Characterization of activated carbon prepared by phosphoric acid activation of olive stones

Yakout, Sobhy M.; El-Deen, G. Sharaf

doi:10.1016/j.arabjc.2011.12.002

Cited by 495 publications

(224 citation statements)

References 30 publications

Supporting

Mentioning

201

Contrasting

Unclassified

Order By: Relevance

“…8b elucidates the presence of two weak bands at 3841 and 3741 cm -1 which can be assigned to O-H stretching mode of the hydroxyl group [39]. The spectrum also revealed the presence of an overlapping broad peak at 1175 cm -1 which indicate C-O stretching of ester, ether and phenol as well as an intense band at 501 cm -1 which can be attributed to C-C stretching.…”

Section: Fourier Transform Infrared Spectroscopy (Ftir) Analysismentioning

confidence: 85%

“…The raw PKS resulted in a finely similar spectrum to the spectrum of PKSAC with a broad peak present at 3437 and 3441 cm -1 , respectively, which can be assigned to O-H bonding due to the bonded hydroxyl on the sample surfaces. Studies have found that the hydrogen bond existing in the raw PKS was reduced by phosphoric acid resulting into a reduction of hydrogen bond in PKSAC [39]. …”

Section: Fourier Transform Infrared Spectroscopy (Ftir) Analysismentioning

confidence: 99%

See 1 more Smart Citation

Synthesis and characterization of magnetic activated carbon developed from palm kernel shells

Anyika

Asri

Majid

et al. 2017

Nanotechnol. Environ. Eng.

View full text Add to dashboard Cite

Magnetic activated carbon (MG-AC), a solid product made by dispersing magnetic substrates on AC, is gaining attention for the removal of heavy metals from wastewater due to its favorable physico-chemical properties such as enhanced surface area and magnetic properties, respectively. However, the effects of two contrasting substrates, i.e., metal solution and metal particles, for the synthesis of MG-AC to obtain enhanced magnetic property have not been considered. The MG-AC was prepared by incorporating Fe 3 O 4 into the AC from two different sources of iron: Fe 3 O 4 extracted from electric arc furnace slag and from a ferric chloride/ferrous sulfate solution, to produce magnetic palm kernel shell from slag (MG-PKSS) and magnetic palm kernel shell from iron suspension (MG-PKSF), respectively. The adsorbent samples were characterized using Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis, X-ray diffraction, electron microscopy, i.e., SEM and FESEM, energy-dispersive X-ray, nitrogen adsorption, vibrating sample magnetometer. The results showed that the MG-PKSF had a greater BET surface area of 257 m 2 g -1 , a pore volume of 0.1124 cc g -1 and higher magnetic properties with a magnetic saturation of 49.55 emu g -1 relative to the MG-PKSS. The FTIR spectrum of the MG-PKSF illustrated the intense OH bending at 1629 cm -1 which can be attributed to the presence of oxygen in the samples. The absorption bands at 1093 and 579 cm -1 indicated the presence of C-O stretching and metal-oxygen (M-O) bands due to the interaction of iron and oxygen. Therefore, the MG-PKSF presented better characteristics for heavy metal removal from wastewater relative to the MG-PKSS, thereby suggesting that the raw material (metal solution) for impregnation played a crucial role in enhancing the quality of the MG-AC.

show abstract

Section: Fourier Transform Infrared Spectroscopy (Ftir) Analysismentioning

confidence: 85%

Section: Fourier Transform Infrared Spectroscopy (Ftir) Analysismentioning

confidence: 99%

Synthesis and characterization of magnetic activated carbon developed from palm kernel shells

Anyika

Asri

Majid

et al. 2017

Nanotechnol. Environ. Eng.

View full text Add to dashboard Cite

show abstract

“…Various studied by researchers has been conduct on raw and activated carbon agricultural waste [50] such as sugarcane bagasse [8,18,[50][51][52][53][54][55], olive stone [56], date pits [20],langsat peel [34], apple waste [42], macadamia shell [57], rice husk [52], orange peel [58], prosopis juliflora plant [59], bamboo [60], corncob [41], coffee residue [61], pomegranate peel [1,32], coconut shell [11,62] etc. These agricultural waste have been investigated for various dye removal from aqueous solution such as basic dye [15,[63][64], direct dye [11], benzidine-based dye [6], reactive dye [47,65] and others.…”

Section: Agricultural Wastementioning

confidence: 99%

Factor Affecting Textile Dye Removal Using Adsorbent From Activated Carbon: A Review

2017

View full text Add to dashboard Cite

Abstract. Industrial company such as textile, leather, cosmetics, paper and plastic generated wastewater containing large amount of dye colour. The removal of dye materials are importance as the presence of this kind of pollutant influence the quality of water and makes it aesthetically unpleasant. As their chemical structures are complicated, it is difficult to treat dyes with municipal waste treatment operations. Even a small quantity of dye does cause high visibility and undesirability. There have been various treatment technique reviewed for the removal of dye in wastewater. However, these treatment process has made it to another expensive treatment method. This review focus on the application of adsorbent in dye removal from textile wastewater as the most economical and effective method, adsorption has become the most preferred method to remove dye. The review provides literature information about different basis materials used to produce activated carbon like agricultural waste and industrial waste as well as the operational parameters factors in term of contact time, adsorbent dosage, pH solution and initial dye concentration that will affect the process in removing textile dye. This review approach the low cost and environmental friendly adsorbent for replacing conventional activated carbon.

show abstract

“…Peak at 520.5 cm indicates the presence of C-Br stretch bonds of alkyl halides. The most important changes brought in activated char by the addition of phosphoric acid are the development of C-H vibrations, possibly due to the loss of oxygen at the surface of carbon material (Yakout and El-Deen, 2016). From the SEM images shown in Fig.…”

Section: Resultsmentioning

confidence: 99%

Comparative study of central composite and Box-Behnken design for the optimization of malachite green dye adsorption onto Sal seed activated char

Singh¹,

Soni²,

Singh³

2017

JEB

View full text Add to dashboard Cite

Aim : Methodology :Results : Interpretation :Malachite green dye is extensively used for coloring purpose, as therapeutic agent and as a biocide in the aquaculture industry. The presence of dye in the industrial effluents is an environmental concern, and therefore it's removal is inevitable. Sal seed activated char was utilised for the removal of dye from aqueous solution through adsorption process. The purpose of the present study was to examine and optimize the effect of adsorbent dose, pH and initial dye concentration on dye adsorption Central Composite Design (CCD) and Box-Behnken Design (BBD).Adsorbent was prepared by pyrolysing raw Sal seeds followed by chemical activation of resultant char using 85 % phosphoric acid. The characterization of activated char was done with SEM, FTIR and XRD. Batch adsorption studies were carried out at different pH, adsorbent doses and initial concentrations of malachite green dye. The experimental data were used as input in the Central Composite Design and Box-Behnken Design.The adsorption was found to be exothermic and spontaneous in the temperature range studied and followed pseudo second order kinetics. Freundlich isotherm was in good agreement with the experimental data. The percentage removal of malachite green dye increased with pH and adsorbent dose, whereas it decreased with the initial dye concentration. The optimum values obtained for the pH, adsorbate c o n c e n t r a t i o n , adsorbent dose and dye removal were -1

show abstract

Characterization of activated carbon prepared by phosphoric acid activation of olive stones

Cited by 495 publications

References 30 publications

Synthesis and characterization of magnetic activated carbon developed from palm kernel shells

Synthesis and characterization of magnetic activated carbon developed from palm kernel shells

Factor Affecting Textile Dye Removal Using Adsorbent From Activated Carbon: A Review

Comparative study of central composite and Box-Behnken design for the optimization of malachite green dye adsorption onto Sal seed activated char

Contact Info

Product

Resources

About