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Neutralization of acid wastewater by potassium 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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Neutralization of acid wastewater by potassium carbonate
Evaluation of the effectiveness of the new couples ...
Evaluation of the effectiveness of the new couples ...

The ,experimental, study was carried out using rejects from the company Galvacier (city of Kenitra, Morocco). The samples of these discharges were taken from ,two, different points of the company's ,wastewater treatment, plant, which are successively the entry and exit of the station, into bottles whose capacity is based on a high

Treatment of Industrial Effluents - Environmental Pollution
Treatment of Industrial Effluents - Environmental Pollution

A two-stage treatment process using chalk (CaCO 3) and lime (CaO) is used. In the first stage, the acidic waste water is neutralized with chalk to pH 3.5 – 4.0 allowing a reaction time of 30 minutes with adequate agitation. More than 85% of fluoride can be precipitated as …

Electrochemical Recovery of Phosphorus from Acidic Cheese ...
Electrochemical Recovery of Phosphorus from Acidic Cheese ...

The recovery of phosphorus (P) from high-strength acidic waste streams with high salinity and organic loads is challenging. Here, we addressed this challenge with a recently developed electrochemical approach and compared it with the chemical precipitation method via NaOH dosing. The electrochemical process recovers nearly 90% of P (∼820 mg/L) from cheese ,wastewater, in 48 h at 300 mA with an ...

Reducing acid in dilute acid pretreatment and the impact ...
Reducing acid in dilute acid pretreatment and the impact ...

Wastewater treatment, is an expensive, yet indispensable part of commercial ... to remove sulfate ions, ammonium ion nitrification to nitric ,acid,, combustion of biogas containing hydrogen sulfide, ,neutralization, of nitric ,acid, and SO 2 from ... Kinetic and modelling investigation on ,two,-,stage, reverse-flow reactor as applied to dilute-,acid, ...

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