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What kind of alkali agent is usually added to acid wastewater in industry

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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What kind of alkali agent is usually added to acid wastewater in industry
Treatment of Effluents of Fertilizer Industry ...
Treatment of Effluents of Fertilizer Industry ...

In the first few vessels, the reaction products – calcium ,nitrate, and phosphoric or sulphuric ,acid, is added together with ammonia to produce a specific mix of calcium compounds, ammonium ,nitrate, and phosphoric ,acid,. This then converted into a dry product. Sources, Volume and Characteristics of …

Research Article Development of a Technology for Treating ...
Research Article Development of a Technology for Treating ...

the production of aromatic nitro ,compound,, the acidic ,wastewater, contains small amounts of solid particles, which if passed to the neutralization stage, it would jeopardize the process, resulting in the occurrence of violent reaction with high heat release. A sedimentation- ltration system was used for purifying the acidic ,wastewater,. In the settling

Developing a Vacuum Distillation- Acid Absorption System ...
Developing a Vacuum Distillation- Acid Absorption System ...

Orthophosphate, ammonium, and magnesium in the manure filtrate (liquid portion) could be recovered as a ,compound fertilizer,, magnesium ammonium phosphate hexahydrate, commonly known as struvite (Huchzermeier and Tao, 2012). Even with more than 95% of phosphorus removal, struvite ,recovery, removes only 15% of total ammonia in the manure filtrate.

(PDF) Removal of nitrates from highly-contaminated ...
(PDF) Removal of nitrates from highly-contaminated ...

tartaric ,acid,, citric ,acid, and phosphoric ,acid, [33]. The reagent, dissolved in 5% acetic ,acid, (1 g of nitron in 10 mL ,of acid,), is stored in a dark bottle until use, as the solution decomposes

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