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  • Hydrocarbons Gas Storage on Activated Carbons

    2015214&ensp·&enspActivated carbon was recognized as best adsorbent for this purpose. Activated carbon can be based on anthracites, petroleum wastes or vegetal raw materials to be chosen as an important gas adsorbent. Precursors can be different types of vegetal grains such as olive stones

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  • Modified Activated Carbons from Olive Stones for the

    2013321&ensp·&enspKeywords : Activated carbon, Adsorption, Olive stones, Surface functional groups, Copper, Nickel 1. Introduction Heavy metals are of major concern because of their nondegradability and threat to human life and the environment. The heavy metals of most important concern are Hg, Pb, Cd,

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  • Mercury removal from aqueous solution by adsorption on

    2011219&ensp·&enspThe textural characterization of a series of activated carbons prepared from olive stones, by carbonization at different temperatures (400, 550, 700 and 850 °C) and thermal activation with CO2, has

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  • Particulate Science and Technology tandfonline

    20171017&ensp·&enspThe retention of a pharmaceutical compound, Tiemoniummethylsulfate (TIM), from aqueous solutions by adsorption onto activated carbon prepared from date stones (ACDS) was investigated. Physical and chemical characteristics of this material were also determined. Results showed that pH 8 was optimal for TIM adsorption.

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  • Characterization of activated carbon prepared by

    Activated carbon is also among the potential conversions, with appliions in the removal of dyes, odors, tastes, and contaminants, in water purifiion and other decontamination processes (Matos et al., 2010). Olive stone is a lignocellulosic material, with hemicellulose, cellulose and lignin as the main components.

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  • Chromium adsorption in olive stone activated carbon

    200582&ensp·&enspAbstract. In this work, Cr(III) adsorption on activated carbon obtained from olive stones in an upflow fixedbed column at 30 ∘ C was studied. The flow rate influence on the breakthrough curves at a feed concentration of 0.87 meq/L was investigated in an attempt to minimize the diffusional resistances.

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  • Comparison of activated carbon prepared from olive stones

    20131015&ensp·&enspActivated carbon with high surface area was prepared from olive stone by microwave heating (MHOS) for the removal of a group of heavy metals Fe 2+, Pb 2+, and Cu 2+ from synthetic wastewater. As a comparison, activated carbon was also prepared by

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  • —activated carbon

    201264&ensp·&ensp2003 Production of granular activated carbon from fruit stones and nutshells and evaluation of their physical, chemical and adsorption properties Almond, walnut, hazelnut

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  • Production of Activated Carbon from Green Chemistry

    20151228&ensp·&enspactivated carbon exhibited excellent properties such as low ash content, large surface area, high adsorption and electrochemical performances. The waste water produced in this process was Production of Activated Carbon from Natural Sources Abstract Activated carbon is an adsorbent in the separation and purifiion industries.

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  • Adsorption Properties of Activated Carbons Prepared

    201831&ensp·&enspAdsorption Properties of Activated Carbons from Olive Stones 29 Techniques The adsorption of nitrogen at 77 K and of carbon dioxide at 273 K was studied using a Micromeritics Gemini III 2375 instrument. Prior to any measurement, the solids were heated overnight at

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  • activated stone carbon eBay

    Find great deals on eBay for activated stone carbon. Shop with confidence.

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  • Kinetics and equilibrium of phosphate adsorption onto

    2017829&ensp·&enspThe present study was performed to investigate the preparation of activated carbon from date stones for its possible use in removing phosphates ions from aqueous solution. Date stones activated carbon (DSAC) was prepared by chemical activation using sulfuric acid as activating agent.

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  • Preparation and Characterization of Activated Carbon

    2017816&ensp·&enspwere conducted by mixing 0.1 g of each, prepared activated carbon and commercial activated carbon separately with 100 ml of 100, 150, 200 and 250 mgL1 methylene blue solution. After shaking for 24 hours,the suspensions were filtered and methylene blue residual concentration was measured at 660 nm

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  • Adsorption of Pb (II) and Cu (II) from Aqueous Solution

    2015214&ensp·&enspFTIR analysis of activated carbon of dates stones. B. Effect of pH The pH value of the aqueous solution is an important controlling parameter in the adsorption process. These pH values affect the adsorbent surface charge, the degree of ionization and speciation of adsorbate during adsorption.

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  • Activated Carbon SigmaAldrich

    2018126&ensp·&enspActivated carbon is an internally porous microcrystalline, nongraphitic form of carbon. 1 The activation of carbons involves the exposure of carbon to an atmosphere of CO 2, CO, O 2, H 2 O vapor and sometimes other specified gases, at temperatures between 300°C and 800°C.

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  • Effects of Activating Agents on the Activated Carbons

    2017816&ensp·&enspbeing extensively used to prepare activated carbon because of their availability in large quantities at low cost 9,10. Recently, activated carbons have been commonly produced from waste products such as olive stones 11, almond shells 12, walnut shell 13, cherry stone 14, apricot stone 15, sugarcane bagasse 16 etc.

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  • Hazarous07Adsorption of methylene blue

    201425&ensp·&enspAyg¨ un, S. YenisoyKarakas ?, I. Duman, Production of granular activated carbon from fruit stones and nutshells and evaluation of their physical, chemical and adsorption

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  • Phenol removal using granular activated carbon from dates

    2018123&ensp·&enspGranular activated carbon (GAC was produced from dates' stones (DS) by the chemical activation method using ZnCl2, as activator. The effects of.

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  • Investigation of granular activated carbon from peach

    20091015&ensp·&enspINVESTIGATION OF GRANULAR ACTIVATED CARBON FROM PEACH STONES 467 Results and discussion Effect of pH on gold adsorption Gold adsorption on peach granular activated carbon and commercial granular activated carbon as a function of initial pH was studied for the pH range 1 to 12, and the results are shown in Figure 1.

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  • Sorption of Pb Ions on to Activated Carbon s Prepared

    2013321&ensp·&enspThe carbon sample O, phos phoric acidact ivated carbon OP, zinc chlorideact ivated carbon OZ, and two steam activated carbons OS and OS2 with different burnoff of 25% and 58% respectively, were prepared from olive stones.

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  • Date stone based activated carbon/graphite electrode for

    2018425&ensp·&enspThe purpose of this paper is the modifiion of a carbon paste electrode (CPE) with activated carbon synthesized from date stones using a pyrolysis system followed by physical activation. This material has the advantage of very low cost and facilitates charge transfer.

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  • Activated carbon Wikipedia

    Chinese

    2018125&ensp·&enspActivated carbon, also called activated charcoal, is a form of carbon processed to have small, lowvolume pores that increase the surface area available for adsorption or chemical reactions. Activated is sometimes substituted with active.

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  • Capacity of Activated Carbon Derived from Peach Stones by

    The present research deals with the production of activated carbon by chemical activation using peach stones and its adsorption behavior. The prepared activated carbon was used for the adsorption of three kinds of textile dyes, acid, reactive, and direct dyes, from aqueous solution.

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  • International Journal of Engineering Research and General

    2015113&ensp·&enspmodel the date stones activated carbon production process. The data ranges were selected based on the preliminary results and the literature. Table. 1. Independent variables and their coded levels for the twoLevel FFD International Journal of Engineering Research and General Science Volume 3, Issue 1, JanuaryFebruary, 2015

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  • activated stone carbon eBay

    Find great deals on eBay for activated stone carbon. Shop with confidence.

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  • Activated carbon from cherry stones ScienceDirect

    Fruit stones constitute a significant waste disposal problem for the fruitprocessing industry. Highquality activated carbon can be produced from waste cherry stones: the activated carbon is low in impurities and has an adsorption capacity that compares favorably with commercial activated carbons.

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  • Applicability of activated carbon obtained from

    2018523&ensp·&enspSimple, economical and highly sensitive electrodes for the detection of caffeine by using activated carbon from peach stones have been developed. The activated

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  • Removal of Dispersed Dyes from Aqueous

    20181028&ensp·&enspRemoval of Dispersed Dyes from Aqueous Solution Using Activated Carbon Prepared from Olive Stones_/__ 00 Removal of

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  • Activated Carbon from Dates' Stone by ZnCl Activation

    2008830&ensp·&enspKeywords: Activated carbon, phenol adsorption, activation, dates' stones, dates' pits 1. Introduction Activated carbon (AC) is an amorphous form of carbon that is specially treated to produce a highly developed internal pore structure and a large surface area, thus, producing reasonably cheap and excellent adsorbent [13]. There is a

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  • Preparation and characterization of activated carbon from

    2017517&ensp·&enspbagasse fly ash [28], peach stones [29] olivewaste cakes [30], olive stones [31], date stones [32,33] dates pits [34, 35], were chosen to prepare activated carbon successfully due to high wood fiber content. A high surface area and an adequate pore size distribution are very important for the activated carbon to perform well in a

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  • (PDF) Activated Carbon from Date Stone by ZnCl2 Activation

    A study of the effect of preparation conditions on the yield and quality of activated carbon (AC) produced from dates' stones was made using zinc chloride as an activator.

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  • Activated Carbon SigmaAldrich

    2018126&ensp·&enspActivated carbon is an internally porous microcrystalline, nongraphitic form of carbon. 1 The activation of carbons involves the exposure of carbon to an atmosphere of CO 2, CO, O 2, H 2 O vapor and sometimes other specified gases, at temperatures between 300°C and 800°C.

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  • Chemicalactivated carbons from peach stones DeepDyve

    1 Introduction Activated carbon is a carbonbased material which is not truly amorphous but has a microcrystalline structure. These materials have been used as excellent and versatile adsorbents in several gas and liquid phase appliions due to their highly

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  • Activated carbon synthesis using Moroccan dates stones

    2017517&ensp·&enspactivated carbons from different agricultural wastes using various chemical reagents, such as coconut shell combined to H 2 SO 4 [9], jatropha hull combined to ZnCl 2 [10], and olive pomace combined to KOH [11]. Few studies involve the use of date stones based activated carbon in wastewater treatment [1214] and vast

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  • Sorption studies of uranium and thorium on

    2015826&ensp·&ensp: Sorption studies of uranium and thorium on activated carbon preparedfrom olive stones: Kinetic and thermodynamic aspectsCeren Kütahyalı*, Meral

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  • Nanoporous Activated Carbon from Olive Stones Wastes

    2017113&ensp·&enspActivated carbon was prepared from stones of olive (Egazi olive cultivar sp.) using chemical and physical activation methods. Olive stones wastes (OSW) were first charred at 275°C for different lengths of time (30 60 min) without or with

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  • Activated carbon from cherry stones by chemical activation

    20161221&ensp·&enspCherry stones are utilized as a precursor for the preparation of activated carbons by chemical activation with phosphoric acid (H3PO4). The activation process typically consists of successive impregnation, carbonization, and washing stages. Here, several impregnation variables are comprehensively studied, including H3PO4 concentration, number of soaking steps, H3PO4

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  • Production of activated carbon pellets from olive stones

    201738&ensp·&enspCO 2 adsorption on the activated carbon samples were studied using a manometric adsorption method. Experiments were conducted at room temperature and in the pressure range between 1 and 23 bars. Experiments were conducted at room temperature and in the pressure range between 1

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