Fruit peel-based mesoporous activated carbon via microwave assisted K2CO3 activation: Box Behnken design and desirability function for methylene blue dye adsorption

Article Green & Sustainable Science & Technology

A novel natural lignocellulosic biosorbent of sunflower stem-pith for textile cationic dyes adsorption

Xutong Ma et al.

Summary: This study utilized sunflower stem-pith as a biosorbent to treat textile cationic dyes, finding that it exhibited good adsorption properties under various conditions, high recyclability, and effective adsorption of different dyes.

JOURNAL OF CLEANER PRODUCTION (2022)

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Article Chemistry, Physical

Activated biocarbons obtained from post-fermentation residue as potential adsorbents of organic pollutants from the liquid phase

Małgorzata Wiśniewska et al.

Physicochemical Problems of Mineral Processing (2022)

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Article Environmental Sciences

Review on Methylene Blue: Its Properties, Uses, Toxicity and Photodegradation

Idrees Khan et al.

Summary: The paper discusses the significant health issue of unavailability of clean drinking water in modern society, as well as the toxicity and environmental pollution caused by industrial dyes. By studying photodegradation technology to remove MB, efficient and environmentally friendly water treatment systems can be achieved. The photodegradation mechanism and factors affecting MB are summarized.

WATER (2022)

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Article Energy & Fuels

Multivariable optimization with desirability function for carbon porosity and methylene blue adsorption by watermelon rind activated carbon prepared by microwave assisted H3PO4

Ali H. Jawad et al.

Summary: The study optimized microwave activation conditions for conversion of watermelon rind into mesoporous activated carbon using a desirability function. The resulting product showed improved adsorption properties, with potential application for dye removal, particularly for methylene blue. The use of desirability function helped identify the optimal activation and dye removal conditions, indicating the method's potential for practical use.

BIOMASS CONVERSION AND BIOREFINERY (2022)

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Article Chemistry, Physical

Magnetic crosslinked chitosan-tripolyphosphate/MgO/Fe3O4 nanocomposite for reactive blue 19 dye removal: Optimization using desirability function approach

Ali H. Jawad et al.

Summary: A new nanocomposite biomaterial was developed and utilized as an adsorbent to remove a dye from water. The optimal adsorption conditions were determined using statistical optimization methods. The adsorption process followed the pseudo-second-order model and Freundlich isotherm model.

SURFACES AND INTERFACES (2022)

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Review Chemistry, Applied

Activated Carbon as Superadsorbent and Sustainable Material for Diverse Applications

Gaurav Sharma et al.

Summary: This review covers the basic properties and surface chemistry of activated carbon, as well as the adsorption process, adsorption isotherms, and adsorption kinetics. It also provides a brief description of the adsorption mechanism and the main applications of activated carbon.

ADSORPTION SCIENCE & TECHNOLOGY (2022)

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Article Agricultural Engineering

A new biosource for synthesis of activated carbon and its potential use for removal of methylene blue and eriochrome black T from aqueous solutions

Javed Ali et al.

Summary: In this study, activated carbon was prepared from Datura metel seeds and used as a bioadsorbent for the removal of cationic and anionic dyes. The results showed that the adsorption of methylene blue and Eriochrome black T was significantly enhanced with rising concentration and agitation speed, while decreased with temperature rise, with the best adsorption at 10 degrees C.

INDUSTRIAL CROPS AND PRODUCTS (2022)

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Article Multidisciplinary Sciences

High adsorption capacity of phenol and methylene blue using activated carbon derived from lignocellulosic agriculture wastes

Haitham M. El-Bery et al.

Summary: This study reports the fabrication of activated carbon adsorbents derived from lignocellulosic wastes. Both physical and chemical activation were used to modify the surface texture properties of the adsorbents. The results showed that increasing activation temperature increased the specific surface area, while increasing the amount of chemical activating agent decreased it. The adsorbent demonstrated high efficiency in adsorbing methylene blue and phenol.

SCIENTIFIC REPORTS (2022)

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Article Water Resources

Methylene blue removal using grape leaves waste: optimization and modeling

Seyyed Alireza Mousavi et al.

Summary: This study focuses on the preparation of activated carbon from grape leaves as an efficient and low-cost adsorbent for the removal of methylene blue from water. The results reveal that the initial dye concentration and adsorbent dosage are crucial factors that affect the removal efficiency of methylene blue. Both the Langmuir isotherm and second-order kinetic models accurately describe the adsorption behavior.

APPLIED WATER SCIENCE (2022)

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Article Environmental Sciences

PREPARATION AND CHARACTERIZATION OF MESOPOROUS CERIUM OXIDE FOR TOXIC AS(V) REMOVAL: PERFORMANCE AND MECHANISTIC STUDIES

Uttam Kumar Sahu et al.

Summary: The adsorption of carcinogenic pentavalent arsenic (As(V)) from an aqueous solution using mesoporous cerium oxide (MCO) was studied. MCO exhibited high adsorption capacity and could be regenerated for reuse. Electrostatic attraction and ligand exchange were identified as the main mechanisms for As(V) adsorption.

JOURNAL OF ENVIRONMENTAL ENGINEERING AND LANDSCAPE MANAGEMENT (2022)

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Article Engineering, Environmental

Mechanism enhanced active biochar support magnetic nano zero-valent iron for efficient removal of Cr(VI) from simulated polluted water

Wenwen Ji et al.

Summary: This study focused on the use of low-cost magnetic biochar adsorbent prepared from Litchi chinensis peel for the amelioration of Cr(VI) through reduction-adsorption process. The results showed that the magnetic biochar had good mesoporous nature and magnetic properties. Under the optimized conditions, the adsorbent achieved a removal efficiency of 95.38% for Cr(VI), and the adsorption mechanism was explained through XPS analysis.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2022)

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Article Environmental Sciences

The usage of orange pulp activated carbon in the adsorption of 2,4-dichlorophenoxy acetic acid from aqueous solutions

Dilek Angin et al.

Summary: This study focused on the adsorption of 2,4-dichlorophenoxy acetic acid (2,4-D) from aqueous solutions using activated carbon produced from orange pulp. The experimental data showed that the prepared activated carbon has good potential for the removal of 2,4-D from aqueous solutions.

INTERNATIONAL JOURNAL OF PHYTOREMEDIATION (2021)

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Article Engineering, Chemical

High surface area and mesoporous activated carbon from KOH-activated dragon fruit peels for methylene blue dye adsorption: Optimization and mechanism study

Ali H. Jawad et al.

Summary: In this study, dragon fruit peel was used as a precursor to produce activated carbon with high surface area and mesoporous structure. The experimental conditions for removing cationic dyes were optimized using the Box-Behnken design.

CHINESE JOURNAL OF CHEMICAL ENGINEERING (2021)

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Article Environmental Sciences

Production of activated carbon from Elaeagnus angustifolia seeds using H3PO4 activator and methylene blue and malachite green adsorption

Orhan Baytar et al.

Summary: Activated carbon was obtained from Elaeagnus angustifolia seeds and its ability to adsorb methylene blue and malachite green from aqueous solution was investigated. A high surface area activated carbon with a surface area of 1,194 m(2) g(-1) was synthesized. According to the Langmuir isotherm, the maximum adsorption capacity was found to be 72 mg/g for methylene blue and 115 mg/g for malachite green, indicating a high adsorption capacity of the synthesized activated carbon.

INTERNATIONAL JOURNAL OF PHYTOREMEDIATION (2021)

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Article

Efficiency of natural clay and titania P25 composites in the decolouring of methylene blue (MB) from aqueous solutions: dual adsorption and photocatalytic processes

Khalil Lazaar et al.

Arabian Journal of Geosciences (2021)

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Article Engineering, Environmental

Nano-zerovalent manganese/biochar composite for the adsorptive and oxidative removal of Congo-red dye from aqueous solutions

Jibran Iqbal et al.

Summary: The composite of nZVMn and PBC showed higher adsorption capacity for CR compared to PBC alone, and the addition of H2O2 further enhanced the removal efficiency. The study also revealed the formation of non-toxic inorganic acetate products during the degradation process, indicating the potential of the new adsorbent for CR removal.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Chemistry, Physical

Synthesis and characterization of magnetic ZnCl2-activated carbon produced from coconut shell for the adsorption of methylene blue

Hatice Karaer Yagmur et al.

Summary: A magnetic-activated carbon composite was synthesized and researched for its adsorption of methylene blue dye, revealing the endothermic nature of the adsorption process and the best fit with the Freundlich model. The maximum adsorption capacity of the composite was calculated as 156.25 mg/g.

JOURNAL OF MOLECULAR STRUCTURE (2021)

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Article Chemistry, Physical

One pot preparation of CeO2@Alginate composite beads for the catalytic reduction of MB dye: Effect of cerium percentage

Fadila Benali et al.

Summary: This study successfully prepared composite beads CeO2@Alginate, demonstrated good catalytic activity in reducing MB dye with NaBH4, and showed that CeO2@ALG(2%) completed the reduction of MB dye in 2 minutes with high catalytic efficiency.

SURFACES AND INTERFACES (2021)

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Article Chemistry, Multidisciplinary

Numerical desirability function for adsorption of methylene blue dye by sulfonated pomegranate peel biochar: Modeling, kinetic, isotherm, thermodynamic, and mechanism study

Ali H. Jawad et al.

Summary: The sulfonated pomegranate peel biochar (SPPBC) was developed as a promising adsorbent for the removal of methylene blue (MB) dye from contaminated water. Optimization of adsorption variables using a Box-Behnken design and numerical desirability function revealed high MB dye removal rates with potential for further applications in wastewater treatment.

KOREAN JOURNAL OF CHEMICAL ENGINEERING (2021)

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Article Chemistry, Physical

Efficiently activated carbons from corn cob for methylene blue adsorption

Ahmed Medhat et al.

Summary: In this study, activated carbon was prepared using corn cob as the raw material, and the effects of different activating agents and impregnation ratios on adsorption capacities were investigated. The prepared activated carbon showed high efficiency and superior stability in removing organic pollutants, making it a promising material for wastewater treatment.

APPLIED SURFACE SCIENCE ADVANCES (2021)

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Article Engineering, Environmental

Comparative study on methylene blue adsorption behavior of coffee husk-derived activated carbon materials prepared using hydrothermal and soaking methods

Thi Hien Tran et al.

Summary: Coffee husk in Vietnam can be utilized to produce activated carbon with high adsorption capacity for pollutants through hydrothermal carbonization. The activated carbon obtained showed significantly increased surface area and improved adsorption capacity for methylene blue compared to raw hydrochar. The activated carbon materials exhibited promising potential as sorbents for the removal of pollutants from aqueous solutions.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Engineering, Environmental

Statistical modeling and mechanistic pathway for methylene blue dye removal by high surface area and mesoporous grass-based activated carbon using K2CO3 activator

Ahmed Saud Abdulhameed et al.

Summary: The study successfully utilized grass waste biomass to produce highly porous activated carbon with favorable adsorption properties for methylene blue dye removal. By optimizing key parameters, the activated carbon showed highest adsorption capacity at 45 degrees Celsius, and the Langmuir model accurately described the adsorption equilibrium data.

JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING (2021)

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Article Environmental Sciences