2024 Author: Howard Calhoun | [email protected]. Last modified: 2023-12-17 10:16
The last few decades, mankind has been producing household waste on a huge scale. In a modern city, approximately 300 kg of garbage per person accumulates annually, so recycling is one of the most pressing issues of today.
Removal and disposal of household waste is a very specific activity that requires the use of special technology. In the process of processing, it is necessary not only to monitor the implementation of numerous norms and rules, but also to use machinery and equipment. Very often, industrial waste contains substances harmful to humans - heavy metals, dioxides, fluorine compounds. All of them are very dangerous for human he alth. Harmful substances with rainwater enter the soil, sulfur dioxide and methane are released into the air in large quantities. Garbage in landfills poses a risk of spontaneous combustion. In addition, illegal dumps are breeding grounds for insects and rodents.
A modern approach to this problem is the disposal of household waste and the possibility of their further use. Spend time, energy and money on waste disposalwasteful. However, modern technologies allow not only to safely process waste, but also to benefit from it. Disposal of household waste requires a certain type of processing, as a result of which it will be possible to reuse it.
Waste paper, scrap metal and glass can be directly recycled. Construction waste that does not change its properties can be buried in the ground. Solid waste is mainly used to produce fuel. The fuel obtained after waste processing is equivalent in quality to brown coal and peat. Scientists believe that the energy obtained by converting waste into energy and fuel will be able to cover a third of the needs of the world's economies. Another use of solid waste is to grind it up and turn it into building materials. For example, crushed and compressed plastics are mixed with asph alt and petroleum resins and used to build roads. Shredded plastic is also used to produce films, roofing materials and toys.
Disposal of household waste that needs to undergo intermediate treatment - these are alkalis, acids, waste oils. Part of the sludge is dehydrated and dried. Some combustible products, such as used oils and plastics, are incinerated. At modern waste processing plants, the disposal of household and industrial waste has been established, special technologies allow sorting, crushing garbage and identifying fractions,hazardous to the environment and human he alth. On a global scale, uncontrolled accumulation of household and industrial waste threatens to change the balance of oxygen and carbon dioxide in nature, reducing the amount of clean drinking water. They entail soil pollution and degradation of water bodies, climate change. The most important task of the world economy is to ensure that the disposal of household waste has moved from a number of hazardous to a number of safe technologies.
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