Uptake of Methyl Red dye from aqueous solution using activated carbons prepared from Moringa Oleifera shells

Khalfaoui, Amel; Bouchareb, Esma Mahfouf; Derbal, Kerroum; Boukhaloua, Souheila; Chahbouni, Bouchra; Bouchareb, Raouf

doi:10.1016/j.clce.2022.100069

Cited by 13 publications

(3 citation statements)

References 37 publications

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“…The band at 1593 cm −1 was assigned to the aromatic ring vibration of the alkenes group (C C). 24 Peaks at 2913 and 2918 cm −1 were present before and after adsorption and they were caused by the C–H bond stretching on the surface of the hydrogel membrane. 25 The presence of (O–H) stretching vibration peak was observed at 3308 cm −1 , which shifted to 3325 cm −1 after adsorption.…”

Section: Resultsmentioning

confidence: 98%

Preparation and dye adsorption properties of activated carbon/clay/sodium alginate composite hydrogel membranes

Ullah,

Ali,

Khan

et al. 2024

RSC Adv.

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Section: Resultsmentioning

confidence: 98%

Preparation and dye adsorption properties of activated carbon/clay/sodium alginate composite hydrogel membranes

Ullah,

Ali,

Khan

et al. 2024

RSC Adv.

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“…PFO provided the best kinetic fit for the adsorption of RBBR on DPSAC (RMSE = 10.11, R 2 values between 0.9439 and 0.9949). Other dyes that were removed by AC derived from the leguminous tree Adenanthera paronina 45 and the shells of the drumstick tree Moringa Oleifera 46 were also best described by assuming a PFO. Increasing the initial concentration of RBBR from 25 to 300 mg/L decreased k 1 and k 2 from 0.0227 to 0.0063 min −1 and from 0.00025 to 0.00001 g mg −1 min −1 , respectively.…”

Section: Resultsmentioning

confidence: 99%

Production of activated carbon from date palm stones by hydrothermal carbonization and microwave assisted KOH/NaOH mixture activation for dye adsorption

Aloud,

Alharbi,

Hameed

et al. 2023

Sci Rep

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Date palm stones are regarded as possible alternatives to activated carbon (AC) precursors with high potential for various environmental applications. In this research study, date palm stones derived activated carbon (DPSAC) was used as adsorbent for removing toxic remazol brilliant blue R (RBBR). The synthesis of DPSAC involved a chemical treatment using KOH and NaOH (1:1). Characterization of DPSAC revealed that it exhibited a BET surface area of 715.30 m2/g, Langmuir surface area of 1061.93 m2/g, total pore volume of 0.39 cm3/g, and average pore diameter of 2.15 nm. Adsorption uptake of RBBR increased (from 24.54 to 248.54 mg/g), whereas the removal percentage decreased (from 98.16 to 82.85%) when the initial RBBR concentration increased (from 25 to 300 mg/L). The adsorption process performed best under acidic conditions (pH 3), with an RBBR uptake of 98.33 mg/g. Because of the high R2 values (0.9906 and 0.9779) and low average errors (6.24 and 13.95%), this adsorption process followed the Freundlich isotherm and pseudo-first-order (PFO) models, respectively. The Langmuir adsorption capacity (Qm) was 319.63 mg/g. Thermodynamic parameters were − 11.34 kJ/mol for ∆H° (exothermic in nature), 0.05 kJ/mol K for ∆S° (increasing randomness level at solid–liquid interface), − 27.37 kJ/mol for ∆G° (spontaneous), and 6.84 kJ/mol for Ea (controlled by physisorption).

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“…Các thành phần này chứa các nhóm chức khác nhau như cacboxyl, hydroxyl, amido-xyanogen [14] và biopolyme [15], đóng vai trò một vai trò quan trọng trong việc sử dụng làm chất hấp phụ để loại bỏ các chất ô nhiễm trong dung dịch nước. Một số nghiên cứu của các tác giả cho thấy tính chất hấp phụ tốt của vật liệu hấp phụ được điều chế từ vỏ cam để loại bỏ MB từ nước thải với dung lượng hấp phụ từ 7,57 đến 218 mg.g -1 hoặc vật liệu biến đổi nhiệt và vật liệu biến đổi hóa học [16], [17], [18], [19]. Trong nghiên cứu này, vật liệu carbon mới từ lượng vỏ cam, kinh tế và thân thiện với môi trường được tổng hợp bằng phương pháp nung để biến tính bề mặt vỏ cam dùng làm vật liệu để hấp phụ MB từ nước thải.…”

Section: Giới Thiệu Chungunclassified

Investigation on the methylene blue adsorbability of biomass carbon derived from orange peels

Nguyen Thi Lan,

Huynh Thi Kim Khuu,

Ho Nguyen Chieu Dong

et al. 2023

Vietnam j. catal. adsorp.

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This study exposes the low-cost adsorbent with the preparation of nanoparticle carbon from orange peel. The orange peels were subjected to pyrolyze from 700 oC to 900 oC for 5 hours in argon gas. FTIR, Raman, TEM and BET methods characterized the effects of functional groups and surface area of adsorbents. The carbon was used for methylene blue (MB) adsorption from an aqueous solution. Various parameters affecting the adsorption process were investigated, including pH (2 ÷ 10) and initial MB concentration (100 ÷ 300 mg/L). The optimum pH of 4.0 for MB adsorption was obtained. A period of 4 hours was required to reach the equilibrium adsorption of MB. The adsorption process of MB on the carbon from orange peel is consistent with the Langmuir isotherm model.

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Uptake of Methyl Red dye from aqueous solution using activated carbons prepared from Moringa Oleifera shells

Cited by 13 publications

References 37 publications

Preparation and dye adsorption properties of activated carbon/clay/sodium alginate composite hydrogel membranes

Preparation and dye adsorption properties of activated carbon/clay/sodium alginate composite hydrogel membranes

Production of activated carbon from date palm stones by hydrothermal carbonization and microwave assisted KOH/NaOH mixture activation for dye adsorption

Investigation on the methylene blue adsorbability of biomass carbon derived from orange peels

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