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Guanidine gum fracturing fluid flowback treatment process

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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Guanidine gum fracturing fluid flowback treatment process
polyaluminium chloride | AQUASOL Water Treatment Solutions
polyaluminium chloride | AQUASOL Water Treatment Solutions

6000 ,media, is composed of a species of zeolites called clinoptilolite has extremely macro-porous surface area which makes them a preferred ,media, for sediment removal in a wide variety of applications. This new generation of ,filtration media can be used, as a direct replacement for sand/anthracite, this allows customers to improve.

Modified coagulation processes using polyferric chloride ...
Modified coagulation processes using polyferric chloride ...

7/4/2021, · Figure 4 shows the dye removal efficiency at different initial dye concentrations under optimal conditions (pH and coagulant dose). As can be seen, PFC at, dye, concentration of 150 mg/L had the maximum, dye, removal with an efficiency of 92.37% and PTC at, dye, concentration of 200 mg/L had the maximum dye removal with an efficiency of 99.83%.

Electropositive Nanodiamond-Coated Quartz Microfiber ...
Electropositive Nanodiamond-Coated Quartz Microfiber ...

Electropositive membranes demonstrating high flux at low pressure differentials show great promise as universal separation platforms for viruses and other charged entities when centralized systems of water and power are scarce. However, the fabrication of a suitably stable membrane with optimal electrostatic characteristics remains a challenge. Here, hydrogenated detonation nanodiamond was ...

Alkaline Wastewater - an overview | ScienceDirect Topics
Alkaline Wastewater - an overview | ScienceDirect Topics

Chemical pretreatment may involve pH adjustment or coagulation and flocculation. The acidity or alkalinity of wastewater affects both wastewater treatment and the environment., Low pH, indicates increasing acidity while a high pH indicates increasing alkalinity. The pH of wastewater needs to remain between 6 and 9 to protect organisms.

Application of Ferrate for Advanced Water and Wastewater ...
Application of Ferrate for Advanced Water and Wastewater ...

22/8/2019, · The optimal ,conditions, were found with dye concentration 0.08 mmol L −1, ,pH, = 8.4 and ferrate dosage 2.5 mg L −1, giving discolouration of 99% after 20 min also; about 42% COD removal and 9% TOC removal were observed after 60 min

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

In this study, the effect of, pH, on, dye, removal efficiency was investigated in treating simulative, dye wastewater under acidic,, neutral, and alkaline, conditions., The, dye, removal efficiency ( R 1 ) of PAC as a function of pH is illustrated in Figure 2 .

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · Summary The mining of metallic ores (e.g. iron, copper, lead, zinc, molybdenum, and tungsten), precious metals such as gold, platinum and silver, and large scale coal mining all produces ,wastewater, (U.S.EPA, 2010). As discussed below, this ,waste water, is usually mine drainage pumped from mining areas, water ,used, and discharged from the processing of the…

TREATMENT OF WASTEWATER CONTAINING DYE MIXTURE …
TREATMENT OF WASTEWATER CONTAINING DYE MIXTURE …

the removal of potentially toxic substances from the effluent, ,precipitation, is the most widely used for the removal of metals from industrial effluents. In this experiment, we used the lime, which was added to treated effluents, while maintaining the ,pH, value in the range 7.5-8, in order to meet the requirements [14].

Recent trends and developments in Fenton processes for ...
Recent trends and developments in Fenton processes for ...

In another study on ,dye wastewater, treatment (Orange II ,dye,), color, TOC, and COD removal efficiencies of 91%, 36%, and 29%, respectively, were obtained after 90 min with 6 mM H 2 O 2, at ,pH, 3, and 70 °C, using commercial FeZSM5 zeolite as the catalyst (Queirós et al., 2015); the iron concentration in the treated solution was 0.173 mg L −1, corresponding to a leaching rate of 0.13%.

Decolorization of acid and basic dyes: understanding the ...
Decolorization of acid and basic dyes: understanding the ...

11/6/2015, · A deep investigation about the mode of action of E. coli was carried out to demonstrate that dye decolorization mainly occurred via three different pathways, specifically bacterial induced ,precipitation,, cell wall adsorption, and metabolism, whose weight was correlated with the chemical nature of the dye.

Methyl Orange - an overview | ScienceDirect Topics
Methyl Orange - an overview | ScienceDirect Topics

Methyl Orange. MO is one of the very common water-soluble azo dyes (commonly known as a ,pH, indicator) that is extensively used in several industries including the textile, paper, printing, and food industries and mostly discharged in industrial ,wastewater, (Malviya et al., 2015).

Precipitation Methods Using Calcium-Containing Ores for ...
Precipitation Methods Using Calcium-Containing Ores for ...

The chemical, precipitation, method is a simple process, low in cost, and widely used for fluoride removal. F-containing, wastewater, of high concentration usually exhibits strong acidity (pH = 1–2). Therefore, fluoride ions can be removed by, precipitation, with calcium ions, and in the meantime

A crosslinking-induced precipitation process for the ...
A crosslinking-induced precipitation process for the ...

15/10/2019, · The precipitation occurs in the form of a PVA/boric acid/didiol complex that is produced at pH 8–10 by a reaction with boric acid, or with borax added in the presence of inorganic salts , , . It is a simple and cost-effective method, but the sludge dewatering is a difficult process, primarily because of the hydrophilic nature of PVA.

Treatment of real benzene dye intermediates wastewater by ...
Treatment of real benzene dye intermediates wastewater by ...

On the contrary, ,under, the ,conditions, of higher ,pH,, the production of ˙OH is inhibited by ferric hydroxo complexes. Moreover, Fe 2+ or Fe 3+ tends to generate a variety of amorphous complex ,precipitation, even further forming Fe(OH) 4 − when the ,pH, value is higher, 39,40 which significantly decreases the oxidation capability of the system.

Vol. 4 Issue 3 March 2015 Studies on Decolourisation of ...
Vol. 4 Issue 3 March 2015 Studies on Decolourisation of ...

operational ,conditions, such as ,pH,, initial dye concentration, and temperature and also evaluate the toxicity of treated effluent by plant. II EXPERIMENTAL II.1. MATERIALS II.1.1. DYE AND CHEMICAL ,Acid, blue 113 Dye (CAS No.3351-05-1) used in this study was purchased from Sigma Aldrich India. All

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