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

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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…