Removing Disperse red 60 and Reactive blue 19 dyes removal by using Alcea rosea root mucilage as a natural coagulant

Mahmoudabadi, Tahereh Zarei; Talebi, Parvaneh; Jalili, Mahrokh

doi:10.1186/s13568-019-0839-9

Cited by 28 publications

(12 citation statements)

References 36 publications

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“…The various physical and chemical methods have been used to remove these compounds from aqueous media, including adsorption, optical decomposition, solvent extraction, or chemical oxidation 11,[14][15][16] . Some of them, Ni 2 Pd/KCC-1 and Fe 3 O 4 /CeO 2 have shown a high ability to remove this compound, and NiO/UV/H 2 O 2 was able to remove 100% 4-CP [17][18][19] .…”

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confidence: 99%

4-chlorophenol removal by air lift packed bed bioreactor and its modeling by kinetics and numerical model (artificial neural network)

Azizi

Abbasi

Baghapour

et al. 2021

Sci Rep

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Abstract4-chlorophenol (4-CP) is a hazardous contaminant that is hardly removed by some technologies. This study investigated the biodegradation, and physical 4-CP removal by a mixed microbial consortium in the Airlift packed bed bioreactor (ALPBB) and modeling by an artificial neural network (ANN) for first the time. The removal efficiency of ALPBB was investigated at 4-CP(1-1000 mg/L) and hydraulic retention time (HRT)(6-96 hr) by HPLC. The results showed that removal efficiency decreased from 85 at 1 to 0.03% at 1000 mg/L, with increasing 4-CP concentration and HRT decreasing. BOD5/COD increased with increasing exposure time and concentration decreasing, from 0.05 at 1000 to 0.96 at 1 mg/L. With time increasing, the correlation between COD and 4-CP removal increased (R2 = 0.5, HRT = 96 h). There was a positive correlation between the removal of 4-CP and SCOD by curve fitting was R2 = 0.93 and 0.96, respectively. Moreover, the kinetics of 4-CP removal follows the first-order and pseudo-first-order equation at 1 mg/L and other concentrations, respectively. 4-CP removal modeling has shown that the 2:3:1 and 2:4:1 were the best structures (MSE: physical = 0.126 and biological = 0.9)(R2allphysical = 0.999 and R2testphysical = 0.999) and (R2allbiological = 0.71, and R2testbiological = 0.997) for 4-CP removal. Also, the output obtained by the ANN prediction of 4-CP was correlated to the actual data (R2physical = 0.9997 and R2biological = 0.59). Based on the results, ALPBB with up-flow submerged aeration is a suitable option for the lower concentration of 4-CP, but it had less efficiency at high concentrations. So, physical removal of 4-CP was predominant in biological treatment. Therefore, the modification of this reactor for 4-CP removal is suggested at high concentrations.

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confidence: 99%

4-chlorophenol removal by air lift packed bed bioreactor and its modeling by kinetics and numerical model (artificial neural network)

Azizi

Abbasi

Baghapour

et al. 2021

Sci Rep

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“…Nerium oleander plant also has ability to phytoextract the Cr and Ni heavy metals [29]. Alcea rosea plant has the potential to remove disperse red 60 and reactive blue 19 dye [30]. The major research work of screened plants is reported on the removal of heavy metals from the soil, as the T. erecta plant was used to remove Ni and Pb from the soil [31].…”

Section: Introductionmentioning

confidence: 99%

Screening the six plant species for phytoremediation of synthetic textile dye waste water

Kaur

Kaushal

Mahajan

et al. 2020

Preprint

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Most of the dyes are carcinogenic and mutagenic in nature. Plants are potential candidates to remediate textile dye wastewater from contaminated sites. The present study aimed toscreen potential plant species for removal of synthetic dye solution of triarylmethane dye Methylene Blue (MB) and diazo dye Congo Red (CR). Six plant species were screened for their phytoremediation ability for the removal of dyes present in synthetic wastewater. Six plants selected for screening areTrachyspermum ammi L. (T. ammi), Tagetes erecta L. (T. erecta), Hibiscus rosa-sinensis L. (H. rosa- sinensis), Chrysanthemum indicum L. (C. indicum), Bryophyllum fedtschenkoi (B. fedtschenkoi), Catharanthus roseus L. (C. roseus). The phytotreatment of dyes was done up to 40 hfortwo different concentrations of dyes 10 mg L− 1 and 20 mg L− 1. Among these plants, the maximum decolouration was obtained from T. ammi plant followed by B. fedtschenkoi plant. Both of these plants showed active growth even after the phytoremediation process. T. ammi decolourised the MB dye 99% (10 mg L− 1) and 86% (20 mg L− 1) while the decolourisation of the CR dye solution was up to 95% (10 mg L− 1) and 84% (20 mg L− 1).T. ammi found to have maximum potential among screened plants for the removal of MB and CR dye from synthetic dye solution and can be used for decolouration of synthetic dye wastewater.

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“…Glandularia pulchella explored to decolorize the dye green HE4B [24] and Ipomoea hederfolia ornamental plant able to decolorize the dye mixtures and scarlet red dye [25]. Alcea rosea plant has the potential to remove disperse red 60 and reactive blue 19 dye [26]. The researchers also explored the phytoremediation potential of Portulaca grandi ora [27], Blumea malcolmii [28], Typhonium agelliforme [29] etc for dye degradation in aqueous form.…”

Section: Introductionmentioning

confidence: 99%

Screening of plant species for phytoremediation of synthetic textile dye wastewater

Kaur¹,

Kaushal²,

Mahajan³

et al. 2020

Preprint

View full text Add to dashboard Cite

Most of the dyes are carcinogenic and mutagenic in nature. Plants are potential candidates to remediate textile dye wastewater from contaminated sites. The present study aimed to screen potential plant species for removal of synthetic dye solution of triarylmethane dye Methylene Blue (MB) and diazo dye Congo Red (CR). The six plants selected for screening are Trachyspermum ammi (T. ammi), Tagetes erecta (T. erecta), Hibiscus rosa-sinensis (H. rosa- sinensis), Chrysanthemum indicum (C. indicum), Bryophyllum fedtschenkoi (B. fedtschenkoi), and Catharanthus roseus (C. roseus). The phytotreatment of dyes was done up to 40 h for two different concentrations of dyes i.e. 10 and 20 mg L−1. Among screened plant species, the maximum decolorization was obtained from T. ammi followed by B. fedtschenkoi. Both of these plant species showed active growth even after the phytoremediation process. T. ammi decolorized the MB dye 99% (10 mg L−1) and 86% (20 mg L−1) while the decolorization of the CR dye solution was up to 95% (10 mg L−1) and 84% (20 mg L−1). T. ammi found to have maximum potential among screened plants for the removal of MB and CR dye from synthetic dye solution and can be used for phytoremediation of wastewater contaminated with synthetic dyes.

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Removing Disperse red 60 and Reactive blue 19 dyes removal by using Alcea rosea root mucilage as a natural coagulant

Cited by 28 publications

References 36 publications

4-chlorophenol removal by air lift packed bed bioreactor and its modeling by kinetics and numerical model (artificial neural network)

4-chlorophenol removal by air lift packed bed bioreactor and its modeling by kinetics and numerical model (artificial neural network)

Screening the six plant species for phytoremediation of synthetic textile dye waste water

Screening of plant species for phytoremediation of synthetic textile dye wastewater

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