A starch based sustainable bio-hybrid composite for surface assimilation of methylene blue: preparation, characterization, and adsorption study

Nambiar, Anargha P.; Pillai, Rahul; Sanyal, Mallika; Vadikkeettil, Yugesh; Shrivastav, Pranav S.

doi:10.1039/d2va00274d

Environ. Sci.: Adv.

2023

DOI: 10.1039/d2va00274d

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A starch based sustainable bio-hybrid composite for surface assimilation of methylene blue: preparation, characterization, and adsorption study

Anargha P. Nambiar

Rahul Pillai

Mallika Sanyal

et al.

Abstract: Water pollution is a serious problem as it destroys food sources and contaminates drinking water and thus poses a significant challenge to develop eco-friendly wastewater treatment methodologies. In the present...

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Cited by 3 publications

References 62 publications

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Hydroxypropyl sulfonated starch and Asperlligus oryzae biomass for cationic dye adsorption: characterization, mechanism, sorption modelling

Hashem,

Aniagor,

Mohamed

et al. 2024

Biomass Conv. Bioref.

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In this work, hydroxypropyl starch sulfate (HPSS) and Aspergillus oryzae (Asp. oryzae) were successfully synthesized and investigated for aqueous methylene blue (MB) adsorption. The as-prepared adsorbents were also characterized extensively using FTIR, XRD, SEM, EDX, and BET surface area analyses to elucidate their functional, textural, and morphological properties. Also, the effects of initial dye concentration, contact time, and pH on the adsorption performance of both adsorbents were systematically investigated. Due to the significant surface area differences, the HPSS recorded a higher maximum adsorption capacity (qmax) of 52.41 mg/g at 20 mg/L initial concentration, 60 min, and pH 8.0, while the Asp. oryzae recorded a qmax of 37.26 mg/g at 20 mg/L initial concentration, 60 min, and pH 9.0. Specifically, the –SO3 groups on the HPSS shared some electrostatic affinity with the MB dye cationic center (N+ backbone), while a hydrogen bond is formed between the hydroxyl groups of the starch and N+ backbone of the MB dye. Also, the nitrogen- and oxygen-containing groups on the Asp. oryzae provided active sites for the binding of MB species. Also, the XRD spectra of the loaded HPSS showed a decrease in the sharp crystalline peaks, while no structural changes were observed in the case of loaded Asp. oryzae. Therefore, the effectiveness of the HPSS and Asp. oryzae for adsorbing MB was established in the study.

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Hydroxypropyl sulfonated starch and Asperlligus oryzae biomass for cationic dye adsorption: characterization, mechanism, sorption modelling

Hashem,

Aniagor,

Mohamed

et al. 2024

Biomass Conv. Bioref.

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Recent advancement in ionic liquid modified layered double hydroxide (IL-LDH): Progress, challenges, and future prospects

Ahmad,

Wazir,

Daud

et al. 2023

Inorganic Chemistry Communications

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Scientific and production substantiation of the effectiveness of the product for dry hoof baths

Tarasova,

Khuzin,

Mingaleev

et al. 2024

BIO Web Conf.

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This paper presents the results of a study of the adsorption activity of a developed complex product for the treatment and prevention of diseases of the distal extremities of cattle and its effectiveness with individual and group use using the method of dry hoof baths in a number of agricultural enterprises with tethered and freestall housing of cattle. It was shown that the developed product has a porous structure and a wide range of adsorption. The main cause of infection causing mass lesions of the fingers and hooves of cattle in the surveyed agricultural enterprises was an increase in the threshold number of the diversity of saprophytic and opportunistic microorganisms transmitted directly from one animal to another. Associations of bacteria and micromycetes determined the cause of the occurrence and spread of infectious diseases of the fingers and hooves. The test results of the developed complex product, which includes inorganic adsorbents and active substances with pronounced fungicidal, bactericidal and anti-inflammatory properties indicate the possibility of its introduction into the system of control measures with diseases of fingers and hooves in disadvantaged agricultural enterprises with both tethered and free-stall livestock keeping.

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A starch based sustainable bio-hybrid composite for surface assimilation of methylene blue: preparation, characterization, and adsorption study

Abstract: Water pollution is a serious problem as it destroys food sources and contaminates drinking water and thus poses a significant challenge to develop eco-friendly wastewater treatment methodologies. In the present...

Cited by 3 publications

References 62 publications

Hydroxypropyl sulfonated starch and Asperlligus oryzae biomass for cationic dye adsorption: characterization, mechanism, sorption modelling

Hydroxypropyl sulfonated starch and Asperlligus oryzae biomass for cationic dye adsorption: characterization, mechanism, sorption modelling

Recent advancement in ionic liquid modified layered double hydroxide (IL-LDH): Progress, challenges, and future prospects

Scientific and production substantiation of the effectiveness of the product for dry hoof baths

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