DISSOLVED AIR FLOTATION SYSTEMS
The Dissolved Air Flotation Systems manufactured by Martint Environmental are designed for the removal of suspended solids, oil & grease, heavy metals, BOD, COD, and VOCs. Whether it be laundry, textile, food processing, or any other industrial process, Martint Environmental can customize a solution for you.
THE MARTINT ADVANTAGE
Air Dissolving System
Martint uses a unique air dissolving system that manufactures the maximum amount of dissolved air “white water” maintaining a very small micron bubble size. The air dissolving recirculation loop is skid mounted compactly under the DAF unit. A special air dissolving pump creates maximum shearing of air bubbles at very high pressure which eliminates the need for large air dissolving tanks typical of most DAFs.
Coagulation & Flocculation Zone
The Martint DAF design utilizes a static mixing in a pipe flocculator to achieve coagulation and flocculation. This design eliminates the need for mixing tanks and mixers which reduces moving parts and maintenance. Each flocculator is custom built to meet the customer’s needs.
Dissolved Air Injection
Dissolved Air "white water" is injected to many points along the pipe flocculator. This method allows for “white water” to be present during initial coagulation and flocculation. This method produces higher efficiencies in a smaller design.
Dissolved Air Blanket
Not only are volumes of "white water" injected into the pipe flocculator, but Martint also distributes a blanket of “white water” underneath the sludge blanket. This feature ensures flotation of any lazy floc as well as further polishes treated water as it flows to the discharge weir.
Adjustable Discharge Weir
An adjustable discharge weir provides water level control within the unit to give maximum percent solids in the sludge blanket and discharge sludge.
Construction Materials
Martint Environmental DAF vessels, flocculators and shafts are constructed of polished 304 stainless steel. Chains and sprockets are constructed of mild steel. Quality materials give longevity and durability to each system.
Martint Automation & Controls
Martint offers a variety of system controls. We offer fully automated PLC touch screen controls and automated flow control. We offer hand operated controls and manual flow control for the simple solution.
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50 |
100 |
200 |
300 |
400 |
|
|---|---|---|---|---|---|
width |
112” |
112” |
112” |
136” |
170” |
length |
128” |
128” |
176” |
176” |
176” |
height |
72” |
102” |
128” |
128” |
128” |
parameter |
untreated |
treated |
|---|---|---|
BOD |
450 |
110 |
COD |
1260 |
236 |
TSS |
713 |
15 |
Oil & Grease |
650 |
45 |
pH |
11.5 |
7.5 |
Zinc |
5 |
<0.0 |
Copper |
2.0 |
<0.03 |
Lead |
0.4 |
<0.01 |
Nickel |
0.36 |
<0.1 |
Cadmium |
0.03 |
<0.02 |
Chromium |
0.19 |
<0.02 |
