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

maximator gas booster pumps

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.

maximator gas booster pumps
Principal wastewater constituents Treatment methods for ...
Principal wastewater constituents Treatment methods for ...

Principal ,wastewater, constituents ,Treatment, methods for ,wastewater, . ,WASTEWATER, Industrial ww Municipal (domestic) ww ... ,wastewater, that can be oxidized chemically using ,dichromate, in an ,acid, solution 3 2 2 4 2 n a b c 2 7 H O cNH 2dCr 2 a 8 d 3c C H O N dCrO (8 d c)H nCO 2 c 3 b 6 a 3 2n

The Significance of Hazardous Chemicals in Wastewater ...
The Significance of Hazardous Chemicals in Wastewater ...

acid dichromate, (Feldman, 1974)). Samples for the determination of trace organic substances were collected with stainless steel samplers, stored in glass and transported at 4ºC to the laboratories. Preservation with 3 ml of 30% hydrochloric ,acid, and 0.25g of copper nitrate per litre was used for steroid estrogen samples.

Wastewater treatment in the fishery industry - 2 ...
Wastewater treatment in the fishery industry - 2 ...

The method of COD which uses ,dichromate, as oxidant is carried out by heating under total reflux a ,wastewater, sample of known volume in an excess of potassium ,dichromate, (K 2 Cr 2 O 7) in presence of sulphuric ,Acid, (H 2 SO 4) for a fixed period (usually two hours) …

CN104495982A - Method for blocking and repairing ...
CN104495982A - Method for blocking and repairing ...

The invention relates to a method for blocking and repairing ,dichromate, in underground water in a chemically polluted filed and belongs to the field of ,wastewater treatment,. The method comprises the following steps: pretreating cation-anion resin, carrying out ion exchange on the pretreated resin in a ,dichromate, solution, and regenerating the resin after efficacy losing; through detection, the ...

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City