Interest in phytoremediation as a method to solve environmental contamination has been growing rapidly in recent years. Phytoremediation represents a group of innovative technologies that use plants and natural processes to remediate or stabilize hazardous wastes in soil, sediments, surface water, or groundwater. Performance of aquatic plant species for phytoremediation. Phytoremediation is an emerging bioremediation technology that uses the plant to remove contaminants from soil and water. Phytoremediation seminar report, ppt, pdf for chemical. As an emerging hopeful technology, phytoremediation for using in management and remediation of contaminated soils has its advantages and limitations. Phytoremediation study us department of energy task order dedt0005315 environmental remediation services for environmental compliance for area iv yarrow m. The phytoremediation potential of bioenergy crop ricinus. Concordia university, 2012 this study investigated the application of surfactants and chelates to enhance the removal. Some plants are able to extract and concentrate particular elements from the environment, thereby offering a permanent means of remediation. Pdf study on application of phytoremediation technology. Phytoremediation potential of alfalfa in cocontaminated soil. Guptac, zhenli hed, kai wanga, zhiqiang zhua, xingchu yanb, tingqiang lia, xiaoe yanga. The guide is intended to be used as a guidance document to demonstrate application of phytoremediation in highway storm water runoff drainage designs.
To minimise such risk, phytoremediation comes into play. Phytoextraction removes metals or organics from soils by accumulating them in the biomass of plants. Also explore the seminar topics paper on phytoremediation with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year chemical engineering chem or ieee chemical btech, be, mtech students for the year 2015 2016. In this process is the use of plants or algae to remove. Greater columbus convention center wednesday, may 23, 2012. Biosphere pollution by heavy metals and nucleotides was accelerated dramatically during the last few decades due to mining, smelting, manufacturing, treatment of agricultural soils with agrochemicals and soil sludge, etc. Phytodegradation, or phytotransformation, is the use of plants to uptake, store and degrade organic pollutants.
A plant has a potential for accumulating, immobilizing, and transforming a low level of persistent contaminants. Atsdr, 2012 and the united states environmental protection. The analysis looks at the justifiability of the application ofphytoremediation in restoring a balanced environment as an alternative methodto costly land. Phytoremediation in phytoextraction is a major technique. Phytoremediation involves growing plants in a contaminated matrix. Greater columbus convention center wednesday, may 23. Performance of aquatic plant species for phytoremediation of. Application of plants for phytoremediation plants act as solardriven pumping and filtering systems as they take up. Application of phytoremediation in restoring sustainable. Guide to phytoremediation of highway runoff november 2001 2 in appendix d of the storm water management plan and subsequent documents required by the npdes permit and in a revised project planning and design guide the most recent caltrans storm water management documents should be consulted prior to designing any. Phytoremediation mechanisms of heavy metal contaminated.
Lead phytoextraction, using plants to extract pb from contaminated soils, is an emerging technology. The objective of this article is a presentation of priority questions andrelations involving economic and soil conditions for the application ofphytoremediation technology in restoring sustainable development to theenvironment. Phytoremediation types of phytoremediation notes pdf. Pdf phytoremediation for metalcontaminated soils was started. Phytoremediation of chlorpyrifos by populus and salix keum young lee, stuart e. Influence of soil chemistry and plant physiology in the. For instance, plant species like duckweed lemna gibba, water spinach. Definition and origins heavy metals are natural constituents of the earths crust 14 15. May 30, 2019 phytoremediation is popular in theory due to its low establishment cost and relative simplicity. Present phytoremediation system characteristics that site managers and others might find useful in assessing the potential applicability of phytoremediation to a specific site. Application of floating aquatic plants in phytoremediation of. Tests were conducted to study the influence of nonionic surfactants triton x100 and tween 80 on the removal of mixed contaminants from a sandy soil using phytoremediation. Phytoremediation of soil containing mixed contaminants ramin memarian.
Phytoremediation is popular in theory due to its low establishment cost and relative simplicity. Plant assisted bioremediation, sometimes referred to as a type of phytoremediation, involves the interaction of. Bioremediation is an option that offers the possibility to destroy or render harmless. The indian mustard brassica juncea plant was the plant chosen for phytoremediation of the. Soil contamination by various inorganic and organic compounds has been a worldwide concern, and phytoremediation has benn received increasing attention for remediation of these contaminants. Types of the method of phytoremediation used depends on the type and amount of pollution, as well as what type of area it is found in. Typical in situ phytoremediation system phytoremediation is a process that uses plants to remove, transfer, stabilize, and destroy contaminants in soil and sediment. The overall structure of the present thesis takes the form of eight chapters and one appendix. Phytoremediation is the direct use of living plants for in situ remediation of contaminated soil, sludges, sediments, and ground water through contaminant removal. In situ and ex situ applications are governed by site soil and water characteristics, nutrient sustainability, meteorology, hydrology, feasible ecosystems, and contaminant.
Explore phytoremediation with free download of seminar report and ppt in pdf and doc format. Phytoremediation, the use of green plants to treat and control wastes in water, soil, and air, is an important part of the new field of ecological engineering. Study on application of phytoremediation technology in. Phytoremediation refers to the use of plants to remove pollutants from soil and groundwater or to assist in the degradation of contaminants to a less toxic form. Phytoremediation mechanisms of heavy metal contaminated soils.
Other large companies such as chevron and dupont were also developing phytoremediation technologies. Phytoremediation of soil containing mixed contaminants. This costeffective plantbased approach to remediation takes advantage of the remarkable ability of plants to concentrate elements and compounds from the environment and to metabolize various molecules in their tissues. Pdf study on application of phytoremediation technology in. Pdf polluted soil and water impact the quality of food and nutrients of human and animal biota. Bioremediation is an option that offers the possibility to destroy or render harmless various contaminants using natural biological activity. The phytoremediation potential of bioenergy crop ricinus communis for ddts and cadmium cocontaminated soil huagang huanga, ning yua.
A comparison of technologies for remediation of heavy metal. Effects of edta, citric acid, and tartaric acid application on growth, phytoremediation potential, and antioxidant response of calendula officinalis l. Cense, department of environmental sciences and engineering, faculty of sciences and technology, new university of lisbon, caparica, portugal received 23 october 2011. Examples where phytoremediation has been used successfully include the restoration of abandoned metal mine workings, and sites where polychlorinated biphenyls have been dumped during manufacture and mitigation of ongoing coal mine discharges reducing the impact of contaminants in soils, water, or air. Phytoremediation may be applied to polluted soil or static water environment.
Received 10 july 2012, received in revised form 5 august 2012, accepted 6 august 2012, published 8 august 2012. The citizens guides are 2page fact sheets that explain, in basic terms, the operation and application of the most frequently used innovative treatment technologies. Received 23 february 2014 received in revised form 17 june 2014 accepted 18 june 2014. It designates all vegetation based remediation measures. Oct 17, 2017 application and techniques for phytoremediation introduction. It protects the food chain by decreasing agrochemical residues in food crops. Jul 14, 2011 tests were conducted to study the influence of nonionic surfactants triton x100 and tween 80 on the removal of mixed contaminants from a sandy soil using phytoremediation. The mechanisms of phytoremediation include enhanced rhizosphere biodegradation, phytoextraction also called phytoaccumulation, phytodegradation, and phytostabilization. Water is absorbed from the soil solution into the outer tissue of the root.
Phytoremediation is defined by unep 2012a,b as the use of living green plants. This green technology that involved tolerant plants has been utilized to clean up soil and ground water from heavy metals and other toxic organic compounds. Phytovolatilization is the uptake of pollutants from soil by. The forum is supported by and advises the superfund technical. Assisting phytoremediation of heavy metals using chemical. Jan 23, 2015 phytoremediation of heavy metals by calcifying macroalgae anthropogenic activities release heavy metals into water bodies which can lead to imbalancement of the ecosystem. Environmental protection agency office of solid waste and emergency response.
Phytoremediation may prevent the spread of contaminants and eliminate those already. Phytoremediation phyto means plant is a generic term for the group of technologies that use plants for remediating soils, sludges, sediments and water contaminated with organic and inorganic contaminants. Phytoremediation of heavy metals by trifolium alexandrinum. In this study, we investigated the potential of adding chelates to pb.
The international journal of phytoremediation is the first journal. Heavy metals concentration in water and plant sample was analyzed at 3, 10, 17, 24, and 31 day. The book could form the basis of specialist courses in universities and polytechnics devoted to environmental management, and advanced courses in plant physiology and biochemistry, for botany and integrative biology students. Plants,used as remediation techniques, take up the heavy metals to produce an internal concentration greater than. Endophytic bacteria diminish toxicity and evapotranspiration of organic pollutants. However, it is considered as a slow form of remediation, as plants take time to grow and flourish.
Problems associated with the contamination of soil and water such as animal welfare, health, fatalities and disruptions of natural ecosystems are well. This article throws light upon the three main areas of application of phytoremediation. Epa 542b99003 june 1999 phytoremediation resource guide u. Plants with more than one bcf and high roottoshoot metal translocation, as displayed by brake fern pteris vittata, are ideal for phytoremediation and also relate to the plant to act as a hyperaccumulator pandey 2012. In the 1990s, there were several companies working with phytoremediation, including phytotech, phytoworks, and earthcare. The soil forms an integral part of our agricultural resource. Endophytic bacteria can enhance phytoremediation of organic pollutants. Ahmadpour p, ahmadpour f, mahmud t et al 2012 phytoremediation of heavy metals. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
Epa, office of solid waste and emergency response subject. The epa regional ground water forum is a group of epa professionals representing regional superfund and resource conservation and recovery act rcra offices, committed to the identification and resolution of groundwater issues impacting the remediation of superfund and rcra sites. Cdii and pbii were used to form the inorganic contaminant, while used engine oil was selected to form the organic contaminant. Phytoremediation of heavy metals by calcifying macroalgae anthropogenic activities release heavy metals into water bodies which can lead to imbalancement of the ecosystem.
Guide to phytoremediation of highway runoff november 2001 ii disclaimer the guide should not be construed as policy of caltrans. The publisher does not give any warranty express or implied or make any representation that the contents will be. Because it is based on natural processes, phytoremediation may be easily adaptable to many redevelopment plans for brownfields sites. Phytoremediation is a relatively new technology that offers clear. Short communication the phytoremediation potential of bioenergy crop ricinus communis for ddts and cadmium cocontaminated soil huagang huanga, ning yua. Doty school of forest resources, college of the environment, university of washington, seattle, washington, usa abstract chlorpyrifos is one of the commonly used organophosphorus insecticides that are implicated in. Phytoremediation is a flo urishing field, including initiated field application of phytoremediation o f organic and inorganic wastes and radionuclides globally over the last ten years. Key words oxidative stress peroxidase phytoremediation radish. The applied chemicals often may form complexes with heavy metals, which have non. Mycorrhizoremediationan enhanced form of phytoremediation. The most positive characteristics are that phytoremediation is a natural and in study on application of phytoremediation technology in management and remediation of contaminated soils. Phytoremediation is an emerging and ecofriendly green engineering technology that utilizes the natural properties of plants to remediate contaminated soils, water and sediments. Etim department of chemistry, university of uyo, uyo, nigeria author to whom correspondence should be addressed.
Ground water issue phytoremediation of contaminated soil and. Calculations of soil pb mass balance suggest that this technology will be economically feasible only if systems can be developed to employ high biomass plants that can accumulate greater than 1% pb in their shoots. R822721c696 phytoremediation and bioremediation of land contaminated by pahs, pcbs, and tnt r822721c697 fundamental and kinetic investigation of sorbent technology for optimum mercury emission control r822721c700 effects of natural and cyclic variations on contaminant fate and transport. Sep 12, 2017 phytoremediation phytoremediation definition. Epa awards and manages the overall grant for this center. Phytoremediation study for the santa susana field laboratory final report 4162015 santa susana field laboratory soil treatability studies task iii. Contaminated soils and waters pose a major environmental and human health problem, which may be partially solved by the emerging phytoremediation technology. Phytoremediation and bioremediation of land contaminated by pahs, pcbs, and tnt epa grant number. The indian mustard brassica juncea plant was the plant chosen for. Phytoremediation has been increasingly used as a more sustainable.
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