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Current situation of fracturing flowback fluid at home and abroad

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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Current situation of fracturing flowback fluid at home and abroad
Application of ferrous hydrogen peroxide for treatment of ...
Application of ferrous hydrogen peroxide for treatment of ...

When the ,wastewater, was treated with ferrous ,hydrogen peroxide, oxidation ( [Fe2+] = 2.7 mmol/L, [H2O2] = 0.21 mol/L) after a flocculation using an organic flocculant TS-1 at a dosage of 3 g/L, the overall COD and color removals were 64 and 62%, respectively. BOD5/COD value of the effluent was 0.3.

Calcium Nitrate Applications in Wastewater | USP Technologies
Calcium Nitrate Applications in Wastewater | USP Technologies

Nitrates can be used in certain applications where ,hydrogen, sulfide odor is already present (curative) or to prevent the formation ,of hydrogen, sulfide (preventative) odor. Curative Applications Nitrates react mainly in the water column providing electrons for oxidation.

Processes Application for Cosmetic Wastewater Treatment
Processes Application for Cosmetic Wastewater Treatment

the process is around 3.0 [41]. ,Hydrogen peroxide, is a weak ,acid,, and therefore, its stability at low pH increases. Typically, when lowering the pH below 3.0, there is a problem with the catalytic cleavage of the ,hydrogen peroxide, to the hydroxyl radical and the hydroxyl ion, which negatively a ects the e …

Disinfection of Wastewater by Hydrogen Peroxide or ...
Disinfection of Wastewater by Hydrogen Peroxide or ...

Hydrogen peroxide and peracetic acid in wastewater over time could be modeled as a second‐order decay, with the decay “constant” being a function of the initial concentration of peroxycompounds. This function was the same for both hydrogen peroxide and peracetic acid, possibly indicating similar decomposition pathways in wastewater matrices.

Environmental Applications - Evonik Industries
Environmental Applications - Evonik Industries

There are numerous examples where hydrogen peroxide helps to prevent or reduce negative impacts on the environment. Furthermore, hydrogen peroxide is often regarded as a true “green chemical”. In contrast to many other red-ox agents, hydrogen peroxide introduces no additional substances other than water into the reaction system.

Sodium Chlorite Hydrogen Sulfide Control in Wastewater ...
Sodium Chlorite Hydrogen Sulfide Control in Wastewater ...

Hydrogen peroxide (H 2 O 2) is applied to the wastewater system usually where there is a retention time of less than 5 hours and at least 30 minutes prior to the point where the hydrogen sulfide is released. Hydrogen peroxide is a stronger oxidant than either chlorine or …

Disinfection of wastewater by hydrogen peroxide or ...
Disinfection of wastewater by hydrogen peroxide or ...

Hence, ,hydrogen peroxide, was infeasible as a disinfectant for this ,application,. On the other hand, the peracetic ,acid, dose needed to achieve the target fecal coliform level was only 0.6 to 1.6 mg/L. Therefore, peracetic ,acid, seems to be a promising disinfectant for physicochemical or primary effluent, or combined sewer overflows.

ELEMENTS - Peroxide Power
ELEMENTS - Peroxide Power

In addition, hydrogen peroxide is used to decontaminate wastewater containing cyanide, which comes from electroplating works, hardening plants, blast furnace gas, and mines. H₂O₂ oxidizes cyanide to form cyanate, which is then hydrolyzed to form ammonia and carbonic acid.

hydrogen peroxide as a disinfectant - Lenntech
hydrogen peroxide as a disinfectant - Lenntech

Most ,hydrogen peroxide, applications consist ,of hydrogen peroxide, injection into flowing water. No other chemicals or equipment are required. This ,application, is used to control biological growth, to add oxygen, to remove chlorine residues and to oxidize sulphides, …

Sodium Chlorite Hydrogen Sulfide Control in Wastewater ...
Sodium Chlorite Hydrogen Sulfide Control in Wastewater ...

Hydrogen peroxide, (H 2 O 2) is applied to the ,wastewater, system usually where there is a retention time of less than 5 hours and at least 30 minutes prior to the point where the ,hydrogen, sulfide is released. ,Hydrogen peroxide, is a stronger oxidant than either chlorine or potassium permanganate. ,Hydrogen peroxide

Wastewater Odor Control Applications with Hydrogen | USP ...
Wastewater Odor Control Applications with Hydrogen | USP ...

Wastewater Odor Control Applications with Hydrogen Peroxide Hydrogen Peroxide as a Replacement for Wastewater Odor Control using Sodium Hypochlorite. Hydrogen peroxide may be used in both mist scrubbers and packed tower scrubbers as a replacement for sodium hypochlorite (bleach).

hydrogen peroxide as a disinfectant - Lenntech
hydrogen peroxide as a disinfectant - Lenntech

Most ,hydrogen peroxide, applications consist ,of hydrogen peroxide, injection into flowing water. No other chemicals or equipment are required. This ,application, is used to control biological growth, to add oxygen, to remove chlorine residues and to oxidize sulphides, …

Guide to Hydrogen Peroxide (H2O2) in Hydroponics | Trees.com
Guide to Hydrogen Peroxide (H2O2) in Hydroponics | Trees.com

In some ,wastewater, treatment processes, ... For proper ,application, of pure ,Hydrogen Peroxide,, you should always use food-grade ,hydrogen peroxide,. ... a little bit like ,acid,. If accidentally consumed, 35% ,peroxide, can severely burn and damage your food pipe and digestive tract.

BOD and COD Removal Hydrogen Peroxide - Knowledge ...
BOD and COD Removal Hydrogen Peroxide - Knowledge ...

This occurs by the natural decomposition of hydrogen peroxide to oxygen and water, i.e., hydrogen peroxide will supersaturate the wastewater with oxygen, which results in the formation of evenly dispersed microbubbles which scavenge FOG constitutents as they rise to the surface of the water.

Disinfection of Wastewater by Hydrogen Peroxide or ...
Disinfection of Wastewater by Hydrogen Peroxide or ...

received widespread application for wastewater disinfection in North America are hydrogen peroxide (H202) and peracetic acid (PAA). Searches of recent literature have failed to reveal any case studies of the use of hydrogen peroxide for full-scale wastewater disinfection, although it has been used for activated-sludge bulking

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