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oil and gas geology

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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oil and gas geology
Removal of arsenic( v ) from aqueous solutions using ...
Removal of arsenic( v ) from aqueous solutions using ...

3.1.5 ,Removal of arsenic, from industrial ,wastewater,. As shown in Fig. 6, the industrial ,wastewater, samples contained As, Ni, and Cu. With the addition of Fe 3 O 4:S NPs, it was obvious that not only the concentration of As decreased significantly but also the concentrations of Ni and Cu.

US5358643A - Treatment method for removing arsenic from ...
US5358643A - Treatment method for removing arsenic from ...

A treatment method for removing arsenic from water includes conditioning the water with one more additives including an iron salt, an acid, and an oxidant until the water contains more ion than...

Removal of heavy metals from wastewater - Ekoton
Removal of heavy metals from wastewater - Ekoton

Studies have shown the use of sodium trithiocarbonate for the purification of various wastewater solutions containing cations of copper, zinc, iron, lead, chromium or arsenic are effective in …

Natural Zeolites in Water Treatment – How Effective is ...
Natural Zeolites in Water Treatment – How Effective is ...

8/11/2011, · The removal of arsenic from drinking water was studied by using modified adsorbents (natural zeolite) prepared by the use of different iron solutions. The arsenic sorption on the Fe-exchanged zeolite could reach up to 100 mg/kg [ 8 , 9 ].

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Road West, North Branch, Jingkai Road, Puyang City