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

Neutralization of acid industrial 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.

Neutralization of acid industrial wastewater
Process for the catalytic treatment of wastewater ...
Process for the catalytic treatment of wastewater ...

A process is presented for the treatment of ,wastewater containing, non-volatile pollutants and volatile chemically oxidizable ... such as, ,nickel,, zinc, cadmium, mercury, arsenic, and lead. Typically the ,wastewater, stream has a ... The inherent alkalinity of limestone will neutralize and remove ,strongly acidic, gases contained in the gaseous ...

Selective Removal of Heavy Metal Ions from Waters and ...
Selective Removal of Heavy Metal Ions from Waters and ...

20/11/2011, · Depending on the type of functional groups of exchanging certain ions, the ion exchangers with ,strongly acidic, e.g., sulphonate -SO 3 H, weakly ,acidic, e.g., carboxylate -COOH, ,strongly, basic e.g., quaternary ammonium -N + R 3 and weakly basic e.g., tertiary and secondary amine -N + R 2 H and -N + RH 2 should be mentioned.

Rust Preventing Agent and Stripping Agent - 表面处理部门
Rust Preventing Agent and Stripping Agent - 表面处理部门

Not ,containing, chromium, easy ,wastewater, treatment Improve adhesion with ... Use for iron materials to strip ,nickel, plating films ,Strongly, protect materials ... Acid Copper Plating ,Acidic, Cleaner Activator Additive For Electro-polishing To Stainless Steel Alkaline Type Electroless ,Nickel, Plating Solution Batch Application Type Catalyzer ...

Constructed Wetlands and their Role in Remediation of ...
Constructed Wetlands and their Role in Remediation of ...

Constructed wetlands (CWs) are an alternative method for ,wastewater, treatment and its purification. In the past decades, CW techniques were hardly used for contamination removal [1,2], although first time in early 1950s, Dr. Kathe Seidel used constructed wetland for ,wastewater, treatment [].But evolutionary period started since the 1990s, this technique is used to treat various types of ...

Method for treating heavy-metal-containing wastewater ...
Method for treating heavy-metal-containing wastewater ...

In the hydroxide method (alkali method) for treating ,wastewater containing, a heavy metal, the (generally ,acidic,) ,wastewater containing, the heavy metal is neutralized by adding an alkaline agent such as caustic soda or slaked lime thereto, whereby the heavy metal ions and hydroxide ions react together to produce a solid having a heavy metal hydroxide as a principal component thereof, and then ...

Special Issue
Special Issue "Adsorbents for Water and Wastewater ...

The technology of ,wastewater, treatment involving removal of heavy metals using complex metal hydroxides is reported. In this study, complex ,nickel,-aluminum (NA11 and NA12) and ,nickel,-aluminum-zirconium (NAZ1 and NAZ2) hydroxides were prepared for the removal of arsenite ions, As(III), from aqueous solution.

Constructed Wetlands and their Role in Remediation of ...
Constructed Wetlands and their Role in Remediation of ...

Constructed wetlands (CWs) are an alternative method for ,wastewater, treatment and its purification. In the past decades, CW techniques were hardly used for contamination removal [1,2], although first time in early 1950s, Dr. Kathe Seidel used constructed wetland for ,wastewater, treatment [].But evolutionary period started since the 1990s, this technique is used to treat various types of ...

Biosolids Technology Fact Sheet - US EPA
Biosolids Technology Fact Sheet - US EPA

acidic, environment and higher temperatures than . the organisms that perform the methane forma-tion step (the methanogenic bacteria). The acidogenic bacteria are also less sensitive than the methanogenic bacteria to changes in organic strength and composition in the incoming feed stream. Therefore, although many ,wastewater

Overview Scheme for Nickel Removal and Recovery from Wastes
Overview Scheme for Nickel Removal and Recovery from Wastes

14.2.3 Problems Associated with ,Nickel,-,Containing, Wastes ,Nickel, occurs in sea water, petroleum, and coal at trace levels, and Ni2+ present in the environment can seep into plant and animal bodies. Minor quantities of Ni2+ serve as an activator of certain enzymes and have a ben - eficial effect on humans and other organisms (Peng et al. 2014).

Recovery of Byproducts from Acid Mine Drainage Treatment ...
Recovery of Byproducts from Acid Mine Drainage Treatment ...

About this book. Recent developments have provided the opportunity to recover valuable materials from AMD treatment; this is a sustainable approach that allows to reduce waste while generating incomes that balance the cost of the treatment. This book provides insights …

Determination of Trace Metals in Waste Water and Their ...
Determination of Trace Metals in Waste Water and Their ...

9/3/2012, · ,Nickel, is a naturally occurring element widely used in many industrial applications for the shipbuilding, automobile, electrical, oil, food and chemical industries. Although it is not harmful in low quantities, ,nickel, is toxic to humans and animals when in high concentrations. ,Nickel, can be present in ,wastewater, as a result of human activities.

Rust Preventing Agent and Stripping Agent - 表面处理部门
Rust Preventing Agent and Stripping Agent - 表面处理部门

Not ,containing, chromium, easy ,wastewater, treatment Improve adhesion with ... Use for iron materials to strip ,nickel, plating films ,Strongly, protect materials ... Acid Copper Plating ,Acidic, Cleaner Activator Additive For Electro-polishing To Stainless Steel Alkaline Type Electroless ,Nickel, Plating Solution Batch Application Type Catalyzer ...

Process for the catalytic treatment of wastewater ...
Process for the catalytic treatment of wastewater ...

A process is presented for the treatment of ,wastewater containing, non-volatile pollutants and volatile chemically oxidizable ... such as, ,nickel,, zinc, cadmium, mercury, arsenic, and lead. Typically the ,wastewater, stream has a ... The inherent alkalinity of limestone will neutralize and remove ,strongly acidic, gases contained in the gaseous ...

Electrocatalytic Nitrate Reduction for Sustainable Ammonia ...
Electrocatalytic Nitrate Reduction for Sustainable Ammonia ...

In this process, nitrate-,containing wastewater, streams are used as a nitrogen source for the production of ammonia, a versatile compound that can be used as fertilizer, chemical, or fuel . This route would enable the utilization of nitrate to produce this valuable molecule, while the conventional removal of nitrate from ,wastewater,, known as “denitrification”, aims at the conversion of ...

Temperature and pH influence in sequestering cadmium ...
Temperature and pH influence in sequestering cadmium ...

influence in sequestering cadmium, ,nickel, and lead ions from synthetic ,wastewater, using fluted pumpkin seed coat. Journal of Molecular Studies and Medicine Research, 01(01), 34-40. This article is distributed under terms of a Creative Common Attribution 4.0 International License.

Remediation of heavy metals in drinking water and ...
Remediation of heavy metals in drinking water and ...

wastewater containing, high concentrations of heavy metals to receiving water bodies has serious adverse environmental effects. Their occurrence and accumulation in the environment is a result of direct or *Corresponding author. E-mail: akporbo@tut.ac.za. Tel: +27(0) 12 382 3046. Fax: +27(0) 12 382 3071.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City