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Performance certificate 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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Performance certificate of fracturing flowback fluid
Direct and Indirect Electrochemical Degradation of Acid ...
Direct and Indirect Electrochemical Degradation of Acid ...

The anthraquinone ,dye,, C.I. ,Acid, Blue 111, was subjected to electrochemical oxidation using an IrOx electrode and sodium sulphate or sodium chloride as electrolytes. The effects of different operating parameters on the rate of ,dye, decolorization, such as applied current, electrolyte concentration, and initial ,pH, were studied.

Synergetic treatment of dye contaminated wastewater using ...
Synergetic treatment of dye contaminated wastewater using ...

The ,pH, values mainly affected surface electronic properties, catalyst adsorption characteristics and the state of ,dye, molecules, as a result of protonation of the amine functionalities within RhB molecules. 58,59 In the acidic media, chemisorption dominates the …

Synergetic treatment of dye contaminated wastewater using ...
Synergetic treatment of dye contaminated wastewater using ...

The ,pH, values mainly affected surface electronic properties, catalyst adsorption characteristics and the state of ,dye, molecules, as a result of protonation of the amine functionalities within RhB molecules. 58,59 In the acidic media, chemisorption dominates the process due to …

Removal of acid dyes from aqueous solutions using orange ...
Removal of acid dyes from aqueous solutions using orange ...

Nylomine red Red ,Acid, 510.5 ICI The ,dye, solutions were prepared by dissolving the different dyes in distilled water at desired concentrations. 2.2 Sorption studies 2.2.1 Sorption kinetics The initial solution ,dye, concentration was 100 mg/L for all experiments except for that carried out to examine the effect of the initial concentration of dyes.

Biosorptive Decontamination of Acid Red-87 Dye from ...
Biosorptive Decontamination of Acid Red-87 Dye from ...

function of lemon peel [23], as ,low, cost adsorbent to remove the Trypan Blue ,dye, from aqueous solution [24]. In continuation of our previous effort, in present work, Citrus limonum peels have been investigated to remove another important anionic ,dye, (,Acid, Red-87 ,dye,) from aqueous media. The structure of ,dye, molecule is shown in Fig. 1. Figure 1.

Exploring the Reusability of Synthetically Contaminated ...
Exploring the Reusability of Synthetically Contaminated ...

29/5/2018, · Thus a value of 6.5 for ,pH, pzc further indicates that the TGSD adsorbent favourably adsorbed any cationic ,dye, at ,pH, of the ... ,wastewater, using ,low, ... of azo ,dye acid, red 14 in ...

Study on the treatment of simulated azo dye wastewater by ...
Study on the treatment of simulated azo dye wastewater by ...

The ,pH, value significantly affects the efficiency of the micro-electrolysis reaction (Li et al. 2011). Furthermore, the ,pH, value of natural printing and ,dye wastewater, is relatively high. Hence, the effect of ,pH, was evaluated during the treatment of methyl orange in the reactor.

Frontiers | Degradation of Azo Dye (Acid Orange 7) in a ...
Frontiers | Degradation of Azo Dye (Acid Orange 7) in a ...

The ,pH, of the anode solution was adjusted to 7. ,pH, and ionic strength were measured using a calibrated benchtop combined ,pH, and ionic strength meter (,pH,/CON 700 meter, Cole-Parmer, UK). The concentration ,of Acid, orange 7 ,dye, used was 100 mg L −1. Three MFC systems were setup.

Removal of acid dyes from aqueous solutions using orange ...
Removal of acid dyes from aqueous solutions using orange ...

Nylomine red Red ,Acid, 510.5 ICI The ,dye, solutions were prepared by dissolving the different dyes in distilled water at desired concentrations. 2.2 Sorption studies 2.2.1 Sorption kinetics The initial solution ,dye, concentration was 100 mg/L for all experiments except for that carried out to examine the effect of the initial concentration of dyes.

Agricultural wastes as a low cost adsorbents for the ...
Agricultural wastes as a low cost adsorbents for the ...

Agricultural wastes as a ,low, cost adsorbents for the removal ,of Acid, Blue 92 ,dye,: A Comparative study with Commercial activated carbon. IOSR Journal of Agriculture and Veterinary Science (IOSR-JAVS) e-ISSN: 2319-2380, p-ISSN: 2319-2372.Volume 7, Issue 2 Ver. III (Mar-Apr. 2014), PP 19-32 www.iosrjournals.org.

Biosorptive Decontamination of Acid Red-87 Dye from ...
Biosorptive Decontamination of Acid Red-87 Dye from ...

function of lemon peel [23], as ,low, cost adsorbent to remove the Trypan Blue ,dye, from aqueous solution [24]. In continuation of our previous effort, in present work, Citrus limonum peels have been investigated to remove another important anionic ,dye, (,Acid, Red-87 ,dye,) from aqueous media. The structure of ,dye, molecule is shown in Fig. 1. Figure 1.

Ozone treatment of textile effluents and dyes: effect of ...
Ozone treatment of textile effluents and dyes: effect of ...

The ozonation of ,wastewater, supplied from a treatment plant (Samples A and B) and ,dye,‐bath effluent (Sample C) from a dyeing and finishing mill and ,acid dye, solutions in a semi‐batch reactor has been examined to explore the impact of ozone dose, ,pH,, and initial ,dye, concentration.

Cellulose-based membrane for adsorption of dye in batik ...
Cellulose-based membrane for adsorption of dye in batik ...

grafting acrylic ,acid, (CA) and was able to adsorb Methyl Orange, Disperse Blue 2BLN and malachite green chloride reached to 84.2% (at ,pH, <4, 50°C), 79.6% (at ,pH, 7, 50°C) and 99.9% (at ,pH,>9, 50°C), respectively. The surface area of CMC-CA adsorbent was 594.45 m2/g, with micropore volume and average pore diameter of 0.093

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

2.1.2. Effect of ,pH, on ,Dye, Removal Efficiency. Flocculation performance of PAC was often affected by ,pH, for the treatment of various industrial ,wastewater, samples, including textile dyeing ,wastewater, and dairy ,wastewater,.20,21 In this study, the effect of ,pH, on ,dye, removal efficiency was investigated in treating simulative ,dye wastewater, ...

Optimization of coagulation-flocculation process for ...
Optimization of coagulation-flocculation process for ...

decolourization ,of acid, red 44 (crystal ponceau 6R) in aqueous solution was studied. For this purpose, the response surface methodology (RSM) is used to develop a mathematical correlation between the ,pH,, coagulant dosages, ,dye, concentration, and time, for the colour removal from the ,dye, containing ,wastewater,. The main objective of using RSM is to

Role of pH in the Aqueous Phase Reactivity of Zerovalent ...
Role of pH in the Aqueous Phase Reactivity of Zerovalent ...

In a previous paper , we investigated the degradation of the azo ,dye Acid, Orange 7 (AO7, Scheme 1) by two RNIP suspensions commercialized at ,pH, values around 12. Those experiments were run in slightly basic conditions, as obtained after adding RNIP to a water solution of 0.67 mM AO7 (the latter having a natural ,pH, equal to 6.8, i.e., close to neutrality).

Water | Free Full-Text | The Application of Modified ...
Water | Free Full-Text | The Application of Modified ...

Another study reported a wide ,pH, range (from ,pH, 5 to ,pH, 9) available for the treatment ,of Acid, Blue 113 and Reactive Black 5, which happened to remove more than 90% of the ,dye, colors . In addition, increasing the grafting ratio also increases the floc size and compactness, resulting in a lower dosage being required, in order to achieve a higher color removal efficiency.

Effect of Biosorption Parameters Kinetics Isotherm and ...
Effect of Biosorption Parameters Kinetics Isotherm and ...

Dye wastewater, is usually treated by physical or chemical treatment processes. ... ,dye, removal process using SBG as biosorbent for the removal ,of acid, green ,dye, stuffs from their aqueous solutions. ... The effect of ,pH, on ,dye, removal was studied over a ,pH, range of 2-12. ,pH, was adjusted by addition of

Exploring the Reusability of Synthetically Contaminated ...
Exploring the Reusability of Synthetically Contaminated ...

29/5/2018, · Thus a value of 6.5 for ,pH, pzc further indicates that the TGSD adsorbent favourably adsorbed any cationic ,dye, at ,pH, of the ... ,wastewater, using ,low, ... of azo ,dye acid, red 14 in ...

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