It also provides a brief summary of phytoremediation. Air pollution caused a problematic health include breathing problems, respiratory illness, changes in the lungs defenses, and worsening respiratory, and. Plants ability to accumulate heavy metals may cause problems to human health when contamination of food crops is too high. With an increase in the contamination of urban areas, more and more attention has been paid to the role of ornamental plants in remedying contaminated soil. Significant role of ornamental plants as air purifiers a. Common sunflower is from the family asteraceae, the family of daisies and its botanical name is helianthus annuus. Phytodegradation, or phytotransformation, is the use of plants to uptake, store and degrade organic pollutants. The plants need to undergo rigorous testing to obtain approval from government agencies, and many.
Phytoremediation of contaminated soils using ornamental plants. You may need a pdf reader to view some of the files on this page. Materials and methods in order to analyse the existing research related to the use of ornamental plants for phytoremediation of heavy metals. The results showed that the dry biomass of two plants was increased at low ba p contaminated soil and then inhibited with increasing bap concentrations. Phytoremediation is a way to mitigate environment pollutions, such as in air, water and soil pollution in virtue of plants, more often than not, combined with their associated microorganisms. The ability to tolerate high concentrations of heavy metals and accumulate them to high levels makes an ornamental plant suitable for phytoremediation. What is the fate of plants used in phytoremediation. Phytoremediation might be a good solution to this problem. Phytoremediation plants used to clean contaminated soil.
Phytoremediation of pb and cd contaminated soils by using. Potential of ornamental plants for phytoremediation of. Efficiency of five ornamental plant species in the. Finally, existing ornamental plants in urban areas also constitute. The cocontamination of farmland soils with heavy metals and antibiotics from the application of livestock and poultry manures poses great threats to human health. Growth responses of three ornamental plants to cd and. Phytoremediation of formaldehyde from indoor environment. Plants are known to be able to accumulate many heavy metals 9. Plants for phytoremediation phytoremediation involves the use of plants to remove, transfer, stabilize andor degrade contaminants in soil, sediment, and water hughes et al.
Phytoremediation using ornamental plants can avoid entering food chains and effectively reduce the pollution, than using crops. Terrestrial ornamental plants for phytoremediation. The ability of plants to cope with emerging pollutants and heavy metal vary amongst the different. It utilizes a variety of plant biological processes and the physical characteristics of plants to aid in site remediation. First place student essay phytoremediation of contaminated. Phytoremediation, heavy metals, hyper accumulators, transgenic plants. Phytoremediation of nitrate contaminated water using. Their other speciality is that they are responsible for drawing aluminium out of the soil. Pot experiments were conducted to evaluate the phytoremediation of bap contaminated soil using two ornamental plants tagetes patula and mirabilis jalapa. Abstract phytoremediation, the use of green plants to clean up polluted soil and water resources has received much attention in the last few years. Phytoremediation of heavy metals contaminated mafiadoc. Ornamentals constitute a group of plants employed by humans throughout history.
A costbenefit analysis on such a system would unleash the use of ornamental plants in phytoremediation. A list of plants used in phytoremediation is given in table 9. Use of ornamental in phytoremediation of heavy metals in. It can be inferred from available data that if we can find hyperaccumulative ornamentals which can be used to remedy. Identification and chemical enhancement of two ornamental. Phytoremediation of metals through potential ornamental. Phytoremediation makes use of the ability of green plants to accumulate or degrade contaminants 11. Technogenic and anthropogenic activities are the major sources of heavy metals in the environment.
Introduction to phytoremediation phytoremediation is a broad term that has been in use since 1991 to describe the use of plants to reduce the volume, mobility, or toxicity of contaminants in soil, groundwater, or other contaminated media mccutcheon 2003. Phytoremediation is the name given to a set of technologies that use different plants as a containment, destruction, or an extraction technique. Phytoremediation of soils contaminated with heavy metals medcrave. Phytoremediation is the direct use of living plants for in situ remediation of contaminated soil, sludges, sediments, and ground water through contaminant removal, degradation, or containment. Constructed wetlands, reed beds and floating plant systems have been common for the treatment of some types wastewater for many years. Goosegrass herb eleusine indica and canna canna indica l. Thus, the results of this study would be valuable to establish the use of these ornamental plants for nitrate removal from water in fieldscale systems. For this purpose, we used one of the common interior plants from the fern species nephrolepis obliterata, inside a plexiglas chamber under controlled environment. They have been used for dye, medicine, oil, and food. Phytoremediation of alkaline soils cocontaminated with. According to the results of this study, phytoremediation of volatile organic compoundcontaminated indoor air by the ornamental potted plants is an effective method which can be economically applicable in buildings.
Since many of them are not edible plants, the risk to the food chain is reduced. Phytoremediation of vocs from indoor air by ornamental potted plants. From the point of view of ethnobotany, the use of ornamental plants responds to local botanical knowledge that guides diverse strategies of cultivation and consumption in different cultural contexts. Currently, phytoremediation is an effective and affordable technological solution used to extract or remove inactive metals and metal pollutants from. Finally, a matrix is provided to allow easy screening of the abstracted references. Important criteria for plants used for phytoremediation include the provision of economic benefits, harvesting management, and byproduct utilization. Types of plants used hydrangeas are popular ornamental plants grown for their large clumps of flowers. Economically important plants with a short life cycle motivate local people provided they have phytoremediation application. Another plant used in phytoremediation for cleaner soil is indian mustard, which removes lead, selenium, zinc, mercury, and copper from the soil.
The results showed that the dry biomass of two plants was increased at low ba p contaminated soil and then inhibited with. The fern species tested here had high potential to improve interior environments where formaldehyde emission is a. Aquatic plants can be used in bioremediation phytoremediation especially to remediate sites contaminated with heavy metals. Treatment and remediation of petroleumcontaminated soils. Phytoextraction removes metals or organics from soils by accumulating them in the biomass of plants. Growing and, in some cases, harvesting plants on a contaminated site as a remediation method is an aesthetically. The objective of this work is to put on view phytoremediation as. Water hyssop bacopa monnieri removes lead, mercury, cadmium and chromium from bogs and wetland. Entire plant removal efficiency and potted soilroots contribution were determined by continuously introducing different formaldehyde vapor concentrations to the chamber 0. Not every plant species can be used for phytoremediation. Taking the soil mixed by sludge and crimson soil according to sludge percent 25% to cultivate goosegrass herb and increasing the harvesting times could enhanced the removal efficiency of heavy metals significantly. Tagetes patula marigold and petunia grandiflora petunia have been shown to exhibit potential in phytoremediation of environmental pollutants including heavy metals and textile dyes.
To investigate their phytoremediation potential of diesel, it was necessary to evaluate diesel phytotoxicity of these two ornamental plants. Phytoremediation is the use of plants to partially or substantially remediate selected contaminants in contaminated soil, sludge, sediment, ground water, surface water, and waste water. Phytoremediation is the use of plants for environmental cleanup. Phytoremediation, a sustainable remediation technology. They will visually decorate the environment of metalimpacted areas.
In the present study catharanthus roseus apocynaceae family an herbaceous ornamental plant was used for the phytoremediation of lead, nickel, zinc, cadmium and chromium contaminated soils. A plant that is able to take up more metals than normal plants is called a hyperaccumulator. A pot culture experiment was conducted to evaluate the remediation capacity of two ornamental hyperaccumulators, namely, mirabilis jalapa l. Phytoremediation of vocs from indoor air by ornamental. Ornamental plants commonly used in landscaping not only make the environment colorful but also remediate the contaminated environment.
Use of brassica plants in the phytoremediation and. Phytoremediation is a technology that takes advantage of the biochemical processes of plants by which they decompose, stabilize, fix or metabolize organic and inorganic contaminants present in soils, sediments and water, thus reducing its concentration and danger pilonsmits and freeman, 2006. Hyperaccumulators can absorb more heavy metals than is present in the soil in which they are growing. The plant used in the phytoremediation technique must have a considerable capacity of metal absorption, its accumulation and reducing the time of decontamination of an ecosystem 8. The aim of this work was to screen out ornamental plants with high effectiveness for treating petroleumcontaminated soil, by examining the removal rate of tphs and its composition after a 30day potculture experiment. All plants need some heavy metals in small amounts. Phytoremediation offers owners and managers of metal contami. Thereby, the plants act as sinks and consequently reduce the voc concentration in the air. Performance of aquatic plant species for phytoremediation. The capacity for metal accumulation is considered a vital characteristic for ornamental plants used in phytoremediation and is reflected by the metal concentration in each part of the plant. Phytoremediation of contaminated soils using ornamental.
For example, water hyacinth eichhornia crassipes has been used for purifying not only domestic wastewater but also industrial wastewater. 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. The present study was conducted to find out the role of consolida ambigua and calendula officinalis l. Genetic engineering may be the most effective method to produce suitable plants for phytoremediation, but many issues need to be considered in the use of genetically modified plants. Phytoremediation of contaminated soils phyto or green plant based remediation is not a new concept. Can ornamental potted plants remove volatile organic. Phytoremediation refers to the transfer, accommodation or transformation of toxic and hazardous pollutants in the environmental media through the use of plants, thereby making the pollutants harmless to environment, effectively repairing the effects of pollution in the. Several methods already used to clean up the environment from these kinds of contaminants, but most of them are costly and difficult to get optimum results. Unlike other kinds of remediation plants, ornamental plants grown for d. Economic assessment of co2 abatement through the use of phytoremediation crops for renewable energy production.
Growth responses and metal accumulation in an ornamental plant. Several ornamental potted plant species have the ability to absorb vocs from indoor air yang et al. A pilot study using a palm species under the controlled environment. One plant used in phytoremediation for cleaner soil is alpine pennygrass because it was found to be able to remove 10 times more cadmium than any other known soil cleaning plant. On the other hand, this ability forms the basis for phytoremediation. The results suggested that the examined osmanthus has potential for use in metalcontaminated environments due to phytoremediation application in the soil. Phytoremediation is a recently developed technology that offers a costeffective solution by using plants, and associated soil microbes, to reduce the content, or toxic effects, of contaminants in. In conclusion, the two ornamental plants are promising to be used for phytoremediation.
This plant based technology has gained acceptance in the past ten years as a. List of 10 plants used in phytoremediation health guide net. Heavy metals total accumulations in root, stem and leaf was calculated and bioconcentration factor, translocation factor values was also calculated. Heavy metals are among the most important sorts of contaminant in the environment. In addition, decorating offices with plants can decrease levels of discomfort such as cough and fatigue and improve health fjeld et al. Pdf phytoremediation ability of some floricultural plant species. Growing ornamental plants based on their habitat and phytoremediation potential not only makes the environment colorful but also remediates the contaminants in terrestrial and aquatic environments.