based Superalloys for Advanced Turbine Engines ...
Nickel-Based Superalloys for Advanced Turbine Engines ...

Oxidation-induced damage of an uncoated and coated ,nickel,-based ,superalloy, under ,simulated, gas environment 8 June 2017 | Rare Metals, Vol. 37, No. 3 Effect of cooling rate on microstructure and tensile properties of powder metallurgy Ni-based ,superalloy

Environmental fate and microbial degradation of ...
Environmental fate and microbial degradation of ...

NTA elimination during ,wastewater, treatment was successfully ,simulated, with a simple activated sludge model which included only temperature-dependent growth of NTA-degrading micro-organisms with NTA [μ NTA (T)=2.2 day −1 exp(0.07 (T−20°C))], but the model neglected decay of NTA degraders and their growth with carbon sources other than NTA (the two effects probably compensating for each other).

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