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International Journal of Phytoremediation

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https://www.readbyqxmd.com/read/28521531/removal-of-co-by-carbonaceous-material-obtained-through-solution-combustion-of-tamarind-shell
#1
H López-González, J Serrano-Gómez, M T Olguín, J Hernández-López, S Bulbulian
New carbonaceous materials were obtained through solution combustion process of tamarind shell in the presence of urea and ammonium nitrate, and all of them were tested for Co removal. The effect of temperature (from 600°C to 1000°C) and water volume on surface texture of carbonaceous material and its adsorptive capacity was evaluated. Scanning electron microscope, FTIR, XRD and BET model were used to characterize the obtained carbonaceous material before applying for the removal of cobalt. The point of zero charge was also determined...
May 19, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28521510/differential-growth-promotion-of-poplar-and-birch-inoculated-with-three-dark-septate-endophytes-in-two-trace-element-contaminated-soils
#2
Charlotte Berthelot, Damien Blaudez, Corinne Leyval
Dark septate endophytes (DSEs) are abundant in stressful environments, including trace element- (TE-) enriched soils. However, knowledge about the effects of DSEs on plant growth in such soils is poor compared to the well-known mycorrhizal fungi. The aim of this work was to evaluate the effects of three DSE strains isolated from TE-contaminated soils on the growth and mineral nutrition of Betula pendula and Populus tremula x alba grown on two contrasting TE-polluted soils. The three DSEs evenly colonized the two plant species in both soils...
May 19, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28521508/the-phytoprotective-effects-of-arbuscular-mycorrhizal-fungi-on-enterolobium-contorstisiliquum-vell-morong-in-soil-containing-coal-mine-tailings
#3
Marcos Leandro Dos Santos, Cláudio Roberto Fonsêca Sousa Soares, Jucinei José Comin, Paulo Emílio Lovato
The purpose of this study was to evaluate effects of arbuscular mycorrhizal fungi (AMF) on pacara earpod tree (Enterolobium contorstisiliquum) growth and phytoprotection in soil containing coal mining waste. A greenhouse experiment was carried out with three inoculation treatments groups (non-inoculated, inoculated with Rhizophagus clarus and inoculated with Acaulospora colombiana) in two substrates (0 or 30% tailings). After 90 days the seedlings were collected to quantify growth parameters, quality, mycorrhizal root colonization rate and leaf content of chlorophylls and carotenoids...
May 19, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28521507/biosorption-of-chromium-vi-in-aqueous-solutions-by-chemically-modified-strychnine-tree-fruit-shell
#4
E Nakkeeran, N Selvaraju
Chromium(VI) removal from aqueous solution was performed using sulphuric and phosphoric acid activated Strychnine tree fruit shell (SSTFS and PSTFS) as biosorbents. Effect of various parameters such as adsorbent dose (0.02 - 0.1g/L), temperature (303 - 333K), agitation speed, solution pH (2-9), contact time & initial Cr (VI) concentration (50-250 mg/L) were studied for a batch adsorption system. The optimum pH range for Cr(VI) adsorption was determined as 2. Equilibrium adsorption data were analyzed with isotherm models and the Langmuir and Freundlich model got best fitted for SSTFS (R(2) value-0...
May 19, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28485990/comparison-among-soil-additives-for-enhancing-the-pteris-vittata-l-phytoremediation-of-as-contaminated-soil
#5
Jun Yang, Shu-Shen Yang, Mei Lei, Jun-Xing Yang, Xiao-Ming Wan, Tong-Bin Chen, Xiao-Ling Wang, Guang-Hui Guo, Jun-Mei Guo, Shu-Qing Liu
Pot experiments were conducted to assess the effects of monoammonium phosphate (NH4H2PO4) and citric acid (CA) on the arsenic uptake of Chinese brake fern (Pteris vittata L. in two typical arsenic-contaminated soils (fluvo-aquic and brown soils) from Jiyuan City and Baoding City in northern China. NH4H2PO4 improved the biomass of P. vittata, whereas CA exerted no significant influence. NH4H2PO4 and CA both increased the arsenic uptake of P. vittata by 6.08 and 2.72 times, respectively, in fluvo-aquic soil and 4...
May 9, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28463566/influence-of-groundwater-and-wastewater-irrigation-on-lead-accumulation-in-soil-and-vegetables-implications-for-health-risk-assessment-and-phytoremediation
#6
Sana Khalid, Muhammad Shahid, Camille Dumat, Nabeel Khan Niazi, Irshad Bibi, Hafiz Faiq Sidique Gul Bakhat, Ghulam Abbas, Behzad Murtaza, Hafiz Muhammad Rashid Javeed
The current study evaluated the effect of groundwater and wastewater irrigation on lead (Pb) accumulation in soil and vegetables, and its associated health implications. A pot experiment was conducted in which spinach (Spinacia oleracea), radish (Raphanus sativus) and cauliflower (Brassica oleracea) were irrigated with groundwater and wastewaters containing varying concentrations of Pb. Lead contents were measured in wastewaters, soils and root and shoot of vegetables. We also measured health risk index (HRI) associated with the use of vegetables irrigated by wastewaters...
May 2, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28463549/date-stones-of-phoenix-dactylifera-and-jujube-shells-of-ziziphus-lotus-as-potential-biosorbents-for-anionic-dye-removal
#7
Noureddine El Messaoudi, Abdellah Dbik, Mohammed El Khomri, Abderrahman Sabour, Safae Bentahar, Abdellah Lacherai
The aim of this work is to determine the removal of Congo red (CR) from solution aqueous using Date stones (DS) of Phoenix dactylifera and jujube shells (JS) of Ziziphus lotus as low-cost and eco-friendly biosorbents. Batch operations were carried out in the liquid phase to observe the effect of various experimental parameters such as contact time, pH, temperature and initial dye concentration on removal CR. The characteristics of the DS and JS were also examined by FTIR analysis. The biosorption data of CR on DS and JS samples were well fitted the Langmuir isotherm and pseudo-second kinetics model with a maximum biosorption amount of 45...
May 2, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28448719/use-of-native-aquatic-macrophytes-in-the-reduction-of-organic-matter-from-dairy-effluents
#8
Rita de Cássia Souza de Queiroz Lopes, Rodrigo Santos Andrade, Isadora Rosário Dantas, Vinícius de Souza Ribeiro, Luciano Brito Rodrigues Neto, José Adolfo de Almeida Neto
Considering the diversity and the unexplored potential of regional aquatic flora, this study aimed to identify and analyze the potential of native aquatic macrophytes to reduce the organic matter of dairy wastewater using experimental constructed wetlands. The dairy wastewater had an initial average COD of 7,414.63 mg/L and then was diluted to 3,133.16 mg/L (D1) and to 2,506.53 mg/L (D2). Total solids, COD, temperature, and pH analyses were performed, and the BOD was estimated from the COD values. The best performance in the reduction of the organic matter was observed for Polygonum sp...
April 27, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28448169/decolorization-and-mineralization-of-amaranth-dye-using-multiple-zoned-aerobic-and-anaerobic-baffled-constructed-wetland
#9
Harvinder Kaur Lehl, Soon-An Ong, Li-Ngee Ho, Yee-Shian Wong, Farah Naemah Mohd Saad, Yoong-Ling Oon, Yoong-Sin Oon, Wei-Eng Thung, Chin-Yii Yong
The objective of this study is to determine the reduction efficiency of COD as well as the removal of color and Amaranth dye metabolites by the Aerobic-anaerobic Baffled Constructed Wetland Reactor (ABCW). The ABCW reactor was planted with common reed (Phragmite australis) where the HRT was set to 1 day and was fed with synthetic wastewater with the addition of Amaranth dye. Supplementary aeration was supplied in designated compartments of the ABCW reactor to control the aerobic and anaerobic zones. After Amaranth dye addition the COD reduction efficiency dropped from 98% to 91% while the color removal efficiency was 100%...
April 27, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28448168/management-of-textile-wastewater-for-improving-growth-and-yield-of-field-mustard-brassica-campestris-l
#10
Muhammad Yaseen, Muhammad Zahir Aziz, Aqleema Komal, Muhammad Naveed
Disposal of industrial wastewater is a current issue of urbanization. However, this problem can be sorted by using wastewater as alternate source of irrigation after the addition of some amendment. In this way, the problem of disposal of wastewater not only will be resolved but also scarcity of irrigation water can be kept off in future. Current research study was performed to evaluate the influence of different concentration of wastewater along with canal water for enhancing growth and yield of field mustard...
April 27, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28448165/phytoremediation-of-organochlorine-and-pyrethroids-pesticides-by-aquatic-macrophytes-and-algae-in-freshwater-system
#11
Ghazala Riaz, Amtul Bari Tabinda, Shakir Iqbal, Abdullah Yasar, Mateen Abbas, Abdul Muqeet Khan, Yusra Mahfooz, Mujtaba Baqar
Pesticides application in agriculture and their runoff in river water is a major environmental issue. Present study evaluated the phytoremediation potential of Eichornia crassipes, Pistia strateotes and algae (chaetomorphasutoria, sirogoniumsticticum and zygnema sp.) for organochlorine and pyrethroids pesticides. Water and plant sample were extracted by liquid phase and solid phase extraction respectively and analyzed by high performance liquid chromatography (HPLC). Eleven treatments (T1-T11) with and without plant were used for phytoremediation of organochlorine and pyrethroids pesticides...
April 27, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28448157/protein-changes-in-lepidium-sativum-l-exposed-to-hg-during-soil-phytoremediation
#12
Beata Smolinska, Agnieszka Szczodrowska, Joanna Leszczynska
Due to soil pollution by mercury the investigations have been provided to find the best technique of soil reclamation. In this study we examined Lepidium sativum L. as a plant useful for Hg phytoextraction. The simultaneous application of compost and thiosulphate was explored as a possible method of process enhancement. The investigations of plant protein changes during assisted Hg phytoextraction were also provided. The results of the study show that combined use of compost and thiosulphate significantly increased both the total Hg accumulation and its translocation to aerial plant tissues...
April 27, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28441038/phytoextraction-of-nitrogen-and-phosphorus-by-crops-grown-in-a-heavily-manured-dark-brown-chernozem-under-contrasting-soil-moisture-conditions
#13
Ikechukwu Agomoh, Xiying Hao, Francis Zvomuya
Repeated uptake of excess nutrients by crops in soils with a long history of manure application may be a viable option for reducing the nutrient levels. In this greenhouse study, we examined the effectiveness of six 40-day cycles of barley, canola, corn, oat, pea, soybean, and triticale, all grown under two moisture regimes (100% and 50% soil field capacity, SFC), at extracting nitrogen (N) and phosphorus (P) from a Dark Brown Chernozem that had received 180 Mg ha(-1) (wet wt.) of beef cattle feedlot manure annually for 38 years...
April 25, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28441036/application-of-arthrospira-spirulina-platensis-biomass-for-silver-removal-from-aqueous-solutions
#14
Inga Zinicovscaia, Liliana Cepoi, Tatiana Chiriac, Tatiana Mitina, Dmitrii Grozdov, Nikita Yushin, Otilia Culicov
The cyanobacterium Arthrospira (Spirulina) platensis was used to study the process of silver biosorption. Effects of various parameters such as contact time, dosage of biosorbent, initial pH, temperature, and initial concentration of Ag(I) were investigated for a batch adsorption system. The optimal biosorption conditions were determined as pH 5.0, biosorbent dosage of 0.4 g, and initial silver concentration of 30 mg/L. Equilibrium adsorption data were analyzed by the Langmuir and Freundlich models - however, the Freundlich model provided a better fit with the experimental data...
April 25, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28441035/arsenic-and-fluoride-removal-by-potato-peel-and-rice-husk-pprh-ash-in-aqueous-environments
#15
Sadia Bibi, Abida Farooqi, Azra Yasmeen, Muhammad Aqeel Kamran, Nabeel Khan Niazi
Finding appropriate adsorbent may improve the quality of drinking water in those regions where arsenic (As) and fluoride (F(-)) are present in geological formations. In this study, we evaluated the efficiency of potato peel and rice husk ash (PPRH-ash) derived adsorbent for the removal of arsenic and fluoride from contaminated water. Evaluation was done in batch adsorption experiments and the effect of pH, initial adsorbate concentration, contact time and adsorbent dose were studied. The characterization of adsorbents were done using scanning electron micropcope (SEM) and Fourier transform infrared (FTIR) spectroscopy...
April 25, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28441031/lead-accumulation-and-distribution-in-maize-seedlings-relevance-to-biomass-sproduction-and-metal-phytoextraction
#16
Dmitry I Bashmakov, Alina N Kluchagina, Przemysław Malec, Kazimierz Strzałka, Alexander S Lukatkin
Among trace metals, lead is a highly toxic contaminant, being hazardous to humans and animals. Application of maize plants for phytoremediation of polluted soils and waters has recently been of particular interest. The aim of this work is to investigate the Pb-phytoextraction potential of the maize cv. Tzariza used widely in Eastern European agriculture. Maize seedlings were exposed in a nutrient solution to 0.1 - 10000 µM of Pb2+ for 21 days. Lead accumulated mostly in conductive tissues and shoots at 0...
April 25, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28436692/rhizospheric-soil-enzyme-activities-and-phytominimg-potential-of-aeluropus-lagopoides-and-cyperus-conglomeratus-growing-in-contaminated-soils-at-the-banks-of-artificial-lake-of-reclaimed-wastewater
#17
Zahid Khorshid Abbas
This work investigates the phytoremediation potential of Aeluropus lagopoides and Cyperus conglomeratus, growing indigenously in the vicinity of artificial lake of reclaimed water in Tabuk, Saudi Arabia. The sampling sites were located at different distance from the waste water treatment plants. Trace metal contents were higher in roots than shoots in both these plants. Soil urease activity in rhizophere increased linearly along the sampling sites, however, soil alkaline phosphatase and β-glucosidase activities was greater at site 2 but were declined at site 3...
April 24, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28436685/factors-affecting-the-performance-of-horizontal-flow-constructed-treatment-wetland-vegetated-with-cyperus-papyrus-for-municipal-wastewater-treatment
#18
Sohair I Abou-Elela, Mohamed A Elekhnawy, Magdy T Khalil, Mohamed S Hellal
The effect of hydraulic loading rate (HLR) and hydraulic retention time (HRT) on the bioremediation of municipal wastewater using a pilot scale subsurface horizontal flow constructed treatment wetland (HFCTW) vegetated with Cyprus papyrus was investigated. Three different HLRs were applied to the treatment system namely; 0.18, 0.10 and 0.07 m(3)/m(2). d with corresponding HRTs of 1.8, 3.2 and 4.7 days, respectively. The flow rate was 8 m(3)/ d and the average organic loading rate (OLR) was 0.037 kg BOD/m(3)/d...
April 24, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28436682/kinetics-biochemical-and-factorial-analysis-of-chromium-uptake-in-a-multi-ion-system-by-tradescantia-pallida-rose-d-r-hunt
#19
Vibha Sinha, Kannan Pakshirajan, N Arul Manikandan, Rakhi Chaturvedi
Effluent from electroplating and leather industries is a major concern for the environment due to the presence of chromium (Cr) and other ions, such as sulphate, nitrate, phosphate, etc., which needs to be regulated prior to its discharge into the environment. This study evaluated the potential of Tradescantia pallida, a plant species known for its Cr bioaccumulation, for the simultaneous removal of Cr(6+), SO4(2-), NO3(-) and PO4(3-). Different combination levels of Cr(6+) and the co-ions were planned as per the Plackett-Burman design of experiments performed using hydroponics system...
April 24, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28436678/nanotoxicity-modelling-and-removal-efficiencies-of-znonp-with-consortium
#20
Şeyda Fikirdeşici Ergen, Esra Üçüncü Tunca
In this paper the aim is to model the toxic effect of zinc oxide nanoparticles (ZnONP) and is to analyze the removal of ZnONP in aqueous medium by the consortium consisted of Daphnia magna and Lemna minor. Three separate test groups are formed: L. minor (L), D. magna (D) and L.minor+D.magna (L+D) and all these test groups are exposed to three different nanoparticle concentrations (0.3;3.0 and 30.0 mg L(-)(1)). Time-dependent, concentration-dependent and group-dependent removal efficiencies are statistically compared by non-parametric Mann-Whitney U test and statistically significant differences are observed...
April 24, 2017: International Journal of Phytoremediation
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