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What is the use of acid wastewater treatment 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 is the use of acid wastewater treatment in industry
Chemicals in Water & Wastewater Treatment
Chemicals in Water & Wastewater Treatment

Calcium hydroxide, – Ca (OH) 2 4. Lime 5. Ferric chloride – FeCl 3 6. Ferric sulfate – Fe 2 (SO 4) 3 7. Copperas – FeSO 4.7H 2 O Chemical Used for ,Neutralization, 1. ,Calcium, carbonate – CaCo 3 2. ,Calcium, Oxide – CaO 3. Sodium bicarbonate – NaHCO 3 4. Sodium carbonate – Na 2 CO 3 5. Sodium ,hydroxide, – NaOH 6. Carbonic ,acid, – H ...

The effectiveness of calcium hydroxide and sodium ...
The effectiveness of calcium hydroxide and sodium ...

of PFS into the ,wastewater, may decrease the pH, so in processing it should be added ,calcium hydroxide, and sodium ,hydroxide, compounds which can raise the pH value. In general, the iquid waste that is too acidic or alkaline. However, in some types of ,wastewater, containing dye, ,neutralization, can reduce or even completely eliminate the color.

Complete Water Services | pH Adjustment
Complete Water Services | pH Adjustment

Wastewater, with a low pH is generally neutralized using sodium ,hydroxide, (NaOH), lime (CaO), magnesium ,hydroxide, (Mg(OH) 2), or ,calcium hydroxide, (Ca(OH) 2). ,Wastewater, with a high pH is generally neutralized with sulfuric ,acid, (H 2 SO 4), hydrochloric ,acid, (HC 1), or carbon dioxide (CO 2). The most common chemicals used are H 2 SO 4 and NaOH.

A comparison of neutralization efficiency of chemicals ...
A comparison of neutralization efficiency of chemicals ...

Neutralization, experiments with hydrated lime, ,calcium hydroxide,, Ca(OH) 2 This set of experiments that uses ,calcium hydroxide, as the neutralizing base has the results given in Table 6 . Compared to raw lime or lime stone, the amount of Ca(OH) 2 needed to reach the same state of ,neutralization, is high (13.3 to 28.2 g for 1 cu m of Plant water to reach pH of 5.0, 6.4 and 7.1, respectively).

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