Explain Why Heavy Metals Are Not Removed From The Environment

* Plants can remove metals from low grade ores. The metal can be recovered by processing the ash from burning the plants.

Copper is another pollutant that at very high levels is toxic and can cause vomiting, diarrhea, loss of strength or, for serious exposure, cirrhosis of the liver (Pure Water Services). In order for copper to metabolized the heavy metal zinc is needed. Zinc helps with copper breakdown but too much zinc can cause a copper deficiency which can also cause problems such as anemia. While copper has some severe side effects there have not been any cases that are related to cancer. In most cases throughout the Silver Bow Creek copper is not thought to be a severe threat to the community.

Most people are surprised to learn that their bodies are contaminated with heavy metals. This is a little-known problem that has grown into a widespread issue. There are many different ways your body becomes contaminated with heavy metals, such as through the type of cookware you use, the tap water you drink and the fillings you have in your teeth. Fortunately, there are natural ways to cleanse your body of these harmful toxins, such as with chlorella. This is an algae found in nature and is oftentimes used in integrative medicine by naturopathic doctors in Arizona.

Often, toxic substances are being drained into the air, waterways, and undergrounds wells. According to the report by Environmental Protection Agency (EPA), over 60 million pounds of deadly chemicals are produced by industries in Florida. Notably, Florida’s water has been suffering mercury contamination until the state’s department of migration issues a circular regularly for regulations of eating freshwater fish in the region (Florida Fish and Wildlife Conservation Commission). In fact, such metals emanate from coal combustion’s emissions which run into water bodies. Not to mention, pesticides and herbicides utilized by government and homeowners pollute the environment (Florida Fish and Wildlife Conservation Commission). Indeed, all chemicals released into the atmosphere find themselves in rivers.

     Heavy metals, such as copper, lead, mercury, and selenium are another group of toxins that pollute the water as well as the rest of the environment. The source of many of these pollutants are industries, automobile exhaust, mines, and even natural soil.

abundantly in the air and in humans, they need this element to survive. They also release carbon

Contamination of surface water is mainly due to discharge of untreated industrial and agricultural effluents that ultimately find their way into the verity water bodies. And this raises a very high probability of heavy metal contamination in surface water that affects all living organisms by entering the food chain. This is particularly problematic

Physico-chemical methods such as chemical precipitation, chemical oxidation or reduction, filtration, ion exchange, electrochemical treatment, reverse osmosis, membrane technology and evaporation recovery have been widely used to remove heavy metal ions. These technologies usually produce wastes with high concentrations of metals which are a significant source of environmental pollution. Furthermore, the above methods may be ineffective or expensive, especially when the heavy metal concentrations

With the fast advancement of enterprises, water asset shortage, populace development, contamination of surface and groundwater by releasing poisonous wastewater and ensuing maladies may raise the need of reusing and treatment of wastewater. The expelling of poisonous overwhelming metal particles from sewage, particularly in modern and mining waste effluents, has been generally examined as of late. Substantial metals wastewaters are specifically or in a roundabout way released into the earth progressively, particularly in creating nations. Dissimilar to natural contaminants, substantial metals are not biodegradable and have a tendency to aggregate in living life forms and numerous overwhelming metal particles are known to be poisonous or

Different industries such as steel manufacturing, fertilizer and pesticide industry, leather tanning, electroplating, metallurgy, mining and smelting of metalliferous, surface finishing industry, energy and fuel production industries, electrolysis, electro-osmosis, photography, electric appliance manufacturing, metal surface treating industries are mainly responsible for releasing heavy metals into the environment , effluents of these industries are mainly loaded with heavy metals ions.

The environment is always facing sudden changes due to natural forces like the eruption of volcanic and earthquakes. However human activities have in the recent times being blamed as the major contributor to the majority of the environmental problems that there are today. Among the numerous environmental issues is pollution. Human activities have been solely responsible for soil, water, and air pollution that has made the entire environment polluted thus becoming a health hazard to all animals, plants, and people living in it. This is because all living things whether plants or animals depends on water, soils and air for survival.

Environmental pollutants are becoming increasingly present throughout the world as industrial progress has expanded in countries like China. Among these environmental pollutants, Cadmium has been characterized as the most dangerous heavy metal ion because of its resiliency and numerous negative health effects (Kermani et. Al., 2010). Growing dependence on chemical fertilizer, wastewater irrigation, and uncontrolled discharge of industrial waste from activities, such as mining and smelting, has led to large amounts of Cadmium in soil (Nazar et. Al., 2012).

Chemical Hazards Chemicals are both naturally occurring and man-made. From the environment, exposure to chemical agents in our air, water, food and soil, have shown to be hazardous to human health causing cancer and lung disease, metabolic issues, brain damage, and even birth defects. Essentially, these chemicals act as toxins and poisoning, also playing a role in infectious diseases and causing the body's immune system to break down. The World Health Organization, for instance, believes that billions of people are exposed to chemical hazards on a regular basis (solvents, acids, pesticides, etc.), but at different levels and differing levels of toxicity and over differing periods of time. The exposure rate, especially from heavy metals and agricultural waste and products, seem to be the most serious over time, but even such products as led and arsenic can cause cancers that are serious and attributable to environmental standards (World Research Institute, 2000).

Ground water is present below the surface in porous rocks and is susceptible to contamination by natural and especially human related activities. Large amounts of chemicals like soap and detergents, fertilizers and pesticides, pharmaceutical by-products are discharged in to fresh water aquifers every day. These contaminants leach in to the soil and dissolve in ground water. Different contaminants have different rates of solubility and degradation once they reach the underground water table either by simple flow or by the downward movement of rain water. The ground water may become contaminated with both organic and inorganic substances especially heavy metals like Cadmium, Chromium and Nickel, etc. (Christensen et al, 2001). Pharmaceutical wastes can cause cancer in human cells. (Krifa et al. 2013). Many pharmaceutically active chemicals reach

Heavy metals such as arsenic (metalloid), mercury, lead, and cadmium have a rich history throughout the world. From Ancient Rome to the Vietnamese War, heavy metals have been used in many different ways, sometimes leading people to death or illness. This research essay will go through the history of the above-mentioned metals, how they were used, and how they can affect people.