Modified ginkgo leaves for adsorption of methyl violet and malachite green dyes in their aqueous system

Peng, Lincai; Gao, Jing; Yao, Shun; Lan, Xianqiu; Li, Huaiping; Song, Hang

doi:10.5004/dwt.2020.26236

Cited by 7 publications

(1 citation statement)

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“…"H-type and L-type stimulated active carbon are the two types. When injected into water or handled with strong acids, H-type carbon takes on positive charges and is classified as hydrophobic (Peng et al, 2020). The L-type carbon is a more powerful solid acid than the H-type carbon, which has a negative charge in water and can neutralise strong bases while remaining hydrophilic".…”

Section: Application Of Activated Carbon In Purifying Watermentioning

confidence: 99%

A Study Into the Alteration of Physical and Chemical Characteristics of Activated Carbon Surface for Purifying Water

Chouhan¹

2022

EEC

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The most common applications of activated carbon in today’s world are process water treatment, commercial and industrial wastewater treatment, and air/odour abatement. When transformed to activated carbons, carbonaceous source materials have the potential to efficiently cleanse and eliminate a wide range of pollutants from water and wastewater streams. With over 1,000 recognized uses, activated carbon’s potential is limitless. AC may be tailored to satisfy a wide range of unique purposes, from gold mining to water purification, and food manufacturing. Non-polar adsorbents like activated carbon work well. It may be used with a range of substances to adsorb diverse qualities of wastewater due to its large specific surface area and micropore, high adsorption performance, and recycling. This research aimed to look into the influence of chemical surface features on activated carbons’ application in water purification.

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Section: Application Of Activated Carbon In Purifying Watermentioning

confidence: 99%

A Study Into the Alteration of Physical and Chemical Characteristics of Activated Carbon Surface for Purifying Water

Chouhan¹

2022

EEC

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Optimized Ginkgo leaf biochar: An efficient adsorbent for 2,4‐D herbicide removal from wastewater

Ma,

Song,

Wang

et al. 2024

Water Environment Research

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This research exploited biochar, sourced from Ginkgo leaves (GLs), to facilitate the adsorption of 2,4‐dichlorophenoxyacetic acid (2,4‐D) in aqueous environments. The results reveal that GL biochar, activated with ZnCl2 at a temperature of 500°C (500‐ZGBC), demonstrated the greatest specific surface area (SBET) of 536.0 m2 g−1 for 2,4‐D adsorption. The biochar's properties, including specific surface area, morphology, structure, thermal stability, and functional groups, were analyzed. Additionally, studies of kinetic and isotherm profiles were conducted, yielding the highest recorded adsorption capacity of 281.8 mg g−1. Pore filling, hydrogen bonding, π‐π interactions, surface complexation with Zn groups, and electrostatic interactions contribute significantly to the adsorption performance of 500‐ZGBC for 2,4‐D. Optimal adsorption was determined to occur at pH 2.117, with a dose of 0.4230 g L−1 of 500‐ZGBC, and an initial concentration of 2,4‐D at 294.7 mg L−1, as evidenced by the application of the response surface method (RSM).Practitioner Points Premium pharmaceutical‐grade biochar, derived from Ginkgo leaves, boasting a SBET of 536.0 m2 g−1 was produced. An absorption capacity reaching 281.8 mg g−1 was observed in Ginkgo leaf biochar for 2,4‐dichlorophenoxyacetic acid (2,4‐D) adsorption. The adsorption procedure was refined through the employment of response surface methodology.

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Nonlinear kinetic modeling of malachite green adsorption onto green waste bio-adsorbents using CCF- RSM

Aghdasinia

Oskui

Mirzaei

et al. 2023

Chemometrics and Intelligent Laboratory Systems

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Modified ginkgo leaves for adsorption of methyl violet and malachite green dyes in their aqueous system

Cited by 7 publications

References 50 publications

A Study Into the Alteration of Physical and Chemical Characteristics of Activated Carbon Surface for Purifying Water

A Study Into the Alteration of Physical and Chemical Characteristics of Activated Carbon Surface for Purifying Water

Optimized Ginkgo leaf biochar: An efficient adsorbent for 2,4‐D herbicide removal from wastewater

Nonlinear kinetic modeling of malachite green adsorption onto green waste bio-adsorbents using CCF- RSM

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