Ultrasonic system against algae without chemicals, for algae blooms in fresh water ecosystems.

1. Ultrasonic treatment & ecosystems

2. Public parks
Solar thermal plants
Irrigation ponds
Ornamental lakes
• Large variety of
ecosystems
–Shape
–Size
–Construction
–Use...
Freshwater ecosystems

3. Freshwater ecosystem proper
operation
ALGAE
Chlorophyll “a”
Animal
biomass:
Zooplancton
Fishes
….
O2
Nutrients
N and P
Nutrients input
Light
Sun
(Energy
)
- All components are connected
- Natural balance
- “Alive” dynamic systems

4. Freshwater ecosystem improper
operation
ALGAE
Chlorophyll
“a”
Animal
biomass:
Zooplancton
Fishes
….
O2
Nutrients
N and P
Light
Sun
(Energy)
Excessive input of nutrients
(fertilizers, detergents, wastewater,...) EUTROPHICATION

5. Freshwater ecosystem improper
operation
ALGAE BLOOM !!!

Turbidity increases

Oxygen decreases

Anaerobic process: malodorous gases

Accumulation of reduced substances
(sulphides, ammonium, Fe, Mg...)
DECREASING WATER QUALITY:
Loss of natural balance
between input nutrients and algae

6. Algal bloom
Relationship between nutrients and the algal community weight:
1P: 7N: 40C: 100 g dry weight: 500 g wet weight
(Vallentyne, 1978)
1 gram of phosphorus can produce up 500 grams of algal biomass

7. Solutions against eutrophication
CURATIVE MEASURES
Anti-algae chemicals with
immediate action
Short-term treatment
TEMPORAL EFFECTS
PREVENTIVE MEASURES
(Water quality improving)
Medium/long-term treatment
PERMANENT EFFECTS
MORE EFFICIENT

8. Solutions against eutrophication
PREVENTIVE MEASURES
(Water quality improving)
Medium/long-term treatment
PERMANENT EFFECTS
MORE EFFICIENT
Ultrasonic treatment against algae

9. DUMO Algacleaner on
freshwater ecosystems
• Helps to restore natural
dynamic balance between:
–Input nutrients
–Algal biomass
• Kills algae.
• Migitates algal growth.

10. DUMO Algacleaner on
freshwater ecosystems
• DUMO Algacleaner can reduce algal
biomass in 42 days.
Ultrasonic treatment with DUMO Algacleaner in an irrigation pond with wastewater input. Cyanophyte Mycrocistis aeruginosa bloom.
Test carried out by the Experimental Centre of New Technologies of Water (CENTA) in 2014 (www.centa.es)

11. DUMO Algacleaner benefits
Ecological
Non hamful
Clean
Easy to install
24/7 Service
Minimal mantenance
Low power
consumption