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Treatment of acidic wastewater containing nickel by industrial electrolysis

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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Treatment of acidic wastewater containing nickel by industrial electrolysis
PROCESS FOR TREATMENT OF WASTEWATER
PROCESS FOR TREATMENT OF WASTEWATER

A process for the treatment of ,acidic wastewater, which comprises hydrochloric acid, nitric acid as an optional component, 0.1 to 30 wt.-% of one or more dissolved metals selected from the group consisting of ,aluminum, and heavy metals other than precious metals, and 10 to 500 wt.-ppm of at least one dissolved precious metal, wherein the process comprises the successive steps (1) to (5): (1 ...

Simultaneous removal of acidity and lead from acid lead ...
Simultaneous removal of acidity and lead from acid lead ...

battery ,wastewater, was treated electrochemically with iron and ,aluminum, sacrificial electrodes and supporting electrolytes, such as KCl, Na 2SO 4 and a combination of them. concentration of 8.6 mg L-1 falls under the permissible limit in only 20 minutes of electrolysis time with iron electrodes

Aluminum Anodizer Implements Zero Liquid Discharge ...
Aluminum Anodizer Implements Zero Liquid Discharge ...

Bonnell Aluminum is an aluminum extrusion and anodizing operation in Newnan, Georgia. Prior to 2005, wastewater from the operation was treated with conventional chemical precipitation consisting of neutralization, flocculation and clarification.

Simultaneous removal of acidity and lead from acid lead ...
Simultaneous removal of acidity and lead from acid lead ...

battery wastewater was treated electrochemically with iron and aluminum sacrificial electrodes and supporting electrolytes, such as KCl, Na 2SO 4 and a combination of them. concentration of 8.6 mg L-1 falls under the permissible limit in only 20 minutes of electrolysis time with iron electrodes

Aluminum Reclamation by Acidic Extraction of Aluminum ...
Aluminum Reclamation by Acidic Extraction of Aluminum ...

Aluminum, reclamation by ,acidic, extraction of ,aluminum, anodizing sludges F. Michael Saunders, ... that segregation of certain metal ,containing, wastes may be required for selected ,aluminum,-finishing wastes. /. Water Pollut. ... except the ,acidic, seal. ,Wastewater, treatment at Plant A …

What are the wastewater treatments for the Industrial ...
What are the wastewater treatments for the Industrial ...

The ,wastewater, generated from the surface treatment of ,aluminum, profiles is mainly acid-base ,wastewater,, which contains a small number of harmful anions and cations such as Ni2 +, Sn2 +, and F-. The treatment method is acid-base neutralization.

Aluminum Anodizer Implements Zero Liquid Discharge ...
Aluminum Anodizer Implements Zero Liquid Discharge ...

1/6/2016, · ,Bonnell Aluminum, is an aluminum extrusion and anodizing operation in Newnan, Georgia. Prior to 2005, wastewater from the operation was treated with conventional chemical precipitation consisting of neutralization, flocculation and clarification.

Chemical & pH Adjustment - Evoqua
Chemical & pH Adjustment - Evoqua

An ,acidic, solution has a pH below 7, and a basic (also, “alkaline” or “caustic”) solution has a pH above 7. Often, these pH units are abbreviated “s.u.,” for “standard unit.” Because it is based on a logarithmic scale, each s.u. represents a 10-fold change in the solution’s acidity/basicity.

Removing Heavy Metals From Wastewater - Bluevantage
Removing Heavy Metals From Wastewater - Bluevantage

The goal of the rapid mix operation is to first raise the wastewater pH to form metal hydroxide particles, as discussed above. After the addition of caustic, the next step is to add aluminum or iron salts, or organic polymers (coagulants) directly to the wastewater. These polymers attach to the metal solids particles.

how to deal with the wastewater of aluminum profiles
how to deal with the wastewater of aluminum profiles

The ,wastewater, includes the acid washing water, the acid washing water corroded by acid and affected by oxidation. The ,wastewater, is ,acidic, afer mixed, ,containing, Al3+, Ni2+, Sn2+, Sn4+, Na+, Cr+ and other positive ions, and Ao42-, F-, No3-, C1-, A102-, Ac- and other negative ions, as well as surfactant and acrylic resin and other organic matter.

Removing Heavy Metals From Wastewater - Bluevantage
Removing Heavy Metals From Wastewater - Bluevantage

The goal of the rapid mix operation is to first raise the ,wastewater, pH to form metal hydroxide particles, as discussed above. After the addition of caustic, the next step is to add ,aluminum, or iron salts, or organic polymers (coagulants) directly to the ,wastewater,. These polymers attach to …

how to deal with the wastewater of aluminum profiles
how to deal with the wastewater of aluminum profiles

The ,wastewater, includes the acid washing water, the acid washing water corroded by acid and affected by oxidation. The ,wastewater, is ,acidic, afer mixed, ,containing, Al3+, Ni2+, Sn2+, Sn4+, Na+, Cr+ and other positive ions, and Ao42-, F-, No3-, C1-, A102-, Ac- and other negative ions, as well as surfactant and acrylic resin and other organic matter.

Aluminum Reclamation by Acidic Extraction of Aluminum ...
Aluminum Reclamation by Acidic Extraction of Aluminum ...

Aluminum, reclamation by ,acidic, extraction of ,aluminum, anodizing sludges F. Michael Saunders, ... that segregation of certain metal ,containing, wastes may be required for selected ,aluminum,-finishing wastes. /. Water Pollut. ... except the ,acidic, seal. ,Wastewater, …

Precipitation Methods Using Calcium-Containing Ores for ...
Precipitation Methods Using Calcium-Containing Ores for ...

F-containing wastewater is mostly originated from fluoride containing “three wastes” produced by aluminum electrolysis, ceramics, cement, glass, semiconductor, steel, pharmaceutical, and other industries [7–10]. A wide range of industrial enterprises are involved in …

WASTEWATER TREATMENT PLANTS - DPHU
WASTEWATER TREATMENT PLANTS - DPHU

Wastewater containing, inorganic loads ... • Neutralization (,acidic, and alkaline ,wastewater, is neutral-ized to avoid any impact on the subsequent biological treatment process) ... ted through the addition of ,aluminum, and iron salts at the biological treatment stage.

What are the wastewater treatments for the Industrial ...
What are the wastewater treatments for the Industrial ...

The wastewater generated from the surface treatment of aluminum profiles is mainly acid-base wastewater, which contains a small number of harmful anions and cations such as Ni2 +, Sn2 +, and F-. The treatment method is acid-base neutralization.

Aluminum salts: Aluminum chloride Aluminum nitrate ...
Aluminum salts: Aluminum chloride Aluminum nitrate ...

Aluminum, sulphate (or "alum") and ,aluminum chloride, are primarily used in municipal drinking water and ,wastewater, treatment facilities to help remove suspended particles and bacteria from the water. The other major uses of these two salts are in industrial water and ,wastewater, …

Introduction Of Aluminous Profile Surface Treatment ...
Introduction Of Aluminous Profile Surface Treatment ...

A: The wastewater produced by the nominal treatment of aluminum profiles is, importantly, acid and alkali wastewater, containing a small amount of harmful anion such as Ni2+, Sn2+, F-, etc., the treatment method is acid and alkali medium heel.

What chemicals are used and controlled in primary ...
What chemicals are used and controlled in primary ...

Selecting chemicals to coagulant solids in the wastewater requires considering the chemical makeup of the wastewater. Certain chemicals to coagulant solids in the wastewater are as follows: Ferric Chloride, Aluminum Chloride (AlCl 3 ), Aluminum Sulfate [Al 2 (SO 4 ) 3 ] and Ferric Chloride (FeCl 3 ).

Aluminum salts: Aluminum chloride Aluminum nitrate ...
Aluminum salts: Aluminum chloride Aluminum nitrate ...

Aluminum sulphate (or "alum") and aluminum chloride are primarily used in municipal drinking water and wastewater treatment facilities to help remove suspended particles and bacteria from the water. The other major uses of these two salts are in industrial water and wastewater treatment and in …

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