Sökning: id:"swepub:oai:DiVA.org:umu-151193" >
New quaternized cel...
New quaternized cellulose based on hydroxyethyl cellulose (HEC) grafted EDTA : Synthesis, characterization and application for Pb (II) and Cu (II) removal
-
Jilal, Issam (författare)
-
El Barkany, Soufian (författare)
-
Bahari, Zahra (författare)
-
visa fler...
-
- Sundman, Ola (författare)
- Umeå universitet,Kemiska institutionen
-
El Idrissi, Abderahmane (författare)
-
Abou-Salama, Mohamed (författare)
-
Romane, Abderrahmane (författare)
-
Zannagui, Chahid (författare)
-
Amhamdi, Hassan (författare)
-
visa färre...
-
(creator_code:org_t)
- Elsevier, 2018
- 2018
- Engelska.
-
Ingår i: Carbohydrate Polymers. - : Elsevier. - 0144-8617 .- 1879-1344. ; 180, s. 156-167
- Relaterad länk:
-
https://urn.kb.se/re...
-
visa fler...
-
https://doi.org/10.1...
-
visa färre...
Abstract
Ämnesord
Stäng
- In this paper, new quaternized cellulose derivative based on Ethylenediaminetetraacetic acid (EDTA) and hydroxyethyl cellulose (HEC) is successfully prepared in homogeneous medium. The resulted product is characterized using spectroscopy techniques (FTIR, 1H NMR and 13C NMR). At the supramolecular level, the x-ray patterns show that a high hydrogen bond density occurs by grafting EDTA on the HEC fibers. The new adsorbent (HEC-EDTA) shows a high adsorption capacity of heavy metals (Pb (II) and Cu (II)) from aqueous metals solutions. The adsorption of the both metal ions follows the pseudo-second-order kinetic model, while the adsorption isotherms are well described by the Langmuir model. The qm values are determined for Pb (II) and Cu (II), respectively. For each metal, the equilibrium adsorption time is found to be 30 min. Moreover, the HEC-EDTA adsorption capacity is strongly dependent on the pH value; and the adsorption is favorable for pH values between 4 and 6. Moreover, the results show a high affinity toward Cu (II) than Pb (II).
Ämnesord
- NATURVETENSKAP -- Kemi -- Polymerkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Polymer Chemistry (hsv//eng)
Nyckelord
- Quaternized cellulose
- EDTAEdta
- Adsorption capacity
- Lead
- Copper
- Langmuir isotherm
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
Till lärosätets databas