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

Fire Booster Pump

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.

Fire Booster Pump
Methods for Chemical Analysis of Water and Wastes
Methods for Chemical Analysis of Water and Wastes

Reagents 7 1 Deiomzed distilled water Prepare by passing distilled water through a mixed bed of cation and amon exchange resins Use deiomzed distilled water for the preparation of all reagents, calibration standards, and as dilution water 7 2 Nitric ,acid, (cone ) If metal impurities are found to be present, distill reagent grade nitric ,acid, m a borosilicate glass distillation apparatus or use a ...

US4011151A - Process for purifying waste water by ...
US4011151A - Process for purifying waste water by ...

In this waste water, an iron anode and an aluminum or aluminum base alloy cathode are dipped, and then the electrolysis is carried out using a current density of about 0.4A/dm2by applying a D.C....

Electrolysis using Pt/SS electrodes for aluminum recovery ...
Electrolysis using Pt/SS electrodes for aluminum recovery ...

18/8/2020, · The results showed that the sludge had high concentrations of ,aluminum, and organic substance. The suitable anode and cathode in the ,electrolysis, of acidified alum sludge at pH 3 were Pt and SS A304, respectively. ,Aluminum, recovery efficiency was achieved at 300 mA (52.10%), in which metal impurities were low, and COD removal was 24%.

Phosphate Recovery from Swine Wastewater by a Struvite ...
Phosphate Recovery from Swine Wastewater by a Struvite ...

20/6/2019, · Xiao et al. 1 claimed that the cost recovery of phosphate from swine ,wastewater, using the supernatant of the waste sulfuric ,acid, after dolomite ,neutralization, was 1.7 ¥/m 3, indicating that their ...

Abstract - RWTH Aachen University
Abstract - RWTH Aachen University

The ,device, of this experi-ment will be an electrolysis cell with rotating cathode discs. The second step is the precipitation in cascade line reactor using sodium hydroxide [4, 5]. Precipitation is currently the most widespread technology as regards ,neutralization, and metal …

Application of an electrodialysis process to recover ...
Application of an electrodialysis process to recover ...

chemosynthesis ,aluminum wastewater,. They have achieved a 74.9% ,acid, recovery ratio while the ,aluminum, leakage ratio was 12.2% with 0.41 kWh energy consumption. On the other hand, diffusion dialysis and ED processes can be applied for the recovery of alkaline solutions in the ,aluminum, industry.

Lab 3 Report.docx - Environmental Engineering Laboratory ...
Lab 3 Report.docx - Environmental Engineering Laboratory ...

This describes the ,acid,-neutralizing capacity or ANC. The ANC is detrimental in ,wastewater, treatment. For humans, drinking water should be at a pH of 4-11, but 7 is preferable. In this lab, the concentration ,of acid, versus the concentration of base used to decrease …

Treatment of Chemical Mechanical Polishing Wastewater ...
Treatment of Chemical Mechanical Polishing Wastewater ...

adsorption charge ,neutralization, was the predominant mechanism controlling the particle coagulation with PACl. Performance of Chemical Coagulation of Electrolytically Treated ,Wastewater, Fig. 2 shows the residual turbidity in relation to coagulant (PACl) dosage at various overflow rates of bulk liquid (i.e., synthetic CMP ,wastewater,).

Simultaneous removal of acidity and lead from acid lead ...
Simultaneous removal of acidity and lead from acid lead ...

To achieve this, the acid lead battery, wastewater, was treated electrochemically with iron and, aluminum, sacrificial electrodes and supporting electrolytes, such as KCl, Na 2SO 4 and a combination of them. concentration of 8.6 mg L-1 falls under the permissible limit in only 20 minutes of electrolysis time with iron, electrodes

Review of Passive Systems for Acid Mine Drainage Treatment
Review of Passive Systems for Acid Mine Drainage Treatment

27/9/2016, · When appropriately designed and maintained, passive systems can provide long-term, efficient, and effective treatment for many ,acid mine drainage, (AMD) sources. Passive AMD treatment relies on natural processes to neutralize acidity and to oxidize or reduce and precipitate metal contaminants. ,Passive treatment, is most suitable for small to moderate AMD discharges of …

US4011151A - Process for purifying waste water by ...
US4011151A - Process for purifying waste water by ...

In this waste water, an, iron anode, and an aluminum or aluminum base alloy cathode are dipped, and then the electrolysis is carried out using a current density of about 0.4A/dm2by applying a D.C....

(PDF) Overview of Electrolytic treatment: An alternative ...
(PDF) Overview of Electrolytic treatment: An alternative ...

Electrolytic, wastewater, treatment is rarely used in comparison to chemical treatment. However, this treatment is convenient and may be more efficient to produce high quality water. Electrodes with...

A cleaner electrolysis process to recover alumina from ...
A cleaner electrolysis process to recover alumina from ...

1/1/2020, · Theoretically, hydrogen, oxygen, sulfuric acid and aluminum hydroxide can be produced from sulfuric acid leachate of HACFA by, electrolysis (18H 2 O + 4Al 3+ = 4,Al(OH) 3 + 12H + + 6H 2 + 3O 2).

Determination of Trace Metals in Waste Water and Their ...
Determination of Trace Metals in Waste Water and Their ...

9/3/2012, · Therefore, ,wastewater, may need to be measured for a variety of metals at different concentrations, in different ,wastewater, matrices. A variety of inorganic techniques can be used to measure trace elements in ,waste water, including atomic absorption spectrometry (AAS), inductively coupled plasma optical emission spectrometry (ICP-OES) and ICP mass spectrometry (ICP-MS).

Wikizero - Neutralization (chemistry)
Wikizero - Neutralization (chemistry)

In chemistry, ,neutralization, or neutralisation (see spelling differences) is a chemical reaction in which ,acid, and a base react quantitatively with each other. In a reaction in water, ,neutralization, results in there being no excess of hydrogen or hydroxide ions present in the solution. The pH of the neutralized solution depends on the ,acid, strength of the reactants.

Purification of wastewater by electrolysis
Purification of wastewater by electrolysis

gravimetry for the ,aluminum, anode. Otherwise two carbon electrodes were utilized. Flocculation of the suspended material present in ,wastewater, was followed by optical density measurements at A = 450 nm of the supernatant. When an algae suspension was added prior to ,electrolysis, the optical density was measured at A = 625 nm. The total

Purification of wastewater by electrolysis
Purification of wastewater by electrolysis

gravimetry for the ,aluminum, anode. Otherwise two carbon electrodes were utilized. Flocculation of the suspended material present in ,wastewater, was followed by optical density measurements at A = 450 nm of the supernatant. When an algae suspension was added prior to ,electrolysis, the optical density was measured at A = 625 nm. The total

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City