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

What are the neutralization treatment methods for 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.

What are the neutralization treatment methods for acid wastewater
Study of the electrocoagulation of electroplating industry ...
Study of the electrocoagulation of electroplating industry ...

the treatment of various emissions : water washing [5], discharges of oil [6], water ,containing, metal ions such as arsenic [7-8], copper, lead, cadmium [9], ,iron, [10,11], ,chromium, [12-14]. 1. Theory of electrocoagulation EC involves several chemical and physicochemical phenomena due to ,electrolysis,. Generally three steps occur

(PDF) Removal of Hexavalent Chromium-Contaminated Water ...
(PDF) Removal of Hexavalent Chromium-Contaminated Water ...

adsorption has been widely used for the treatment of In view of the above, several methods such as ,chromium containing, wastewaters. adsorption, biosorption, reduction, and filtration Based on its size and shape, activated carbon is reverse osmosis, ion-exchange, foam flotation, elec- classified into four types: powder-activated carbon trolysis, and surface adsorption have been reported (PAC), granular-activated carbon (GAC), activated for ,chromium, …

Removal of Chromium Using Electrochemical Approaches: A Review
Removal of Chromium Using Electrochemical Approaches: A Review

Electrodialysis is considered a remarkably potential strategy for ,wastewater, treatment. Some previous works have proposed the removal of ,chromium, ions using electrodialysis involving solid ion-exchange membranes. Three detachable cells were employed, where Cr(III) can be recovered

Removal of Chromium Using Electrochemical Approaches: A Review
Removal of Chromium Using Electrochemical Approaches: A Review

Electrodialysis is considered a remarkably potential strategy for ,wastewater, treatment. Some previous works have proposed the removal of ,chromium, ions using electrodialysis involving solid ion-exchange membranes. Three detachable cells were employed, where Cr(III) can be recovered

what is formed when coagulant is added to water
what is formed when coagulant is added to water

what is formed when ,coagulant, is added to water

Reduction of Hexavalent Chromium by H2O2 in Acidic ...
Reduction of Hexavalent Chromium by H2O2 in Acidic ...

Removal of Cr(VI) from ,wastewater, using acid-washed zero-valent ,iron, catalyzed by polyoxometalate under acid conditions: Efficacy, reaction mechanism and influencing factors. Journal of the Taiwan Institute of Chemical Engineers 2015, 47, 177-181. DOI: 10.1016/j.jtice.2014.10.004.

Chromium Removal from Tannery Wastewater by ...
Chromium Removal from Tannery Wastewater by ...

Electrocoagulation experiments were conducted using an electrochemical cell with iron electrodes immersed in a specific volume of tannery wastewater. Operating parameters, such as the initial chromium concentration, pH and current density as well as power consumption were evaluated to determine optimum chromium removal.

Electrochemical treatment of spent tan bath solution for ...
Electrochemical treatment of spent tan bath solution for ...

An electrochemically assisted coagulation for the removal of chromium from water has been studied using zinc or magnesium as anode and galvanized iron as cathode. The results showed that the optimum removal efficiency of 95% was achieved at a current density of 0.2 A·dm −2 , at a pH of 7.0 ( Vasudevan et al. 2010 ; Vasudevan & Lakshmi 2011 ).

Removal of Cr(VI) ions from waste water by ...
Removal of Cr(VI) ions from waste water by ...

1/6/2015, · The performance of, electrocoagulation, using, iron, electrodes for the treatment of aqueous solutions, containing chromium, hexavalent ions using fixed bed electrochemical batch reactor was studied. A new, anode, design consisting of hex nuts was connected together with a thin rode of, iron.

(PDF) Overview of Electrolytic treatment: An alternative ...
(PDF) Overview of Electrolytic treatment: An alternative ...

electrolysis, of water in which hydrogen originates at a cathode and oxygen at the ,anode,. In France, an ECF system was joined together to study the membrane process (micro filtration)

Removal of Microbeads from Wastewater Using ...
Removal of Microbeads from Wastewater Using ...

The need for better microplastic removal from ,wastewater, streams is clear, to prevent potential harm the microplastic may cause to the marine life. This paper aims to investigate the efficacy of ,electrocoagulation, (EC), a well-known and established process, in the unexplored context of microplastic removal from ,wastewater, streams. This premise was investigated using artificial ,wastewater, ...

Production of hexavalent chromium during electrolysis ...
Production of hexavalent chromium during electrolysis ...

In ,anode,, things get oxidized. That is why the ,chromium, in ,anode, would become hexavalent ,chromium, (hexavalent ,chromium, is the oxidized form of ,chromium,). In cathode, things get reduced (opposite of oxidized). That is why you could remove rust, because rust is the oxidized form of ,iron,, so if you reduce rust, you would get ,iron,.

Electrolytic recovery of chromium salts from tannery ...
Electrolytic recovery of chromium salts from tannery ...

30/9/2007, · Electrolytic chromium reduction from the chrome tannery wastewater, using a stainless steel plate as cathode and a graphite rod as anode has been reported by other workers [13]. They reported that 100% Cr reduction took place from synthetic water, while 94–99% was true for tannery water after 2 h, electrolysis.

Dissolved Air Flotation - Kemco Systems
Dissolved Air Flotation - Kemco Systems

To improve solids removal ,coagulant,/flocculants are added to coax suspended solids and colloidal particles into clumping together. Where and Why DAF? Typically, DAF is used to clarify ,wastewater, from food processing plants, industrial laundries, oil refineries, paper mills, metal finishing, and many other niche industries so water ,is suitable, for reuse or discharge to sewer.

Pac Water Purifying Reagent Coagulant Poly Aluminum ...
Pac Water Purifying Reagent Coagulant Poly Aluminum ...

Pac Water ,Purifying Reagent Coagulant Poly Aluminum Chloride For Water Clarification Coagulant, , Find Complete Details about Pac Water ,Purifying Reagent Coagulant Poly Aluminum Chloride For Water Clarification Coagulant,,,Water Clarification,Coagulant,,Reagent from Electronics Chemicals Supplier or Manufacturer-Weifang Entachem Co., Ltd.

REMOVAL OF HEXAVALENT CHROMIUM FROM ELECTROPLATING ...
REMOVAL OF HEXAVALENT CHROMIUM FROM ELECTROPLATING ...

Electrocoagulation is a process consisting of creating metallic hydroxid flocs inside the ,wastewater, by electrodissolution of soluble anodes made of aluminum or ,iron,. The electrochemical oxidation of ,iron, anodes produces ferrous, Fe2+ and ferric, Fe3+ ions. The Fe2+ ions can reduce Cr (VI) to Cr (III)

Reduction of Hexavalent Chromium by H2O2 in Acidic ...
Reduction of Hexavalent Chromium by H2O2 in Acidic ...

Removal of Cr(VI) from ,wastewater, using acid-washed zero-valent ,iron, catalyzed by polyoxometalate under acid conditions: Efficacy, reaction mechanism and influencing factors. Journal of the Taiwan Institute of Chemical Engineers 2015, 47, 177-181. DOI: 10.1016/j.jtice.2014.10.004.

What Is A Flocculating Agent And How Does It Work? - Ceramics
What Is A Flocculating Agent And How Does It Work? - Ceramics

In ,wastewater, treatment, polyacrylamide-based flocculants are commonly used. What is ,coagulant, and flocculant? Flocculation and coagulation treatment chemicals are used in effluent water treatment processes for solids removal, water clarification, lime softening, sludge thickening, and solids dewatering.

Electrochemical treatment of spent tan bath solution for ...
Electrochemical treatment of spent tan bath solution for ...

An electrochemically assisted coagulation for, the removal of chromium, from, water, has been studied using zinc or magnesium as, anode, and galvanized iron as cathode. The results showed that the optimum, removal, efficiency of 95% was achieved at a current density of 0.2 A·dm −2, at a pH of 7.0 (Vasudevan et al. 2010; Vasudevan & Lakshmi 2011).

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City