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International Centre for Science and High TechnologyUnited Nations Industrial Development Organization
High Technology and New Materials
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Graziano Bertogli 4 May 2011
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International Centre for Science and High TechnologyUnited Nations Industrial Development Organization
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Programme conceived within a holistic,systematic and integrated approach focused
on the utilization of renewable resources available locally, and taking into consideration
socio-economic and environmental dimensions and impact
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Sri Lanka
Selected Sub SaharanAfrican Country
Selected EasterAfrican Country
Selected Sub Saharan
African Country
East Africa Region
Paraguay
Mexico
Country
Under implementationSupport to set up Nanotechnology ParkBased on the Mexican Pilot Project on HighTechnology
Under formulationLamps of Knowledge for Africa(PV panels, battery, Leds)
Under formulationCashew nuts Integrated project : food,energy and industry
Under implementationProduction of biochar and electricityfrom agricultural wastes (up to 100 kw)
Under formulationGeothermal Energy
First phase concludedProduction of biodiesel from jatropha curcas seed
ConcludedPilot project on High Technology§ Innovation Centre§ Venture Capital fund
StatusTitle
Renewable EnergiesBiofuelsIndustrial utilization of medicinal & aromatic plants
Sustainable Industrial DevelopmentFood safety & processing
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ANACARDIUM OCCIDENTALE
The Cashew, Anacardium occidentale L., is a member of
the Anacardiaceae family, along with mango, pistachio,
poison ivy and poison oak. Cashew is native to north-
eastern Brazil, in the area between the Atlantic rain forest
and the Amazon rainforest.
Anacardium Occidentale is largely produced in India, Viet Nam, Africa, Brazil ...
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High Technology and New Materials
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Cardanol based products
PolyolBiofuel
CNSL (Cashew Nut Shell Liquid) is obtained as a by-product from cashewshell ’s treatment (mainly by squeezing or solvent extraction); it represents anuseful, cheap and renewable starting material. It can be used as such for lowvalue applications or subjected to further transformations.
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Production (MT) Viet Nam
India
Nigeria
Côte d'Ivoire
Brazil
Indonesia
Philippines
United Republic ofTanzania
Mozambique
Guinea-Bissau
Benin
Source FAO stat 2008
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Worldwide production of CNSL
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CNSL’s and cardanol’s current main usesField of interest Application
Coating sector Industrial and marine coatings
Paint (anti corrosive) and enamels, varnishes rubber industry to enhance thevulcanisate propertiesLacquers developed from CNSL could be used for insulation, protective ordecorative coatings for furniture, buildings, automobiles, etc.
In the coating arena, cashewnut shell oil is used as a key raw material in theproduction of curing agents for special epoxy hardeners and epoxy resins
Construction sector For cementing floors exposed to chemical attackLaminating industry For reducing brittleness and improving the flexibility of the laminates
Substitute As a substitute for linseed oil in the manufacture of foundry core oil, which isused as a binder in the foundry
Automobile Auto brake lining
Current applications are generally characterized by low added value
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Pipe reinforced with jute fibers
Pultruted composite rebars for concrete reinforcement
Helmet for U.S. firefighter
Bamboo fibers reinforced roof laminate Bathroom sink made of cardanol
based resins and quartz
Composite material reinforced withcarbon fibers and cardanol based resins
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A real sustainable development needs products with lighter Ecological Footprint.The lower Global warming potential (GWP), the lighter the EcologicalFootprint
Polyol GWP (kg CO 2)Petrol polyol 4,10Soy polyol - 1,40Polyol from Cashew nuts - 5,91
If we substitute 1 ton of petrol polyol with Polyol from Cashew nuts, we save 5,91 tonof CO 2, equivalent to:
q the emission of 1 person flying from Brazil to Italy and back
q the emission of 30.000 km driving by car
Global warming potential (GWP) is a relative measure of how much heat a greenhouse gas traps in the atmosphere. Itcompares the amount of heat trapped by a certain mass of the gas in question to the amount heat trapped by a similarmass of carbon dioxide . A GWP is calculated over a specific time interval, commonly 20, 100 or 500 years. GWP is
expressed as a factor of carbon dioxide (whose GMP is standardized to 1). For example, the 20 year GWP of Methane is56, which means if the same weights of Methane and carbon dioxide were introduced into the atmosphere, that Methanewill trap 56 times more heat than the carbon dioxide over the next 20 years.