winery emission control project santa barbara county l.
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Winery Emission Control Project Santa Barbara County. Today’s Presentation. Emission control project at a winery in Santa Barbara County Discuss the emissions profile and calculations How local regulations impacted the project (NSR) BACT control options reviewed

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today s presentation
Today’s Presentation
  • Emission control project at a winery in Santa Barbara County
  • Discuss the emissions profile and calculations
  • How local regulations impacted the project (NSR)
  • BACT control options reviewed
  • Decisions made by the applicant
  • Overview of the control system installed
  • Test results
  • References / Links
terravant wine center
Terravant Wine Center
  • Located in the Santa Ynez Valley (wine country)
  • New facility approved by City of Buellton in 2007. Multi-Phase project.
  • What is a wine center?
  • Total AQ operational emissions: 171 lb/day, 12 tpy VOCs (uncontrolled)
  • Phase I: Completed. Produce ≈ 1.0 million gal wine per year (473,000 cases).
  • Phase II: Future. Produce ≈ 1.7 million gal wine per year (800,000 cases).
emissions profile and calculations
emissions profile and calculations
  • Emissions profile is unique. Two distinct processes.
    • Fermentation: Large short term emissions from September to November (10 weeks)
    • Aging: High long term emissions year round from oak barrel storage (mostly reds)
  • Emission Factors
    • Fermentation: from ARB 2005 inventory guideline (not AP-42)
    • Aging : mass balance based. Key assumption % Wine Loss
  • Reasonable worst case daily emissions. Averaging does not work for fermentation.
    • 25% over a 10 day period, 50% over y 3 weeks.
  • % Wine Loss
    • 1% – 5 % is typical. Temperature and relative humidity control are key.
  • GHG emissions (800-900 lb/1000 gal). For TWC => 650 tpy CO2e
regulatory applicability
Regulatory applicability
  • City of Buellton: Lead agency
    • Mitigated Negative Declaration
    • AQ significance threshold 240 lb/day
    • Odor monitoring plan required (on site water treatment plant)
  • APCD Permit
    • Authority to Construct
    • BACT threshold exceeded (25 lb/day)
    • Offset threshold exceeded (55 lb/day, 10 tpy)
    • Separate permits for 1 MW DICE E/S Genset and Small Boilers
bact control options reviewed
BACT control options reviewed
  • Application, SJVAPCD 2007 Ozone Plan App. K Winery RACT Analysis, SJVAPCD Rule 4694 (Wine Fermentation & Storage Tanks) and SJVAPCD Rule 4695 (Brandy Aging and Wine Aging Operations)
  • Technologies Evaluated:
    • Catalytic Oxidation
    • Condensation
    • Carbon Adsorption
    • Wet Scrubber
  • None were cost effective using traditional CE criteria (over $40,000/ton)
decisions made by the applicant
Decisions made by the applicant
  • Applicant decision to install emission controls
  • Absorption control using wet scrubber selected
  • Avoided costs of offsets (over $50,000/ton then, now $75,000+/ton)
  • Allowed applicant to retain control of current and future production plans. Eliminated uncertainty regarding cost and availability of ERCs
  • Can promote as green business
control system overview
Control System Overview
  • Packed bed counter-current water scrubber design for 90+% EtOH removal
  • System Fan. For both fermentation and barrel storage rooms.
  • Capture. Building design is key. Building under negative pressure.
  • Scrubbing water loop
  • Treating the scrubbing water. Hydrogen peroxide and UV accelerator.
  • Alarms.
    • Low Duct Draft Negative Pressure
    • Low Liquid Flow to Scrubber
    • Low Hydrogen Peroxide Concentration (ORP)
  • Safety concerns. CO2 Emergency Relief Exhaust System.
  • Costs
test results
Test results
  • Source Test Results: 91% ethanol removal efficiency (mass)
  • EtOH Inlet: 96 ppmv (5.8 lb/hr)
  • EtOH Outlet: 8 ppmv (0.5 lb/hr)
  • Testing required every two years
references links
References / links
  • SBCAPCD Winery Webpage: http://www.sbcapcd.org/eng/winery/winery.htm
  • Terravant Wine Company: http://terravant.com
  • Brady Consulting, Inc.: http://bradyconsultinginc.com/
  • ARB Fermentation EFs: http://www.arb.ca.gov/ei/areasrc/fullpdf/full5-1.pdf
  • SBCAPCD Aging EFs: http://www.sbcapcd.org/eng/winery/Winery Calculations (ver 2.4).xls
  • SBCAPCD GHG EFs: http://www.sbcapcd.org/eng/winery/WineryCO2Calcs.pdf
  • SJVAPCD Rule 4694: Wine Fermentation & Storage Tanks (12/15/05)
  • SJVAPCD Rule 4695: Brandy Aging and Wine Aging Operations (9/17/09)
  • SJVAPCD 2007 Ozone Plan – Appendix K: RACT Analysis for Wine