Gp_Priyanka

Report
Removal of Copper (Cu) from Waste Water using
Nanoparticles
Submitted byPriyanka Takhar
Prashant Gautam
Vaibhav Gehlot
2010CEV2926
2014CEV2925
2010CH70189
» Introduction
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High demand of water due to increase in population
High amount of wastewater is generated
The wastewater contains micro-organisms, organics, metals and toxicants
Metals (copper here) are highly carcinogenic
Metals cannot be decomposed or bio-degraded
They have to be removed during treatment
» Removal of copper
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Precipitation
Flotation
Ion Exchange
Electrocoagulation
Adsorption
Adsorption is widely used for the removal of metals because of its simplicity
and effective cost
» Nanoparticles
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The most common adsorbent (nowadays) are nanoparticles
Nanoparticles are particles with size less than 100nm
The advantages of using nanoparticles as adsorbent are High surface area in low volume
 Magnetic characteristics
 Low cost
 Effective contaminant removal even at low concentrations
 Less waste generation post-treatment
Table 3: Comparison between different nano particles
Source
Palanisamy et al., 2013
Nano particle
Magnetic iron oxide
pH
Time taken
Removal
(min)
(%)
2.5
60
95.5
2.5
60
91.6
stabilized by Olive Oil
Magnetic iron oxide
stabilized by MIONs
Flaxseed Oil
Kana et al., 2013
Chitosan Nano-Particles
-
30
100
Liu et al., 2008
Fe3O4 Magnetic
6.4
15
99.7
9.2
4380
99
2.5
120
81
Nanoparticles With Humic
Acid
Sukopová et al., 2013
Zerovalent Iron
Nanoparticles
Predescu et.al., 2012
Maghemite Nanoparticles
Bhargav et al., 2013
Iron (III) Oxide
8
1710
100
7
120
98
5
90
97.6
3
90
98.21
5.5
30
98
Nanoparticle
Xin et al., 2012
Amine-functionalized
mesoporous Fe3O4
nanoparticles
Rafiq et al., 2014
Zinc oxide nanoadsorbents
Magnesium oxide
nano-adsorbents
Pang et al., 2011
Magnetic
Nanoparticle
» Limitations
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Corrosion of metal surface
Reaction by-products
» Future research
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Non corrosive nanoparticles should be more used
Reaction by-products should be minimised
» REFRENCES:
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Andra PREDESCU, Avram NICOLAE, 2012, “ADSORPTION OF ZN, CU AND CD FROM WASTE
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1166-1170.
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of pyridine from aqueous solution by adsorption at high-area C-cloth electrodes using in situ optical
spectrometry”, Journal of Electroanalytical Chemistry 521 (2002) 16–28.
JING-FULIU, ZONG-SHAN ZHAO, AND GUI-BIN JIANG, 2008, “Coating Fe3O4 Magnetic
Nanoparticles with Humic Acid for High Efficient Removal of Heavy Metals in Water”, State Key
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Sciences, Chinese Academy of Sciences, P.O. Box 2871, Beijing 100085, China.
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Application (IJNA) ISSN 2277-4777 Vol. 3, Issue 2, Jun 2013, 39-50.
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OF IRON NANOPARTICLES FOR INDUSTRIAL WASTEWATER TREATMENT”, 16. - 18. 10. 2013,
Brno, Czech Republic, EU.
Sai Bhargav.S and I Prabha, 2013, “Removal of Arsenic and Copper Metals from Contaminated Water
using Iron (III) Oxide Nanoparticle”, International Journal of Chemistry and Chemical Engineering ISSN
2248-9924 Volume 3, Number 2 (2013), pp. 107-112.
Stoimenov, P.K., R.L. Klinger, G.L. Marchin and K.J. Klabunde, 2002, “Metal oxide nanoparticles as
bactericidal agents”, Langmuir, 18: 6679-6686.
Xiaodong Xina, Qin Weib, Jian Yanga, Liangguo Yana, Rui Fenga, Guodong Chenb, Bin Dua, He Li, 2012,
“Highly efficient removal of heavy metal ions by amine-functionalized mesoporous Fe3O4 nanoparticles”,
Chemical Engineering Journal 184 (2012) 132– 140.
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