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Neutralization treatment 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 treatment of acid wastewater
WASTEWATER TREATMENT TECHNOLOGIES FOR THE REMOVAL …
WASTEWATER TREATMENT TECHNOLOGIES FOR THE REMOVAL …

Sizing the ,chlorine,-producing and feed device depends on the influent ,ammonia, concentration, as well as on the degree of ,treatment, that the ,wastewater, has received. As the quality of influent to the breakpoint process improves, the required amount of ,chlorine, decreases, and approaches the theoretical amount required to oxidize ,ammonia, to ,nitrogen,.

Ammonia-Nitrogen Removal by Breakpoint Chlorination
Ammonia-Nitrogen Removal by Breakpoint Chlorination

Ammonia in wastewater and water was oxidized by chlorine to chiefly nitrogen gas with a residual NH 3 -N concentration of less than 0.1 mg/i. The chlorine was applied in the gaseous state to a stream of water and base before mixing with the wastewater, or as a solution of hypochlorite.

Physico-chemical technologies for nitrogen removal from ...
Physico-chemical technologies for nitrogen removal from ...

Sizing the ,chlorine,-producing and feed device depends on the influent ,ammonia, concentration, as well as on the degree of ,treatment, that the ,wastewater, has received. As the quality of influent to the breakpoint process improves, the required amount of ,chlorine, decreases, and approaches the theoretical amount required to oxidize ,ammonia, to ,nitrogen,.

Factors affecting Chlorine Demand in waste water treatment ...
Factors affecting Chlorine Demand in waste water treatment ...

The breakpoint is the point at which the ,chlorine demand, has been totally satisfied - the ,chlorine, has reacted with all reducing agents, organics, and ,ammonia, in the water. When more ,chlorine, is added past the breakpoint, the ,chlorine, reacts with water and forms hypochlorous ,acid, in direct proportion to the amount of ,chlorine, added.

Physical-Chemical Nitrogen Removal Wastewater Treatment
Physical-Chemical Nitrogen Removal Wastewater Treatment

Chlorine is added to the wastewater being treated until the chlorine residual has reached a minimum (the breakpoint) and the ammonia is'removed. A typical breakpoint curve is shown in figure III-l. The reaction with ammonia is very rapid.

Ammonia-Nitrogen Removal by Breakpoint Chlorination
Ammonia-Nitrogen Removal by Breakpoint Chlorination

Ammonia in wastewater and water was oxidized by chlorine to chiefly nitrogen gas with a residual NH 3 -N concentration of less than 0.1 mg/i. The chlorine was applied in the gaseous state to a stream of water and base before mixing with the wastewater, or as a solution of hypochlorite.

Ammonia Removal from Mine Impacted Waters | BQE Water
Ammonia Removal from Mine Impacted Waters | BQE Water

Common ,ammonia, removal technologies applicable for mining include biological ,treatment,, oxidation, adsorption, membrane separation, air stripping and combinations thereof. Here we provide an overview of each ,treatment, and their application to mine impacted waters. Biological ,Treatment

Brief Analysis of Ammonia Nitrogen Wastewater Treatment ...
Brief Analysis of Ammonia Nitrogen Wastewater Treatment ...

The removal rate of ,ammonia nitrogen, was 90%-100% when the pH value was 6-7, the dosage of ,ammonia nitrogen, and ,chlorine, per mg was 10 mg and the exposure time was 0.5-2.0 H. Therefore, this method is suitable for low concentration ,ammonia nitrogen wastewater,.

Brief Analysis of Ammonia Nitrogen Wastewater Treatment ...
Brief Analysis of Ammonia Nitrogen Wastewater Treatment ...

The removal rate of ,ammonia nitrogen, was 90%-100% when the pH value was 6-7, the dosage of ,ammonia nitrogen, and ,chlorine, per mg was 10 mg and the exposure time was 0.5-2.0 H. Therefore, this method is suitable for low concentration ,ammonia nitrogen wastewater,.

Effect of Ammonia Nitrogen and Dissolved Organic Matter ...
Effect of Ammonia Nitrogen and Dissolved Organic Matter ...

For the first time, ,ammonia nitrogen, (NH 3 N) was found to significantly influence genotoxicity during ,wastewater, chlorination. After chlorination, the genotoxicity decreased in ,wastewater, with a low NH 3 N concentration (<10∼20 mg/L), but it increased notably in ,wastewater, with a …

Advanced Disinfection Study Guide
Advanced Disinfection Study Guide

Adding chlorine to treated wastewater, which has ammonia (NH3), will cause a reaction, where hypochlorous acid (HOCl) reacts with ammonia to form chloramines. Chloramines are not effective disinfecting compounds. The reactions and type of chloramines formed are: NH3 + HOCl --> NH2Cl + H2O = Monochloramine NH2Cl + HOCl --> NHCl2 + H2O =Dichloramine

Lesson 8: Nitrification and Denitrification
Lesson 8: Nitrification and Denitrification

Breakpoint chlorination requires relatively high chlorine dosages per unit of ammonia present in the wastewater. In general, about 10 pounds of chlorine are required to oxidize one pound of ammonia-nitrogen. Because of the high chlorine demand, breakpoint chlorination is not used as the primary ammonia (or nitrogen) removal process.

Lesson 8: Nitrification and Denitrification
Lesson 8: Nitrification and Denitrification

Breakpoint chlorination requires relatively high chlorine dosages per unit of ammonia present in the wastewater. In general, about 10 pounds of chlorine are required to oxidize one pound of ammonia-nitrogen. Because of the high chlorine demand, breakpoint chlorination is not used as the primary ammonia (or nitrogen) removal process.

WASTEWATER TREATMENT TECHNOLOGIES FOR THE REMOVAL …
WASTEWATER TREATMENT TECHNOLOGIES FOR THE REMOVAL …

Sizing the ,chlorine,-producing and feed device depends on the influent ,ammonia, concentration, as well as on the degree of ,treatment, that the ,wastewater, has received. As the quality of influent to the breakpoint process improves, the required amount of ,chlorine, decreases, and approaches the theoretical amount required to oxidize ,ammonia, to ,nitrogen,.

Physico-chemical technologies for nitrogen removal from ...
Physico-chemical technologies for nitrogen removal from ...

Sizing the ,chlorine,-producing and feed device depends on the influent ,ammonia, concentration, as well as on the degree of ,treatment, that the ,wastewater, has received. As the quality of influent to the breakpoint process improves, the required amount of ,chlorine, decreases, and approaches the theoretical amount required to oxidize ,ammonia, to ,nitrogen,.

Effect of Ammonia Nitrogen and Dissolved Organic Matter ...
Effect of Ammonia Nitrogen and Dissolved Organic Matter ...

For the first time, ,ammonia nitrogen, (NH 3 N) was found to significantly influence genotoxicity during ,wastewater, chlorination. After chlorination, the genotoxicity decreased in ,wastewater, with a low NH 3 N concentration (<10∼20 mg/L), but it increased notably in ,wastewater, with a …

Advanced Disinfection Study Guide
Advanced Disinfection Study Guide

Adding chlorine to treated wastewater, which has ammonia (NH3), will cause a reaction, where hypochlorous acid (HOCl) reacts with ammonia to form chloramines. Chloramines are not effective disinfecting compounds. The reactions and type of chloramines formed are: NH3 + HOCl --> NH2Cl + H2O = Monochloramine NH2Cl + HOCl --> NHCl2 + H2O =Dichloramine

Factors affecting Chlorine Demand in waste water treatment ...
Factors affecting Chlorine Demand in waste water treatment ...

The breakpoint is the point at which the ,chlorine demand, has been totally satisfied - the ,chlorine, has reacted with all reducing agents, organics, and ,ammonia, in the water. When more ,chlorine, is added past the breakpoint, the ,chlorine, reacts with water and forms hypochlorous ,acid, in direct proportion to the amount of ,chlorine, added.

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