Result description
Being Saltgae a modular waste water treatment technology, smart integration of the different innovations around the algal-bacterial treatment is of crucial importance at time of increasing performance and saving resources. The Saltgae technology have been scaled-up and integrated in three demo sites available at different locations Israel (Arava), Italy (Camporosso) and Slovenia (Liubliana). They present different climatic conditions and origins for the wastewater to be treated: water from the milk industry (Spirulina or Tetraselmis, 20 kg/day), water from hide warehouse as representative of tannery wastewater (mixed algae, 1 kg/day), and water from the fish farming to grow Spirulina (alga used for food, 5 kg/day). Processes in each of these demo sites are as diverse as they will be in the real industrial sites and modules are adapted to the quality of the substrate. They allow to proof the feasibility of modular Saltgae technology under different scenarios
CAMPOROSSO
3000 sqm Algal-bacterial pond
Capacity: 30 m3/d
WWater: 2-30 g/L Salinity, COD 5.000 mg O2/L, TKN 100 ppm
Production: 20 kg/d biomass
Results:
- Harvesting energy < 0,8 kWh/kg
- Overall energy balance more favourable than existing technology for dairy WWT
- Better nutrient recovery (tot N < 10mg/L and tot P < 10mg/L)
- Productivity >10 g/(m2d)
- Lower fresh water needed
- Lower salt content in output stream
LIUBLIANA
100 sqm Algal-bacterial pond
Capacity: 2 m3/d WWater:100 g/L salinity, COD 10.000 mg O2/L
Production:1 kg/day of biomass and 0,35 m3 CH4 /Kg COD
High dissolved organic matter valorised in anaerobic digestion module
Results:
- Electric energy = 12kWh
- Thermal energy = 24 kWh
- Algal biomass = 1 kg/d
- Output water = BOD < 50 mg/L and total N <50 mg/L
- 50-70% of energy saving
ARAVA
1500 sqm Algal-bacterial pond of fish wastewaters
Capacity: 25-35 m3/d
WWater: 2.5 g/L Salinity, COD 1.000 mg O2/L,
Production: 5 kg/day of biomass
Results:
- Continuous rearing of fish and algae species in the system
- Excess of nutrient removal (N and P)
- Productivity >20g/m2/d of algal biomass and 5kg/m3/month of fish
- Re-use of treated wastewater for crop irrigation (increase pepper yield)
Addressing target audiences and expressing needs
- Other blended financing
- Business partners – SMEs, Entrepreneurs, Large Corporations
- Technology Transfer Expertise
- Expanding to more markets /finding new customers
Finding companies interested in the technology and willing to evaluate exploitation posibilities. Funding schemes to further move the created technology to industrialization level.
- Public or private funding institutions
- International Organisations (ex. OECD, FAO, UN, etc.)
- Other Actors who can help us fulfil our market potential
- Private Investors
R&D, Technology and Innovation aspects
Result submitted to Horizon Results Platform by ALGEN, CENTER ZA ALGNE TEHNOLOGIJE, DOO
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