Lecture 12 bioremediation bioremediation bioremediation is the use of microorganisms to, thus indicating that the biodegradation of alkanolamines and the formation of thermaloxidative products were complete final analysis showed that, estimate that this cost could be reduced further in largescale. Many books are specialized in specific applications of bioremediation such as bioremediation of mtbe 48, perchlorate 49. Bioremediation is the process of using naturally occurring plants and microbes to digest and convert waste material into harmless substances. Bioremediation for marine oil spills princeton university. This course will provide attendees with an understanding of basic microbiology principles, sampling techniques and analysis to better assess site microbiology, and approaches to.
Bioremediation products list of high impact articles ppts. Leeuwenhoek reported discoveries to royal society from 1670s on, firmly established existence of microbes. Bioremediation is a process used to treat contaminated media, including water, soil and subsurface material, by altering environmental conditions to stimulate growth of microorganisms and degrade the target pollutants. Some nutrients come from the contaminating compounds being broken down, but additional nutrients are often required for healthy bacterial growth. Bioremediation is an option that offers the possibility to destroy or render harmless various contaminants using natural biological activity.
Microsoft powerpoint biotech and bioremediation 3 author. Essentials of oceanography eleventh edition alan p. Biodegradation basically involves the conversion of complex organic molecules to simpler and. Bioremediation, contaminants, monitoring and saturation received 16 march 2011. Assessment of bioremediation as a cleanup strategy at srs. Bioremediation can either be carried out ex situ or in situ, depending on several factors, which include but not limited to cost, site characteristics, type and concentration of pollutants. This technology did not live up to its initial promise. Bioremediation is defined as the process whereby organic wastes are biologically degraded under controlled conditions to an innocuous state, or to levels below concentration limits established by regulatory authorities. Bioremediation is a natural, safe, and cost effective technology. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Scribd is the worlds largest social reading and publishing site. The bioenergy part of the course covers bioethanol, biomethanol, and biodiesel as alternative fuels. Fundamental principles of bioremediation mississippi. Leeuwenhoek described many previously unseen life forms, including different forms of bacteria, mold spores, etc.
Bioremediation free download as powerpoint presentation. Nitrogen fixation three ways to fix nitrogen process 2. Bioremediation may take advantage of natural processes ability of some microbes to metabolize petroleum under aerobic conditions may involve bioaugmentation organisms selected for growth on specific. Principles of microbial ecology major ecosystems include oceans, rivers, lakes, deserts, marshes, grasslands, forests and tundra each ecosystem contains certain organisms and characteristic physical conditions region of earth inhabited by living organisms termed biosphere ecosystems vary within biosphere in biodiversity and biomass biodiversity number of. The evidence for and against this theory lecture 6. The degradation of noxious waste from the environment using microorganisms is called as bioremediation. Pdf bioremediation techniquesclassification based on site. Chapter 1 clickers chapter 11 lecture essentials of. Bioremediation bioremediation refers to the process of using microorganisms to remove the environmental pollutants or prevent pollution. All are specifically designed, licensed and operated to provide waste generators and remediation companies with a. Bioremediation is the use of living organisms for the recovery or cleaning up of a contaminated medium such as soil, sediment, air, or water. Alaskan bioremediation project started on may of 1989 on knight island this project was designed to determine the feasibility of biodegradation enhancement by adding fertilizers nutrient applications began on june 8, 1989 at snug harbor, located on the southeastern side of the island selected as the first test site because it had a long length.
Kennedy molecular phylogeny of microbes september 26 c. Biodegradation or biological degradation is the phenomenon of biological transformation of organic compounds by living organisms, particularly the microorganisms. These tests may be performed during the feasibility study or remedial design, are used to evaluate whether the proposed bioremediation remedy will be successful,and obtain important design criteria. It can be aerobic with oxygen more common or anaerobic without oxygen. The design process commonly includes bench and pilotscale treatability studies. The pseudomonads in biological control september 5 r. Ppt bioremediation powerpoint presentation free to view. Lecture 12 bioremediation bioremediation bioremediation is the use of microorganisms to, thus indicating that the biodegradation of alkanolamines and the formation of thermaloxidative products were complete final analysis showed that, estimate that this cost could be reduced further in largescale applications and if containment liners. Bioremediation products list of high impact articles.
Lecture powerpoint presentations will be posted on tsquare either before or after lecture at instructor discretion, but always before the respective exam. Read this article to learn about the biodegradation and bioremediation in details with diagrams. View and download powerpoint presentations on bioremediation ppt. Introduction to in situ bioremediation of groundwater es3. Bioremediation a treatment process that uses microorganisms yeast, fungi, or. Microorganisms like bacteria, fungi, algae etc take part in bioremediation. Figure 22 illustrates the differences between the two. Lecture on remediation free download as powerpoint presentation. Government printing office, washington, dc 204029325 order form can be found in the back of this report. Introduction of a group of natural microbial strains or a genetically engineered variant to the reaction chamber. Rensing metal processing in prokaryotes reading 1 september 19 c. Introduction to in situ bioremediation of groundwater.
Engineering and bioremediation advantagesdisadvantages of phytoremediation methods to improve phytoremediation future directions. Bioremediation is cheaper than the chemical and physical options, and can deal with lower concentrations of contaminants more effectively, although the process may take longer. Ppt bioremediation powerpoint presentation free to. Microsoft powerpoint phytoremediationjc2012lecture1. Bioremediation products for oil spill cleaning, bio tech, inc.
Select a strategy of bioremediation identify the problem develop a solution microbes and plants detoxify waste problem solved life cycle of a pollution problem. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Bioremediation is conducted in specially licensed facilities situated at waste management landfills throughout north america. Additional material may be covered in lectures, and you may be tested over it. Microbes are very small organisms, such as bacteria, that live naturally in the environment. Jul 06, 2015 bioremediation petroleum hydrocarbons phytoremediation fungi biofilms bioleaching 10. Bioremediation can occur on its own natural attenuation or intrinsic bioremediation or can be spurred on via the addition of fertilizers to increase the. Bioremediation comes from two words bios means life and remediate means to decipher an issue. Bioremediation requires apt levels of water, oxygen, heat and nutrients for healthy bacterial microorganisms growth. Bioremediation experts representing academic research, field practice, regulation, and industry provide accessible information and case examples.
This course will not be offered in autumn 2019 due to my sabbatical leave. Biodegradation basically involves the conversion of complex organic molecules to simpler and mostly nontoxic ones. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Bioremediation refers to the process of using microorganisms to remove the environmental pollutants i.
Remediate means to solve a problem and bioremediate means to use biological organisms to solve an environmental problem such as contaminated soil or groundwater. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that. One lecture will focus on genetic engineering of plants, followed by lectures describing how this method can lead to increased degradation of pollutants. Bioremediation may take advantage of natural processes ability of some microbes to metabolize petroleum under aerobic conditions may involve bioaugmentation organisms selected for growth on specific nutrients genetically engineered organisms. Bioremediation use of bacteria and fungi to help clean oil spills releasing bacteria directly into marine environment. Pdf bioremediation techniquesclassification based on. Introduction bioremediation is the use of microorganism metabolism to remove pollutants. Bioremediation o conducted under controlled conditions, biositesm bioremediation uses a combination of chemicals and microorganisms to naturally break down hazardous materials into nonhazardous substances that can be recycled or buried in conventional landfills. The strategies for bioremediation in both soil and water can be as follows. Intrinsic bioremediation manages the innate capabilities of naturally occurring microbial communities to degrade environmental pollutants without taking any engineering steps to enhance the process. Principles of microbial ecology major ecosystems include oceans, rivers, lakes, deserts, marshes, grasslands, forests and tundra each ecosystem contains certain organisms and characteristic physical conditions region of earth inhabited by living organisms termed biosphere ecosystems vary within biosphere in biodiversity and biomass biodiversity number of species present and evenness. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from.
Och ch2 ch2 ch2 ch2 ch2 ch2 ch3 cch2ch ch2 ch2 ch2 ch2 ch2 ch2 ch3 o o o ho oh or ch3 o rhamnolipid monomer micelle formation at cmc concentrations cmc 0. Increased industrial and agricultural activity this century has led to vast quantities of the earths soil and groundwater resources becoming contaminated with hazardous chemicals. When compared to standard practices, effluent volumes generated by bioremediation are substantially smaller reducing the problem of sludge disposal. In many cases, bioremediation is less expensive and more sustainable than other remediation alternatives. The state of the art of bioremediation technology as well as examples of more or less successful case studies are published in many books during the last 20 years 14, 16, 19, 25, 26, 29, 31, 35, 37, 3941, 4345, 47. Denitrification powerpoint presentation powerpoint presentation human impact commercial fertilizers cfa. Background readings and lecture powerpoint pdfs will be available on the course canvas site. Hindu college, nagercoil, tamil nadu, india key words.
History of bioremediation 1972 first commercial application. Dubey ppt bioremediation methods and its application, misr university. Bioremediation a treatment process that uses microorganisms yeast, fungi, or bacteria to break down, or degrade, hazardous substances into less toxic or nontoxic substances carbon dioxide and. Bioremediation techniques are more economical than traditional methods and pollutants can be treated on site, thus reducing exposure risks for personnel. The other names used for bioremediation are biotreatment, bioreclamation and biorestoration. It is a cost effective and natural process, commonly used to treat organics, fuels or solvents. The article focuses on the key concepts associated with bioremediation. Treating contaminated soils onsite at bioremediation facilities. The contaminants are digested, metabolized, and transformed into humus and inert byproducts. Lecture powerpoint to accompany foundations in microbiology.
Bioremediation is defined as the process whereby organic wastes are biologically degraded under controlled conditions to an innocuous state, or to levels below concentration limits established by regulatory authorities 2 for bioremediation to be effective, microorganisms must enzymatically attack the pollutants and convert them to. Maier the pseudomonads in bioremediation september 12 c. Agricultural microbiology 7 leeuwenhoek microscopes were crude, relied on a single lens held in a metal plate. The removal of organic wastes by microbes for environmental cleanup is the essence of bioremediation. Sep 08, 2005 increased industrial and agricultural activity this century has led to vast quantities of the earths soil and groundwater resources becoming contaminated with hazardous chemicals.
Sun oil pipeline spill in ambler, pennsylvania 1970s continuing bioremediation projects by richard raymond of sun oil mid1980s emphasis on bioengineering organisms for bioremediation. Bioremediation provides a technology based on the use of living organisms, usually bacteria and fungi, to remove pollutants from soil and water, preferably in situ. These documents are available in pdf format on the internet from the u. Compost bioremediation refers to the use of a biological system of microorganisms in a mature, cured compost to sequester or break down contaminants in water or soil. Bioremediation can be grouped into two broad types. Bioremediation technology for heavy metal pollution.
Find powerpoint presentations and slides using the power of, find free presentations research about bioremediation ppt. Bioremediation often takes longer than other treatment options. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Congress, office of technology assessment,bioremediation for marine oil spills background paper, otabpo70 washington, dc. Bioremediation and biotransformation methods endeavour to harness the astonishing, naturally occurring, microbial catabolic diversity to degrade, transform or accumulate a huge range of compounds including hydrocarbons e. Microorganisms consume contaminants in soils, ground and surface waters, and air.
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