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Acid treatment of wastewater by heavy metals

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 treatment of wastewater by heavy metals
Combination of microwave demulsification ozone oxidation ...
Combination of microwave demulsification ozone oxidation ...

As shown in Table 2, the biodegradability of ,wastewater, was enhanced to 0.33 after ozonation, indicating ,the wastewater, was easily biodegraded (Lu & Wei 2011). In addition, it was found that the PS concentration and the microtoxicity decreased greatly ( Table 2 ).

(PDF) Ozone pre-oxidation of a textile industry wastewater ...
(PDF) Ozone pre-oxidation of a textile industry wastewater ...

The wastewater samples were oxidized at original pH of 8.6-8.8 under 18.5-24 mg/L of applied ozone doses. Acute toxicity was monitored using Daphnia ... [Show full abstract] magna.

(PDF) Fenton- and ozone-based AOP processes for industrial ...
(PDF) Fenton- and ozone-based AOP processes for industrial ...

After ,wastewater is acidified, with sulfuric acid, Fenton reagents are dosed into the influent line and pumped together with ,wastewater, into the FBR-Fenton reactor from the

Removal of pharmaceuticals in WWTP effluents by ozone and ...
Removal of pharmaceuticals in WWTP effluents by ozone and ...

6–8), on the removal of pharmaceuticals from ,wastewater, efflu-ents by the addition of ,ozone,. It also determined if the reactiv-ity of ,ozone, can be promoted by addition of small amounts of H 2 O 2 at low pH levels. Since the addition of H 2 2 can be expected to enhance the decomposition of ,ozone, to OH radi-

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