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Acidic high concentration fluoride industrial wastewater

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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Acidic high concentration fluoride industrial wastewater
Chromium removal from industrial wastewater using ...
Chromium removal from industrial wastewater using ...

22/8/2018, · Complex ,copper sulfide, ... it is necessary to treat industrial ,wastewater containing, chromium before being discharged to the environment. ... The addition of ,sodium sulfide, opens the closed-loop system (to a open-loop system), and results in the formation of Cu-S nanospheres on the surface of the adsorbent (Scheme S1d).

HJ 2056-2018 PDF. - Chinese Standard
HJ 2056-2018 PDF. - Chinese Standard

6.2.5 Vulcanization method and membrane separation method are suitable for treating ,acidic wastewater containing copper, concentration above 80mg/L for recovery of valuable metals; In order to ensure that the effluent is up to standard, it is generally required to be combined with the lime neutralization method and the HDS method.

Summary Report: Control and Treatment Technology for the ...
Summary Report: Control and Treatment Technology for the ...

In the soluble ,sulfide, precipitation (SSP) process, the ,sulfide, is added in the form of a water-soluble ,sulfide, reagent such as ,sodium sulfide, (Na2S) or ,sodium, hydrosulfide (IMaHS). A more recently developed process adds a slightly soluble ferrous ,sulfide, (FeS) slurry to the ,wastewater, to supply the ,sulfide, ions needed to precipitate the heavy metals.

Identification and Description of Mineral Processing ...
Identification and Description of Mineral Processing ...

Wastewater,. There is ,wastewater, associated with the neutralization steps that follow both the addition of sulfuric acid and the addition of ,sodium sulfide, in Exhibit 1. The liquid resulting from the addition of sulfuric acid is sent to selenium recovery. Generation rate estimates for this waste stream are included in

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