The Pall Oenofine XL System. Single Step Protein Stabilization and Clarification Eric Bosch Winery Engineers Association June 2012

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1 The Pall Oenofine XL System Single Step Protein Stabilization and Clarification Eric Bosch Winery Engineers Association June 2012

2 Presentation Content What is the Oenofine XL System Traditional Protein Stabilization and Clarification Oenofine XL System Why System Design Features and Benefits Sensory Results Sizing Guidelines Questions

3 What is the Oenofine XL System? The Pall Oenofine XL System Single Step Protein Stabilization and Clarification Special crossflow-friendly bentonite Pall s Hollow Fiber Crossflow System Oenoflow XL-A System Bentonite Fining Oenofine XL System

4 Traditional Protein Stabilization Bentonite Fining Manual addition/mixing in treatment Tank Added during racking or recirculation Strengths Technically Effective Proven Weaknesses Large lees volumes (2-10%) Settling before downstream processing Labor Intensive

5 Filtration after Stabilization Traditional Methods Diatomaceous Earth Filtration Sheet Filtration Modern Method Crossflow filtration Eliminates use and disposal of filter aids More consistent filtrate quality Higher wine yields Low water and energy consumption Less labor and handling More hygienic operation Lower operating costs

6 Filtration after Stabilization Crossflow filtration weaknesses Membranes can loose integrity from bentonite exposure Irreversible membrane fouling from high bentonite concentrations Many crossflow suppliers forbid use with suspended bentonite Asymmetric membrane

7 Why Oenofine XL Technology? All the benefits of crossflow filtration Eliminates weaknesses previously mentioned Plus: Reduced downtime Increased speed to bottle Increased Tank Turnover/Capacity Reduced wine lees Fewer wine movements Increased wine recovery

8 Oenofine XL System Design Bentonite Tank Dosing Skid Oenofine XL base systems

9 Oenofine XL System Design Bentonite Tank Dosing Skid Base System Customer Supply: Bentonite Dosing Tank Bentonite Bentonite Solution

10 Pall Bentonite - BXF Family 2 Bentonite Options BXF-FINE (Meets stricter German Wine Legislation- Na content) BXF-FINE ACTIVE Granular Sodium-Calcium Composite Bentonite Developed specifically for crossflow application Narrow particle size distribution Fine particles, no sand (99.5% < 45 microns) Meet OIV codex Meet EU Directive (EC) 96/77, E558 for Bentonite

11 Oenofine XL System Design Bentonite Tank Dosing Skid Base System Bentonite to base system Bentonite Inlet Dosing Skid Wiring cabinet Bentonite addition Automatic valves Metering Pump to base system

12 Oenofine XL System Design Bentonite Tank Dosing Skid Base System Base System Fully automatic hollow fiber system Dosing software Automatic valves Density meter Addition after stainless steel strainer

13 Oenofine XL System Design

14 Oenofine XL System Design Bentonite addition Density Meter Dosing Skid

15 Oenofine XL System Operation Bentonite lab trials to determine dosing concentration BXF-FINE BXF-FINE ACTIVE Operator selects wine stabilization Operator enters dosing concentration and bentonite solution dilution factor Automatic addition considering system flow rate Manual addition according to customer

16 Oenofine XL System Operation Dosing rate is automatically calculated and controlled based on the system flow rate Cycle Programming Capability Clarification without stabilization is possible for flexibility to use the system at different production stages Final Concentration (LCV) and Tank Distribution System (TDS) do not function in stabilization mode

17 Oenofine XL System Application Process Flow Diagram Wine (Enzymes) Yeast SO 2 Crush Must Fermentation Racking Young Wine C Lees Fining agents Clarifying Filtration Clarifying Filtration Fining Clarified Wine Utilities Water Blending < 2 NTU Gas Steam Tartrate Crystal Removal Polish Filtration SO 2 Stabilized Wine Tartaric Stabilization - 4 C 0 C Storage - 4 C 0 C Trap, Pre and Final Filtration

18 Oenofine XL System Main Menu

19 Oenofine XL System Production/Cycle Screen

20 Wine Stabilization/Dosing Screen Dosing: Automatic or Manual For Automatic Dosing Enter: 1. Dosing Concentration (g/hl) 2. Bentonite Mixture For Manual Dosing Enter: 1. Dosing rate (l/h)

21 Oenofine XL System Features Oenofine XL System Features Summary: A Unique Bentonite Proven PVDF Hollow Fiber Modules Combined Protein Stabilization and Clarification Automatic Operation Safety Devices Clarification only capability

22 Oenofine XL System Features and Benefits BXF Family Bentonite Features Narrow Particle Size Distribution Fine Particles 99.5% > 45 microns High Reactivity Granulates Benefit Gentle and Wear Resistant application with membranes Reduced bentonite consumption (Up to 30%-50%) Easy dissolution Value Reduced operating costs Reduced waste for landfill Less handling

23 Oenofine XL System Features and Benefits Stability Concentration Requirements On average ~ 30% less Bentonite consumption Wine Competitive Bentonite BXF-FINE ACTIVE % Difference 2007 TW Rhein Calcium: 100 g/hl 50 g/hl Actual: (8.65 kg/18,500l) 50% 2007 Liebfrauenmilch Calcium: 300 g/hl 150 g/hl Actual: (4.20 kg/3,300l) 50% 2007 Chardonnay Calcium: 100 g/hl 50 g/hl Actual: (11 kg/22,200l) 50% 2007 Chardonnay Calcium: 100 g/hl 50 g/hl Actual: (12.1 kg/27,600l) 50% 2008 Prosecco Trevigiano Na-Ca Composite: 20 g/hl 20 g/hl Actual: (2.9 kg/14,800l) 0% Pinot Grigio Na-Ca Composite: 30 g/hl 40% 50 g/hl Actual: 30.3 (2.9 kg/9600l) Comparative figures must be validated on an individual application-specific basis. Variation will occur based on individual conditions.

24 Oenofine XL System Features and Benefits Proven Hollow Fiber Modules Symmetric Asymmetric Features Symmetric PVDF Membrane High Filter Area Modules (21.5 m2 of area vs m2 from other X-flow systems) Clear Polysulfone Housing Benefit High Solids Capability High mechanical strength, repeated regeneration, backflush capability Capability to tolerate suspended fining agents, particles and crystals High area/footprint Easy to identify a failure Value Longer module service life Reduced operating costs Less downtime Small floor space High area modules

25 Oenofine XL System Features and Benefits High Solids Capability Final Retentate solids from 14 to 40% Wine Average Flux Final TMP Final Retentate Bentonite Concentration 2010 TW Rhein 50 LMH 0.9 bar 4.3 kg/ 30 Liters 2010 TW Rhein 54 LMH 1.05 bar 8.7 kg/ 30 Liters 2010 Chardonnay 52 LMH 0.65 bar 11 kg / 30 Liters 2010 Chardonnay 54 LMH 1.56 bar 12.1 kg / 30 Liters

26 Oenofine XL System Features and Benefits Combined Protein Stabilization and Clarification Features Single Step Protein Stabilization and Clarification Benefit Eliminates settling time after traditional bentonite fining Lower lees volume Fewer wine movements Less water, energy and chemical consumption Faster tank turnovers Value Wines faster to the bottle Possible increase in winery capacity Increased yield Lower operating cost

27 Oenofine XL System Features and Benefits Fully Automatic Operation with Safety Devices Features Cycle programming capability Density meter to measure solids concentration in the loop Automatic or controlled dosing of bentonite Parameter and trend recording Benefit Long periods of unattended operation Easy Operation Less labor and handling Multiple safeguards against module plugging (pressure and density meter) Easy troubleshooting Value Lower operating costs Long module life Low maintenance cost

28 Oenofine XL System Features and Benefits Capability to use for Clarification only Features Clarification without stabilization is possible Low Concentrate Volume Benefit Flexibility to process different types of wine Flexibility to use at multiple stages (clarification, polishing, after cold stabilization) No filter aid requirement for clarification Low wine waste volumes Hygienic operation Value Less downtime Less waste for landfill Improved operating conditions Lower operating cost

29 Oenofine XL System Sensory Results Geisenheim Sample analysis: Significant differences in the total quality between the single products could not be recognized. The Oenofine system had no influence on the sensory total quality of the products. 2007er QbA Rheinhessen, ZGM, Liebfrauenmilch Unfiltrate Static Stabilization Oenofine XL Filtrate after 15 min Rank Total Filtrate Volume (5hrs) Color Odor Taste Light yellow, light opalescent Aromatic, bright, cooked fruit, spicy, peach Moderat, neutral, dominant acid, low body Light yellow, light opalescent Aromatic, bright, cooked fruit, spicy, peach Little agreeable, aromatic, spicy, clean Light yellow Aromatic, bright, cooked fruit, spicy, peach Slight bitter pleasant, aromatic, pleasant little body Light yellow Aromatic, bright, cooked fruit, spicy, peach Little agreeable, aromatic, spicy, clean Harmony Still Harmonic Harmonic Harmonic Harmonic

30 Oenofine XL System Sizing Guidelines Oenofine XL System available with 6 to 18 modules Flow rate range from 50 to 310 hl/hr Combined Stabilization and Clarification: 4 to 6 hr runs Wine Clarification only: 6 to 8 hour runs Typical Performance: System Flow rate Wine Stabilization Flow rate Wine Clarification Oenofine XL-6A 65 hl/hr hl/hr Oenofine XL-8A 86 hl/hr hl/hr Oenofine XL-10A 108 hl/hr hl/hr Oenofine XL-12A 130 hl/hr hl/hr Oenofine XL-14A 150 hl/hr hl/hr Oenofine XL-16A 172 hl/hr hl/hr Oenofine XL-18A 195 hl/hr hl/hr

31 Oenofine XL System Benefits Summary Reduced bentonite consumption High Solids Capability Compact footprint Eliminates settling time after bentonite addition Fewer wine movements Less water and energy consumption Faster tank turnover Long periods of unattended operation Reduced labor and handling Multiple safeguards against module fouling Low maintenance Flexible operation No filter aid requirement Hygienic Operation Reduced Operating Costs, Less Waste, Higher Yields

32 Thank You For Your Attention!, Pall, and Oenoflow are trademarks of Pall Corporation. indicates a trademark registered in the USA.