The process of water filtration is carried out in mechanical plants known as filters. The filters are of various types, but basically, two main categories known as: 1. Rapid Sand Filters; and 2. Slow Sand Filters. Types # 1. Rapid Sand Filters: There are a few designs of rapid sand filters, but most of them are improvisation to suit the [...]
Here is an essay on ‘Radioactive Waste’ for class 9, 10, 11 and 12. Find paragraphs, long and short essays on ‘Radioactive Waste’ especially written for school and college students. Essay on Radioactive Waste Essay # 1. Introduction to Radioactive Waste: The substances, which emit the radiations, are known as radioactive. The phenomenon of spontaneous emissions of radiations from radioactive [...]
Humans have used radioactivity for one hundred years, and through its use, added to the natural inventories. A few human produced or enhanced nuclides are given in Table 13.2. The basic sources of radioactive wastes in environment are the nuclear fuel cycle, mining activities, medical and laboratory facilities, nuclear weapon testing, building materials and nuclear industry. Given below are the [...]