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The filtration effect of fracturing flowback fluid is poor

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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The filtration effect of fracturing flowback fluid is poor
Removal Technologies in Wastewater Treatment | IWA Publishing
Removal Technologies in Wastewater Treatment | IWA Publishing

Copper, nickel, ,zinc,, manganese etc. are co-precipitated in Fe oxides and cobalt, iron, nickel and ,zinc, are co-precipitated in manganese oxides (Stumm and Morgan, 1981; Noller et al., 1994). Even though chemical precipitation is a widely used method, it has the drawbacks of producing large amount of concentrated and further toxic sludge wastes, which leads to disposal problems.

Effective Removal of Levofloxacin from Pharmaceutical ...
Effective Removal of Levofloxacin from Pharmaceutical ...

3/4/2020, · Briefly, a solution of sulfuric ,acid, (25 mL) ,containing, 0.5 g of graphite was prepared, ... O.A. Effective Removal of Levofloxacin from Pharmaceutical ,Wastewater, Using Synthesized ,Zinc, Oxid, ...

Treatment of model solutions and wastewater containing ...
Treatment of model solutions and wastewater containing ...

15/12/2017, · Treatment of model solutions and ,wastewater containing, selected hazardous metal ions using a chitin/lignin hybrid material as an effective sorbent. Bartczak P(1), Klapiszewski Ł(1), Wysokowski M(1), Majchrzak I(1), Czernicka W(1), Piasecki A(2), Ehrlich H(3), Jesionowski T(4).

Treatment of Laboratory Heavy Metal Wastewater Containing ...
Treatment of Laboratory Heavy Metal Wastewater Containing ...

Treatment of Laboratory Heavy Metal ,Wastewater Containing, Organic Acids by Coprecipitation with Aluminum Hydroxide : Experiments with the Mixed Solution of Oxalic ,Acid, and ,Zinc,. EIJI HIRAI, TETSUJI CHOHJI, AKIHIRO TOUDA, YOSHISHIGE HAYASHI. 1) Department of ...

CHROMIUM REMOVAL FROM TANNERY WASTEWATER …
CHROMIUM REMOVAL FROM TANNERY WASTEWATER …

The schematic diagram of the electrocoagulation process is shown in Fig. 1. A ,zinc, plate (13.20 cm × 5.30 cm) and cupper plate (13.20 cm × 5.30 cm) were used as anode and cathode. In the batch experiment, 500 mL chromium-,containing wastewater, was used for electrocoagulation process where electrodes were immersedin the ,wastewater,. Direct

Reach Zinc - Zinc hydroxide (243-814-3)
Reach Zinc - Zinc hydroxide (243-814-3)

Wastewater,, cadmium sulfate electrolytic, ,acid, (273-721-3) ,Wastewater,, ,zinc, sulfate electrolytic, ,acid, (273-723-4) Leach residues, ,zinc, ore-calcine, ,zinc, cobalt (273-769-5) Leach residues, cadmium cake (293-309-7) Cement copper (266-964-1) Leach residues, ,zinc, ore, lead-contg. (293-314-4) Calcines, lead-,zinc, ore conc. (305-411-1)

Treatment of Wastewater containing zinc by steel slag ...
Treatment of Wastewater containing zinc by steel slag ...

Added a volume of 10% sulfuric ,acid, solution into a beaker with a certain amount of steel slag, stirred for 30 min, filtrated and washed three times with distilled water , dried the steel slag and for spare. A certain concentration of simulation ,wastewater containing zinc, was preparated with ,zinc

2. POTENTIALLY TOXIC ELEMENTS: SOURCES PATHWAYS …
2. POTENTIALLY TOXIC ELEMENTS: SOURCES PATHWAYS …

elements found in commercial ,wastewater, are generally greater than those in domestic ,wastewater,. ... mg.l-1 of ,zinc,, 5-10 mg.l-1 of ,zinc,, 1-5 mg.l-1 of cyanide, and 10-50 mg.l-1 of suspended solids ... Domestic products ,containing, potentially toxic elements used on a regular basis at home

Treating Metal Finishing Wastewater
Treating Metal Finishing Wastewater

toxicity to human and other biological life. Heavy metals typically present in metal finishing ,wastewater, are cadmium, chromium, copper, lead, nickel, silver, tin, and ,zinc,. Table 1 shows the EPA best practical control technology, BPT, limits for metal finishing effluent.

Treatment of wastewater containing copper zinc nickel ...
Treatment of wastewater containing copper zinc nickel ...

Fixed bed tests were conducted to investigate the efficiency of Duolite ES‐467 for the selective removal of copper ions from multi‐metal solutions. Breakthrough curves were obtained using Duolite ES‐467 for solutions ,containing, copper, nickel and copper, ,zinc,, nickel and cobalt. Elution studies were also carried out using sulfuric ,acid,.

Treatment of wastewater containing copper zinc nickel ...
Treatment of wastewater containing copper zinc nickel ...

Fixed bed tests were conducted to investigate the efficiency of Duolite ES‐467 for the selective removal of copper ions from multi‐metal solutions. Breakthrough curves were obtained using Duolite ES‐467 for solutions ,containing, copper, nickel and copper, ,zinc,, nickel and cobalt. Elution studies were also carried out using sulfuric ,acid,.

Treatment of zinc plating wastewater by combination of ...
Treatment of zinc plating wastewater by combination of ...

The effect of ,wastewater, pH on ,zinc, removal was investigated by using a 100 kDa ultrafiltration membrane at pH 3, 5, 8, 9 and 11 and the results are presented in Figure 2. It can be seen from Figure 2 that the ,zinc, removal increased from 92.4 to 99.9% when the pH increased from 3 to 9 and slightly decreased with the further increase in pH.

Heavy Metal Removal (Copper and Zinc) in Secondary ...
Heavy Metal Removal (Copper and Zinc) in Secondary ...

Microalgae is used for the removal of heavy metals from a ,wastewater treatment, plant discharge. Laboratory-scale experiments are described that characterize the heavy metal uptake of copper and ,zinc, by three microalgae strains: Chlorella vulgaris, Spirulina maxima, and a naturally growing algae sample found in the ,wastewater, from a ,wastewater treatment, plant (,containing, Synechocystis sp ...

Removal Technologies in Wastewater Treatment | IWA Publishing
Removal Technologies in Wastewater Treatment | IWA Publishing

Copper, nickel, ,zinc,, manganese etc. are co-precipitated in Fe oxides and cobalt, iron, nickel and ,zinc, are co-precipitated in manganese oxides (Stumm and Morgan, 1981; Noller et al., 1994). Even though chemical precipitation is a widely used method, it has the drawbacks of producing large amount of concentrated and further toxic sludge wastes, which leads to disposal problems.

Wastewater zinc sulfate electrolytic acid - Substance ...
Wastewater zinc sulfate electrolytic acid - Substance ...

Wastewater,, ,zinc, sulfate electrolytic, ,acid,. Electrolytic solution from electrolysis of ,zinc, sulfate consisting primarily of ,zinc, sulfate, ... from industry data and where the majority of data submitters have indicated that the property relates to cases ,containing, impurities and/or additives, ...

Treatment of Laboratory Heavy Metal Wastewater Containing ...
Treatment of Laboratory Heavy Metal Wastewater Containing ...

Treatment of Laboratory Heavy Metal ,Wastewater Containing, Organic Acids by Coprecipitation with Aluminum Hydroxide : Experiments with the Mixed Solution of Oxalic ,Acid, and ,Zinc,. EIJI HIRAI, TETSUJI CHOHJI, AKIHIRO TOUDA, YOSHISHIGE HAYASHI. 1) Department of ...

Treatment of Wastewater containing zinc by steel slag ...
Treatment of Wastewater containing zinc by steel slag ...

Added a volume of 10% sulfuric ,acid, solution into a beaker with a certain amount of steel slag, stirred for 30 min, filtrated and washed three times with distilled water , dried the steel slag and for spare. A certain concentration of simulation ,wastewater containing zinc, was preparated with ,zinc

2. POTENTIALLY TOXIC ELEMENTS: SOURCES PATHWAYS …
2. POTENTIALLY TOXIC ELEMENTS: SOURCES PATHWAYS …

elements found in commercial ,wastewater, are generally greater than those in domestic ,wastewater,. ... mg.l-1 of ,zinc,, 5-10 mg.l-1 of ,zinc,, 1-5 mg.l-1 of cyanide, and 10-50 mg.l-1 of suspended solids ... Domestic products ,containing, potentially toxic elements used on a regular basis at home

Using sulfuric acid wastewater containing zinc for the ...
Using sulfuric acid wastewater containing zinc for the ...

Poly-silicate-ferric-,zinc, flocculant has been made from sulfuric ,acid wastewater containing, Zn2 +,iron scraps and sodium silicate.The results show that when the mass refraction of SiO2 is 0.020-0.025,n(Fe+Zn)/n(Si) is 1.5-2.0,silicic ,acid, activated pH is 1.56-2.12 and activation time is 12-16 h.The flocculation capacity of the prepared poly-silicate-ferric-,zinc, flocculant is excellent.The ...

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