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low permeability oilfield oil extraction wastewater reinjection control technology

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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low permeability oilfield oil extraction wastewater reinjection control technology
How can we adjust the pH of wastewater intended for ...
How can we adjust the pH of wastewater intended for ...

You have to adjust, Ph by Ca (OH)2, and addition, alkalinity, of the wastewater.

HIGH CALCIUM HYDRATED LIME | Environment | Carmeuse
HIGH CALCIUM HYDRATED LIME | Environment | Carmeuse

High calcium hydrated lime is one of the most effective reagents for ,acid, neutralization and pH adjustment. These characteristics along with the presence of calcium assists in the ,removal, of a wide variety of contaminants from water to improve the quality and keep customers and the environment safe. Hydrated lime releases very little exothermic heat when in contact with water making it easy ...

How to Control Alkalinity and pH Changes Resistance ...
How to Control Alkalinity and pH Changes Resistance ...

Sulfuric acid and sodium hydroxide (caustic) are most commonly ,used,. Caution must be ,used, for alkalinity control applications as an exothermic reaction will occur generating heat. The more severe the application the more heat generated. For example; pH adjusting …

Chemical & pH Adjustment - Evoqua
Chemical & pH Adjustment - Evoqua

Two-step processes are ,used, to remove hexavalent chromium and amenable cyanide from water. The chemicals are first changed to different forms by pH control and small adjustments. The new chemicals can then be precipitated or converted to a less-toxic form by adjusting the pH a second time. Evoqua Can Handle Your pH Adjustment and pH Control Needs

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