What bacteria can degrade crude oil?

What bacteria can degrade crude oil?

Recent studies have identified bacteria from more than 79 genera that are capable of degrading petroleum hydrocarbons (Tremblay et al., 2017); several of these bacteria such as Achromobacter, Acinetobacter, Alkanindiges, Alteromonas, Arthrobacter, Burkholderia, Dietzia, Enterobacter, Kocuria, Marinobacter.

Which bacteria is used in biodegradation?

Bacteria with the ability to degrade hydrocarbons are named hydrocarbon-degrading bacteria. Biodegradation of hydrocarbons can occur under aerobic and anaerobic conditions, it is the case for the nitrate reducing bacterial strains Pseudomonas sp. and Brevibacillus sp.

Which bacteria is used in bioremediation of oil spills?

Many genera of plant, microbes, and fungi have demonstrated oil remediating properties including Spartina, Haloscarcia, Rhizophora, Nocardioides, Dietzia, and Microbacterium.

How do bacteria break down oil?

Just like your automobile, these marine-dwelling bacteria and fungi use the hydrocarbons as fuel—and emit the greenhouse gas carbon dioxide (CO2) as a result. In essence, the microbes break down the ring structures of the hydrocarbons in seaborne oil using enzymes and oxygen in the seawater.

Which bacteria can decompose the oceanic oil spills?

A species called Pseudomonas putida is widely used in oil spill decontamination or bioremediation. It is known to break down many aromatic compounds like hydrocarbons.

What is oil degradation?

Oil degradation is a general term used to describe the destructive mechanisms that cause physical and chemical changes to compressor fluids while in service. Oil degradation results in a deterioration in fluid performance and a dramatic reduction in fluid service life.

What are the 2 types of biodegradation?

The process of biodegradation can be divided into three stages: biodeterioration, biofragmentation, and assimilation. Biodeterioration is sometimes described as a surface-level degradation that modifies the mechanical, physical and chemical properties of the material.

What effect does bacteria have on oil?

Oil spills have the potential to cause huge environmental damage. Naturally occurring hydrocarbon-degrading bacteria play an important role in breaking down oil in the event of a spill. Since the mid-1990s a number of these bacteria have been isolated, such as Alcanivorax and Marinobacter.

Can bacteria break down oil?

Are bacteria involved in the degradation of crude oil?

Indeed, since a single species can metabolize only a limited range of hydrocarbon substrates, a consortium of many different bacterial species, with broad enzymatic capacities, is usually involved in oil degradation (Rooling et al., 2002).

How long does it take for mixed flora to degrade oil?

The mixed flora of the five strains performed well with degrading 75.1% crude oil (1%, w/v) in 7 days. The calcium alginate—activated carbon embedding carrier was used to immobilize bacterial consortium.

Do PAHs or normal alkanes have better biodegradation performance?

Bacterial consortium showed better performance on biodegradation of normal alkanes than that of PAHs. Improvement of immobilization on the biodegradation efficiency of normal alkanes (31.9%) was apparently high than that of PAHs (1.9%).

How do you remove oil from the environment?

At an early stage light fractions of oil are naturally removed; mostly by evaporation, thence by photo-oxidation and by geo-chemicals reactions. Heavy fractions are instead dispersed or dissolved and only a small portion may be removed by the process of biodegradation.