Potentials of using duckweed (Lemna gibba) for treatment of drainage water for reuse in irrigation purposes

Allam, Ayman; Tawfik, Ahmed; El-Saadi, Aiman; Negm, Abdelazim

doi:10.1080/19443994.2014.966760

Cited by 13 publications

(11 citation statements)

References 27 publications

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“…Abou EL-Kheir et al (2007) studied the efficiency of DW in wastewater treatment for wide range of pollutants under local outdoor natural conditions. Also, Allam et al (2014) studied the potential use of the plant for the removal of chemical oxygen demand (COD) and ammonia. The authors recommended using DW plants as an alternative cost-effective biological tool for the treatment of drainage water.…”

Section: Investigated Plantsmentioning

confidence: 99%

“…In Egypt, these water treatment systems appear to be promising since they proved to be environmentally attractive and economically feasible (Allam et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

“…The present study aims at characterizing the performance of three common plant species in Egypt (water hyacinth (WH), reed (RD) and duckweed (DW)) to remove water pollutants using constructed wetland that receives wastewater from Bahr El-Baqar drain as a highly polluted agricultural drain. In Egypt, these plants were tested in different regions under dissimilar environmental conditions (Abou EL-Kheir et al, 2007;Rashed et al, 2007;Allam et al, 2014;El Hawary, 2015). Therefore, this study will combine the separate cells all in one experimental field through plantation under the same setting.…”

Section: Introductionmentioning

confidence: 99%

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Improving drainage water quality: Constructed wetlands-performance assessment using multivariate and cost analysis

Hawary

Shaban

2018

Water Science

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Multivariate analysis of variance followed by multiple comparisons and discriminant function analysis were used to characterize the performance of three plant species (water hyacinth WH, reed RD and duckweed DW) to remove drainage water pollutants using constructed wetlands under the Egyptian conditions. In addition, a simple economic comparison that covers the basic expenses were carried out.During the period from January 2016 to December 2017, input and output water for each treatment cell was monthly sampled and analyzed for five parameters namely; Total Suspended Solids, Dissolved Oxygen, Biochemical Oxygen Demand, Ammonia-N and Phosphate.The results showed wide variation in the removal efficiency of the tested plants according to the monitored pollutants. The efficiencies for DW and WH decrease during the winter season. In the meantime, RD efficiency improves during summer.The cost estimation revealed that the average annual plantation, harvesting and disposal costs estimated for the DW, WH and RD were $6.17, $6.17 and $1.25 per cubic meter, respectively.Consequently, RD plants are recommended as a first priority for treating polluted drainage water.

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Section: Investigated Plantsmentioning

confidence: 99%

“…In Egypt, these water treatment systems appear to be promising since they proved to be environmentally attractive and economically feasible (Allam et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Improving drainage water quality: Constructed wetlands-performance assessment using multivariate and cost analysis

Hawary

Shaban

2018

Water Science

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“…Duckweeds grow rapidly, and this is vital for their ability to colonize open water surfaces in nature [1,14] whereby accumulation of the biomass is often coupled with nutrient and heavy metals removal from wastewater [3,4,15]. When conditions, i.e.…”

Section: Introductionmentioning

confidence: 99%

In vitro proliferation of Lebanese Lemna minor and Lemna gibba on different nutrient media

Ghanem

Haddad

Baydoun

et al. 2019

Journal of Taibah University for Science

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This study aimed to assess the ability of two Lebanese duckweed species, (Lemna minor and L. gibba), to grow under in vitro conditions on three nutritive solutions, Murashige Skoog (MS), Schenk-Hildebrand (SH) and Algal Assay Procedure (AAP). Plant growth of both species, expressed as doubling time, differed significantly (p < .05) between the tested media with best results obtained on SH for L. minor after 7 days of culture and on AAP for L. gibba after 2.7 days for both species. Growth index was significantly higher (P < .05) for L. minor on SH reaching 41.6 after 21 days of culture whereas L. gibba exhibited its highest growth index of 15.51 on AAP. These results indicate the efficiency of SH and AAP media in promoting the vegetative proliferation of L. minor and L. gibba to further provide a good source of duckweed material for phytoremediation applications.

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“…Much progress has been made in USA, China, India and European countries [9][10][11][12][13][14]. In the Near East, phytoremediation trials were conducted in Jordan, Egypt and Iraq for the remediation of wastewater and heavy metals from polluted lakes and streams [15][16][17][18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Phytoremediation of Lebanese polluted waters: a review of current initiatives

2019

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Water pollution is presently considered as a serious apprehension in Lebanon. Heavy contamination load of nutrients, heavy metals and organic pollutants can be highly harmful for human health and detrimental to aquatic life and ecosystems. Phytoremediation in natural and constructed wetlands using aquatic macrophytes present a sustainable plant-based technology recognized as a very efficient option in water treatment. The employment of species such as Phragmites, Sparganium, Lemna sp and other aquatic macrophytes not only helps in pollution cleanup but also conserves aquatic communities. To date, two pilot constructed wetlands, Litani River and Bcharreh have been established in Lebanon. These promising initiatives have been, however, accompanied with very limited research studies to examine the role of utilized plants and their efficiency in the remediation process. This paper presents an overview of the status of these initiatives and phytoremediation potential in Lebanon.

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Potentials of using duckweed (Lemna gibba) for treatment of drainage water for reuse in irrigation purposes

Cited by 13 publications

References 27 publications

Improving drainage water quality: Constructed wetlands-performance assessment using multivariate and cost analysis

Improving drainage water quality: Constructed wetlands-performance assessment using multivariate and cost analysis

In vitro proliferation of Lebanese Lemna minor and Lemna gibba on different nutrient media

Phytoremediation of Lebanese polluted waters: a review of current initiatives

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