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Effect of Apricot Stone Activated Carbon Adsorbent

2018-8-1 · The results showed that ASAC is an efficient adsorbent for the adsorptive removal of heavy metal ions from aqueous solutions. In this work, activated carbon was prepared from apricot stone (ASAC) waste to remove the toxic heavy metal ions (Aluminum

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Production and applications of activated carbons as

2019-8-9 · This article reviews the research undertaken on the production and application of activated carbon as an adsorbent from olive stones for wastewater treatment. Various physical, chemical and physico-chemical treatments to remove heavy metals, organics and dyes are discussed, and the resultant adsorption capacities are reported.

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Activated Olive Stones as a Low-Cost and

2021-4-23 · Activated olive stones, a by-product of the production of olive oil and table olives, were used as adsorbent, due to their significant adsorption properties, low cost (if any), abundance, ready availability (as a result of their production at the local level), good mechanical and chemical resistance andeco-compatibility at large . Although olive stones, both raw and activated, have been used as an adsorbent

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Production and applications of activated carbons as

2019-11-12 · article reviews the research undertaken on the production and application of activated carbon as an adsorbent from olive stones for wastewater treatment. Various physical, chemical and physico-chemical treatments to remove heavy metals, organics and

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Minimizing adsorbent requirements using multi-stage

2021-1-30 · The required amount of activated date stone by the two different treatments to meet the final required discharge values of MB to 0.5 %, 1%, 5%, 10 % and 20 %, and also the amounts of adsorbent required to meet the fixed set discharge concentration limits of MG to fixed values of 0.5, 1, 2, 5, 10 mg/g were investigated.

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Experimental investigation of activated carbon

2020-2-17 · This study has shown that the activated carbon prepared from apricot stone can be employed as effective adsorbent for the removal of MG in aqueous solution. The Langmuir model provided a better fit of the equilibrium adsorption data. It gave a maximum adsorption capacity of 23.80 mg/g at 25°C which increased down to 88.05 mg/g at 70°C at pH 10.

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Adsorption of Cd(II) ions from aqueous solutions

As adsorbent, activated carbon prepared from olive stone, an agricultural solid by-product was used. Different activating agent (ZnCl 2) amounts and adsorbent particle size were studied to optimize adsorbent surface area. The adsorption experiments were conducted at different parameters such as, adsorbent dose, temperature, equilibrium time and pH.

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Preparation of activated carbon from date stones by

2011-5-15 · The results revealed the feasibility to prepare activated carbon from date stone char by microwave induced KOH activation. The activation process took 8 min at the operating power of 600 W. The monolayer adsorption capacity of DSAC for MB was 316.11 mg/g, while the BET surface area and total pore volume were 856.23 m 2 /g and 0.4680 cm 3 /g, respectively.

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Simultaneous adsorption behavior of heavy metals onto

2017-11-2 · Cd(II)) from binary systems using chemically olive stone activated carbon (COSAC) as adsorbent. In order to eval-uate the adsorption capacity of COSAC to remove studied heavy metals, adsorption of metal ions in single and binary systems were conducted. Kinetics adsorption rates in bin-ary systems are very fast as compared to that in single ones

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Adsorption of Diclofenac from aqueous solution using

2016-6-29 · Activated carbon produced from olive stones gave a highest adsorption capacity. The results of the parametric study (effect of contact time, concentration and pH) were in good agreement with recent and previous studies,. BET equilibrium model described the adsorption isotherm of DCF onto ACOS more efficiently than Langmuir, Freundlich, Temkin and D-R model.

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Effect of Apricot Stone Activated Carbon Adsorbent on

52 Abeer El-Saharty et al.: Effect of Apricot Stone Activated Carbon Adsorbent on the Removal of Toxic Heavy Metals Ions from Aqueous Solutions dissolved substances from water with careful choice of adsorbent and adsorbate [10]. It involves selective retention of the adsorbates to the adsorption sites of the adsorbent [11].

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Preparation of an Adsorbent from Pumice Stone and

2013-2-3 · Activated carbon is the most extensively used adsorbent. However, the production of activated carbon is expensive, making this method economically non- efficient 7,8 . Hence, the most important challenge for applying the adsorption method to recalcitrant compounds adsorption is resulting a low-cost adsorbent which are used easily and are cost

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ADSORPTION OF CHROMIUM ION (VI) BY ACID

Abstract The activated carbon produced from olive stones was chemically activated using sulfuric acid, (OS-S), and utilized as an adsorbent for the removal of Cr(VI) from aqueous solution in the concentration range 4-50 mg/L. Adsorption experiments were carried out in a batch process and various experimental

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Adsorption studies on the treatment of textile dyeing

2007-3-20 · Activated carbon prepared from olive stone, an agricultural solid by-product, was used as adsorbent. Different amounts of activating agent (ZnCl 2) and adsorbent particle size were studied to optimise adsorbent surface area. The adsorption experiments were conducted at different process parameters such as adsorbent dose, temperature

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Why is activated carbon a good adsorbent? DXD

2020-11-4 · The activated carbon adsorption method is a method with wide application, mature technology and many kinds of adsorbed substances. As []

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The preparation and performance of lignin-based activated

2017-8-23 · Sullivan P, Moate J, Stone B,Atkinson J D,Hashisho Z,Rood M J . Physical and chemical properties of PAN-derived electrospun activated carbon nanofibers and their potential for use as an adsorbent for toxic industrial chemicals.

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Adsorbents definition of adsorbents by The Free

An adsorptive material, such as activated charcoal. American Heritage® Dictionary of the English Language, Fifth Edition. Adsorbents definition of adsorbents by The Free Dictionary. china stone; chromatography; clay; degas; dirt; dope; dope out; doped; (adsorbent

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Removal of mercury from natural gas by a new

The Canadian Journal of Chemical Engineering, published by Wiley on behalf of The Canadian Society for Chemical Engineering, is the forum for publication of high quality original research articles, new theoretical interpretation or experimental findings and critical reviews in the science or industrial practice of chemical and biochemical processes.

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Fluoride removal from aqueous solution onto

2019-6-30 · Nowadays freshwater quality deterioration and quantity depletion are rapidly increasing across the globe. Especially fluoride polluted groundwater is causing a severe shortage of water supply and public health problem. Hence, this study was designed to investigate the performance of activated carbon produced from the Catha edulis stem for the removal of fluoride from aqueous solution.

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Ali CELIK Galatasaray University Academia.edu

The resulting activated carbons with 20% ZnCl(2) solution was the best sample of the produced activated carbons from olive stone with the specific surface area of 790.25 m(2)g(-1). The results show that the produced activated carbon from olive stone is an alternative low-cost adsorbent for removing Cd(II).

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Effect of Apricot Stone Activated Carbon Adsorbent on

52 Abeer El-Saharty et al.: Effect of Apricot Stone Activated Carbon Adsorbent on the Removal of Toxic Heavy Metals Ions from Aqueous Solutions dissolved substances from water with careful choice of adsorbent and adsorbate [10]. It involves selective retention of the adsorbates to the adsorption sites of the adsorbent [11].

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Preparation of an Adsorbent from Pumice Stone and

2013-2-3 · Activated carbon is the most extensively used adsorbent. However, the production of activated carbon is expensive, making this method economically non- efficient 7,8 . Hence, the most important challenge for applying the adsorption method to recalcitrant compounds adsorption is resulting a low-cost adsorbent which are used easily and are cost

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Efficient [ formula] adsorption using peach stone

2019-3-4 · These optimized adsorbent concentration values were higher than those reported for adsorption of aurocyanide (87%), using activated carbon produced from coconut shells as precursor (1.25 g/L) 2. Furthermore, the findings suggest that higher temperatures produced activated carbon which was more effective in the adsorption of aurocyanide.

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Characterization of Activated Carbon Prepared from

2020-4-6 · activated carbon and thus can be utilized as an alternative adsorbent of commercial activated carbon. Keywords Activated carbon Peach (Prunus persica) stone Chemical activation Zinc Chloride (ZnCl2) Iodine number Methylene blue number 1. Introduction Activated carbon is a highly porous carbon material

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(PDF) Adsorption of Pb(II) from aqueous solutions

Removal of Pb and Zn from the aqueous solutions by activated carbon prepared from Dates stone. By Lazhar Belkhiri. Batch sorption of Pb(II) ions from aqueous solutions using activated carbon prepared from date stones: equilibrium, kinetic, and thermodynamic studies The use of date palm as a potential adsorbent for wastewater treatment: a

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Rhodamine B adsorption by activated carbon: Kinetic and

2009-2-24 · activated carbon 1,2. Many investigators have studied the feasibility of using inexpensive alternative materials like pearl millet husk, date pits, saw and buffing dust of leather industry, coir pith, crude oil residue, tropical grass, olive stone, almond shells,

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Adsorption of aqueous Cd(II) and Pb(II) on activated

2015-8-28 · Non-uniformly sized activated carbons were derived from doum palm shell, a new precursor, by carbonization in air and activation using KOH, NaOH and ZnCl2. The activated carbon fibres were characterised by X-ray diffraction, N2 adsorption–desorption, scanning electron microscopy, particle size analysis and evaluated for Cd(II) and Pb(II) removal. The 40–50 nm size, less graphitic

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Application of optimized large surface area date stone

2017-2-3 · Application of optimized large surface area date stone (Phoenix dactylifera ) activated carbon for rhodamin B removal from aqueous solution: Box-Behnken design approach. Danish M(1), Khanday WA(2), Hashim R(3), Sulaiman NS(3), Akhtar MN(4), Nizami M(5).

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Adsorption Kinetics for the Removal of Hazardous

Activated carbon is the most widely used adsorbent with great success due to its large surface area, microporous structure, and high-adsorption capacity. However, its use is limited because of its high cost. This has led to search for cheaper substitutes .

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Organic pollutants in water and its remediation using

2018-6-2 · and pomegranate peel,22,23 Apricot Stone,24,25 rice husk,26 corn cob,27 etc. Activated carbon prepared from biomass apricot stone shells was found to remove of 2, 4-dinitrophenol with an adsorption capacity of 232 mg/g.28 Monolayer adsorption of oxamyl with adsorption capacity of 147.05mg/g was also studied using apricot stone activated carbon.24