Nanotechnology in Greening the Industry Ajith de Alwis Sri Lanka Institute of Nanotechnology University of Moratuwa Today we are heading for another industrial revolution Nanotechnology Understand the Industry Pollution is Inefficiency PROCESS (Any Activity) Nanotechnology for Environment with nano iron Remediation of Groundwater Environmental Science & Technology Wei-xian Zhang, Lehigh Organic solvents (TCE, PCE) Pesticides (DDT, lindane) Fertilizers (nitrate) Heavy metals (Pb, Hg, Cr, As) Explosives (TNT, RDX) Radioactive materials (U) Perchlorate (ClO4-) TCE reduction with nano Iron •Oxidation of pollutant enhanced by coupling with (Fe/Pd)* on the nanoscale. Environmental Nanotechnology PUBLISHED BY THE AMERICAN CHEMICAL SOCIETY •Smaller size makes it more flexible -penetrates difficult to access areas. R m g T C E /m g F e/hr 1 mm 0.000186 1 µm 0.186 100 nm 1.86 (~0.16 lab) 1 nm 186 Layered Double Hydroxide / Anionic clay Disruptive – Breakthrough Innovations Show and Tell … Five Nano Material Platforms Ilmenite – Pulmoddai Nano TiO2 Clay – Murunkan Nano Clay (MMT) Magnetite – Mathale. Nano Magnetite 1 patent filed Murunkan Pulmoddai Kahatagaha Mathale Bogala Vein Quartz – Mathale, Ratnapura Nano Silica Vein Graphite – Bogala, Kahatagaha Nano Graphite 1 patent filed Ratnapura 11 SOLAR POWERED MODEL CATAMARAN SAIL BOAT Greening Fertilization (more from less and much less to pollute) (Nilwala et al., 2010) Hydrophobicity Effect Nanolubricants Imp engine life Saving emissions Improving fuel efficiency Source : www.nanotecproject.org (as at 30/08/2011) www.nanotecproject.org 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) Nanomaterials Nanoservices Nanointegrated Manufacturing Understand Scale UP Challenge! Ensure that national resource bases are protected and nurtured to enable Sri Lanka to benefit from new developments Engage with the mindset of ‘End-in-Mind’ Paradigm Shift needed …..