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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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wastewater disposal system
Fenton and solar photo-Fenton processes for the removal of ...
Fenton and solar photo-Fenton processes for the removal of ...

The use ,of Fenton, and photo-,Fenton, processes in the treat-ment of pesticide-containing ,wastewater, is a recent ,application,. The degradation of triazine herbicides (Burrows et al., 2002), methylparathion (Chiron et al., 1999), fenuron (Acero et al., In this work, the efficiency of AOPs in the remediation of

Modified Fenton's processes for effective in‐situ chemical ...
Modified Fenton's processes for effective in‐situ chemical ...

Abstract. ,Fenton,'s ,reagent, in its conventional form, although effective for contaminant treatment, is impractical from an in‐situ field ,application, perspective due to low pH requirements (i.e., pH 3‐4), and limited ,reagent, mobility when introduced into the subsurface. Modified ,Fenton,'s processes that use chelated‐iron catalysts and stabilized ...

Fenton Process for Wastewater Treatment - Water Care Services
Fenton Process for Wastewater Treatment - Water Care Services

Fenton process for wastewater treatment has been an effective technique comprising of toxic refractory and organic pollutants. Fenton process comprise of Advanced Oxidation Processes (AOPs) developed for the improvement of biodegradability of organic pollutants through oxidation process. Fenton process is more popular as compared to other AOPs due ...

Progress in the Mechanism and Kinetics of Fenton Reaction
Progress in the Mechanism and Kinetics of Fenton Reaction

/ferric oxalate [8], microwave/,Fenton reagent, [9], and ultrasound/ ,Fenton reagent, [10]. The mechanism ,of Fenton, reaction and the intermediate species are still under controversial discussion although the ,Fenton reagent, has been researched by many researchers as a powerful oxidant in ,wastewater, treatment, biological systems and natural water.

Progress in the Mechanism and Kinetics of Fenton Reaction
Progress in the Mechanism and Kinetics of Fenton Reaction

/ferric oxalate [8], microwave/,Fenton reagent, [9], and ultrasound/ ,Fenton reagent, [10]. The mechanism ,of Fenton, reaction and the intermediate species are still under controversial discussion although the ,Fenton reagent, has been researched by many researchers as a powerful oxidant in ,wastewater, treatment, biological systems and natural water.

Enhanced Removal of Sulfonated Lignite from Oil Wastewater ...
Enhanced Removal of Sulfonated Lignite from Oil Wastewater ...

A large amount of ,wastewater, is generated during the oil recovery process of deep shale, which may cause considerable environmental hazards that may not be effectively treated [1,2].Sulfonated lignite (SL), as a representative organic component in oilfield ,wastewater,, is synthesized from lignite in the presence of sulfonating agents, acids, alkalis, formaldehyde, and other inorganic salts at ...

Improvement the Activity and Selectivity of Fenton System ...
Improvement the Activity and Selectivity of Fenton System ...

The Fenton reagent is a simple catalyst system which is composed of Fe 2+ and H 2 O 2. In the reaction process with Fenton’s reagent, the hydroxyl radicals are generated rapidly at the presence of ferrous ion. This catalyst system is proved to be successful for the treatment of organic pollutants in industrial wastewater [1–12].

Application of Advanced Oxidation Process for Water and ...
Application of Advanced Oxidation Process for Water and ...

Fenton-Related AOPs. Iron is most commonly used material for the generation of hydroxyl radicals in the treatment process of waste water. The process is called as fenton process. In this process,H2O2 reacts with Fe2+ to generate strong reactive species.

Insight into the roles of endogenous minerals in the ...
Insight into the roles of endogenous minerals in the ...

The content of C, H, O, and N in biochar before and after deashing is displayed in Table 1, and the atomic ratios of H/C and (N + O)/C were calculated to analyzed the aromaticity and polarity of biochar.The (O + N)/C ratio of DBC800, PBC800, and PBC800-A were determined to be 0.210, 0.375, and 0.398, respectively, indicating that the polarity of PBC800 and PBC800-A was significantly higher ...

Application of Advanced Oxidation Process for Water and ...
Application of Advanced Oxidation Process for Water and ...

(d)Fenton-Related AOPs Iron is most commonly used material for the generation of hydroxyl radicals in the treatment process of waste water. The process is called as fenton process. In this process ,H 2 O 2 reacts with Fe2+ to generate strong reactive species. The

Fenton's reagent-enhanced supercritical water oxidation of ...
Fenton's reagent-enhanced supercritical water oxidation of ...

Fenton's reagent is a combination of ferrous salt and H 2O 2. Fenton oxidation is an advanced oxidation method that mainlyreliesonthestrongoxidizingpropertiesoftheFenton's reagent to degrade pollutants.19–22 CatalysisbyFe2+ can make H 2O 2 decompose to produce hydroxyl radicals (HOc)with extremely strong oxidizing properties, thus effectively

Improving the efficiency of Fenton reactions and their ...
Improving the efficiency of Fenton reactions and their ...

Fenton reactions are ideally suitable for degrading HEBZ in wastewater, based on its structural properties. Herein, we first utilized a deceleration feeding mode in the Fenton process and researched its effect on the degradation efficiency of HEBZ in wastewater, by measuring the yield of hydroxyl radicals (˙OH) and the COD removal rate, and comparing these with those from one-time feeding and uniform …

USE OF FENTON'S REAGENT FOR REMOVAL OF PESTICIDES …
USE OF FENTON'S REAGENT FOR REMOVAL OF PESTICIDES …

process of pesticide removal from industrial ,wastewater, using ,Fenton,’s reaction has been analysed by taking into consideration COD removal. The optimum ratio of [Fe2+] to [H2O2] was 1:1.56 (mM/mM) at pH 3.0 and room temperature (20°C). 93 % COD removal was achieved when treated ,wastewater, by ,Fenton,’s ,reagent,. Keywords: Pesticide removal ...

[PDF] Applications of Advanced Oxidation for Wastewater ...
[PDF] Applications of Advanced Oxidation for Wastewater ...

These AOPs utilize the very ,strong, oxidizing power of hydroxyl radicals to oxidize organic compounds to the preferred end products of carbon dioxide and water. Advanced oxidation has been used to treat ,wastewater, from groundwater remediation pump-and-treat systems, manufacturing facilities, domestic ,wastewater, treatment plants, and others.

COAGULATION AND FLOCCULATION TREATMENT OF WASTEWATER …
COAGULATION AND FLOCCULATION TREATMENT OF WASTEWATER …

Besides, the sample of ,wastewater, was adjusted from the initial pH 12.99 to pH 4 in the experiments due to chitosan is soluble in acidic aqueous phases, but insoluble in basic aqueous phases. The pH was controlled by adding either ,strong acid, (HCl) or ,strong, base (NaOH). Before fractionated into the beakers containing 500mL of

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