Diesel soot emissions adversely affect human health, environment, vegetation, climate change , etc. pressurizing governments to have strict emission standards. This project describes the catalytic control of diesel soot emissions. The performance of perovskite is found most promising over spinel, hydrotalcite, and metal oxides catalysts for soot oxidation. LaCoO3 prepared by co-precipitation shows the best result (oxidizing soot totally at 370 oC) than catalyst prepared by sol-gel and solution combustion synthesis. Potash substituted catalyst is more effective than silver substituted. The...

In modern society energy has become indispensable like food, water and air. However, most of the energy we use nowadays comes from fossil fuels, a non-renewable energy source. Furthermore, our dependence on fossil fuels as energy sources has caused serious environmental problems, i.e. air pollution and greenhouse gas emissions, and natural resource depletion. It is emphasized that the global environmental damage caused thermodynamically is more alarming to life on earth than the risk of exhausting the finite amount of fossil fuels being consumed at the present rate. The need for alternatives...

This work is about the preparation of catalysts for preferential oxidation of carbon monoxide in hydrogen rich gases and comparative study of there activity as well as selectivity and thermal stability so this work will be very useful for the persons working in same research area of hygrogen production and removal of carbon monoxide. the method followed in this book work for carbon monoxide removal is find the most appropriate among all like; methanation of CO, PSA , membrane separation methods etc..

Diesel engines are preferred system over the gasoline, due to their high fuel efficiency, low-operating cost, high durability and low CO2 emission. However, emissions of NOx and soot as well as CO and HCs from diesel engines are major concern due to severe health and environment effects. Further, Euro-6/Euro-VI standards for light duty/heavy duty vehicles are implemented in Sept. 2014 require additional reduction of 56%/80% in NOx and 10%/67% in soot emissions compared to Euro-5/Euro-V levels respectively. Four way catalysts (FWC) seem to be a possible single-component technology solution to...