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Treatment of acidic nickel containing electroplating 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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Treatment of acidic nickel containing electroplating wastewater
US20070295669A1 - Method of Treating Strongly Acid ...
US20070295669A1 - Method of Treating Strongly Acid ...

The method comprises the steps of (i) adding hydroxyapatite 11 to strongly ,acid wastewater, 1 A to precipitate its toxic substances as solid constituents, (ii) adding an alkaline substance 12 to the ,wastewater, 1 A to neutralize it, (iii) adding a coagulant 13 to the ,wastewater, 1 A to ,coagulate, the precipitated solid constituents, and (iv ...

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

A phenolic compound is a protoplasmic poison that causes the protein to ,coagulate,. When the concentration of phenol in water reaches 0.1-0.2mg/L, the fish meat has odor and can not be eaten; when the mass concentration increases to 1mg/L, ... ,Acid,-alkali ,wastewater, is highly corrosive and needs to be properly treated before it can be discharged.

Characteristics of the Coagulate Obtained During the ...
Characteristics of the Coagulate Obtained During the ...

wastewater coagulation process was performed using composite coagulant on PAC basis (COMPAC) [13] with dosage 100 mg L-1 at pH 6.0 and a room temperature. The coagulation tests involved the rapid addition of the coagulant to the model wastewater followed by stirring at 100 rpm. After addition of coagulants, the model

Characteristics of the Coagulate Obtained During the ...
Characteristics of the Coagulate Obtained During the ...

wastewater coagulation process was performed using composite coagulant on PAC basis (COMPAC) [13] with dosage 100 mg L-1 at pH 6.0 and a room temperature. The coagulation tests involved the rapid addition of the coagulant to the model wastewater followed by stirring at 100 rpm. After addition of coagulants, the model

The Heterogeneous Coagulation and Flocculation of Brewery ...
The Heterogeneous Coagulation and Flocculation of Brewery ...

wastewater,. ØCarbon nanotubes can be used as heterogeneous coagulants in the pretreatment of brewery ,wastewater,. ØFerric chloride was a more effective coagulant than both functionalised and pristine CNTs. Abstract Coagulation and flocculation treatment processes play a central role in the way ,wastewater, effluents are managed.

Water Treatment Coagulation | Water Treatment | Waste ...
Water Treatment Coagulation | Water Treatment | Waste ...

Water Treatment, Coagulants Coagulant ,water treatment, chemicals come in two main types – primary ,water treatment, coagulants and coagulant aids. Primary coagulants neutralize the electrical charges of particles in the water which causes the particles to clump together. Chemically, coagulant ,water treatment, chemicals are either metallic salts (such as alum) or polymers.

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

A phenolic compound is a protoplasmic poison that causes the protein to ,coagulate,. When the concentration of phenol in water reaches 0.1-0.2mg/L, the fish meat has odor and can not be eaten; when the mass concentration increases to 1mg/L, ... ,Acid,-alkali ,wastewater, is highly corrosive and needs to be properly treated before it can be discharged.

Deli Meats Processing Wastewater Treatment System Process ...
Deli Meats Processing Wastewater Treatment System Process ...

Deli Meats Processing ,wastewater, is treated by adjusting pH downward using ,acid, and strong coagulant chemistry to break emulsions caused by cleaning agents and sanitizers. The pH is then raised to ~8.5 with a coagulant added to precipitate and ,coagulate, solids and fats. A flocculent is then used to increase particle size and assist in separation.

How to Remove Emulsified Oil from Wastewater with ...
How to Remove Emulsified Oil from Wastewater with ...

Both sulfuric and hydrochloric (HCl) acids are used to break emulsions, however, hydrochloric ,acid, often seems to be superior. A step-by-step guide to both ,acid, breaking and coagulant breaking is presented below. ,Acid, Breaking Process. After the pH is measured, add ,acid, until the pH reaches a level of 4 or 5. Observe the turbidity.

The Heterogeneous Coagulation and Flocculation of Brewery ...
The Heterogeneous Coagulation and Flocculation of Brewery ...

wastewater,. ØCarbon nanotubes can be used as heterogeneous coagulants in the pretreatment of brewery ,wastewater,. ØFerric chloride was a more effective coagulant than both functionalised and pristine CNTs. Abstract Coagulation and flocculation treatment processes play a central role in the way ,wastewater, effluents are managed.

How to Control Pollution in Tannery Industry?
How to Control Pollution in Tannery Industry?

Chemical air scrubber can be used to eliminate the odour nuisance in the tannery ,wastewater, treatment plant. ... since it forms an ink with the gallic ,acid, in the wastes giving them an intense black colour. ... Alum doses of 250 mg/L can be utilised to ,coagulate, combined beam and tan wastes and achieve 85% TSS and 62% BOD reduction.

Five Types of Chemicals Used in WasteWater Treatment ...
Five Types of Chemicals Used in WasteWater Treatment ...

5. Hydrochloric ,Acid,. While some chemicals work to elevate ph level, there are also chemicals to lower the ph levels. One of them is hydrochloric ,acid,; While the chemical has many uses in industry, it is also used in ,wastewater, treatment. Hydrochloric ,acid,’s primary function is to lower the ph of the ,wastewater,.

Deli Meats Processing Wastewater Treatment System Process ...
Deli Meats Processing Wastewater Treatment System Process ...

Deli Meats Processing ,wastewater, is treated by adjusting pH downward using ,acid, and strong coagulant chemistry to break emulsions caused by cleaning agents and sanitizers. The pH is then raised to ~8.5 with a coagulant added to precipitate and ,coagulate, solids and fats. A flocculent is then used to increase particle size and assist in separation.

How to Remove Emulsified Oil from Wastewater with ...
How to Remove Emulsified Oil from Wastewater with ...

Both sulfuric and hydrochloric (HCl) acids are used to break emulsions, however, hydrochloric ,acid, often seems to be superior. A step-by-step guide to both ,acid, breaking and coagulant breaking is presented below. ,Acid, Breaking Process. After the pH is measured, add ,acid, until the pH reaches a level of 4 or 5. Observe the turbidity.

US20070295669A1 - Method of Treating Strongly Acid ...
US20070295669A1 - Method of Treating Strongly Acid ...

The method comprises the steps of (i) adding hydroxyapatite 11 to strongly ,acid wastewater, 1 A to precipitate its toxic substances as solid constituents, (ii) adding an alkaline substance 12 to the ,wastewater, 1 A to neutralize it, (iii) adding a coagulant 13 to the ,wastewater, 1 A to ,coagulate, the precipitated solid constituents, and (iv ...

how to use coagulate for water treatment | Industrial ...
how to use coagulate for water treatment | Industrial ...

how to use ,coagulate, for water treatment Coagulation (water treatment) In water treatment, coagulation flocculation involves the addition of compounds that promote the clumping of fines into larger floc so that they can be more easily separated from the water.

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