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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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Electrochemical Treatment Applied to Food-Processing ...
Electrochemical Treatment Applied to Food-Processing ...

8/12/2005, · The removal of organic pollutants from food-industry ,wastewater, by an aluminum electrocoagulation ,process, was evaluated using a pilot batch reactor coupled to a rotating electrode. Under optimal conditions of pH 4, 18.2 A m-2 current density, and 150 rpm electrode rotational velocity, the electrochemical method yields a very effective reduction of all organic pollutants.

Pressurized Liquid Extraction Optimization from ...
Pressurized Liquid Extraction Optimization from ...

15/4/2021, · A high amt. of hydroxytyrosol was solubilized and increased with increasing steaming temp. and time, reaching 1.4-1.7 g/100 g of dry alperujo. The effect of acidic (H2SO4) and basic (NaOH) catalysts was also evaluated. ,Acid,-catalyzed ,treatment, was more effective at milder conditions, whereas the alkali-catalyzed conditions were not very suitable.

Ultrapure water - Wikipedia
Ultrapure water - Wikipedia

Ultrapure water, (UPW), high-purity water or highly purified water (HPW) is water that has been purified to uncommonly stringent specifications. ,Ultrapure water, is a term commonly used in the semiconductor industry to emphasize the fact that the water is treated to the highest levels of purity for all contaminant types, including: organic and inorganic compounds; dissolved and particulate ...

Urea - Wikipedia
Urea - Wikipedia

Urea,, also known as carbamide, is an organic compound with chemical formula CO(NH 2) 2.This amide has two –NH 2 groups joined by a carbonyl (C=O) functional group.. ,Urea, serves an important role in the metabolism of nitrogen-containing compounds by animals and is the main nitrogen-containing substance in the urine of mammals.It is a colorless, odorless solid, highly soluble in water, and ...

Equipment in Stainless Steel - HUBER SE
Equipment in Stainless Steel - HUBER SE

HUBER stainless steel products are the best solution for water and ,wastewater treatment, applications - municipal and industrial. So, you should choose a material that satisfies the highest needs: unrivalled lifespan; absolute corrosion resistance due to ,acid treatment, in a pickling bath and ,passivation

Urea - Wikipedia
Urea - Wikipedia

Urea,, also known as carbamide, is an organic compound with chemical formula CO(NH 2) 2.This amide has two –NH 2 groups joined by a carbonyl (C=O) functional group.. ,Urea, serves an important role in the metabolism of nitrogen-containing compounds by animals and is the main nitrogen-containing substance in the urine of mammals.It is a colorless, odorless solid, highly soluble in water, and ...

What is Passivation? Why do We Need to Passivate Flanged ...
What is Passivation? Why do We Need to Passivate Flanged ...

Passivation, is the ,process, of treating the metal with acids in order to remove the free iron from the surface of the metal and ... Immerse the parts in a ,passivation, solution (usually nitric-,acid, or citric-,acid, based) for a minimum ... Heightened awareness surrounding environmental protection has highlighted ,wastewater treatment, as a pressing ...

Some Basic Stuff about Passivating Stainless Steel
Some Basic Stuff about Passivating Stainless Steel

19/4/2020, · Moreover, using citric ,acid process, for ,passivation, eliminates all risk to personnel, much of the risk to parts (generally save to expose surfaces longer than necessary) and on large systems where field services crew and large volumes of fluid are required, citric ,acid, is a far more economical way of passivating ,stainless steel,.

Pickling and Passivation of Stainless Steel
Pickling and Passivation of Stainless Steel

PASSIVATION The treatment of the surface of stainless steel, often with acid solutions (or gels), to remove contaminants and promote the formation of the passive film on a surface that was freshly created, e.g. through grinding, machining or mechanical damage. It …

Slaughterhouse Wastewater Treatment by Combined Chemical ...
Slaughterhouse Wastewater Treatment by Combined Chemical ...

29/6/2012, · ,Slaughterhouse wastewater, contains various and high amounts of organic matter (e.g., proteins, blood, fat and lard). In order to produce an effluent suitable for stream discharge, chemical coagulation and electrocoagulation techniques have been particularly explored at the laboratory pilot scale for organic compounds removal from ,slaughterhouse, effluent.

Ultrapure water - Wikipedia
Ultrapure water - Wikipedia

Ultrapure water, (UPW), high-purity water or highly purified water (HPW) is water that has been purified to uncommonly stringent specifications. ,Ultrapure water, is a term commonly used in the semiconductor industry to emphasize the fact that the water is treated to the highest levels of purity for all contaminant types, including: organic and inorganic compounds; dissolved and particulate ...

Industrial Heaters Wattco
Industrial Heaters Wattco

INDUSTRIAL HEATING ELEMENTS FROM WATTCOTM Wattco™ manufactures a complete line of flange heaters, circulation heaters, tubular heaters, and immersion heating elements for a wide variety of industrial and commercial applications since 1969. With a resourceful sales team and knowledge base, WATTCO™ is able to provide customers with heaters and controls with exceptional, performance and ...

Hybrid Model of a Wastewater-Treatment Electrolytic Process
Hybrid Model of a Wastewater-Treatment Electrolytic Process

wastewater,, the development of efficient operation procedures becomes an important topic and makes possible the use of the technology in industrial applications [6-8]. It is worth to note that electrolytic ,wastewater treatment, processes should be usually operated in a batch mode, because its objective is the

CHEMICAL CLEANING | PICKLING | PASSIVATION | INSPECTION
CHEMICAL CLEANING | PICKLING | PASSIVATION | INSPECTION

Chemical cleaning / Pickling / ,Passivation, / Inspection of equipment and piping networks performed to clear all metal surfaces of chemical or physical pollution (inclusions, fatty matter, welding waste, pitting, slag and sand, oxides, etc.) liable to affect installation or contaminate the fluids conveyed.

Industrial Finishing Cleaning Recovery and Wastewater ...
Industrial Finishing Cleaning Recovery and Wastewater ...

Industrial Finishing, Cleaning, Recovery, and ,Wastewater Treatment, Equipment 30 Devine Street North Haven, CT 06473 Tel.(203) 248-8959 (800) 989-8959 Fax.(203) 288-4308 E-mail: sales@aqualogic.com Automated Cabinet Style ,Passivation, Systems Automated Processing Benefits For Nitric or Citric ,Acid Passivation

Plaforization and Toran Pre-Treatment Process ...
Plaforization and Toran Pre-Treatment Process ...

The Plaforization and Toran ,Process, For all Plaforization and Toran products, the processing cycle includes a ,treatment, phase of 60 seconds, a draining phase in which excess liquid is recovered, and a drying phase in which fluid flash-off and organic passivating polymerization take place.

Passivation and Derouging - Groesfjeld
Passivation and Derouging - Groesfjeld

Tests have shown that our ,process, is much more effective than traditional ,passivation, methods using nitric ,acid,, citric ,acid,, complexing agents and electrolytic polishing. Derouging As the natural passivated layer on stainless steel surfaces ages it can form a rust-red deposit known as rouging.

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