Types of Bioremediation and Their Advantages and Disadvantages

[Audio] Types of Bioremediation and Their Advantages and Disadvantages MADE BY: KHAN ZAID.

[Audio] Bioremediation is a field of biotechnology that involves the removal of contaminants, pollutants, and toxins from soil, water, and other environments using living organisms such as microorganisms and bacteria. Oil spills and contaminated groundwater are cleaned up via bioremediation. Bioremediation is a method of treating contaminated media, such as water, soil, and subterranean material, by adjusting environmental conditions to encourage microorganism growth and degradation of the target pollutants..

40 30 20 10 0 Addition of Nutrients, 02 Injection Wells Soil Water Table Pollutants Flow direction Monitoring Wells Time (weeks or months) Transfer pump Extraction Wells.

[Audio] • Waste is evaluated, and certain bacteria are isolated depending on their ability to digest and transform waste. • Bacteria that are native to the area are to be employed! • The bacteria are then cultured and processed in preparation for performance testing. • The appropriate microorganisms are reintroduced into the waste environment. • They develop and thrive, digesting and converting waste into carbon dioxide and water in the process. • There must also be the proper temperature, nutrients, and food. • " Amendments" can help to improve conditions..

[Audio] Natural microorganisms such as bacteria, fungus, and yeast are used in bioremediation processes to breakdown harmful pollutants into non-toxic or less toxic substances. When compared to other remediation technologies, biologically-based remediation detoxifies hazardous substances rather than simply transferring contaminants from one environmental medium to another; bioremediation is generally less disruptive to the environment than excavation-based processes; and the cost of treating a hazardous waste site using bioremediation technologies can be significantly lower than that of treating a hazardous waste site using other remediation technologies. Other Advantages being: • Cost-effectiveness. • Site disruption is kept to a minimum. • Treatment of contaminated water and soil at the same time. • Minimal public and site personnel exposure. • Effective at completely destroying a wide range of pollutants. • Can usually be done on- site without causing too much disturbance to routine operations • Has the potential to be less expensive than existing hazardous waste remediation solutions..

[Audio] The fundamental drawback of bioremediation technology is that it can only deal with biodegradable substances. Researchers have also discovered that the new product created during biodegradation is sometimes more harmful to the environment than the original component. Finally, the procedure takes time, especially if bioremediation is involved, which necessitates excavation and pumping. Disadvantages: • It takes a long time. • Seasonal changes. • Additives are a complicated matter. • Biodegradable chemicals are the only ones allowed. • Not all chemicals are capable of complete and rapid breakdown. • Some people are concerned that biodegradation products will be more persistent or harmful than the parent molecule. • Biological processes are frequently very specialised. proper quantities of nutrients and pollutants, as well as optimal microbial populations and environmental growth conditions.