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

Removal of chromate and copper ions from 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.

Certificate of Honor

Get in touch with us

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

Removal of chromate and copper ions from electroplating wastewater
Hospital Waste Water Treatment By Electro Chemical Process
Hospital Waste Water Treatment By Electro Chemical Process

4.1.3 ,Acid, or ,Alkali, H2SO4 ,acid, or NaOH ,alkali, to be used for Ph maintain of ,waste water,. The optimum Value of pH necessary for the Fenton process. 4.1.4 ,Reaction, Mechanism Fenton Process The ,reaction, of Fenton reagent and oxidizing agent H 2 O 2.The generation of hydroxyl radicals following the chain ,reaction,. 2+Fe • + H 2 O

Characteristics and Treatment of Wastewater from the ...
Characteristics and Treatment of Wastewater from the ...

Sulfur compounds are removed from petroleum by the addition of sodium hydroxide at a very high concentration. As a result, a residue called spent soda or spent caustic is generated, being extremely aggressive to the environment. In this work, the chemical properties of this residue are described in detail. The sodium hydroxide remains that have not reacted, sulfur compounds, and …

Neutralization&Photolysis Group 6 | Chemical Reactions ...
Neutralization&Photolysis Group 6 | Chemical Reactions ...

Neutralization,&Photolysis Group 6 - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Chemical Engineering

Characteristics and Treatment of Wastewater from the ...
Characteristics and Treatment of Wastewater from the ...

Sulfur compounds are removed from petroleum by the addition of sodium hydroxide at a very high concentration. As a result, a residue called spent soda or spent caustic is generated, being extremely aggressive to the environment. In this work, the chemical properties of this residue are described in detail. The sodium hydroxide remains that have not reacted, sulfur compounds, and organic matter ...

HJ 2057-2018 PDF.
HJ 2057-2018 PDF.

This standard specifies the technical requirements for the design, construction, acceptance, operation and maintenance of lead smelting ,wastewater, treatment projects. This standard is a guiding standard. This standard is the first release. This standard was formulated by the Ministry of Ecology and Environment. This standard is mainly drafted by.

(PDF) 1-s2 0-S0306261909004346-main | Look Hinz - …
(PDF) 1-s2 0-S0306261909004346-main | Look Hinz - …

Reaction, timeFreedman et al. [141] found that the conversion rate of fatty ,acid, esters increases with ,reaction time,. At the beginning, the ,reaction, is slow due to the mixing and dispersion of alcohol into the oil. After a while, the ,reaction, proceeds very fast. Normally, the yield reaches a maximum at a ,reaction time, of <90 min, and then ...

Zinc Precipitation and Recovery From Viscose Rayon Waste Water
Zinc Precipitation and Recovery From Viscose Rayon Waste Water

Enka was told that the unit should handle a waste water flow of 10 gals./min. Acid waste from a rayon plant waste water trench, with a pH between 2.0 and 4.0, was pumped to a 3,000-gallon storage tank, the acid was neutralized with caustic soda to a pH of 6.5 and the solution was allowed to settle overnight.

HJ 2056-2018 PDF. - Chinese Standard
HJ 2056-2018 PDF. - Chinese Standard

(3) ,Neutralization reaction time, 15 ~ 30min, iron salt arsenic removal ,reaction time, should be controlled at 15 ~ 30min; (4) The sedimentation tank should be mechanically scraped, and the slope of the bucket should be greater than 0.05;

HJ 2056-2018 PDF. - Chinese Standard
HJ 2056-2018 PDF. - Chinese Standard

(3) Neutralization reaction time 15 ~ 30min, iron salt arsenic removal reaction time should be controlled at 15 ~ 30min; (4) The sedimentation tank should be mechanically scraped, and the slope of the bucket should be greater than 0.05;

Extraction of Naphthenic Acid from Highly Acidic Oil Using ...
Extraction of Naphthenic Acid from Highly Acidic Oil Using ...

The ,neutralization, of the model oil was carried out by mixing 10 g of dodecane with a set amount of IL in a round-bottom flask with a hot plate, reflux condenser, and magnetic stirrer. The stirring rate was kept at 500 rpm, and the ,reaction time, was 1 h. Several temperature settings were used for the ,reaction, to optimize the process temperature.

Green Chemistry
Green Chemistry

of the aqueous ,alkali,; secondly, the ,liquid alkali, is 50 strongly corrosive to the equipment; finally, the volume of emission of ,alkali wastewater, is large and a lot ,of liquid acid, is usually required for ,neutralization, 2, 3. The hydrogenation of 2E2H is composed of …

HJ 2056-2018 PDF. - Chinese Standard
HJ 2056-2018 PDF. - Chinese Standard

6.3.2.1 When using lime ,neutralization, to treat acidic ,wastewater,, the basic process flow shown in Figure 3 should be used. Figure 3 Basic process of lime ,neutralization, 6.3.2.2 When using lime ,neutralization, to treat ,acid wastewater,, the following technical conditions and requirements shall be met.

Pretreatment of evaporated condensate generated during ...
Pretreatment of evaporated condensate generated during ...

The optimal ,reaction, condition obtained was: 500 g/L solid–,liquid, ratio, 30:1 gas–,liquid, ratio with 4 h ,reaction time,. Under the optimal condition, the chemical oxygen demand (COD) removal efficiency of micro-electrolysis could reach around 25%, and the biodegradability of ,wastewater, increased from 0.12 to 0.32.

China High Performance Acid And Alkali Vertical Pump ...
China High Performance Acid And Alkali Vertical Pump ...

High Performance ,Acid, And ,Alkali, Vertical Pump - Horizontal spray tower – Hong Sheng. Short Description: PP washing tower is a new type of industrial waste gas treatment equipment. It is produced on the basis of the industrial waste gas purifier with floating packing layer.

Green Chemistry
Green Chemistry

of the aqueous ,alkali,; secondly, the ,liquid alkali, is 50 strongly corrosive to the equipment; finally, the volume of emission of ,alkali wastewater, is large and a lot ,of liquid acid, is usually required for ,neutralization, 2, 3. The hydrogenation of 2E2H is composed of the processes of crude hydrogenation

Recent Development in Ammonia Stripping Process for ...
Recent Development in Ammonia Stripping Process for ...

The system also comprised of a heater to heat the ,wastewater, at 38°C and ammonia recovery via absorption with sulphuric ,acid,. Lastly, the effluent was neutralized after adding sulphuric ,acid,. As a result, they found that the ammonia stripping system for groundwater polluted with leachate displayed removal efficiency of 95.4% with initial ammonia concentration at 199.0 mg/L.

Hospital Waste Water Treatment By Electro Chemical Process
Hospital Waste Water Treatment By Electro Chemical Process

4.1.3 ,Acid, or ,Alkali, H2SO4 ,acid, or NaOH ,alkali, to be used for Ph maintain of ,waste water,. The optimum Value of pH necessary for the Fenton process. 4.1.4 ,Reaction, Mechanism Fenton Process The ,reaction, of Fenton reagent and oxidizing agent H 2 O 2.The generation of hydroxyl radicals following the chain ,reaction,. 2+Fe • + H 2 O

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City