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Neutralization of acid 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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Neutralization of acid wastewater
Chemical dosing for municipal waste water | OdourPro
Chemical dosing for municipal waste water | OdourPro

Magnesium hydroxide, raises the pH of ,waste water, to approximately 8.5. This pH level inhibits the biological reactions that cause the production of H2S. Once the effluent reaches the target pH, ,adding, more ,Magnesium Hydroxide, has no effect. Calcium Nitrate …

A novel resource utilization method using wet magnesia ...
A novel resource utilization method using wet magnesia ...

process, ,magnesium hydroxide, slurry is used as the SO 2 absorbent, which is prepared using an aging treatment of a mixture of ,magnesium, oxide and water at a particular ratio. A er removing the dust, the ue gas entered the absorption tower,andtheSO 2 inthe uegaswassubsequentlyabsorbedby small ,magnesium hydroxide, droplets from the spraying system.

water treatment – removing hardness (calcium and magnesium ...
water treatment – removing hardness (calcium and magnesium ...

And if amounts of reagent are precisely adjusted, the water’s alkalinity will be reduced to the theoretical solubility applicable to the CaCO 3 + Mg (OH) 2 system which ranges from 2 to 3°F under normal temperature and concentration conditions.. However, this limit M-alk. figure may be increased in practice when dissolved impurities are present (e.g. organic acids, ammonium, phosphates, etc.).

WASTEWATER TREATMENT PROCESS - SUMITOMO METAL …
WASTEWATER TREATMENT PROCESS - SUMITOMO METAL …

In the ,wastewater, treatment for a sulfuric ,acid,-acidic ,wastewater, containing aluminum, ,magnesium,, and manganese, a ,magnesium, oxide is used for part or all of the neutralizing agent to be added, the ,magnesium, oxide is produced through the following steps (1) to (4): (1) effluent ,wastewater, obtained by separating aluminum and manganese from sulfuric ,acid,-acidic ,wastewater, is concentrated, and ...

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