There are four basic ways to clean or contain an oil spill, and workers determine the most appropriate method depending on the location of the spill, potential hazards, weather conditions, waves and currents.
1. Bhopal: the Union Carbide gas leak
2. Chernobyl: Russian nuclear power plant explosion
3. Seveso: Italian dioxin crisis
4. The 1952 London smog disaster
5. Major oil spills of the 20th and 21st century
6. The Love Canal chemical waste dump
7. The Baia Mare cyanide spill
8. The European BSE crisis
9. Spanish waste water spill
10. The Three Mile Island near nuclear disaster
Water purification generally means freeing water from any kind of impurity it contains, such as contaminants or micro organisms.
Water purification is not a very one-sided process; the purification process contains many steps. The steps that need to be progressed depend on the kind of impurities that are found in the water. This can differ very much for different types of water.
China is facing rapidly mounting volumes of waste. In the future, it intends to have digitally monitored intelligent waste collection sites bring about an increase in the currently low recycling rate. With facial recognition, RFID chips and real-time data processing.
Petroleum is a complex mixture of organic liquids called crude oil and natural gas, which occurs naturally in the ground and was formed millions of years ago. Crude oil varies from oilfield to oilfield in colour and composition, from a pale yellow low viscosity liquid to heavy black 'treacle' consistencies.
There is no need to filter your drinking water. Melbourne has some of the highest-quality drinking water in the world, and our water tastes great from the tap. Here are four reasons why, also known as elements of Melbourne's water supply system.
Every community should have a way of disposing of sewage so that people, animals and flies cannot touch it. This is called a sewage system.
There are different types of sewage systems which can be described as on-site systems and sewage or effluent systems.
Videos : Separation of Mixtures Techniques & Processes
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