Packaged Daf Plant for Industry Wastewater Treatment Equipment Dissolved Air Flotation Electrocoagulation

• After-sales Service: Yes
• Warranty: 2 Years
• Type: Flotation Machine
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: QD-EVU-20
• Method: Physical Treatment
• Usage: Industrial, Agriculture, Hospital
• Material: Stainless Steel/Carbon Steel
• Motor: German
• Operation: Automatic
• Main Power: 0.75-22kw
• Function: Remove Cod BOD
• After-Sale Service: Long Term
• Flow Rate: Meet Client′s Need
• Transport Package: Standard Shipping Package
• Specification: custom-made
• Trademark: Spark
• Origin: Qingdao China
• HS Code: 8421219990
• Production Capacity: 1000 Sets/Year
• Package Size: 1200.00cm * 250.00cm * 220.00cm
• Package Gross Weight: 10000.000kg

Product Description

WHAT IS ELECTROCOAGULATION (EC) PLANT?

Electrocoagulation (EC) is an electrochemical water treatment process used by a variety of industries. The process destabilizes and aggregates contaminant particles, ions such as heavy metals, and colloids, using an electrical charge to hold them in solution. The process traditionally utilizes an anode and a cathode, stimulated by a DC power source to destabilize the charges. This operation separates flocculated materials from water, allowing those materials to be removed, leaving clear water.

HOW DOES EC WORK?

Traditionally, the electrochemical process electrolytically oxidizes a sacrificial anode to release metal ions that form coagulants, destabilizing contaminants, and breaking emulsions. This coagulation forms flocculants that float to the surface for removal.

An electrochemical process offers outstanding benefits when compared to other technologies:

• Can treat both process and waste water
• Treats a wide range of contaminants
• Operation uses safe, simple equipment
• Typically, no need for chemical treatment
• Can typically reuse electrocoagulation-treated waters, minimizing waste

THE ELECTROCHEMICAL PROCESS

STAGE 1 - ELECTROLYTIC OXIDATION & IN-SITU FORMATION OF COAGULANTS

 

STAGE 2 - DESTABILIZATION OF CONTAMINANTS, EMULSIONS, PARTICULATES

STAGE 3 - FLOC FORMATION

ADVANTAGES OF ELECTROCOAGULATION 

• Nonbinding customer to electrode replacement
• Very low cost for electrodes - cheap steel sheets - can even use nonconforming metal sheets or scrap metal sheets
• Easy logistics and easy to find electrodes, worldwide
• Low current and electrical density (8v vs. 120 V; 20 kW vs. 120 kW installed) - fewer risks, fewer security procedures, longer lifetime cycles
• Space between electrodes avoids blockage problems from sludges and metal oxidized materials
• Integrated cleaning device for electrodes, keeping them active and avoiding passivation

APPLICATION OF ELECTROCOAGULATION 

• Recalcitrant and difficult molecules removal
• Color removal
• Detergents/Tensioactive removal, emulsions breakdown
• Improved reduction of COD and BOD
• Increasing biodegradability of tough effluents to improve downstream treatment efficiencies
• Either first step or tertiary treatment easy add-on to existing plants
• New and future standards and requirements from EU and other authorities related to rejecting limits

Allowing automation and environmental compliance by using electrocoagulation for wastewater treatment

Metal removal is rather easy and fast straight forward with electrocoagulation. Oils and emulsion removal are the fruit of this chemical solution. Thanks to electrocoagulation, the client gets rid of huge chemical dosages and activated carbon adding, and no longer needs to control pH.

                     Chemical & Pharma Industry

These technologies combined allowed for the total removal of formaldehyde and consequently, COD and BOD with a 99% removal. With these results, operating costs decreased a lot because all wastewater was being directed to a hazardous waste management company that charged for the transportation and treatment of the effluent. Such advantages in the cost of operation and construction will have a considerable weight on the economic balance of the project, in global terms.

                               Food Industry

The day-to-day demands of Western societies have profoundly changed the eating habits of populations. The need to devote little of our time to daily meals, generated a change in demand for pre-cooked meals, causing this industry to grow significantly. On the other hand, this change causes an environmental impact, as the resulting waters from this grouping industrial activity are being discharged in city sewage networks with high pollutants, causing therefore extra stress to the already overloaded streams. Discharges of high amounts of grease, organic loads, suspended solids, and other pollutants, will affect the downstream treatment plants, besides not complying with the majority of reject limits for wastewaters established by local authorities.

EVU Technological Parameter

MODEL	CAPACITY (M3/H)	DIMENSION (M)	PUMP POWER (KW)	AIR COMPRESSOR POWER (KW)	TOTAL POWER (KW)
EVU-5	5	3.0*1.0*1.2	1.1	----	1.5
EVU-10	10	3.5*1.2*1.5	1.5	----	1.9
EVU-20	20	5.0*1.5*1.5	3	----	3.4
EVU-30	30	6.0*1.8*2.0	4	----	4.4
EVU-50	50	7.0*2.0*2.0	7.5	3	11.12
EVU-70	70	9.0*2.0*2.0	7.5	3	11.5
EVU-80	80	9.5*2.5*2.0	7.5	4	14.1
EVU-100	100	12.0*2.5*2.0	11	4	17.6
EVU-150	150	14.0*3.0*2.5	15	5.5	23.8
EVU-200	200	16.0×3.0×2.5	18	5.5	27.1