Skip to main content

Posts

Showing posts from December, 2022

Environmental Management> Chapter- 3 > Waste Management> Six R-Concept: Rethink ,Refuse, Reduce, Recycle, Reuse & Reprocessing/Co-processing Waste

What is 6 R-Concept in Waste Management ?  According to the World Bank, the world generates 2.01 billion tonnes of municipal solid waste annually with at least 33% of it not managed in an environmentally safe manner. Worldwide, waste generated per person per day averages 0.74 kilograms but ranges widely from 0.11 to 4.54 kilograms. Globally, waste generation is expected to increase by 3.40 billion tonnes by 2050. The East Asia and Pacific region generates 23% of the world’s waste and the Middle East and North Africa region produces 6% . By 2050, total waste generation in fastest growing regions like Sub-Saharan Africa, South Asia, the Middle East and North Africa is expected to double. In these regions, currently more than half of the waste is openly dumped with significant effect on health and the environment. Proper waste collection and disposal play a vital role in the global cleanliness and environment sustainability as its ripple effects are observed on health and environment. Loo

Chemical & Process Safety Management > Chapter-3 > Safe Handling of chemicals > U.N Classification of Dangerous Goods

 U.N Classification of Dangerous Goods   IS 1446:2002 is the Indian standard  for CLASSIFICATION OF DANGEROUS GOODS 'Hazardous Goods' are the materials or items with Hazardous properties which ,if not properly controlled ,present a potential hazard to human health and safety , Infrastructure and/or their means of transport.  The U.N has classified the hazardous goods in following 9 Categories-   1. Explosives  2. Gases 3. Flammable Liquids  4. Flammable Solids  5. Oxidizing substances and organic  peroxides 6. Poisonous ( toxic ) and infectious substances  7. Radioactive Substances 8. Corrosives Substances  9. Miscellaneous dangerous substances and  articles  Class 1 -  Explosives   Explosives are the materials or substances which have the ability to rapidly conflagrate or denote as consequence of chemical reaction.  Division 1.1 :  Substances and articles which have amass  explosion hazard that is, one which affects  virtually the entire load practically  instantaneous.  Divis