Welcome to the company ! we have many years of professional experience !
rsdgj@pyzyrsd.com +86 513525609655

Treatment of water quality by fracturing fluid backflow

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.

Certificate of Honor

Get in touch with us

We will confidentially process your data and will not pass it on to a third party.

Treatment of water quality by fracturing fluid backflow
(PDF) Water and Wastewater Calculations Manual 2nd Ed Shun ...
(PDF) Water and Wastewater Calculations Manual 2nd Ed Shun ...

Skip to main ,content, Academia.edu no longer supports Internet Explorer. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser .

4-Chloro-2-methylphenoxyacetic Acid (MCPA) in Drinking ...
4-Chloro-2-methylphenoxyacetic Acid (MCPA) in Drinking ...

Cancer: Epidemiological studies on phenoxy herbicides in Canada, the United States, Australia, New Zealand and several European countries largely involve multiple exposures to various chlorophenoxy herbicides (including 2,4,5-dichlorophenoxyacetic ,acid, (2,4-D) and 2,4,5-T), as well as other pesticides, raw materials, intermediates and ,processing, chemicals.

Physical Water and Wastewater Treatment Processes
Physical Water and Wastewater Treatment Processes

Blevins (1984) gives headloss ,data, for a wide variety of other screen designs. Comminutors and In-Line Grinders Comminutors and in-line grinders are used to reduce the size of objects in raw ,wastewater,. They are supposed to eliminate the need for coarse screens …

Faouzi Ben Rebah | King Khalid University - Academia.edu
Faouzi Ben Rebah | King Khalid University - Academia.edu

From the obtained ,data,, it was concluded that the substitution of PAM with CJ in the coagulation-flocculation process was very effective, compared with PAM. Depending on the ,wastewater,'s origin, the bioflocculant showed removal efficiencies of 83.3-88.7% for suspended solids (SS) and 59.1-69.1% for chemical oxygen demand (COD).

Physical Water and Wastewater Treatment Processes
Physical Water and Wastewater Treatment Processes

Blevins (1984) gives headloss ,data, for a wide variety of other screen designs. Comminutors and In-Line Grinders Comminutors and in-line grinders are used to reduce the size of objects in raw ,wastewater,. They are supposed to eliminate the need for coarse screens …

h2o - Water Matters
h2o - Water Matters

SARS-CoV-2 in ,wastewater,: potential health risk, but also ,data, source. Lancet Gastroenterol Hepatol 2020, 5:533–534. Medema G, Been F, Heijnen L, Petterson S. Implementation of environmental surveillance for SARS-CoV-2 virus to support public health decisions: opportunities and challenges [published online ahead of print, 2020 Oct 1].

Diatomite: Its Characterization Modifications and ...
Diatomite: Its Characterization Modifications and ...

In addition, when diatomite is directly used in ,wastewater, treatment, there are some limitations, especially in column studies, especially in relation to low ,filtration, rate. Al-Ghouti et al . (2005) showed that MOMD is a much more effective adsorbent for the removal of …

pH - Wikipedia
pH - Wikipedia

31/10/2001, · When an ,acid, is dissolved in water C A = C H = C a, the concentration of the ,acid,, so [A] = [H]. After some further algebraic manipulation an equation in …

Wastewater Laboratory Procedures And Chemistry
Wastewater Laboratory Procedures And Chemistry

For example, the equivalent weight of sulfuric ,acid, (^SOtJ is 49 (98 divided by 2 because there are two re- placeable hydrogen.ions), A IN solution of sulfuric ,acid, would consist of 49 grams of F^SO^ dissolved in enough water to make one liter.

Laboratory Procedures: Analysis for Wastewater Treatment ...
Laboratory Procedures: Analysis for Wastewater Treatment ...

Calculate Volatile Acids Volatile Acids = Volatile ,acid, alkalinity (when this value is less than 180 mg/1) Volatile Acids - 1.5 x Volatile ,Acid, Alkalinity (when this value is more than 180 mg/1) CARBON DIOXIDE IN SEWAGE GAS 1.

Wastewater certification review grade 3 & 4 Oregon ...
Wastewater certification review grade 3 & 4 Oregon ...

Study Flashcards On ,Wastewater certification review grade 3, & 4 Oregon at Cram.com. Quickly memorize the terms, phrases and much more. Cram.com makes it easy to get the grade you want!

Membrane processes - Arabi - 2020 - Water Environment ...
Membrane processes - Arabi - 2020 - Water Environment ...

Damtie, Kim, and Choi conducted a bench‐scale ,experiment, to test the impact of MD membrane material, porosity, operational parameters, and feed characteristics on flux, wetting, and fluoride rejection for the treatment of synthetic industrial ,wastewater, with a fluoride concentration of 1,000–1,500 mg/L.

Ammonia Recovery using membrane distillation
Ammonia Recovery using membrane distillation

28 Nitrogen recovery from nitrogen rich wastewaters and slurries by thermal treatment processes, Christos Charisiadis 2015 Fig.21, Ammonia air ,stripping, including CO2 removal and ammonia recovery by sulphuric ,acid, scrubbers (Fuchs & Drosg, 2010) Fig.22, Details of a simplified in-vessel stirring process without ,stripping, columns (Bauermeister et al., 2009) The usage of packed columns is a big ...

removal of arsenic and heavy metals from strongly acidic ...
removal of arsenic and heavy metals from strongly acidic ...

The concentration of H2S in solution during the removal of As(III) and Cu(II) by thiosulfate under UV irradiation in real ,wastewater,. Conditions: [As(III)]=80.5 mg L-1, Cu(II) = 72.8 mg L-1, and [thiosulfate] = 10 mM...............................................................................61 Cost analysis .......................................

Glossary - Mountain Filtration Systems Inc.
Glossary - Mountain Filtration Systems Inc.

Activated carbon block is a blend of fine activated carbon (e.g., 80 X 325 mesh activated carbon), water, and a suitable binder (such as polyethylene or a similar material) that is mixed and molded and hardened or extruded to a cartridge filter of any size and shape.

Presentation Waste Water treatment.pptx | Sewage Treatment ...
Presentation Waste Water treatment.pptx | Sewage Treatment ...

The sulfuric ,acid, formed in the reaction is neutralized with lime. (CNO- is 3,000 - 5,000 times less toxic than CN-). (3) AVR-Acidification-Volatilization-Recovery process mixed with sulfuric ,acid,, liberating HCN gas is absorbed by caustic soda, forming sodium cyanide.

Lesson 7: Acids and Bases - Water/Wastewater Distance ...
Lesson 7: Acids and Bases - Water/Wastewater Distance ...

Since carbonic ,acid, is a weak ,acid,, it tends to stay in its un-ionized state, so the pH of the water remains neutral. The general ,formula, for alkalinity derived from a titration is: Example: A 100 mL sample of water is tested for alkalinity. The normality of the sulfuric ,acid, used for titrating is 0.02N.

Catalog of papers | CEST2019
Catalog of papers | CEST2019

In the ,experiment, were used cotton wastes. ... GIS environment contributes to the simultaneous ,processing, of all these ,data,, the representation of the spatial distribution of these parameters, and finally to depict of the most vulnerable areas. ... ,stripping, agents on the effective transport of toxic metal ions have been assessed.

Wastewater treatment compositions - Novozymes Biologicals ...
Wastewater treatment compositions - Novozymes Biologicals ...

For example, trickling filters have been recommended by governmental environmental regulatory agencies for use in ,processing wastewater, effluent from pulp and paper mills. However, no color removal has been achieved (see H. T. Chen et al., “Four Biological Systems for Treating Integrated Paper Mill Effluent,” TAPPI, 57, 5 (11-115) (1974)).

(PDF) Flow Equalization and Neutralization
(PDF) Flow Equalization and Neutralization

has an average specific gravity of 1.17 and an ,acid content, of 33% by weight. Properly lined tanks should be used to store this classification of hydrochloric ,acid,.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City