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Utilization of Zero-ValentIron nanoparticles (nZVI) for in-situ groundwater remediation 
Ing. Jan Slunský, NANO IRON, s.r....
Presentation outline 
•Introduction 
–Company 
–Application (groundwater remediation) 
–Product (zero-valentiron nanoparti...
NANO IRON 
company profile 
• NANO IRON, s.r.o. established in 2008 
• Zero-Valent Iron nanoparticles (nZVI) 
industrial p...
GroundwaterRemediation 
PermeableBarrier(PRB) 
In-situgroundwaterremediation 
Pump-and-treat 
4 
www.nanoiron.cz 
In-SituC...
Zero-ValentIron 
•Zero-ValentIron, ZVI, Fe(0), elemental iron 
•Environmentally friendly 
–ZVI reduction properties are us...
Product characteristics 
•Average particle size: 50nm 
•Narrow particle size distribution: 20-100nm 
•Average surface area...
nZVIAPPLICATIONmatter of time 
15-60 days 
1 day 
SLURRY MANUFACTURING 
SHIPPING 
STORAGE 
DILUTION 
INJECTION 
Convention...
nZVIREMEDIATION EXAMPLE 
www.nanoiron.cz
KARA TRUTNOV 
• Fur processing site 
• Contamination: Chlorinated ethenes (PCE, TCE, DCE, VC) and 
chromium (Cr6+) 
• Prev...
KARA TRUTNOV 
laboratory study 
0 
20 
40 
60 
80 
100 
120 
140 
0 5 10 15 20 25 30 
c [μg/L] 
time [days] 
ME-24: PCE 
S...
KARA TRUTNOV 
pilot injection 
	 
NANOFER 25S 
• 200kg 
• 2 injection wells 
Chemical composition of ground water - well M...
OTHER SITES and STUDIES 
•Pilot injection (CHC) in CZ, SK, FR, NL, B, DK, USA 
•Pilot injection (metals) in Portugal 
•Pil...
13
NANOREM (EU FP7 Project) 
14 
www.nanoiron.cz 
Nanotechnology solutions for in-situsoil and groundwater remediationNMP.201...
CONCLUSION 
CHALLENGES in R&D 
•Product development 
–Air stable nZVI 
–nZVIbased nanocomposites(Fe3C-C having 80m2/g) 
–C...
Acknowledgement 
Palacký University Olomouc – Prof. Radek Zbořil at al. 
EKORA – Mgr. Ondřej Stískal at al. 
www.nanoiron....
Thank you for your attention 
Contact: 
Ing. Jan Slunský 
slunsky@nanoiron.cz 
www.nanoiron.cz 
2011 
2009 
2013
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CZECH NANO SHOW - Jan Slunsky - NANO IRON

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Utilization of Zero-Valent Iron nanoparticles (nZVI) for in-situ groundwater remediation

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CZECH NANO SHOW - Jan Slunsky - NANO IRON

  1. 1. Utilization of Zero-ValentIron nanoparticles (nZVI) for in-situ groundwater remediation Ing. Jan Slunský, NANO IRON, s.r.o. Czech NanoShowcase October6-10, 2014; USAWestCoast
  2. 2. Presentation outline •Introduction –Company –Application (groundwater remediation) –Product (zero-valentiron nanoparticles) •Application experience •NANOREM project •Conclusions 2 www.nanoiron.cz
  3. 3. NANO IRON company profile • NANO IRON, s.r.o. established in 2008 • Zero-Valent Iron nanoparticles (nZVI) industrial production in large quantities • Worldwide distribution • Technical support • Technology development • Scientific research www.nanoiron.cz 3 University Remediation Production Laboratory dispersing unit
  4. 4. GroundwaterRemediation PermeableBarrier(PRB) In-situgroundwaterremediation Pump-and-treat 4 www.nanoiron.cz In-SituChemicalReduction(http://oceanworld.tamu.edu/resources/environment- book/groundwaterremediation.html)
  5. 5. Zero-ValentIron •Zero-ValentIron, ZVI, Fe(0), elemental iron •Environmentally friendly –ZVI reduction properties are used in groundwater remediation: PRB –microFe–nanoFe •Particle size –Migration properties –Easy injection = in-situ application directly into the well –Surface area = reactivity and removal efficiency of contaminants 5 www.nanoiron.cz
  6. 6. Product characteristics •Average particle size: 50nm •Narrow particle size distribution: 20-100nm •Average surface area: 20-25m2/g BET adsorption-desorption isotherms XRD pattern Mössbauerspectrum 6 www.nanoiron.cz
  7. 7. nZVIAPPLICATIONmatter of time 15-60 days 1 day SLURRY MANUFACTURING SHIPPING STORAGE DILUTION INJECTION Conventional delivery and application process of nZVI 7 www.nanoiron.cz SLURRY MANUFACTURING POWDER SHIPPING STORAGE DILUTION INJECTION Innovative application process of nZVI
  8. 8. nZVIREMEDIATION EXAMPLE www.nanoiron.cz
  9. 9. KARA TRUTNOV • Fur processing site • Contamination: Chlorinated ethenes (PCE, TCE, DCE, VC) and chromium (Cr6+) • Previous treatment: pump&treat, venting, vapor deposition, ISCO www.nanoiron.cz 9
  10. 10. KARA TRUTNOV laboratory study 0 20 40 60 80 100 120 140 0 5 10 15 20 25 30 c [μg/L] time [days] ME-24: PCE SOIL + 0 g/L nZVI SOIL + LACTATE + 0 g/L nZVI SOIL + 1 g/L nZVI 0 5 10 15 20 25 30 0 5 10 15 20 25 30 c [mg/L] time [days] ME-24: Cr6+ SOIL + 0 g/L nZVI SOIL + LACTATE + 0 g/L nZVI SOIL + 1 g/L nZVI www.nanoiron.cz 10
  11. 11. KARA TRUTNOV pilot injection NANOFER 25S • 200kg • 2 injection wells Chemical composition of ground water - well ME-24 parameter unit September 8th September 20th October 22nd October 31st pH - 6,94 8,58 7,98 7,87 Total chromium (Cr tot.) mg/L 42,5 <0,001 0,874 <0,001 Hexavalent chromium (Cr6+) mg/L 42,2 <0,005 0,873 <0,005 Vinylchloride (VC) μg/L 278 70,4 <4 <4 trans-1,2-Dichlorethene (t-DCE) μg/L 14,1 1,9 <1 <1 1,1-Dichlorethene (DCE) μg/L 4,4 <1 <1 <1 cis-1,2-Dichlorethene (c-DCE) μg/L 2340 1060 3,1 18,9 Trichlorethene (TCE) μg/L 642 92,4 1,64 <0,50 Tetrachlorethene (PCE) μg/L 903 62,6 3,77 <0,50 sum of CHC including VC μg/L 4182 1287 8,5 18,9 www.nanoiron.cz 11 injection
  12. 12. OTHER SITES and STUDIES •Pilot injection (CHC) in CZ, SK, FR, NL, B, DK, USA •Pilot injection (metals) in Portugal •Pilot injection (pesticides) in CZ •Fullscaleremediation in CZ •Laboratory study (TNT) in Portugal •Mine tailings remediation (CAN, CZ) •Wastewater treatment (selenium, arsenic, chromium, …) •More than 20 tons of NANOFER 25S applied on various sites around Europe. •Others: 350 free-samples of NANOFER products shipped wordwidein past years, 75 to USA and Canada, mainly to universities, research institutes and remediation companies. 0 2000 4000 6000 8000 10000 12000 14000 2,4-Dinitrotoluen 2,6-Dinitrotoluen 2,4,6-Trinitrotoluen [ug/l] blank 0,125 g/L 1 g/L 12 www.nanoiron.cz
  13. 13. 13
  14. 14. NANOREM (EU FP7 Project) 14 www.nanoiron.cz Nanotechnology solutions for in-situsoil and groundwater remediationNMP.2012.1.2-1 Project No: 309517
  15. 15. CONCLUSION CHALLENGES in R&D •Product development –Air stable nZVI –nZVIbased nanocomposites(Fe3C-C having 80m2/g) –Combined methods (lactates, vegetable oil, …) –Ferrates (oxidation technology) 15 www.nanoiron.cz BUSINESS OPPORTUNITIES •Groundwater remediation contractors and consultants –Implementation of nZVItechnology •New segments in future (wastewater treatment)
  16. 16. Acknowledgement Palacký University Olomouc – Prof. Radek Zbořil at al. EKORA – Mgr. Ondřej Stískal at al. www.nanoiron.cz 16 LAC, Ltd. – production of industrial technologies. Technical background for technology development. Taking Nanotechnological Remediation Processes from Lab Scale to End User Applications for the Restoration of a Clean Environment. This project has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement No. 309517
  17. 17. Thank you for your attention Contact: Ing. Jan Slunský slunsky@nanoiron.cz www.nanoiron.cz 2011 2009 2013

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