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Fracturing flowback fluid treatment agent

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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Fracturing flowback fluid treatment agent
Adsorptive Removal of Carbamazepine and Diatrizoate in ...
Adsorptive Removal of Carbamazepine and Diatrizoate in ...

acid, coated) nanoparticle into sand-column infiltration system was evaluated replicating the managed aquifer treatment system. Removal of ,carbamazepine, (CBZ) and diatrizoate (DTZ) in acrylic sand column was monitored for 18 days and the results have been discussed. 2. Materials and Methods 2.1. Artificial ,Wastewater

Specific adsorption sites and conditions derived by ...
Specific adsorption sites and conditions derived by ...

21/4/2020, · Carbamazepine was selected due to its persistence and abundance in the aquatic environments, in remarkable concentrations, and as it is considered as an …

Modeling carbamazepine transport in wastewater‐irrigated ...
Modeling carbamazepine transport in wastewater‐irrigated ...

The pharmaceutical compound ,carbamazepine, (CBZ) is a contaminant of emerging concern. ,Wastewater, irrigation can be a long‐term, frequent source of CBZ; therefore, understanding the fate and transport of CBZ as a result of ,wastewater, reuse practices has important environmental implications.

Rapid and Efficient Removal of Carbamazepine from Water by ...
Rapid and Efficient Removal of Carbamazepine from Water by ...

Carbamazepine, has been extensively used as an antiepileptic and antipsychotic drug and detected in ,wastewater, treatment effluents, surface waters, groundwater and drinking water. 3 It is a persistent organic compound in the environment 3 and toxic to the aquatic system. 4-7 It is

Persistence and fate of highly soluble pharmaceutical ...
Persistence and fate of highly soluble pharmaceutical ...

toxicity may be modified considerably. The influence of different wastewater treatment processes on pharmaceutical products was investigated. Pharmaceutical substances such as clofibric acid, carbamazepine, diclofenac, ibuprofen and naproxen were found in the Montreal physicochemical primary-

Modeling carbamazepine transport in wastewater‐irrigated ...
Modeling carbamazepine transport in wastewater‐irrigated ...

The pharmaceutical compound ,carbamazepine, (CBZ) is a contaminant of emerging concern. ,Wastewater, irrigation can be a long‐term, frequent source of CBZ; therefore, understanding the fate and transport of CBZ as a result of ,wastewater, …

Frontiers | Uptake of carbamazepine by rhizomes and ...
Frontiers | Uptake of carbamazepine by rhizomes and ...

Carbamazepine, is an antiepileptic and mood-stabilizing drug which is used widely in Europe and North America. In the environment, it is found as a persistent and recalcitrant contaminant, being one of the most prominent hazardous pharmaceuticals and personal care products in effluents of ,wastewater, treatment plants. Phragmites australis is one of the species with both, the highest …

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) …

Carbamazepine - Wikipedia
Carbamazepine - Wikipedia

Carbamazepine, (CBZ), sold under the trade name Tegretol among others, is an anticonvulsant medication used primarily in the treatment of epilepsy and neuropathic pain. It is used in schizophrenia along with other medications and as a second-line agent in bipolar disorder. ,Carbamazepine, appears to work as well as phenytoin and valproate for focal and generalized seizures.

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

Rapid and Efficient Removal of Carbamazepine from Water by ...
Rapid and Efficient Removal of Carbamazepine from Water by ...

Carbamazepine, has been extensively used as an antiepileptic and antipsychotic drug and detected in ,wastewater, treatment effluents, surface waters, groundwater and drinking water. 3 It is a persistent organic compound in the environment 3 and toxic to the aquatic system. 4-7 It is

Carbamazepine | C15H12N2O | ChemSpider
Carbamazepine | C15H12N2O | ChemSpider

Carbamazepine,, a sodium channel blocker, is ... de Leenheer, A.P., Quantitative gas chromatographic analysis of 3-cyano-3,3-diphenylpropionic ,acid,, the acidic metabolite of bezitramide (Burgodin ... (3.788E+006 days) Removal In ,Wastewater, Treatment: Total removal: 2.96 percent Total biodegradation: 0.10 percent Total sludge ...

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 surface water.

Caffeine vs. carbamazepine as indicators of wastewater ...
Caffeine vs. carbamazepine as indicators of wastewater ...

carbamazepine, transport in the subsurface as a result of ,wastewater, release in the Sorek creek over the outcrops of the carbonate, Yarkon-Taninim, aquifer in Israel. Both caf-feine and ,carbamazepine, were used as indicators of sewage contamination in the subsurface. While ,carbamazepine, is considered conservative, caffeine is subject to sorption and

Carbamazepine | C15H12N2O | ChemSpider
Carbamazepine | C15H12N2O | ChemSpider

Carbamazepine,, a sodium channel blocker, is ... de Leenheer, A.P., Quantitative gas chromatographic analysis of 3-cyano-3,3-diphenylpropionic ,acid,, the acidic metabolite of bezitramide (Burgodin ... (3.788E+006 days) Removal In ,Wastewater, Treatment: Total removal: 2.96 percent Total biodegradation: 0.10 percent Total sludge ...

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

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-

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