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Treatment of acid wastewater with sodium carbonate

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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Treatment of acid wastewater with sodium carbonate
Excretory System
Excretory System

Water, is reabsorbed and ,waste, is expelled from the insect. ,Excretory system, of an ant. Images from Purves et al., Life: The Science of Biology , 4th Edition, by Sinauer Associates ( www.sinauer.com ) and WH Freeman ( www.whfreeman.com ), used with permission.

Activated bauxite waste as an adsorbent for removal of ...
Activated bauxite waste as an adsorbent for removal of ...

Bauxite ,waste,, known as red mud, is produced in some industrial processes, such as aluminum production process. In this process, the ,waste, material is produced from leached bauxite as a by product. In this research, the removal of ,Acid, Blue 92 (AB92) dye was investigated from aqueous solution onto the activated bauxite ,waste, (red mud) in a batch equilibration system.

Pollution | Threats | WWF - World Wildlife Fund
Pollution | Threats | WWF - World Wildlife Fund

When ,water, in the atmosphere mixes with certain chemicals—particularly sulfur dioxide and nitrogen oxides emitted during the burning of fossil fuels—mild acidic compounds are formed. This ,acid, rain can leach toxic aluminum from the soil, which at low levels can stress fish in lakes and streams or, at higher concentrations, kill them outright.

Chemical Waste Disposal | EHS
Chemical Waste Disposal | EHS

As of 4/28/2019, all non-universal ,waste, containers larger than four liters must have a UW Hazardous ,Waste, Label (see above) and a second label indicating "Hazardous ,Waste," and the primary hazard: Flammable, Corrosive (,acid, or base), Reactive (e.g., oxidizers, ,water, reactive, explosive) or Toxic.

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