| | SLO | ENG | Cookies and privacy

Bigger font | Smaller font
First page > Show document

Show document Help

Title:Bentonit kot adsorbent za separacijo kovinskih ionov iz vodnih raztopin : diplomsko delo visokošolskega strokovnega študijskega programa I. stopnje
Authors:ID Kugler, Jaka (Author)
ID Škerget, Mojca (Mentor) More about this mentor... New window
ID Čolnik, Maja (Mentor) More about this mentor... New window
Files:.pdf VS_Kugler_Jaka_2019.pdf (2,56 MB)
MD5: 398DE630978F18219D201C5113D5A432
PID: 20.500.12556/dkum/db88fb2a-dd11-4203-8990-d2c5e11e261f
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:Onesnaževanje okolja s težkimi kovinami in reševanje le te problematike na učinkovit in hkrati ekonomsko sprejemljiv način, predstavlja vedno večji izziv v današnjem času. V diplomski nalogi smo preučevali adsorpcijske lastnosti bentonita za adsorpcijo kovinskih ionov (železo, baker, svinec) iz vodne raztopine. Masne koncentracije kovinskih ionov v raztopini smo določili z optično emisijsko spektroskopijo (ICP OES). Prav tako smo preučili karakteristike samega bentonita (velikost delcev, zeta potencial, specifična površina, volumen por). Karakterizacija je pokazala, da je v našem vzorcu bentonita povprečni zeta potencial - 0,257 mV in povprečna velikost delcev 1657 nm. Ugotovili smo, da s spreminjanjem pH raztopin Fe2+, Cu2+ in Pb2+ ionov, bentonit najbolje adsorbira pri pH vrednosti 7. Spreminjali smo tudi koncentracije samih raztopin z Fe2+, Cu2+ in Pb2+ ionov v območju od 1 mM do 13 mM in izmerili, da ima bentonit največjo kapaciteto pri koncentraciji 13 mM. Prav tako smo preizkusili medsebojni vpliv ionov na adsorpcijo in ugotovili, da je učinkovitost adsorpcije vseh treh ionov nad 99 %. Iz rezultatov diplomskega dela lahko sklepamo, da je bentonit odlična izbira za odstranjevanje železovih, bakrovih in svinčevih ionov iz vode.
Keywords:adsorpcija, bentonit, težke kovine, zeta potencial, ICP OES
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[J. Kugler]
Year of publishing:2019
Number of pages:VIII, 33 str.
PID:20.500.12556/DKUM-74647 New window
UDC:66.081:666.322(043.2)
COBISS.SI-ID:22677014 New window
NUK URN:URN:SI:UM:DK:TNISC3OS
Publication date in DKUM:10.10.2019
Views:1820
Downloads:211
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FKKT
:
KUGLER, Jaka, 2019, Bentonit kot adsorbent za separacijo kovinskih ionov iz vodnih raztopin : diplomsko delo visokošolskega strokovnega študijskega programa I. stopnje [online]. Bachelor’s thesis. Maribor : J. Kugler. [Accessed 23 March 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=74647
Copy citation
  
Average score:
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
(0 votes)
Your score:Voting is allowed only for logged in users.
Share:Bookmark and Share


Searching for similar works...Please wait....
Hover the mouse pointer over a document title to show the abstract or click on the title to get all document metadata.

Licences

License:CC BY-NC 4.0, Creative Commons Attribution-NonCommercial 4.0 International
Link:http://creativecommons.org/licenses/by-nc/4.0/
Description:A creative commons license that bans commercial use, but the users don’t have to license their derivative works on the same terms.
Licensing start date:03.09.2019

Secondary language

Language:English
Title:Bentonite as adsorbent for separation of metal ions from aqueous solutions
Abstract:Heavy metal pollution and how to solve this problem in an efficient and economically acceptable way, represents one of the biggest problems in our modern world. In diploma thesis, we examined adsorption capacity of bentonite for the adsorption of metal ions (iron, copper, lead) from aqueous solution. The mass concentrations of the metal ions in the solution has been determinated by optical emission spectroscopy (ICP OES). Furthermore, the characteristics of bentonite (particle size, zeta potential, specific surface area, pore volume) has been examined. Characterization showed that for our sample of bentonite, the average zeta potential was 0.257 mV and the average particle size was 1657 nm. We observed that by changing the pH of Fe2+, Cu2+ and Pb2+ ion solutions, bentonite absorbs best at pH value of 7. By varying the concentration of the solutions of Fe2+, Cu2+ and Pb2+ ions in range from 1 mM to 13 mM it was found that bentonite has the highest capacity at a concentration of 13 mM. In addition, we investigated the interactions of the ions in solution and their influence on adsorption and we realised that the adsorption efficiency of all three ions was above 99 %. The results of the thesis lead to the conclusion, that bentonite is an excellent choice for the removal of iron, copper and lead ions from water.
Keywords:adsorption, bentonite, heavy metals, zeta potential, ICP OES


Comments

Leave comment

You must log in to leave a comment.

Comments (0)
0 - 0 / 0
 
There are no comments!

Back
Logos of partners University of Maribor University of Ljubljana University of Primorska University of Nova Gorica