Nanotechnology in Greening the Industry
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Nanotechnology in Greening the Industry
Ajith de AlwisSri Lanka Institute of
NanotechnologyUniversity of Moratuwa
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Today we are heading for another industrial revolution
Nanotechnology
This time are there too!
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Understand the Industry
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Pollution is Inefficiency
PROCESS
(Any Activity)
RawMaterials
Energy
TimeWaste
PRODUCTS
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Environmental
EnvironmentalNanotechnology
PUBLISHED BYTHE AMERICAN
CHEMICAL SOCIETY
Science & Technology
Nanotechnology for Environment with nano ironW
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TCE reduction with nano Iron•Oxidation of pollutant enhanced by coupling with (Fe/Pd)* on the nanoscale. •Smaller size makes it more flexible -- penetrates difficult to access areas.
Remediation of Groundwater
R mg TCE/mg Fe/hr 1 mm 0.000186 1 µm 0.186
100 nm 1.86 (~0.16 lab) 1 nm 186
Organic solvents (TCE, PCE)Pesticides (DDT, lindane)Fertilizers (nitrate)Heavy metals (Pb, Hg, Cr, As)Explosives (TNT, RDX)Radioactive materials (U)Perchlorate (ClO4
-)
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Layered Double Hydroxide / Anionic clay
94.8%
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Disruptive – Breakthrough Innovations
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Show and Tell …
Socks with Ag nanotech
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Five Nano Material Platforms Ilmenite – Pulmoddai
Nano TiO2
Clay – Murunkan
Nano Clay (MMT) Magnetite – Mathale.
Nano Magnetite 1 patent filed
Vein Quartz – Mathale, Ratnapura
Nano Silica Vein Graphite – Bogala, Kahatagaha
Nano Graphite 1 patent filed
PulmoddaiMurunkan
Mathale
Ratnapura
Bogala
Kahatagaha
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NanotechnologyIn Green Energy
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Activated Carbon
SupercapacitorsEnergy Storage
Fuel Cells
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SOLAR POWERED MODEL CATAMARAN SAIL BOAT
Plants – Dyes – TiO2 – Solar Cells- Energy !
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NanotechnologyIn Greening Agro systems
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Greening Fertilization(more from less and much less to pollute)
(Nilwala et al., 2010)
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NanotechnologyIn Green Productivity
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HydrophobicityEffect
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Nanolubricants
Imp engine lifeSaving emissions
Improving fuel efficiency
VARIETYOF MEANS
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www.nanotecproject.org
Source : www.nanotecproject.org (as at 30/08/2011)
$250 b globally
1317 products 30 countries
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Green Nanotechnology
Sustainable Nanotechnology
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Two Main Intentions of GNT
• Creating products without harm to environment and human health
• Creating products to solve environmental issues (in the broadest possible manner)
WITHINGREEN CHEMISTRY &
GREEN ENGINEERING PRINCIPLES
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Nanomaterials
Nanoservices
Nanointegrated
Manufacturing
VALUE CHAIN
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Understand Scale UP Challenge!
IncreasingComplexity
INVENTION
INNOVATION
R&D
I
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Ensure that national resource bases are
protected and nurtured to enable Sri Lanka to benefit from new
developments
A PolicyImperative…
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Engage with the mindset of
‘End-in-Mind’Paradigm Shift needed …..
An IndustryImperative…