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CERES - Model ZVI -High Purity Zero Valent Iron Powder for In Situ Chemical Reduction
Zero Valent Iron – High quality and purity micro-scale iron powder and granules for in situ chemical reduction for source areas, permeable reactive barriers, and other soil and groundwater remediation applications. Also commonly utilized in above ground water treatment systems for selenium, chlorinated compounds and heavy metals. CERES Zero Valent Iron (ZVI) powder is produced by different manufacturing processes including reduced iron (i.e. Sponge Iron), hydrometallurgy, water atomization or carbonyl production methods (NOTE: CERES DOES NOT use scrap iron for our ZVI!). CERES ZVI is available at up to 99.9% Fe content and thousands of tons are produced annually with just-in-time manufacturing to ensure no appreciable surface oxides are present. Each manufacturing method produces ZVI of different iron content, reactivity and hydrogen production to meet our clients project specific requirements. Yes, we are engineering to order your ZVI. Who else does that?!
ZVI is one of the most effective and reliable remediation technologies, proven over decades to achieve successful in situ chemical reduction (ISCR) of many target contaminants. CERES has supported many clients with ZVI for ISCR projects around the world for many years with great success and proud to say that customer goals are being achieved one project after the other!
- Proven remediation technology since the 1970’s.
- Applicable in soil piles and in-situ chemical reduction applications for groundwater treatment.
- Economical solution for chlorinated solvent and hexavalent chromium remediation applications.
- Easily applied by soil mixing or injection.
- Can be injected with low pressure (10 micron or smaller ZVI).
- Combine with MTS for mixed contaminant plumes of heavy metals and organics.
- Permeable reactive barriers (PRBs) and Funnel & Gate Design.
- Trenching and aggregate size ZVI particles for PRB design.
- Deep Soil Mixing generally uses aggregate scale size.
- Source area grid injection or soil mixing.
- Direct push injection (generally <200 micron) or permanent injection wells (<10micron only).
- Low pressure injection (10 micron or smaller ZVI).
- Moderate pressure injection (10-44 micron ZVI).
- Hydraulic fracking and higher pressure injection (greater than 44 micron ZVI).
- Physical Properties
- Form: Fine Powder to Aggregate
- Density: 1.7-3.6 g/cm3
- Molar Mass: 55.85
- Odor: Odorless
- Solubility in Water: Insoluble
- Color: Grey
- Vapor Pressure: N/A
- Material: % Composition
- Iron: up to 99.5%
- Carbon: less than 3.0%
- Silicon: less than 2.5%
- Manganese: less than 0.8%
- Nickel: less than 0.20%
- Sulphur: less than 0.15%
- Phosphorous: less than 0.15%
Standard Micro 100 (70-325 Mesh)
SIZE: DISTRIBUTION %
- 125-210 micron: 30-45%
- 88-125 micron: 40-55%
- 44-88 micron: 15-20%
SIZE OPTIONS: REFERENCE ID
- 4 micron (D50=4µm, 2-7µm): UF4- Ultra Fine 4 micron
- 15 micron (D50=15µm; 5-30µm): UF15- Ultra Fine 15 micron
- <45 micron: micro 325
- 44-100 micron: micro 200
- 44-210 micron: standard micro 100
- 74-425 micron: F 1
- 125-425 micron: F 2