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Acid wastewater comprehensive utilization project

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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Acid wastewater comprehensive utilization project
Recovery of Calcium Carbonate from Wastewater Treatment ...
Recovery of Calcium Carbonate from Wastewater Treatment ...

lotation process is widely used in industrial wastewater treatment and efectively used to produce a relatively high grade calcium carbonate plants, where it is used to remove fats, oil, grease and suspended solids with good recovery from the wastewater treatment sludges when using

Chemicals in Water & Wastewater Treatment
Chemicals in Water & Wastewater Treatment

Chemicals in Water & Wastewater Treatment, Chemical Used for Precipitation 1. Aluminum sulfate – Al 2 (SO 4) 3.18 H 2 O 2. Aluminum chloride – AlCl 3 3. ,Calcium, hydroxide – Ca (OH) 2 4. Lime 5. Ferric chloride – FeCl 3 6. Ferric sulfate – Fe 2 (SO 4) 3 7. Copperas – FeSO 4.7H 2 O Chemical Used for Neutralization 1. ,Calcium carbonate, – CaCo 3 2. ,Calcium, Oxide – CaO

Flue Gas Desulfurization Wastewater Treatment Primer
Flue Gas Desulfurization Wastewater Treatment Primer

1/3/2009, · A typical FGD ,wastewater, treatment plant. Source: CH2M HILL ... concentration of sulfate without precipitating a significant amount of ,calcium carbonate,. ... acts as an ,acid,, ...

Turning calcium carbonate into a cost-effective wastewater ...
Turning calcium carbonate into a cost-effective wastewater ...

The conventional wastewater treatment techniques are often helpless due to high cost with multilevel processing. Adsorption as an efficient method is often applied to the treatment of wastewater. The aim of this work is to develop an eco-friendly and cost-effective wastewater-sorbing material with weak acidic pink red B (APRB) and calcium carbonate (CaCO(3)) by reusing highly concentrated dye wastewater.

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