Ahlstrom Disruptor PAC Powder Activated Carbon

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1 Improving Health - Protecting the Environment Ahlstrom Disruptor PAC Powder Activated Carbon Updated January Ahlstrom Corporation

2 What is Ahlstrom Disruptor Technology? Welcome to this introduction to Ahlstrom Disruptor - a unique and broad spectrum water filtration technology! Series of 5 presentations: 1. Ahlstrom Disruptor - General information 2. Ahlstrom Disruptor - Legionella removal 3. Ahlstrom Disruptor - Powder activated carbon (PAC) 4. Ahlstrom Disruptor - Pathogen reduction 5. Ahlstrom Disruptor - Membrane biofouling

3 Features of Ahlstrom Disruptor PAC media Has similar particulate retention, flow and pressure drop as media without PAC Disruptor PAC has a median particle size of ~8 micron (90% less than 625 mesh) producing rapid adsorption kinetics due to high surface to volume ratio of the carbon Small particles of PAC are retained by electro adhesion, not mechanical retention or through the use of binder fibers or chemical additives Improves taste, odor, clarity and safety of potable water Reduces chlorine, endocrine inhibitors, ibuprofen, trace hydrocarbon, bacteria, viruses, cysts and natural organic material (NOM)

4 Nanoalumina + Powdered Activated Carbon Mean PAC particle size ~ 8 micron Small particle size produces rapid reaction with contaminants No adhesives used to retain the PAC Total PAC pore space available for reaction R.Ristau, IMS, UCONN

5 Edge image of PAC composite The carbon in Disruptor PAC media is inherent to the active layer The media is laminated between two layers of spun bond polypropylene for strength and pleat support R.Ristau, IMS, UCONN

6 Chlorine removal comparison 4 layers Ahlstrom Disruptor media with PAC ( with ~32% PAC, 4 layers) has a higher efficiency and capacity for chlorine reduction than several commercially available carbon filter media brands Free chlorine concentration, ppm Stock - 24 ppm free Cl Nano Al w / 32%PAC, 4 layers =880 g/m2 Mfrg A, 4 layers = 1440 g/m2 Mfrg B, 4 layers =1000 g/m2 Mfrg C, 4 layers =1000g/m Milliters Data courtesy Leo Kaledin, Argonide

7 Iodine removal comparison 3 layers Ahlstrom Disruptor media with PAC has a higher efficiency and capacity for iodine reduction than several commercially available carbon filter media brands Iodine concentration, ppm Iodine stock solution Argonide PAC/NC media # 621 Manufacturer "A" Manufacturer "C" Manufacturer "B" 0.5 ppm Filtered volume through 3 layers of a 3.7 cm 2 filter media, ml Data courtesy Leo Kaledin, Argonide

8 PAC cartridge tested at 2 ppm chlorine Cartridges made with PAC media have been shown to have a chlorine reduction capacity of over 4500 gallons Free chlorine concentration, ppm Disruptor (PAC) media. Input free chlorine concentration 2 ppm Filtered volume, gallons Filtered 17,000 liters of water w/ input conc. of 2.25 ppm, output conc. of 1.01 ppm. Corresponds to adsorption of ~23 g of free Cl by 24 g of PAC. On absorption of 958 mg of free Cl per 1 g of PAC. Simulation of EPA protocol for Cl removal from drinking water with stagnation points. Data Ahlstrom Filtration LLC

9 Applications Personal Use: Water bottles, backpacks and other personal hydration systems Residential: Tap, countertop, under sink, pitcher, refrigerator and gravity devices Commercial Soft drink, coffee, tea, water and ice machine

10 Ahlstrom Disruptor Safety

11 Meets NSF/ANSI Standards 42 and 61

12 Silver Antimicrobial: important to note It is important to note the distinction between nanosilver and the silver impregnate zeolite we use in Disruptor products Nanosilver is typically 25 nanometers in size and can freely move through the dermal layer and in between human cells The Agion silver impregnated zeolite we use has an average diameter of 2 micron (2000 nanometers) or approximately 100 times larger than nanosilver This difference in size eliminates the possibility of the Agion zeolite being considered to be nanoparticle. In addition, the Agion product contains the silver internal to the zeolite. Silver is not available in a free form. This means the silver contained within the zeolite can only be released in the presence of other ions, taking the place of the silver in the zeolite. This method of ion exchange provides for controlled delivery.

13 Fact Sheet from USAPHC

14 Thank you Questions and for more information, Please contact: Mr. Rod Komlenic or