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Neutralization of acid wastewater with ammonia

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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Neutralization of acid wastewater with ammonia
Disposal of Waste | Prudent Practices in the Laboratory ...
Disposal of Waste | Prudent Practices in the Laboratory ...

Under the Clean Water Act, some exemption from regulation as a hazardous waste for ,wastewater, containing ,laboratory,-generated listed waste is allowed. In 1993, this exemption was expanded to include corrosive and ignitable wastes.

Sulfuric acid
Sulfuric acid

Sulfuric acid, (British English: sulphuric acid), H 2 S O 4, is a strong mineral acid. It is soluble in water at all concentrations. It was once known as oil of vitriol, coined by the 8th-century Alchemist Jabir ibn Hayyan, the chemical's probable discoverer. ,Sulfuric acid, has many applications, and is produced in greater amounts than any other chemical besides water.

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Read "Prudent Practices in the Laboratory: Handling and ...

Laboratory, experiments generate a great variety of waste, including ,used, disposable ,laboratory, ware, filter media and similar materials, aqueous solutions, and hazardous and nonhazardous chemicals. As stated in the introduction to this chapter, begin no activity unless a plan for disposal of all waste, hazardous and nonhazardous, has been formulated.

Potassium cyanide | KCN - PubChem
Potassium cyanide | KCN - PubChem

Potassium cyanide, is ,used, commercially for fumigation, electroplating, and extracting gold and silver from ores. Hydrogen cyanide gas released by ,potassium cyanide, has a distinctive bitter almond odor (others describe a musty “old sneakers smell”), but a large proportion of people cannot detect it; the odor does not provide adequate warning of hazardous concentrations.

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