Activated Carbon From Palm Fibres Used as an Adsorbent for Methylene Blue Removal

Maia, Lana S.; Silva, Andressa I. C. da; Carneiro, Emanuel; Monticelli, Francisco Maciel; Pinhati, Fernanda Romanholi; Mulinari, Daniella Regina

doi:10.1007/s10924-020-01951-0

Cited by 57 publications

(17 citation statements)

References 51 publications

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“…However, an increase in the initial MB concentration resulted in coverage of the adsorbent surface by MB molecules, causing in a decline in MB adsorption. This is a common phenomenon in the adsorption process and revealed in results of previous studies on removal of MB by acid-treated banana peel [32], chemically activated Palm fibers [24], and Parthenium hysterophorus (an agricultural waste) [7].…”

Section: Effect Of Phmentioning

confidence: 72%

“…The band near 3428 cm -1 in the FTIR of BB shows the existence of -OH groups in BB (Figure 1(a)). The bands in the region 2922 cm -1 and 2852 cm -1 could be due to the asymmetrical and symmetrical stretching vibrations of the CH 2 group with a saturated carbon [24]. The peak around 1640 cm −1 may either be ascribed to C=C stretching of alkene or N-H bending of amine [23].…”

Section: Resultsmentioning

confidence: 97%

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Adsorptive Removal of Methylene Blue Dye Using Biowaste Materials: Barley Bran and Enset Midrib Leaf

Mekuria

Diro

Melak

et al. 2022

Journal of Chemistry

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In this study, several biowaste materials are screened for adsorptive removal of methylene blue (MB) from synthetic water. Among the tested adsorbents, barley (Hordeum vulgare) bran (BB) and enset (Ensete ventricosum midrib leaf, EVML) were selected for further evaluation of MB (a model cationic dye) adsorption. Batch MB adsorption performance of BB and EVML adsorbents was significantly high in a wide pH range (4-9). The well fitting of experimental data with pseudosecond-order kinetic model suggests a monolayer adsorption of MB. The MB adsorption onto both adsorbents was fit well with the Langmuir isotherm model with maximum MB adsorption capacities of 63.2 mg/g (BB) and 35.5 mg/g (EVML). The biowaste materials exhibit considerable adsorption capacity for cationic dye (MB), perform well under acidic and basic conditions, and are reusable. Therefore, the use of these materials as adsorbents may have an environmental benefit in terms of the conversion of wastes into valuable materials. Further studies are suggested to investigate the performance of these adsorbents in a continuous mode using real wastewater.

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Section: Effect Of Phmentioning

confidence: 72%

Section: Resultsmentioning

confidence: 97%

Adsorptive Removal of Methylene Blue Dye Using Biowaste Materials: Barley Bran and Enset Midrib Leaf

Mekuria

Diro

Melak

et al. 2022

Journal of Chemistry

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“…The effect of pH on BG onto YB and A-AYB elimination from aqueous solution is shown in The attraction between cationic dye molecules BG and abundant HOions at alkaline pH levels may be responsible for the substantial increase in adsorption. BG sorption onto modified mesoporous clay [25] and vegetal fiber activated carbons [26] and vegetal fiber activated carbons has also been shown to have similar results.…”

Section: Effect Of Ph On Bg Adsorptionmentioning

confidence: 78%

إزالةٌ فعَّالة لإمتزاز الصبغة الخضراء الفاقعة من المحاليل المائية بواسطة البنتونايت والبنتونايت المنشط حمضياً

العواضي¹

2022

المجلة العلمية

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في البحث الحالي، تم دراسة امتزاز الصبغة الخضراء الفاقعة (BG) من المحاليل المائية عن طريق تجارب الامتزاز الدفعي على البنتونايت اليمني (YB) والبنتونايت المنشط بالحمض (A-AYB). الدراسات المتعلقة بالعوامل المؤثرة على السعة الامتزازية لـ (YB) و( A-AYB) على سبيل المثال: الجرعة الممتزة، تركيز الصبغة الأولية، درجة الحموضة، القوة الأيونية، درجة الحرارة وزمن الاتزان دُرست ونُقشت بشكل منهجي. وأظهرت النتائج أن (YB) أظهرت قدرات امتزاز عالية نحو الأصباغ القاعدية في حين أظهرت (A-AYB) قدرات أمتزاز أقل من(YB). تم تحليل بيانات الحركية باستخدام نماذج نظام الرتبة الأول ونظام الرتبة الثانية. تم دراسة بيانات الايسوثيـــرم طبقا لمعـــــــــادلات لانجمير Langmuir فريندليش Freundlich. تم حساب عوامل الديناميكية الحرارية ΔG°، ΔH° و ΔS° لإمتزاز صبغة BG على YB و A-AYB؛ وأظهرت قيمة ΔG° الطبيعة التلقائية لامتزاز كل من المواد الماصة تحت الدراسة.

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“…Besides, another study by Maia et al [10] developed the utilization of activated carbon from the palm fibers to remove methylene blue. The resulting adsorption efficiency in removing methylene blue was 89.88% and 95% at 25 mg/L with the sheath and stem's activated carbon.…”

Section: Introductionmentioning

confidence: 99%

Activated Carbon from Palmyra Palm Peel as an Alternative Adsorbent for Removing Heavy Metal Ions Fe(III) and Cr(VI) in Industrial Waste

Prastuti¹,

Kurniati²,

Septiani³

et al. 2023

Int. J. Adv. Sci. Eng. Inf. Technol.

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Palmyra palm peel served as raw material for preparing activated carbon. In addition to its high cellulose content, palmyra palm shells are also easily found in Gresik and Tuban, East Java. Palmyra palm shell is also an abundant solid waste with low economic value, so using palmyra palm shells as raw material for activated carbon production is low cost to reduce the contaminant in liquid waste. This experiment aims to determine the effectiveness of palmyra palm peel as a bio-adsorbent for heavy metal ions Fe(III) and Cr(VI) in industrial waste. This research was conducted through 3 processes: chemical activation, carbonization, and adsorption. The methods used in this study consisted of pre-treatment, activation of raw materials, manufacture of standard solutions, calibration of standard solutions, and adsorption of heavy metals from textile waste. The carbons' activation was conducted at 600 and 700 o C in the presence of KOH as the activating agent. The results are a water content of 17.50% and an ash content of 8.37%. The moisture content and ash produced results comply with the SII and SNI 06-3730-1995 standards. The carbon produced at 700 o C has a better adsorption performance than that produced at 600 o C. The maximum removal efficiency for Fe(III) was 95.25, and Cr(VI) was 89.7%. Two wellknown equations, Langmuir and Freundlich, were used to correlate the experimental adsorption data. Langmuir equation could represent the data better than Freundlich with an R 2 value close to unity.

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Activated Carbon From Palm Fibres Used as an Adsorbent for Methylene Blue Removal

Cited by 57 publications

References 51 publications

Adsorptive Removal of Methylene Blue Dye Using Biowaste Materials: Barley Bran and Enset Midrib Leaf

Adsorptive Removal of Methylene Blue Dye Using Biowaste Materials: Barley Bran and Enset Midrib Leaf

إزالةٌ فعَّالة لإمتزاز الصبغة الخضراء الفاقعة من المحاليل المائية بواسطة البنتونايت والبنتونايت المنشط حمضياً

Activated Carbon from Palmyra Palm Peel as an Alternative Adsorbent for Removing Heavy Metal Ions Fe(III) and Cr(VI) in Industrial Waste

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