The effect of operational parameters such as initial dye concentration, ph, temperature and amount of plant on the efficiency of biological decolorization process was determined. 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. Livestock wastewater was treated using azolla filiculoides and lemna minor for six days. The bot water quality was assessed by analyzing physicobiochemical characters ph, biological. Index termsphytoremediation, edta, spirodela polyrhiza, lemna minor, cadmium. Potential of duckweed lemna minor for removal of lead. Phytoremediation is the name given to a set of technologies that use different plants as a containment, destruction, or an extraction technique.
Effect of ph, temperature, and lead concentration on the. A preliminary experiment was carried out to assess the possibility of using minute duckweed lemna perpusilla torr. Wastewater remediation by using azolla and lemna for. Water samples were collected from kaduna refinery effluent point, romi up and romi down from june to august, 2014. As more leaves grow, the plants divide and become separate individuals. These plants can recover nutrients such as nitrogen. Its potential as a species used in phytotoxicity tests is also discussed. Duckweed lemna minor found to remove effectively iron and copper at low concentrations in laboratory experiments jain et al. Pdf phytoremediation of low levels of heavy metals using.
However, the highest removal of pb was found at ph 9. T chrismadha 1, t suryono 2, m magfiroh 1, y mardiati 1 and e mulyana 1 published under licence by iop publishing ltd. For this study, azolla filiculoides and lemna minor were used as the phytoremediation plants to remove ammoniacal nitrogen and chemical oxygen demand in the wastewater from livestock. Taraldsen je, norbergking tj 1990 new method for determining effluent toxicity using duckweed lemna minor l. Results on removal of heavy metals zn, pb, fe, cu, and ni through phytoremediation of landfill leachate by lemna minor at different time periods of exposure are shown in figures 15. Comparative evaluation of salicylic acid and edta chelant. Phytoremediation of maninjau lake water using minute. Further explorations are needed in the field of phytoremediation to address technical issues and to find out the geographically suitable plant species for effective phytoremediation.
This study examined the ability of the aquatic plant lemna minor duckweed to remove soluble lead under various laboratory conditions. Phytoremediation of methylene blue using duckweed lemna minor muhammad fauzul imrona, setyo budi kurniawanb, agoes soegiantoa, febri eko wahyudiantoa a study program of environmental engineering, department of biology, faculty of science and technology, universitas airlangga, kampus c unair, jalan mulyorejo. Some species of duckweed have ability to produce protein six to ten times faster than soybeans planted at an equivalent surface area 10. Lemna minor is a small vascular plant that reproduces rapidly, is sensitive to a wide variety of pollutants, and is easy to culture. Save nature to survive phytoremediation potential of duckweed. Phytoremediation technique of using the living plants to clean up the water. Thus, duckweed may be useful from a phytoremediation standpoint.
The lemna minor is established as one of the prom ising species for the arsenic phytoremediation. The lemna minor belongs to duckweed family is used as a phytoremediation agent in this study. Evaluation of the phytoremediation capacity of lemna minor. Lemna minor in phytoremediation of chemicals in the environment. In this work a miniaturized and disposable electrochemical sensor was developed to evaluate the cadmium and lead ion phytoremediation potential by the floating aquatic macrophyte lemna minor l.
To that end, fluorescence microscopy, mic tests, biofilm formation, the phenol removal test 4aap method, the salkowski essay, and. A positive correlation has been reported between tn of wastewater medium and protein contents of duckweed grown on it 10. Currently, phytoremediation is an effective and affordable technological solution used to extract or remove inactive metals and metal. An ecofriendly and cost effective technique phytoremediation was used to remediate contaminants from waste water. Introduction eavy metal pollution of the biosphere has increased rapidly since 1900 nriagu, 1979, and aquatic ecosystem are directly affected by heavy metal pollution. The sensor is based on a screenprinted electrode modified insitu with bismuth film, which is more environmentally friendly than the mercury. Pdf plant nutrient phytoremediation using duckweed. Phytoremediation potential of duck weed lemna minor l. Plant nutrient phytoremediation using duckweed springerlink. Heavy metals are among the most important sorts of contaminant in the environment. The highest bioconcentration potential of pb was observed by lemna minor 0. Potential of duckweed lemna minor for the phytoremediation. Many smallscale phytoremediation efforts are found in other locations and can be nonmechanized. Pune, india, during the year 2012 using azolla and lemna with dilution of wastewater in different proportions.
Results of the phytoremediation potential study on lemna minor are given in table 1. The sensor is based on a screenprinted electrode modified insitu with bismuth film, which is more environmentally friendly than the mercurybased sensor usually adopted for lead. A few lemna species are already being adopted to enhance natural attenuation for both organic and inorganic pollution in polishing ponds of wastewater treatment facilities, and constructed wetland designed for decontamination of metal pollution. Using the reactor digestion and nessler methods, the initial values.
Chelating agent mediated enhancement of phytoremediation. This technology has been receiving attention lately as an innovative, costeffective alternative to the more established treatment methods used. Phytoremediation of nutrientcontrolled water using. Reduction in concentration of heavy metals in landfill leachate depends upon the duration of exposure to l. Three macrophytes azolla pinnata, lemna minor, and hydrilla verticillata were exposed to 1. Over the last 40 years a great deal of research has been published on the use of duckweed to treat wastewater both from point sources feedlots, food processing plants and from nonpoint sources. Comparative studies on the efficiency of lemna minor l.
Phytoremediation of methylene blue using duckweed lemna minor muhammad fauzul imrona, setyo budi kurniawanb, agoes soegiantoa, febri eko wahyudiantoa a study program of environmental engineering, department of biology, faculty of science and technology, universitas airlangga, kampus c unair, jalan mulyorejo, surabaya, 60115, indonesia b study. It can serve as a hyperaccumulator, keeping the metal from continuous reintroduction into the ecosystem turgut et al. This experiment was carried out in the unit for technology transfer of lake restoration indonesian institute of sciences, which located next to. Lemna minor is a floating freshwater aquatic plant, with one, two, three or four leaves each having a single root hanging in the water. On steel wastewater abstract an ecofriendly and cost effective technique phytoremediation was used to remediate. Phytoremediation of methylene blue using duckweed lemna. A comparative study on the potential of phytoremediation on lemna minor and lemna gibba for the removal of different concentrations of cadmium was carried out. The concentration of arsenic in control wild macrophytes was below detectable limit. This study specifically attempted to determine the viability for using lemna minor to remediate municipally generated wastewater contaminated with copper. Request pdf phytoremediation potential of duckweed lemna minor l. Potential of duckweed lemna minor for removal of lead from. Lemna minor can be used as suitable flora species for phytoremediation of copper contaminated waste water. The main morphological and ecological characteristics of the aquatic plant lemna minor l.
Effluents containing dyes are released to the environment and pose harm to humans who might be exposed to these contaminants. Evaluation of the phytoremediation capacity of lemna minor l. Pdf plant nutrient phytoremediation using duckweed louis. The studies involves a laboratory experiment on the comparative study on the efficiency of lemna minor l. Duckweed, in particular, is commonly used in the united states to phytoremediate municipal, industrial and septic waste iqbal 1999. Phytoremediation of anatoxina by aquatic macrophyte lemna trisulca l. Phytoremediation of arsenic contaminated water intechopen. The concentration of arsenic in control wild macrophytes was.
Proceedings of 12th iserd international conference, tokyo, japan, 26th sept. Phytoremediation of methylene blue using duckweed lemna minor. Phytoremediation potential of the duckweeds lemna minuta. Pdf phytoremediation of methylene blue using duckweed. Phytoremediation potential of duckweed lemna minor l. Phytoremediation may be applied to polluted soil or static water environment. The highest uptake of nitrogen and phosphorous by duckweed was 95% and 90%, r espectively, whereas.
Diazotrophsassisted phytoremediation of heavy metals. In two separate experiments, the two species were grown for 28 days in waters enriched with nitrate and phosphate to simulate nutrient concentrations of domestic wastewater. The dye removal percentage and relative growth rate of l. In fact, it has been suggested that lemna minor has been nearly exhaustively studied in the field of bioremediation tripathi, 1991. Ascertaining the removal efficiency of lemna minor in. Phytoremediation of nutrientcontrolled water using duckweed. Phytoremediation is an emerging technology that uses various plants to degrade, extract, contain, or immobilize contaminants from soil and water.
Lemna minor, the common duckweed or lesser duckweed, is an aquatic freshwater plant of the genus lemna. This study demonstrated that phytoremediation ability of duckweed lemna minor l. Depending on the type of the experiment, duckweed is cultivated on different nutrient media under various chamber conditions. Request pdf phytoremediation potential of lemna minor l. Lemna might be used for phytoremediation of low level contamination with metals and organic xenobiotics, however more detailed analysis of the stress reactions following copper exposure and of the enzymatic metabolism of pethoxamide are required. The aquatic wetland plants are capable of taking up higher concentrations of cd as compared with terrestrial land plants, and are helpful in phytoremediation, i. Lemna minor is well documented by other researchers in its ability to act as a bioaccumulator of heavy metals prasad, 2006.
Phenol removal capacity of the common duckweed lemna minor. The study used 100 ml samples of wastewater, artificially spiked with 8 mgl of copper sulfate and seeded with approximately 100 lemna minor fronds. Phytoremediation of maninjau lake water using minute duckweed. Phytoremediation potential of duckweeds lemna minuta, lemna minor to remove nutrients from simulated wastewater was analyzed. Azo dyes are the largest class of synthetic dyes and are utilized in several industries. This study aimed to evaluate the phytoremediation capacity of l. The present investigation deals with the detoxification of arsenic contaminated water using phytoremediation technique. The sensor is based on a screenprinted electrode modified insitu with bismuth film, which is more environmentally friendly than the mercurybased sensor usually adopted for lead and cadmium ion. This study aims to investigate the removal of methylene blue mb dye using duckweed lemna minor. In vitro proliferation of lebanese lemna minor and lemna. A total of 20 fiber tubs with size 80 x 80 x 40 cm 3 and volume of 256 l were prepared and filled with 30 l each of the tannery wastewater and 1. Phytoremediation potential of the duckweeds lemna minuta and. Nitrogen and phosphorous removal from leachate by duckweed 125 mass basis. However lemna had shown slightly better performance.
Phytoremediation of maninjau lake water using minute duckweed lemna perpusilla torr. 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. Aug 02, 2019 the dye removal percentage and relative growth rate of l. Currently, phytoremediation is an effective and affordable technological solution used to extract or remove inactive metals and metal pollutants from. Save nature to survive phytoremediation potential of. In present study, the potential of duckweed lemna minor l. 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. They belong to the family of lemnaceae, which are monophyletic to the family araceae. This research aims to determine the ability of lemna sp. Assessment of the potential of duckweed lemna minor l. Phytoremediation of methylene blue using duckweed lemna minor article pdf available in heliyon 58. The main objective of the present study is to assess the potential of l. This study aimed to assess the ability of two lebanese duckweed species, lemna minor and l.
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