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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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Bidding for fracturing and test production flowback fluid
Advanced Oxidation Processes for Wastewater Treatment in ...
Advanced Oxidation Processes for Wastewater Treatment in ...

3/4/2014, · In the type 4 [the most used one], Fenton's reagent is used to produce hydroxyl radicals in an ,electrolytic cell, and ferrous ion is regenerated by the reduction of ferric ions at the cathode [113]. Using this method, COD reduction up to 96% in a Kraft pulp mill effluent [initial COD: 1669.7 mgL -1 ] …

Research Article The Effective Electrolytic Recovery of ...
Research Article The Effective Electrolytic Recovery of ...

genic. Toxic heavy metals of particular concern in ,treatment, of industrial wastewaters include nickel, mercury, cadmium, lead, and ,chromium,. Electroplating copper industry discharged huge amount of ,wastewater, into ,wastewater, plant. Copper does essential workinanimalmetabolism;however,theexcessiveingestion

HJ 863.4-2018 PDF. - Chinese Standard
HJ 863.4-2018 PDF. - Chinese Standard

HJ 863.4-2018,: Technical specification for application and issuance of pollutant permit non-ferrous metal metallurgy industry - secondary non-ferrous metal. ,HJ863.4-2018, (HJ/T ...

Application of iron-loaded activated carbon electrodes for ...
Application of iron-loaded activated carbon electrodes for ...

Chromium, is widely used in a variety of industrial process. As a result, a large amount of ,chromium,-contaminated waste is produced, which pollute the soil, water and atmosphere 1,2,3,4.,Chromium, ...

Treatment and characterization of phosphorus from ...
Treatment and characterization of phosphorus from ...

14/8/2019, · The main objective of this study is ,treatment and characterization of phosphorus from synthetic wastewater, using aluminum electrodes in the electrocoagulation process. EC experimental setups were designed and different parameters were optimized. The maximum amounts of phosphorus removal efficiencies were observed at pH 7. The phosphorus removal efficiency increases from 85.16 …

Advanced Electrochemical Technologies in Wastewater ...
Advanced Electrochemical Technologies in Wastewater ...

This paper aims to provide an overview of electrochemical technologies in ,wastewater treatment,. First part was focuses on the development, basic theory and application of electro-coagulation whereas the second part is consecrated to the development, and application of electro-flocculation and electro-flotation. The basic designs of electrochemical units are also presented.

REMOVAL OF METALS FROM INDUSTRIAL WASTEWATER
REMOVAL OF METALS FROM INDUSTRIAL WASTEWATER

The ,treatment, of ,wastewater containing, metals can be broadly divided into two categories. ... the electrocoagulation reactor is an ,electrolytic cell,. ... the capturing of heavy metal ions because the structure of some resins with acidic functional groups contains sulfonic ,acid,[6].

CPC Scheme - C02F TREATMENT OF WATER WASTE WATER …
CPC Scheme - C02F TREATMENT OF WATER WASTE WATER …

Chromium, or ,chromium, compounds, e.g. chromates [2013-01] C02F 2101/30. Organic ... Build in apparatus for autonomous on board water supply and ,wastewater treatment, (e.g. for aircrafts, cruiseships, oil drilling platforms, railway trains, space ... ,Electrolytic cell, with membranes or diaphragms [2013-01] C02F 2201/4612. . . . Controlling or ...

Advanced Electrochemical Technologies in Wastewater ...
Advanced Electrochemical Technologies in Wastewater ...

This paper aims to provide an overview of electrochemical technologies in ,wastewater treatment,. First part was focuses on the development, basic theory and application of electro-coagulation whereas the second part is consecrated to the development, and application of electro-flocculation and electro-flotation. The basic designs of electrochemical units are also presented.

C25D 21 - Processes for servicing or operating cells for ...
C25D 21 - Processes for servicing or operating cells for ...

DE102009013164A1 Method for partial galvanization of elongated products in electrolytes of ,electrolytic cell,, which is associated to a bath current source, comprises placing the product for the ...

Hexavalent chromium removal by monopolar electrodes based ...
Hexavalent chromium removal by monopolar electrodes based ...

Therefore, the quadratic model was found to describe the significant effects of process variables on the ,treatment, of synthetic water ,containing chromium, (VI) through the EC process. The R 2 value of the design models was 0.8724 when electrode materials were the same, i.e., aluminum, whereas a higher R 2 value of 0.9096 was found when graphite electrode was introduced as the cathode material.

Pascal Okechukwu Electrocoagulation Project
Pascal Okechukwu Electrocoagulation Project

The ,electrolytic cell, assembly was operated with flow rates up to 1.9m3 /hr. Results obtained with simulated ,wastewater, revealed the following: The most effective removal capacities of studied metals could be achieved when the pH was kept at 7 with removal efficiency as high as 99% for zinc, copper, ,chromium, and nickel and seem not to be affected as long as the pH is kept between the range of ...

CHAPTER 14 - Electroplating Flashcards | Quizlet
CHAPTER 14 - Electroplating Flashcards | Quizlet

The ,treatment, is performed in an ,electrolytic cell, with the piece behaving as cathode or anode- it behaves as an ELECTRODE - . The electrolyte is an aqueous solution ,containing, the metal ion - the one that will deposit - or a complex of it - and other substances needed to improve the performance of the ,cell,.

EPA - Identification and Description of Mineral Processing ...
EPA - Identification and Description of Mineral Processing ...

IV. SUMMARY OF FINDINGS After careful review, EPA has determined that 48 mineral commodity sectors generated a total of 553 waste streams that could be classified as either extraction/beneficiation or mineral processing wastes (Exhibit 4-1).

Advanced Oxidation Processes for Wastewater Treatment in ...
Advanced Oxidation Processes for Wastewater Treatment in ...

3/4/2014, · In the type 4 [the most used one], Fenton's reagent is used to produce hydroxyl radicals in an ,electrolytic cell, and ferrous ion is regenerated by the reduction of ferric ions at the cathode [113]. Using this method, COD reduction up to 96% in a Kraft pulp mill effluent [initial COD: 1669.7 mgL -1 ] …

How to Treat Wastewater in Non-Ferrous Metal Industry?
How to Treat Wastewater in Non-Ferrous Metal Industry?

The presence of the chromate ion complicates both ,electrolytic, regeneration of the pickling ,acid, and also the ,treatment, of the effluent. Over the past 5 year progress has been made in substituting hydrogen peroxide as the oxidising agent, which avoids the effluent ,treatment, complication and does not interfere with the ,electrolytic, recovery of copper from the pickle solution.

How to Treat Wastewater in Non-Ferrous Metal Industry?
How to Treat Wastewater in Non-Ferrous Metal Industry?

The presence of the chromate ion complicates both ,electrolytic, regeneration of the pickling ,acid, and also the ,treatment, of the effluent. Over the past 5 year progress has been made in substituting hydrogen peroxide as the oxidising agent, which avoids the effluent ,treatment, complication and does not interfere with the ,electrolytic, recovery of copper from the pickle solution.

Chapter 82 - Metal Processing and Metal Working Industry
Chapter 82 - Metal Processing and Metal Working Industry

Wastewaters ,containing, sulphuric ,acid,, iron. Copper cake, cadmium. Zinc electrowinning. Zinc in a sulphuric ,acid,/aqueous solution, lead-silver alloy anodes, aluminium cathodes, barium carbonate or strontium, colloidal additives : Dilute sulphuric ,acid,. ,Electrolytic cell, slimes/sludges

Hexavalent chromium removal by monopolar electrodes based ...
Hexavalent chromium removal by monopolar electrodes based ...

Therefore, the quadratic model was found to describe the significant effects of process variables on the ,treatment, of synthetic water ,containing chromium, (VI) through the EC process. The R 2 value of the design models was 0.8724 when electrode materials were the same, i.e., aluminum, whereas a higher R 2 value of 0.9096 was found when graphite electrode was introduced as the cathode material.

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