Treatment and valuing of Organic Effluents in Family Swine Culture through Macrophytes of Lemnaceae (duckweed family)
The treatment of effluents generated by animal breeding through duckweed ponds used as proteinic ingredients in the diet of several animals
About You
Location
Project Street Address
Project City
Project Province/State
Project Postal/Zip Code
Project Country
Your idea
Field of Work
Sanitation
Year the initative began (yyyy)
2002
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Web site (url)
Positioning of your initiative on the mosaic diagram:
Which of these barriers is the primary focus of your work?
Public information alone doesn’t change behaviors
Which of the principles is the primary focus of your work?
Move people up the sanitation ladder
If you believe some other barrier or principle should be included in the mosaic, please describe it and how it would affect the positioning of your initiative in the mosaic
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Name Your Project
Treatment and valuing of Organic Effluents in Family Swine Culture through Macrophytes of Lemnaceae (duckweed family)
Describe Your Idea
The treatment of effluents generated by animal breeding through duckweed ponds used as proteinic ingredients in the diet of several animals
Innovation
What is your signature innovation, your new idea, in one sentence?
The treatment of effluents generated by animal breeding through duckweed ponds used as proteinic ingredients in the diet of several animals
Describe your innovation. What makes your idea unique and different than others doing work in the field?
In a general way, the effluent treatment units require expensive structures and operations costs. Considering the limited profit margin of family farmers, the installation of these conventional stations becomes economically unsustainable. The idea of valuing the sewage in rural units, offers a view that the effluent treatment can, simultaneously, generate income while broadening the economic dimension of sustainability and consequently the environmental dimension.
Thereby, we are testing as an innovation, the application of aquatic plants from the Lemnaceae family in the absorption of nutrients (nitrogen and phosphorus) in swine sewage treatment ponds and in the production of animal ration through the biomass, highly proteinic, produced during the treatment.Despite some experiments carried out in India and the USA, in Brazil this study is pioneer
Delivery Model: How do you implement your innovation and apply it to the challenge/problem you are addressing?
The innovation is already implemented in two swine culture farms in the southern region of Santa Catarina, where there are treatment systems. Nevertheless, the development of researches is fundamental for the refining of technical data and for the elaboration of an installation and operation protocol of the technology
How do you plan to expand your innovation?
The initial idea in order to broaden the innovation is to establish model treatment units in the municipalities where the water contamination by swine sewage issue is emergent. These units serve as example for the innovation’s dissemination because they generate reliability and consolidate the technology
Do you have any existing partnerships, and if so, how do you create them?
Yes, the Federal University of Santa Catarina supports the project through academic work linked to the departments of Sanitary and Environmental Engineering and Aquiculture. Also CNPq, Petrobras, Fapesc offer financial support, through specific applications for projects related to water issues. We need Our work is overly technical; this is why we need partners who can help us in the social intervention methodologies. Since the agriculturists and the academics “speak different languages” making the dialogue and trustfulness difficult
Impact
Provide one sentence describing your impact/intended impact.
The bettering of water quality in receptor bodies (rivers and aquifers), socializing technologies for the treatment and valuing of sewage
What are the main barriers to creating or achieving your impact?
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How many people have you served or plan to serve?
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Directly
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Indirectly
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Please list any other measures of the impact of your innovation?
- Implementation of biodigesters
- Environmental education
- Proper application of sewage in the soil
Is there a policy intervention element to your innovation, if so please describe?
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Exactly who are the beneficiaries of your innovation?
All the population which uses superficial and subterranean water, not treated for domestic supply. Around 700.000 people in the State of Santa Catarina
This Entry is about (Issues)
Sustainability
How is your initiative financed (or how do you expect your initiative will be financed)?
Through institutions which foment research (CNPQ, Petrobras and Fapesc)
Provide information on your finances and organization:
2007, 2006, 2005: Not applicable (University); source of revenue: Project applications (CNPq, Petrobras and Fapesc); Rotative team (around 8 people)
What is the potential demand for your innovation?
Rotative team (around 8 people)
What are the main barriers to financial sustainability?
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The Story
What is the origin of this innovation? Tell us your story.
This innovation exists since 2002 with the elaboration of a master’s research which presented stimulating results. These triggered a series of experiments linked to UFSC (Federal University of Santa Catarina), which continue nowadays
Please provide a personal bio. Note this may be used in Changemakers marketing material
I’m a biologist. I am 30 years-old. I’ve been working for 8 years in researches about water treatment and food production through aquiculture. These works are linked to UFSC by means of dissertations and theses which are also developed by other research colleagues. I have also already created a company for environmental consulting and commercialization of clean technologies for civil construction
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