Bioremediation- Objective, Principle, Categories, Types, Methods, Applications (2023)

FAQs

What is the objective of bioremediation? ›

The goal in bioremediation is to stimulate microorganisms with nutrients and other chemicals that will enable them to destroy the contaminants.

Bioremediation is a biotechnical process, which abates or cleans up contamination. It is a type of waste management technique which involves the use of organisms to remove or utilize the pollutants from a polluted area.

The basic principle of bioremediation is hydrolysis of higher molecule contaminants into small and soluble entities which may undergo in the aerobic on anaerobic pathways.

Bioremediation is a process that uses mainly microorganisms, plants, or microbial or plant enzymes to detoxify contaminants in the soil and other environments.

Bioremediation uses micro-organisms to reduce pollution through the biological degradation of pollutants into non-toxic substances. This can involve either aerobic or anaerobic micro-organisms that often use this breakdown as an energy source.

Bioremediation helps clean up water sources, create healthier soil, and improve air quality around the globe. But unlike excavation-based remediation processes, which can be disruptive, bioremediation is less intrusive and can facilitate remediation of environmental impacts without damaging delicate ecosystems.

Bioremediation is the use of. living microorganisms to degrade environmental pollutants or to prevent pollution. In other words, it is a technology for removing pollutants from the environment thus. restoring the original natural surroundings and preventing further pollution.

Some examples of bioremediation related technologies are phytoremediation, bioventing, bioattenuation, biosparging, composting (biopiles and windrows), and landfarming. Other remediation techniques include thermal desorption, vitrification, air stripping, bioleaching, rhizofiltration, and soil washing.

Modern bioremediation was developed by petroleum engineer, George M. Robinson in the 1960s. He performed experiments with microbes placed in glass jars that contained pollutants. He tried adding different types of bacteria to the jars and realized that certain types worked to break the pollutant down.

What are the types of biodegradation? ›

There are four biodegradation environments for polymers and plastic products: soil, aquatic, landfill and compost. Each environment contains different microorganisms and has different conditions for degradation. In soil, fungi are mostly responsible for the degradation of organic matter including polymers.

The three major types of pollution are air pollution, water pollution, and land pollution.

Bioremediation is the a biological degrading processes for the treatment of contaminated soils, groundwater and/or sediments, relying on microorganisms including bacteria and/or fungi to use the contaminant(s) as a food source with resulting degradation of the contaminant.

In Situ Bioremediation (ISB) is the biological treatment of contaminants in the subsurface, typically in groundwater. ISB melds an understanding of microbiology, chemistry, hydrogeology, and engineering into a cohesive strategy for planned and controlled microbial degradation of specific classes of organic.

Bioremediation process is also greatly affected by the characteristics of the contaminated site. Parameters such as soil texture, permeability, pH, water holding capacity, soil temperature, nutrient, and oxygen content affect bioremediation process.

Although, bioremediation can be effective, due to its slow recovery time, it is not always considered. Bioremediation is not only economical, but it is an effective technique for sensitive shorelines, due to being nonaggressive to the shoreline habitat (Boufadel et al., 2011, 2016).

Some of the most common types of bioremediation are microbial bioremediation, phytoremediation, and mycoremediation.

Biodegradation is defined as the biologically catalyzed reduction in complexity of chemical compounds [1]. Indeed, biodegradation is the process by which organic substances are broken down into smaller compounds by living microbial organisms [2]. When biodegradation is complete, the process is called "mineralization".

In simple terms, bioremediation is a system of sewage treatment where microbes are used to degrade flowing sewage into carbon dioxide and water. The process also reduces the stench from raw sewage.

Bioremediation synonyms

In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for bioremediation, like: biodegradation, bioprocesses, phytoremediation, remediation, bio-remediation, electrokinetic and stabilisation-solidification.

What is bioremediation of soil? ›

Bioremediation is defined as use of biological processes to degrade, break down, transform, and/or essentially remove contaminants or impairments of quality from soil and water.

Is bioremediation safe? Bioremediation is very safe because it uses the same microbes that already naturally occur in soil or water. This process simply adds more of these organisms to those already present. No dangerous chemicals are used in the process and harmful contaminants are completely destroyed.

There are several advantages of using bioremediation processes compared with other remediation technologies: (1) biologically-based remediation detoxifies hazardous substances instead of merely transferring contaminants from one environmental medium to another; (2) bioremediation is generally less disruptive to the ...

Bioremediation is the use of living microorganisms to degrade environmental pollutants or to prevent pollution. In other words, it is a technology for removing pollutants from the environment thus restoring the original natural surroundings and preventing further pollution (Sasikumar and Papinazath 2003).

Microorganisms are useful in producing foods, treating waste water, creating biofuels and a wide range of chemicals and enzymes. They are invaluable in research as model organisms. They have been weaponised and sometimes used in warfare and bioterrorism.

Ex situ remediation techniques involve removing the soil from the subsurface to treat it. In situ remediation techniques involve leaving the soil in its original place and bringing the biological mechanisms to the soil.

Particular agents used for bioremediation are bacteria, fungi, and algae. Bacterially-mediated processes have been used to alleviate heavy metal toxicity. Endophytic bacteria have greater potential to tolerate and remediate heavy metals stress.

Advantages and Disadvantage of Bioremediation

Bioremediation is an eco-friendly and sustainable approach that can destroy a pollutant or convert harmful contaminants into harmless substances. The main disadvantage of bioremediation technology is that it is restricted to biodegradable compounds.

Bioremediation is a process where microorganisms are used to break down pollutants, effectively cleaning up the contaminated site. These microbes can be specifically designed to remove pollutants without affecting other aspects of a water system like its drinkability or local wildlife.

Unlike physical and chemical methods of cleanup, bioremediation does not disrupt the site's natural habitat. Furthermore, since natural organisms degrade contaminants into simple compounds that pose little or no threat to the environment, polluted soil and groundwater can be treated on site, or in situ.

What is biostimulation simple? ›

Biostimulation refers to the addition of rate limiting nutrients like phosphorus, nitrogen, oxygen, electron donors to severely polluted sites to stimulate the existing bacteria to degrade the hazardous and toxic contaminants.

Biofiltration systems are commonly used for eliminating contaminants found in the soil or groundwater. Some examples of biofilters include treatment ponds, slow sand filters, and bioswales.

BIOREMEDIATION IS A TRIPLE-CORNERS PROCESS

Anaerobic or aerobic metabolism involve oxidation and reduction reactions or Redox reactions for detoxification. Oxygen could be reduced to water and oxidize organic compounds. Anaerobic reaction can use nitrate. In return, biomass is gained for bacterial or fungal growth.

Primary biodegradation means the structural change (transformation) of a surfactant by micro- organisms resulting in the loss of its surface-active properties due to the degradation of the parent substance and consequential loss of the surface-active property as measured by test methods listed in Annex II of the ...

Biodegradation is the process by which organic substances are decomposed by micro-organisms (mainly aerobic bacteria) into simpler substances such as carbon dioxide, water and ammonia. Source Publication: Glossary of Environment Statistics, Studies in Methods, Series F, No.

Vehicle emissions, fuel oils and natural gas to heat homes, by-products of manufacturing and power generation, particularly coal-fueled power plants, and fumes from chemical production are the primary sources of human-made air pollution.

Major forms of pollution include air pollution, light pollution, litter, noise pollution, plastic pollution, soil contamination, radioactive contamination, thermal pollution, visual pollution, and water pollution.

Solid-phase bioremediation is a process that treats soils in above-ground treatment areas equipped with collection systems to prevent any contaminant from escaping the treatment. Moisture, heat, nutrients, or oxygen are controlled to enhance biodegradation for the application of this treatment.

Transgenic plants can also mobilize or degrade chlorinated solvent, xenobiotic compounds, explosives and phenolic substances. A symbiotic relationship between genetic engineered microbes and transgenic plants can enhance the effectiveness of bioremediation of contaminated sites.

Is bioremediation and biodegradation same? ›

The main difference between biodegradation and bioremediation is that biodegradation is the breakdown of organic matter by microorganisms such as bacteria and fungi, whereas bioremediation is the use of microorganisms to breakdown environmental pollutants.

Bioremediation helps clean up water sources, create healthier soil, and improve air quality around the globe. But unlike excavation-based remediation processes, which can be disruptive, bioremediation is less intrusive and can facilitate remediation of environmental impacts without damaging delicate ecosystems.

What is the goal of bioremediation? Clean up areas polluted with toxic compounds by using bacteria.

Bioremediation can help to reduce and remove the pollution we produce, to provide clean water, air and healthy soils for future generations.

With the exception of aromatic compounds, all hydrocarbons in crude oil can be degraded by bacteria. This makes bioremediation a very important method for cleaning up oil spills. In time, naturally occurring bacteria will completely break down a spill.

Modern bioremediation was developed by petroleum engineer, George M. Robinson in the 1960s. He performed experiments with microbes placed in glass jars that contained pollutants. He tried adding different types of bacteria to the jars and realized that certain types worked to break the pollutant down.

Bioremediation synonyms

In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for bioremediation, like: biodegradation, bioprocesses, phytoremediation, remediation, bio-remediation, electrokinetic and stabilisation-solidification.

Bioremediation is a process where microorganisms are used to break down pollutants, effectively cleaning up the contaminated site. These microbes can be specifically designed to remove pollutants without affecting other aspects of a water system like its drinkability or local wildlife.

Bacteria reproduce through a process called binary fission. During binary fission, the chromosome copies itself, forming two genetically identical copies. Then, the cell enlarges and divides into two new daughter cells.

What types of bacteria cause diseases? ›

Bioremediation is defined as use of biological processes to degrade, break down, transform, and/or essentially remove contaminants or impairments of quality from soil and water.

Bioremediation process is also greatly affected by the characteristics of the contaminated site. Parameters such as soil texture, permeability, pH, water holding capacity, soil temperature, nutrient, and oxygen content affect bioremediation process.

Is bioremediation safe? Bioremediation is very safe because it uses the same microbes that already naturally occur in soil or water. This process simply adds more of these organisms to those already present. No dangerous chemicals are used in the process and harmful contaminants are completely destroyed.

Bioremediation is when we get organisms to use their natural processes to metabolize environmental pollutants. It's a great option for assisting us in cleaning up our environmental messes. If we can support the metabolism of the biological organisms metabolizing the contaminants then we are good to go.

Bioremediation is limited to biodegradable compounds. This method is prone to rapid and complete degradation. Products of biodegradation may be more lasting or toxic than the parent compound.