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Nickel plating on iron by electrolysis in acidic wastewater containing nickel

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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Nickel plating on iron by electrolysis in acidic wastewater containing nickel
Ion Exchange - Wastewater Treatment - Progressive Gardening
Ion Exchange - Wastewater Treatment - Progressive Gardening

Less expensive weakly basic reagents such as ammonia (NH3) or ,sodium carbonate, can be employed. Ion exchanger systems used for ,wastewater treatment, have been based on a process called DESAL (Downing et al, 1968), which utilizes a three-step operation: 1. A weak base anion resin in the bicarbonate form, R-(NH)HCO3. 2.

pH Correction – Wastewater Treatment | Acorn Water
pH Correction – Wastewater Treatment | Acorn Water

IN FULL. As a measurement of the acidity or basicity of a solution, pH is an important parameter to control and regulate in ,wastewater treatment,. The scale used for pH goes ranges from 0 to 14, with pure water having a neutral pH of 7. The pH values of acids are below 7 and those of bases are above.

Alkalinity Adjustments in my Wastewater Treatment Plant ...
Alkalinity Adjustments in my Wastewater Treatment Plant ...

Lime Slurry. Soda Ash. Caustic Soda. With so many options for treating alkalinity, there are three main options that are typically represented in the marketplace for ,Wastewater Treatment, Plants (WWTP) when faced with this question: magnesium hydroxide, lime slurry, and caustic soda. The following outlines the good and the bad of each, hopefully ...

Chemical Industry Wastewater Treatment Using Adsorption
Chemical Industry Wastewater Treatment Using Adsorption

to be 90 per cent. The remaining ,sodium, chloride and ,sodium carbonate, were recovered and reused in soda manufacture. Methodology The conventional flow sheet of ,wastewater treatment, used by most of the nndu"trial units, includes primary ,treatment,, followed by secondary and tertiary treatments.

Chemical Industry Wastewater Treatment Using Adsorption
Chemical Industry Wastewater Treatment Using Adsorption

to be 90 per cent. The remaining ,sodium, chloride and ,sodium carbonate, were recovered and reused in soda manufacture. Methodology The conventional flow sheet of ,wastewater treatment, used by most of the nndu"trial units, includes primary ,treatment,, followed by secondary and tertiary treatments.

Understanding Alkalinity | Treatment Plant Operator
Understanding Alkalinity | Treatment Plant Operator

Sodium, hydroxide (caustic soda) ,Sodium carbonate, (soda ash) or ,sodium, bicarbonate; Magnesium hydroxide or magnesium bicarbonate; ,Sodium, hypochlorite (bleach) and calcium hypochlorite (granular chlorine) will raise the liquid pH and alkalinity while performing as disinfectants.

Wastewater Grease and Fatty Acid Removal Study- Aquafix
Wastewater Grease and Fatty Acid Removal Study- Aquafix

27/11/2018, · A 2.5% solution of ,sodium carbonate,, and 0.05M hydrochloric ,acid, were used to control pH. SmartBOD was added as a source of COD. 10,000 mg/L COD solutions were made and added to the ,wastewater, to obtain the target of 400 mg/L COD.

SOLUTION FOR WASTEWATER PROBLEM RELATED TO …
SOLUTION FOR WASTEWATER PROBLEM RELATED TO …

Another method of treatment is the addition of barium chromate. The waste-water is treated with barium chloride and sodium carbonate is added to raise the pH (alkaline) and then excess barium carbonates added to precipitate excess barium. This method of treatment is capable of removing chromate

Method for the treatment of wastewater - SOLVAY
Method for the treatment of wastewater - SOLVAY

A method is disclosed for the ,treatment, of ,wastewater, deriving from the manufacturing process of halogenated vinyl polymers, in particular vinylidene chloride polymers. The method comprises sequentially adding to the ,wastewater, at least one water soluble ,carbonate,, preferably ,sodium carbonate,, and at least one water soluble calcium salt to form a solid precipitate and separating water from the ...

Wastewater & Effluent Treatment | B&V Chemicals
Wastewater & Effluent Treatment | B&V Chemicals

An alkali for use in pH control of potable water, effluent ,treatment, and flue gas ,treatment,. BV411: Phosphoric ,acid,: Concentrated acidic pH adjuster for many applications including adjusting the pH of ,waste water,. BV228: ,Sodium, Bicarbonate: Powder product for neutralising ,acid, solutions: BV1017: ,Sodium carbonate, solution

Water treatment - Berner Industries
Water treatment - Berner Industries

In the Berner Industries range of water treatment chemicals, you will find products for both municipal and industrial water production and wastewater treatment needs. Our products include, for instance: sodium hydroxide, caustic soda or lye, as a solution and as solid pearls. sodium carbonate; soda …

Controlling the acid capacity on wastewater treatment plants
Controlling the acid capacity on wastewater treatment plants

The ,acid, capacity is defined as the amount of hydrochloric ,acid, that can be added to a certain amount of ,waste water, until a pH of 4.3 is reached (common abbreviation: KS4.3). Causes ,of acid, capacity deficits in ,wastewater treatment, plants During the ,treatment, process, organic carbon-, nitrogen- and phosphate-containing ,wastewater

Chemical Treatment | Wastewater Treatment | Austro Water Tech
Chemical Treatment | Wastewater Treatment | Austro Water Tech

For acidic wastes (low pH) ,sodium, hydroxide, ,sodium carbonate,, calcium ,carbonate, or calcium hydroxide, may be added among other things. For alkali wastes (high pH) sulphuric ,acid, or hydrochloric ,acid, may be added. Acids can cause corrosion of equipment and care must be taken in choosing which ,acid, …

Water Softening - Sodium Carbonate - Soda Ash | Sodimate
Water Softening - Sodium Carbonate - Soda Ash | Sodimate

Sodimate, feed systems are widely used ,with sodium carbonate, to remove hardness from water caused by calcium and magnesium minerals. Hard water causes a variety of problems for ,treatment, facilities and distribution lines, such as lime scaling or mineral buildup, which can …

Nitrification Basics for Wastewater Systems
Nitrification Basics for Wastewater Systems

alkalinity wastewaters because nitrification is an ,acid, generating process. Some candidates for use are ,sodium carbonate, (Na2CO3), ,sodium, bicarbonate (NaHCO3), calcium ,carbonate, (CaCO3), caustic soda (NaOH), and lime (Ca(OH)2). Lesser-known alkalinity boosters used with great results are those derived from seawater, which contain beneficial trace

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