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

oil extraction wastewater reinjection control technology systems ltd

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.

oil extraction wastewater reinjection control technology systems ltd
PCB Recycling Methods - Engineering Technical -PCBway
PCB Recycling Methods - Engineering Technical -PCBway

3.4 Recovery of copper from spent basic etching solution The spent solution is generated from the etching process. Spent basic etching solution contains about 130-150 g/L of copper. The spent solution is first adjusted to a weak acidic condition, at which most of the copper ions are precipitated out as copper (II) hydroxide (Cu (OH)2).

Selective recovery of pure copper nanopowder from indium ...
Selective recovery of pure copper nanopowder from indium ...

After the indium recovery, ITO etching wastewater contains 6.11kg/m(3) of copper and 1.35kg/m(3) of aluminum, pH of the solution is very low converging to 0 and contain a …

Surface Treatment Chemical Products
Surface Treatment Chemical Products

Sulfuric ,acid, type bright pickling process for ,copper, and ,copper, alloy. Easy ,wastewater, treatment. Generates no harmful gas. CHP-200 X Sulfuric ,acid, (98%) Hydrogen peroxide(35%) 20L 100-200mL 100-200mL 15-150mL Application & Features Usage Products Conc. (/L) Temp. (℃) Pack-ing 20-50 7. WATER-SOLUBLE RUST PREVENTION AGENT Process EBAFIN G-800

PCB Etching at Home Using Vinegar - Tinkerman
PCB Etching at Home Using Vinegar - Tinkerman

Now you have a ready-to-etch clad. The copper in the zones exposed to the sun beams will be removed by the acid in the next step. Etching. Here it comes the critical and worrisome step. But it's really easy. You will need: Vinegar (acetic acid). I use cleaning vinegar, 7% acidity, 0.70€ the litter at the local supermarket) Hydrogen Peroxide.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City