What are hazardous wastes explain with examples?

What are hazardous wastes explain with examples?

Hazardous wastes are those that may contain toxic substances generated from industrial, hospital, some types of household wastes. These wastes could be corrosive, inflammable, explosive, or react when exposed to other materials.

What is hazardous waste and its characteristics?

Hazardous-waste characteristics Hazardous wastes are classified on the basis of their biological, chemical, and physical properties. These properties generate materials that are either toxic, reactive, ignitable, corrosive, infectious, or radioactive. Toxic wastes are poisons, even in very small or trace amounts.

Why is hazardous waste dangerous?

Toxic waste can harm people, animals, and plants, whether it ends up in the ground, in streams, or even in the air. Some toxins, such as mercury and lead, persist in the environment for many years and accumulate over time. Humans or wildlife often absorb these toxic substances when they eat fish or other prey.

What are the effects of hazardous waste?

Some hazardous substances can cause far more severe health effects, including:

• behavioral abnormalities,
• cancer,
• genetic mutations,
• physiological malfunctions (e.g., reproductive impairment, kidney failure, etc.),
• physical deformations, and.
• birth defects.

How can we remove hazardous waste?

Hazardous waste can be treated by chemical, thermal, biological, and physical methods. Chemical methods include ion exchange, precipitation, oxidation and reduction, and neutralization. Among thermal methods is high-temperature incineration, which not only can detoxify certain organic wastes but also can destroy them.

What is meant by the impact of a hazard?

Definition. The human impact of hazards is the product of the interaction between hazard characteristics and the personal, community and societal factors implemented to influence people’s capacity to cope, adapt, and recover from hazard effects.

How do disasters affect people’s lives?

In a disaster, you face the danger of death or physical injury. You may also lose your home, possessions, and community. Such stressors place you at risk for emotional and physical health problems. Stress reactions after a disaster look very much like the common reactions seen after any type of trauma.

What are the positive effects of natural disasters?

Instead of being used to construct buildings, it would buy food, shelter, clothing and other goods. With the disaster, society has a new building, but without it they have a building and food, shelter, clothing or whatever else this money could be spent on. A country is much richer without the disaster.

What are the nature and effects of disaster?

Environmental Problems Natural disasters, from tsunamis to wildfires, can cause wide-ranging and long-term consequences for ecosystems: releasing pollution and waste, or simply demolishing habitats.

What are two economic impacts of natural disasters?

The economic damage caused by disasters varies. Capital assets and infrastructure such as housing, schools, factories and equipment, roads, dams and bridges are lost. Human capital is depleted due to the loss of life, the loss of skilled workers and the destruction of education infrastructure that disrupts schooling.

What are the economic impacts of a tsunami?

Immediately following a tsunami disaster, many businesses will be unable to trade because of destruction to premises, stock, machinery, facilities, transport networks, supplies and loss of staff. All sectors of the business community are likely to be affected, though to various degrees of severity (see Table 2).

What are the impacts of tsunamis?

Environmental impacts A tsunami changes the landscape. It uproots trees and plants and destroys animal habitats such as nesting sites for birds. Land animals are killed by drowning and sea animals are killed by pollution if dangerous chemicals are washed away into the sea, thus poisoning the marine life.

What impacts do tsunamis have on humans?

Tsunamis can have a devastating effect on human lives. They can destroy homes, change landscapes, hurt economies, spread disease and kill people.