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Liu Fang 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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Liu Fang fracturing flowback fluid
Ozone oxidation of antidepressants in wastewater ...
Ozone oxidation of antidepressants in wastewater ...

The fate of 14 antidepressants along with their respective N-desmethyl metabolites and the anticonvulsive drug ,carbamazepine, was examined in a primary sewage treatment plant (STP) and following advanced treatments with ozone (O3). The concentrations of each pharmaceutical compound were determined in raw sewage, effluent and sewage sludge samples by LC-MS/MS analysis.

Determination of carbamazepine in urine and water samples ...
Determination of carbamazepine in urine and water samples ...

30/6/2018, · ,Carbamazepine, (CBZ, 5H-dibenzo [b,f] azepine-5-carboxamide) often used as anticonvulsant drug for treatment of epilepsy [1, 2].Whenever a patient consumes CBZ, about 2–3% of this drug will excrete unchanged through his urine and enters into environmental aquatic ecosystems [].Studies confirmed that CBZ can be present in ,wastewater, (up to 6.3 µg L −1) [4,5,6,7], surface water (up to 1.1 ...

Application of nanomaterials for demulsification of oily ...
Application of nanomaterials for demulsification of oily ...

The main problem of oily wastewater treatment is, breaking, the, emulsion., A procedure to, break, the, emulsion, is through, electrocoagulation process,, which is a very effective method. This process can destabilize the oil droplets in the water and allows the oil droplets to coagulate. Oil droplets stick to solid particles and settle.

Photochemical degradation of atenolol carbamazepine ...
Photochemical degradation of atenolol carbamazepine ...

Abstract The photochemical degradation of five pharmaceuticals was examined in two secondary ,wastewater, effluents. The compounds, which included atenolol, ,carbamazepine,, meprobamate, phenytoin and primidone, were evaluated for both direct and sensitized photolysis.

Removal of pharmaceuticals from wastewater by biological ...
Removal of pharmaceuticals from wastewater by biological ...

22 pharmaceuticals and synthetic ,wastewater, composition. The suspended activated sludge 23 process showed poor and inconsistent removal of clofibric ,acid,, ,carbamazepine, and 24 diclofenac, while ibuprofen, naproxen and ketoprofen yielded over 74 % removal. Moving

Demulsification of Acidic Oil-in-Water Emulsions Driven by ...
Demulsification of Acidic Oil-in-Water Emulsions Driven by ...

Request PDF | Demulsification of ,Acidic, Oil-in-Water Emulsions Driven by Chitosan Loaded Ti3C2Tx | Layered Ti3C2Tx powders have been experimentally proved to hold high adsorption activity, while ...

(PDF) Demulsification of oily wastewater through a ...
(PDF) Demulsification of oily wastewater through a ...

Demulsification of ,oily wastewater, through a synergistic effect of ozone and salt. Water Science and Technology, 1998. Young-Chae Song

Water | Free Full-Text | Removal of Emulsified Oil from ...
Water | Free Full-Text | Removal of Emulsified Oil from ...

10/11/1993, · Demulsification effect of various, Fe 3 O 4, M,NPs, in diesel oil-in-water emulsion. pH is usually regarded as an important parameter affecting the oily wastewater treatment efficiency [ 4 ], and hence the demulsification performance of the MNPs was evaluated at various pH levels.

Final Report | Impact of Residual Pharmaceutical Agents ...
Final Report | Impact of Residual Pharmaceutical Agents ...

Removal of ,carbamazepine, from surface water using direct photolysis is not likely to be feasible due to its low quantum yield (0.0006 and 0.0023mol.einstein-1using LP and MP lamps, respectively). Indirect photolysis however, will increase the degradation of ,carbamazepine, and naproxen considerably in …

Demulsification of Water-in-Crude Oil Emulsions Using ...
Demulsification of Water-in-Crude Oil Emulsions Using ...

Functionalized graphene oxide with core-shell of [email protected] acid nanospheres as a recyclable demulsifier for effective removal of emulsified oil from ,oily wastewater,. Journal of Water Process Engineering 2019, 32 , 100961. https://doi.org/10.1016/j.jwpe.2019.100961

Irrigation of Root Vegetables with Treated Wastewater ...
Irrigation of Root Vegetables with Treated Wastewater ...

clofibric ,acid,, diclofenac, gemfibrozil, ibuprofen, ketoprofen, naproxen, sulfame-thoxazole, and sildenafil). PCs in leaves were found at higher concentrations than in the roots. ,Carbamazepine, metabolites were found mainly in the leaves, where the concentration of the metabolite 10,11-epoxycarbamazepine was significantly

Oil Water Separators & Emulsification Breaking Systems ...
Oil Water Separators & Emulsification Breaking Systems ...

Separating emulsified oil from water can have different applications. Simple demulsification can be achieved by using a technique referred to as Acid-Cracking. By reducing the pH of the ,wastewater, to a range between 2 and 4, the free oil will separate and rise to the surface of the oil water separator.

Demulsification of Oleic-Acid-Coated Magnetite ...
Demulsification of Oleic-Acid-Coated Magnetite ...

The ED was independent of pH and electrolyte (NaCl or CaCl2) concentration, under the studied conditions. The magnetic, demulsifier, exhibited excellent stability after reuse over 6 cycles. Fe3O4@OA nanoparticles are effective for oil–water multiphase separation and treating oily wastewater.

Highly efficient treatment of terephthalic acid wastewater ...
Highly efficient treatment of terephthalic acid wastewater ...

2.2. Preparation of TA ,wastewater, and characterization of tourmaline In this work, terephthalic ,acid wastewater, (TAW) con-sisted of 60 mg/L TA, 40 mg/L BA, 4.2 g/L acetic ,acid,, 1 g/L NaOH and hard water. The pH value was approximately 4.44. Tourmaline was analyzed with the scanning electron microscopy (SEM, S-3400N II, Hitachi, Japan) and ener-

(PDF) Microwave demulsification of heavy crude oil ...
(PDF) Microwave demulsification of heavy crude oil ...

Microwave demulsification of heavy crude oil emulsions: Analysis of acid species recovered in the aqueous phase. Fuel, 2014. Alexandre Santos. Montserrat Heredia. Elton Franceschi.

Photodegradation of pharmaceutical compounds in partially ...
Photodegradation of pharmaceutical compounds in partially ...

Total pharmaceutical removals in a ,wastewater, matrix irradiated at λ ≥ 280 for 120 minutes were 47% for trimethoprim, 50% for ,carbamazepine,, 60% for atenolol, and 57% for fluoxetine at fluences of 58.6 mEi m −2 (2033.1 mJ cm −2).

Demulsification of oily wastewater through a synergistic ...
Demulsification of oily wastewater through a synergistic ...

1/1/1998, · In order to examine the interaction between ozone and salt in demulsification reaction, demulsification efficiency was evaluated for the emulsion ,wastewater, which was provided for ozone(29mglmin)inthepresenceof3%salt.Herethereaction rateWassignificantly higherthanwhenonly treatmentofsaltorozonewasmade.givingmorethan98%efficiencyin20min.Theefficiency wasatleast 40% …

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