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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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Pump Material Selection Guide: NaOH Sodium Hydroxide/NaOCl ...
Pump Material Selection Guide: NaOH Sodium Hydroxide/NaOCl ...

to handle the broad range of ,pH, values from ,3, to 12, all fluid contact ,pump, components were to be furnished in homogeneous, chemically inert polypropylene or one of the fluoropolymers. The ,stainless steel, shafts were to be isolated from the fluid by a thick sleeve of Kynar®, the PVDF fluoropolymer, and the mechanical seal was to be reverse

Peristaltic Pumps: A Simple Solution for Abrasive and ...
Peristaltic Pumps: A Simple Solution for Abrasive and ...

stainless steel. A power generation servicing company in the mid-Atlantic region uses peristaltic pumps to meter 65 gpm of sulfuric acid when cleaning out the condensers of a power plant, driving the pH down to below 4.0 to breakdown scale. Precise control of the flow …

CORROSION-RESISTANT PUMPS
CORROSION-RESISTANT PUMPS

Tsurumi Submersible corrosion-resistant pumps are made of stainless steel (304 or 316) and titanium. Because these materials are used, the pumps can handle chemical fluids of low pH value (e.g., corrosive acidic fluid), as well as seawater.

Revisiting the Selection of Stainless Steel in Water and ...
Revisiting the Selection of Stainless Steel in Water and ...

Revisiting the Selection of ,Stainless Steel, in ,Water and Wastewater Treatment Environments,: ... 320 and 120 grit surfaces) at various ,pH, values. While the electro-polished ,steel, adhesion rate was up to 100 times slower for a biofilm than the 120 grit surfaces, ... These inert materials ,can be used, as a ,pump, …

Reactors - processdesign
Reactors - processdesign

22/2/2016, · The gas is bubbled up through the liquid in a sparged reactor. For smaller bubbles, a porous pipe diffuser ,can be used, instead (Towler, 2012). The designer must allow some disengaging space at the top of the reactor, or entrainment will be excessive. If the gas flow rate is large then the gas flow ,can be used, as the primary means of agitation.

How to Treat Wastewater from Iron and Steel Industry ...
How to Treat Wastewater from Iron and Steel Industry ...

A typical continuous pickling line for ,stainless steel, strip consists of a 15 per cent hydrochloric ,acid, bath at 160°F followed by a 4 per cent hydrofluoric ,acid,, 10 per cent nitric ,acid, bath at 170°F. Phosphoric ,acid, is often ,used, in pickling when a phosphate coating is desired. Hydrochloric ,acid, is being ,used, increasingly for mild steels in the new vertical tower pickling installations.

Understanding Ultrapure Water and the Difficulties with pH ...
Understanding Ultrapure Water and the Difficulties with pH ...

A ,pH, sensor upstream of the membrane ,can, provide a feedback signal to control dosing of acidic or basic reagent to maintain the ,pH, within acceptable limits. Conductivity measurements are ,used, at both the inlet and outlet of the RO unit to determine whether …

Revisiting the Selection of Stainless Steel in Water and ...
Revisiting the Selection of Stainless Steel in Water and ...

Revisiting the Selection of ,Stainless Steel, in ,Water and Wastewater Treatment Environments,: ... 320 and 120 grit surfaces) at various ,pH, values. While the electro-polished ,steel, adhesion rate was up to 100 times slower for a biofilm than the 120 grit surfaces, ... These inert materials ,can be used, as a ,pump, …

High Quality 304 Stainless steel Wastewater Sewage ...
High Quality 304 Stainless steel Wastewater Sewage ...

Because these materials are used, the pumps can handle chemical fluids of low pH value (e.g., corrosive acidic fluid), as well as seawater. Stainless Steel Submersible Sewage Pump And 380 Volt 1) For WQP Sewage Pumps, we have stainless steel 304 or stainless steel 316 according to the water's PH Level.

High Quality 304 Stainless steel Wastewater Sewage ...
High Quality 304 Stainless steel Wastewater Sewage ...

Because these materials are used, the pumps can handle chemical fluids of low pH value (e.g., corrosive acidic fluid), as well as seawater. Stainless Steel Submersible Sewage Pump And 380 Volt 1) For WQP Sewage Pumps, we have stainless steel 304 or stainless steel 316 according to the water's PH Level.

Revisiting the Selection of Stainless Steel in Water and ...
Revisiting the Selection of Stainless Steel in Water and ...

surfaces (400, 320 and 120 grit surfaces) at various ,pH, values. While the electro-polished ,steel, adhesion rate was up to 100 times slower for a biofilm than the 120 grit surfaces, in all cases permanent adhesion occurred in a matter of minutes.9 Maximum adhesion rates occurred between ,pH, 6 and 7.5, the normal range for RO waters.

Tert-butyl acetate | C6H12O2 - PubChem
Tert-butyl acetate | C6H12O2 - PubChem

A gas chromatographic method for the analysis of n-butyl acetate, consists of a ,stainless steel, column, ,3, m x ,3, mm, packed with Chromosorb WHP (100/120 mesh) coated with 5% FFAP, with hydrogen-air flame ionization detection, and nitrogen as the carrier gas at a flow rate of 30 mL/min, is a NIOSH approved method. A sample injection volume of 5 uL is suggested, the column temperature is 70 °C ...

Revisiting the Selection of Stainless Steel in Water and ...
Revisiting the Selection of Stainless Steel in Water and ...

surfaces (400, 320 and 120 grit surfaces) at various ,pH, values. While the electro-polished ,steel, adhesion rate was up to 100 times slower for a biofilm than the 120 grit surfaces, in all cases permanent adhesion occurred in a matter of minutes.9 Maximum adhesion rates occurred between ,pH, 6 and 7.5, the normal range for RO waters.

Phosphate Recovery from Human Waste via the Formation of ...
Phosphate Recovery from Human Waste via the Formation of ...

the ,stainless,-,steel, cathodes or collected from the pilot-scale reactor bottom was rinsed with deionized water and dried at 70 °C overnight before being ground for analysis. The solubility product constant (K sp) of the collected precipitate was measured in dilute phosphoric ,acid, solutions (∼0.1 mM) adjusted to ,pH, 6 with sodium hydroxide, as

Peristaltic Pumps: A Simple Solution for Abrasive and ...
Peristaltic Pumps: A Simple Solution for Abrasive and ...

stainless steel. A power generation servicing company in the mid-Atlantic region uses peristaltic pumps to meter 65 gpm of sulfuric acid when cleaning out the condensers of a power plant, driving the pH down to below 4.0 to breakdown scale. Precise control of the flow of …

Heavy Metals Removal Industrial Wastewater Solutions
Heavy Metals Removal Industrial Wastewater Solutions

Polymer addition aids in larger floc formation, further enhancing clarifier performance. The ,wastewater, is clarified by a WesTech Flocculating Clarifier. A rake lift is provided since inlet solids ,can, be as high as 2%. The ,pH, is adjusted to normal using hydrochloric ,acid, (HCl). HCl is ,used, because no additional sulfate needs to be added. 4.

September 2016 Choosing the Right Chemical-Metering Pump ...
September 2016 Choosing the Right Chemical-Metering Pump ...

peristaltic pumps ,can be used,, which does not allow this phenomenon to occur. • Sulfuric ,Acid,: ,Used, for ,pH, adjustment, it is provided either as a concentrate or dilute with concentrated solutions being less corrosive than dilute solutions. Concentrated solutions ,can, be handled in many situations with cast iron, ,steel, materials or Alloy 20, Page 1

CORROSION-RESISTANT PUMPS
CORROSION-RESISTANT PUMPS

Tsurumi Submersible corrosion-resistant pumps are made of stainless steel (304 or 316) and titanium. Because these materials are used, the pumps can handle chemical fluids of low pH value (e.g., corrosive acidic fluid), as well as seawater.

How to Treat Wastewater from Iron and Steel Industry ...
How to Treat Wastewater from Iron and Steel Industry ...

A typical continuous pickling line for ,stainless steel, strip consists of a 15 per cent hydrochloric ,acid, bath at 160°F followed by a 4 per cent hydrofluoric ,acid,, 10 per cent nitric ,acid, bath at 170°F. Phosphoric ,acid, is often ,used, in pickling when a phosphate coating is desired. Hydrochloric ,acid, is being ,used, increasingly for mild steels in the new vertical tower pickling installations.

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