Nanotechnology in Greening the Industry
Ajith de AlwisSri Lanka Institute of
NanotechnologyUniversity of Moratuwa
Today we are heading for another industrial revolution
Nanotechnology
This time are there too!
Understand the Industry
Pollution is Inefficiency
PROCESS
(Any Activity)
RawMaterials
Energy
TimeWaste
PRODUCTS
Environmental
EnvironmentalNanotechnology
PUBLISHED BYTHE AMERICAN
CHEMICAL SOCIETY
Science & Technology
Nanotechnology for Environment with nano ironW
ei-x
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Zhan
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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
-)
Layered Double Hydroxide / Anionic clay
94.8%
Disruptive – Breakthrough Innovations
Show and Tell …
Socks with Ag nanotech
11
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
NanotechnologyIn Green Energy
Activated Carbon
SupercapacitorsEnergy Storage
Fuel Cells
SOLAR POWERED MODEL CATAMARAN SAIL BOAT
Plants – Dyes – TiO2 – Solar Cells- Energy !
NanotechnologyIn Greening Agro systems
Greening Fertilization(more from less and much less to pollute)
(Nilwala et al., 2010)
NanotechnologyIn Green Productivity
HydrophobicityEffect
Nanolubricants
Imp engine lifeSaving emissions
Improving fuel efficiency
VARIETYOF MEANS
www.nanotecproject.org
Source : www.nanotecproject.org (as at 30/08/2011)
$250 b globally
1317 products 30 countries
Green Nanotechnology
Sustainable Nanotechnology
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
Nanomaterials
Nanoservices
Nanointegrated
Manufacturing
VALUE CHAIN
Understand Scale UP Challenge!
IncreasingComplexity
INVENTION
INNOVATION
R&D
I
Ensure that national resource bases are
protected and nurtured to enable Sri Lanka to benefit from new
developments
A PolicyImperative…
Engage with the mindset of
‘End-in-Mind’Paradigm Shift needed …..
An IndustryImperative…
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