adsorption of copper from water

Synthesis and Characterization of an Ion Imprinted Polymer

293 Synthesis and Characterization of an Ion Imprinted Polymer for Selective Adsorption of Copper Ions in Aqueous Solution Hui Xu1* and Donghong Guo2 1,2School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, P R China

PDF Adsorption of Copper Ions from Aqueous Solution onto

Initial elemental analysis of the husk using energy dispersive X ray showed that the biomass contained 0 1 copper in its natural form, and after adsorption, the percentage content of copper in

Removal of Copper from Water by Adsorption with Calcium

Calcium Alginate/Spent Coffee Grounds composite beads CA SCGs beads, which were made of two different proportions of alginate and spent coffee grounds 3:3 and 3:10, respectively, were used to adsorb Cu2+ in aqueous solution These beads were compared with calcium alginate beads CA beads and spent coffee grounds SCGs in terms of adsorption capacity and rate of adsorption

Adsorption of PbII ions from aqueous solutions using

Adsorption of Cu II and Zn II from water by Jatropha curcas L as biosorbent, Open Chemistry 141, 103 117 DOI: 10 1515/chem 2016 0010 Narsi, R B , Mini, B , Nivedita, S , and Asha, G 2004 Adsorption of Cr IV on activated rice husk carbon and activated alumina, Bioresource Technol 913, 305 307 DOI: 10 1016/S0960

Adsorption of copper ion from aqueous solutions by well

Jan 10, 2020 Today, techniques such as chemical precipitation, adsorption, biosorption, ion exchange, reverse osmosis and filtration are used for copper removal from water and wastewater Ding et al 2014, Ahmadi et al 2015, Cho et al 2015, Luo et al 2015, Cetinkaya 2018

ADSORPTION OF COPPER FROM AQUEOUS SOLUTION

ADSORPTION OF COPPER FROM AQUEOUS SOLUTION USING LOW COST ADSORBENT A Jafar Ahamed * and A Shajudha Begum # * PG and Research Department of Chemistry, Jamal Mohamed College, Tiruchirappalli 620 020, Tamilnadu, India # Department of Chemistry, M A M College of Engineering Technology, Tiruchirappalli 621 105, Tamilnadu, India

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Contact time required for the maximum removal of copper by bentonite is shown in Figure 2 There is steep increase in the adsorption in the initial stages of the reaction as seen in the curve Maximum adsorption occurs at the 70 th minute after which the adsorption remains uniform, represented by attainment of equilibrium The amount of copper

ADSORPTION OF COPPER II ION FROM AQUEOUS SOLUTION

The sources of water are surface water such as streams, rivers, lakes, seas and oceans, ground water such as wells, boreholes, and rain water which is obtained from the physical action of condensation of water vapour that evaporates from the surface of the earth The rain water replenishes underground and surface water

Adsorption of copper, cadmium and lead from aqueous

The adsorption of Cu II, Cd II and Pb II from aqueous solution to the kaolinite/water interface has been studied at 298 2 K as a function of both pH and ionic strength of the aqueous phase The extent of adsorption increases with increasing pH and with decreasing ionic strength Both effects can be explained by a model that assumes two kinds of binding sites: a weakly acidic groups XH

ADSORPTION OF COPPER FROM AQUEOUS SOLUTION

ADSORPTION OF COPPER FROM AQUEOUS SOLUTION USING LOW COST ADSORBENT A Jafar Ahamed * and A Shajudha Begum # * PG and Research Department of Chemistry, Jamal Mohamed College, Tiruchirappalli 620 020, Tamilnadu, India # Department of Chemistry, M A M College of Engineering Technology, Tiruchirappalli 621 105, Tamilnadu, India

Adsorption of Copper II Ions from Aqueous Solutions by

Aug 02, 2018 Ghazy S , Ragab A H , 2007 Removal of copper from water samples by sorption onto powdered limestone Indian Journal of Chemical Technology, 14: 507 514 Ouakouak A , Youcef L , 2016 Adsorption of Cu 2+ Ions on Powder Activated Carbon And A Sodique Bentonite Larhyss Journal, 2: 39 61

Adsorption Study for the Removal of Nitrate from Water

3 2 Adsorption Kinetics 3 2 1 Contact Time The capacity adsorption of nitrate ions solution 100 mg/L on an adsorbent dose 20 g/L was followed as a function of time h The results presented in Figure 5 show that the adsorption capacity of the nitrate ions increases with contact time and reaches a maximum value at 2 h After 2 h, the adsorption capacity decreases

Adsorption of copper onto goethite in aqueous systems

The adsorption of copperII onto goethite was studied as a function of pH, total dissolved copper concentration, surface area of goethite, and ionic strength The adsorption of copper was similar to that of other hydrolyzable metals

ADSORPTION OF COPPER FROM AQUEOUS SOLUTION BY

Adsorption of Copper from Aqueous Solution 183 Journal of Engineering Science and Technology AUGUST 2008, Vol 32 carbonCuSO 4 mixture were shaken using an orbital incubator shaker, which operated at 100 rpm and 30 oC ۬oC for 6 hours to attain the equilibrium condition Blank solutions were treated similarly without the adsorbent, and the recorded

PDF Removal of copper from aqueous solutions by using

Adsorption behaviour of copper from waste water has been investigated in this paper using Bagasse Copper is highly toxic metal ion and considered as a priority pollutant released from various

Adsorption of copper and zinc from aqueous solutions

In this study, removal of copper Cu2+ and zinc Zn2+ from aqueous solutions is investigated using Cankiri bentonite, a natural clay During the removal process, batch technique is used, and the effects of pH, clay amount, heavy metal concentration and agitation time on adsorption efficiency are studied Langmuir, Freundlich and Dubinin Radushkevich D R isotherms are applied in order

Adsorption of Copper Ions from Water via Activation of

The adsorption properties and capabilities of hydrothermal char are very similar to that of activated carbons In this project, three different types of hydrothermal char were tested for their adsorption properties of copper ions within water in an aqueous solution The three types of char

PDF Adsorption of Copper Ions from Aqueous Solution onto

Initial elemental analysis of the husk using energy dispersive X ray showed that the biomass contained 0 1 copper in its natural form, and after adsorption, the percentage content of copper in

Adsorption of copper and zinc from aqueous solutions

In this study, removal of copper Cu2+ and zinc Zn2+ from aqueous solutions is investigated using Cankiri bentonite, a natural clay During the removal process, batch technique is used, and the effects of pH, clay amount, heavy metal concentration and agitation time on adsorption efficiency are studied Langmuir, Freundlich and Dubinin Radushkevich D R isotherms are applied in order

Adsorption

Adsorption is the adhesion of atoms, ions or molecules from a gas, liquid or dissolved solid to a surface This process creates a film of the adsorbate on the surface of the adsorbent This process differs from absorption, in which a fluid the absorbate is dissolved by or permeates a liquid or solid the absorbent, respectively Adsorption is a surface phenomenon, while absorption involves

A novel nanocomposite membrane containing modified

The aim of this study was developing novel membranes based on polyethersulfone PES as matrix and amine functionalized cellulose nanocrystals CNC as nanofiller for copper ion and direct red 16 removal from water The surface modification of CNC was performed using 3 aminopropyltriethoxysilane APTES and confirmed by Fourier transform infrared spectroscopy and energy dispersive X ray

Removal of Zinc from waste water by using Low Cost

plastics, polyvinyl and copper refineries 2 Adsorption The classical mechanism of adsorption is divided into three steps in Fig 1 a diffusion of adsorbate to adsorbent surface, b migration into pores of adsorbent c monolayer build up of adsorbate on the adsorbent Fig 1 presents the process of adsorbate distribution

Adsorption of copper from aqueous solution onto natural

The adsorptive properties of natural sepiolite in the removal of copper Cu 2+ from aqueous solution were investigated The results show that the amount of adsorption of copper ion increases with initial copper concentration, contact time, and solution pH

Adsorption of copper from aqueous solution onto

Jan 01, 2020 The plot of t 1/2 versus q t for the adsorption of copper onto egg shell is shown in Fig 13c As it tends to be seen from Fig 13c, the intercept of the line doesn't go through the origin and the correlation coefficient R 2 was under 0 99 proposing that multiple steps were associated with the copper adsorption onto the ES The variation

Adsorption of copper ion from aqueous solutions by well

Jan 10, 2020 Today, techniques such as chemical precipitation, adsorption, biosorption, ion exchange, reverse osmosis and filtration are used for copper removal from water and wastewater Ding et al 2014, Ahmadi et al 2015, Cho et al 2015, Luo et al 2015, Cetinkaya 2018

Removal of copper ions from wastewater by adsorption onto

The adsorption data fit best to the Langmuir isotherm, compared with the Freundlich and Temkin models The analysis of variance demonstrated that the pH and the activated carbon dosage had the greatest influences on the copper adsorption The obtained activation energy suggested that the copper adsorption was physisorption

ADSORPTION OF COPPER FROM AQUEOUS SOLUTION BY

Adsorption of Copper from Aqueous Solution 183 Journal of Engineering Science and Technology AUGUST 2008, Vol 32 carbonCuSO 4 mixture were shaken using an orbital incubator shaker, which operated at 100 rpm and 30 oC ۬oC for 6 hours to attain the equilibrium condition Blank solutions were treated similarly without the adsorbent, and the recorded

Functionalized Graphene Nanosheets as Absorbent for Copper

The removal percentage could reach 96 within 1 h and remain 72 after 5 adsorption desorption cycles Adsorption process and mechanism were elucidated by kinetics models and isotherm models The results showed FGNs has a great potential to be an adsorbent for removal copper ions from water

Synthesis and Characterization of an Ion Imprinted Polymer

293 Synthesis and Characterization of an Ion Imprinted Polymer for Selective Adsorption of Copper Ions in Aqueous Solution Hui Xu1* and Donghong Guo2 1,2School of Petrochemical Technology, Lanzhou University of Technology, Lanzhou 730050, P R China

Adsorption of copper II ions from aqueous solution using

Onundi, YB 2010 Adsorption of copper, nickel and lead ions from synthetic semiconductor industrial waste water by shell active carbon International Journal of

Removal of Copper Ions from Liquid Wastes Using

Keywords: Adsorption, heavy metal, wastewater, treatment, copper, clay Article history: Received: 21 September 2017 Revised: 08 October 2017 Accepted: 01 November 2017 Available online: 11 November 2017 1 Introduction Water pollution by heavy metals through the discharge of industrial effluents, is a worldwide environmental problem

Adsorption Study for the Removal of Nitrate from Water

3 2 Adsorption Kinetics 3 2 1 Contact Time The capacity adsorption of nitrate ions solution 100 mg/L on an adsorbent dose 20 g/L was followed as a function of time h The results presented in Figure 5 show that the adsorption capacity of the nitrate ions increases with contact time and reaches a maximum value at 2 h After 2 h, the adsorption capacity decreases

Amino modification of biochar for enhanced adsorption of

Jan 01, 2014 Copper uptake as a function of temperature is shown in Fig 5 The adsorption capacity of copper increased from 12 49 mg g 1 to 16 11 mg g 1 as temperature increased from 283 K to 303 K, suggesting that the sorption process probably underwent chemical rather than physical interaction Haghseresht et al , 2009

Functionalized Graphene Nanosheets as Absorbent for Copper

The removal percentage could reach 96 within 1 h and remain 72 after 5 adsorption desorption cycles Adsorption process and mechanism were elucidated by kinetics models and isotherm models The results showed FGNs has a great potential to be an adsorbent for removal copper ions from water

Removal of Copper from Water by Adsorption with Calcium

Calcium Alginate/Spent Coffee Grounds composite beads CA SCGs beads, which were made of two different proportions of alginate and spent coffee grounds 3:3 and 3:10, respectively, were used to adsorb Cu2+ in aqueous solution These beads were compared with calcium alginate beads CA beads and spent coffee grounds SCGs in terms of adsorption capacity and rate of adsorption

The Adsorption of Heavy Metals and Phosphates from

However, all of the current studies on shell adsorption flowed polluted water through the shells at very slow rates Sometimes, the water would sit in the shells for hours The fastest water has flowed through 150 grams of waste shells was a rate of 200 ml per hour Unfortunately, this speed is unrealistic for a real life application

Adsorption of copper from waste printed circuit boards

Copper adsorption is an endothermic process because the change in the standard enthalpy H 0 had a positive value The negative value of the standard entropy change S 0 suggested that the randomness decreased at the solid solution interface during adsorption Table 5 Thermodynamic Properties for Copper Adsorption with OP S

Adsorption of copper, nickel and lead ions from synthetic

Sep 01, 2010 Equilibrium adsorption experiments at ambient room temperature were carried out and fitted to Langmuir and Freundlich models Results showed that pH 5 was the most suitable, while the maximum adsorbent capacity was at a dosage of 1 g/L, recording a sorption capacity of 1 337 mg/g for lead, 1 581 mg/g for copper and 0 130 mg/g for nickel