Welcome to the company ! we have many years of professional experience !
rsdzd@pyzyrsd.com +86 513525609655

Influencing factors of heavy metal 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.

Certificate of Honor

Get in touch with us

We will confidentially process your data and will not pass it on to a third party.

Influencing factors of heavy metal acid wastewater
INDUSTRIAL WASTEWATER TREATMENT
INDUSTRIAL WASTEWATER TREATMENT

Why do we need to ,treat wastewater, ? 7 . ... remove rust and prepare the surface for ,tin, or chromium ,plating, ... those using Hydrochloric ,acid,), where the mineral ,acid, is boiled away from the iron salts, there remains a large volume of highly ,acid, ferrous sulfate or ferrous chloride to be disposed of.

Simplified Removal of Chelated Metals
Simplified Removal of Chelated Metals

of acid rinses, degreaser, and copper plating waste. Previously, the waste stream was treated with ferric chloride, caustic and polymer in a continuous setup.

New trends in removing heavy metals from industrial wastewater
New trends in removing heavy metals from industrial wastewater

1/10/2011, · It is evident from the literature survey of 94 articles (1999–2008) that: lime precipitation has been found as one of the most effective conventional means to treat inorganic effluent with a metal concentration higher than 1000 mg/L; new adsorbents and membrane filtration are the most frequently studied and widely applied for the treatment of the heavy metal-contaminated wastewater; …

The Ultimate Guide to Wastewater Treatment
The Ultimate Guide to Wastewater Treatment

Brine treatment can be used both in municipal ,wastewater, treatment applications and to ,treat, industrial ,wastewater,. Solids removal This method is used to remove solids in the form of a slurry from the water and usually done with sedimentation techniques.

Wastewater treatment for tin plating
Wastewater treatment for tin plating

A. Hi Ari. When using iron-based coagulants/co-precipitants, I believe that you should add them while the effluent is still quite, acidic;, then, when you neutralize, some of the, iron, stays in solution driving out the other metals. But what I missing in this discussion is the entire idea of, wastewater treatment, for, tin.

Purification And Treatment Of Electroplating Baths And ...
Purification And Treatment Of Electroplating Baths And ...

Abstract: A method of recovering and reproducing a tinning liquid containing Fe ions and other detrimental cations by the steps of removing cations from the tinning liquid by passing the tinning liquid or a diluted liquid of the tinning liquid through a strong-,acid, cation exchange resin to obtain a recovered ,acid,, thereafter reproducing the strong-,acid, cation exchange resin and desorbing adsorbed cations into a solution containing an ,acid, by passing the ,acid, …

Tin plating wastewater treatment - EVALED® | Veolia Group
Tin plating wastewater treatment - EVALED® | Veolia Group

Cast iron is first rolled to get thickness in the range of 0.2 – 0.3 mm than it is electroplated from aqueous ,acid, solutions at a temperature around 60°C. The ,plating, bath contains iron sulphate, phenol sulfonic ,acid, and ,tin, salts, as in the table. At the end of the process ,plating, thickness is around 20 micron.

Liquid waste treatment in galvanizing and zinc electroplating
Liquid waste treatment in galvanizing and zinc electroplating

Its purpose is to remove the oxides present on the piece surface. Pickling can be carried out in an acid or alkaline bath. The basic solutions used are hydroxides (sodium, potassium or calcium) and carbonates (sodium carbonate), organic and inorganic additives and surfactants.

Pollution Prevention in the Plating Process
Pollution Prevention in the Plating Process

Metal finishers have used wetting agents for years in process solutions to aid in plating. A wetting agent is a substance, usually a surfactant, that reduces surface tension. The addition of a very small amount of surfactant or wetting agents can reduce dragout by as much as 50 percent (EPA 1992).

Decontamination of Metal Finishing Area | Products Finishing
Decontamination of Metal Finishing Area | Products Finishing

There are three options for this material: treat it on-site using your wastewater pretreatment, sell it to another entity, or dispose of it off-site. Because your plating line used cyanide, a number of listed hazardous wastes under USEPA 40CFR261.31 come into play; these are listed as follows:

How to Treat Wastewater from Iron and Steel Industry ...
How to Treat Wastewater from Iron and Steel Industry ...

A typical pickling operation for stainless steel plates consists of a 10 per cent sulphuric ,acid, bath at 160°F, followed by a 10 per cent nitric ,acid,, 4 per cent hydrofluoric ,acid, bath at 150°F. A typical continuous pickling line for stainless steel strip consists of a 15 per cent hydrochloric ,acid, bath at 160°F followed by a 4 per cent hydrofluoric ,acid,, 10 per cent nitric ,acid, bath at 170°F.

Industrial wastewater treatment - Wikipedia
Industrial wastewater treatment - Wikipedia

Industrial ,wastewater, treatment describes the processes used for treating ,wastewater, that is produced by industries as an undesirable by-product. After treatment, the treated industrial ,wastewater, (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment.. Most industries produce some ,wastewater,.Recent trends have been to minimize such production or ...

Industrial Wastewater Treatment | IWA Publishing
Industrial Wastewater Treatment | IWA Publishing

Dissolving or emulsifying oil using surfactants or solvents usually exacerbates the problem rather than solving it, producing ,wastewater, that is more difficult to ,treat,. The wastewaters from large-scale industries such as oil refineries, petrochemical plants, chemical plants, and natural gas processing plants commonly contain gross amounts of oil and suspended solids.

Treating plating wastewater then re-using it
Treating plating wastewater then re-using it

The WWTP is only, treating rinsing water., General info for our Plating process sequence: 1)Acid, wash,, 2)Rinsing X 1, 3)Nickel Plating, 4)Nickel Drag out, 5)Rinsing X 3, 6)Acid, wash,, 7)Rinsing X 1, 8)Sn-Pb Plating, 9)Sn-Pb Drag out, 10)Rinsing X 2, 11)Neutralizer, 12)Rinsing X 2, 13)Hot, Rinsing, X 2, 14)Washing

Case study - Tin plating wastewater treatment ...
Case study - Tin plating wastewater treatment ...

Cast iron is first rolled to get thickness in the range of 0.2 – 0.3 mm than it is electroplated from aqueous ,acid, solutions at a temperature around 60°C. The ,plating, bath contains iron sulphate, phenol sulfonic ,acid, and ,tin, salts, as in the table. At the end of the process ,plating, thickness is around 20 micron.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City