Download - Plasma Clean odour control strategies
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‘Plasma Clean specialises in grease, odour and smoke control solutions for commercial kitchens.
We combine state-of-the-art plasma and UV-C technology with traditional air treatment methods to deliver highly effective solutions which are versatile, simple and reliable.
Above all, we value our long standing relationships and believe that our straight forward approach with a focus on quality, performance and ongoing support is what makes us different’David Glover, Ph.D.
Founder and Managing Director
Welcome
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• Kitchen Ventilation– Restaurants, shopping malls, airports, fast food
• Ambient Air– Washroom, hotel rooms, waste storage areas
• Waste Processing and Storage– Waste storage and composting
• Food Transportation and Storage– Soft fruit and vegetables, meat and fish
• Food Manufacturing– Preparation and processing
Applications
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• There is an increasing demand by Local Government to reduce odour, grease and smoke emissions associated with the activities of commercial kitchens.
• Emissions control usually arises during the planning phase, or when the local authority has received complaints from the general public.
• Failure to comply with planning conditions can lead to delays in the planning process, or existing businesses could face closure.
Local Government
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• Legislative guidelines in the UK: DEFRA 2005 / 2010
• DW/172 Guidelines
•TR/19 - Reduce grease build-up to prevent fire risk
• Odour control for low level discharge
• EHO approval and enforcement
• Penalties for non-compliance including closure
• Duty to Neighbours and to the environment
Guidelines
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• From an environmental perspective, offensive odour emissions affect the quality of life of individuals, impacting neighbouring businesses or affect the customer experience.
• Economically, by reducing the amount of grease and smoke which enters the ventilation ductwork, the duct cleaning frequency is reduced, heat recovery is possible and fan maintenance is reduced.
• From a safety perspective, by preventing grease from entering the ductwork there is a reduced fire risk.
Why treat odours?
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Our customers
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• The proportion of odour, grease and smoke depends on the type of cooking.• Odours are caused by volatile molecules found in the ‘gas phase’• Grease and smoke are tiny particles and so are in the ‘particulate phase’
• It is recommended to install the appropriate abatement equipment to ensure that the extraction air conforms to local Environmental Health standards.
Particle Removal Odour Removal
Filter Filter
Smoke Particles
Grease Particles
Odour
Treatment of food odours
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DEFRA 2005
Grease & Odour in commercial kitchens
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It is recommended to install the appropriate abatement equipment to ensure
that the extraction air conforms to local Environmental Health standards.
Technology Odour Grease SmokeStatic Pressure Maintenance
Ozone Low Low
Canopy mounted grease filters High Moderate
Ultra Violet Moderate Moderate
Activated Carbon High High
Electrostatic Precipitators (ESP) Moderate Moderate
Panel, Bag and HEPA filters High High
Solutions
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• Treat in order of Grease => Smoke => Gaseous odour• Interlock equipment with air flow either through fan control or PDS• Ensure that fan has Pa capacity to handle additional pressure drop• Check linear velocity through main duct run (6-8m/s) to ensure that
there is sufficient dwell time in equipment• Use activated carbon if there is insufficient contact time for ozone (2
seconds), or if extracting at low level
Key design criteria
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A modular approach...
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• Latest non-thermal plasma and UV-C technology
• Two year limited parts only warranty
• Low capital and running costs
• Simple installation and maintenance
• Compact, lightweight and robust
• Great after sales
INNOVATIVE, CUTTING-EDGE SOLUTIONS FOR GREASE, ODOUR AND SMOKE CONTROL
Product USPs
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• Efficiency - up to 95% of grease particles
• Pressure drop – 200Pa
• Linear velocity - 4.2m/s
• Volume flow rate – 0.24 and 0.34m3/s per filter
• Weight – 3kg
• Retrofit using an adaptor plate
• H x D x W mm - 150x475x161 or 150x375x161
• ROI – 12 - 18 months
Coil Filters
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• Ozone is injected directly into the canopy or ductwork as close to the source of odour as possible
• A minimum of 2 seconds dwell time is required to allow the ozone to react with odours
• Ozone also reacts with low levels of grease and smoke
• Treats up to 2m3/s air flow
Ozone Injection
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• The Plasma Clean Xtract generates ozone, a
well known cleaning agent to combat odour
• Ozone is created from ambient air and injected
into extraction system
• Customers also notice that grease and smoke
is reduced in the air stream and on ductwork
surfaces
• Odour and ozone removed
How it works
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Independent testing
The Plasma Clean Xtract has been tested to European Standard
EN13725:2003 by independent odour concentration measurements
ACHIEVED: Up to 90% odour removal
0
2000
4000
6000
8000
10000
12000
14000
Untreated Treated
Od
ou
r co
ncen
trati
on
(o
uE
/m3)
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USPs
• Compact and lightweight unit • Low power • Two year parts warranty• Long life UV-C lamps and ballasts • Simple on-site maintenance• Easy retro fit product
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• Flagship pub in residential area• Significant odour issues• Environmental Health stipulated odour control measures• EHO Approval obtained for the Plasma Clean Xtract 2100
Case Study – Joshua Bradley
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• Low power system – only 160W per unit• Stainless steel and glass construction – fully recyclable • No harmful NOx emissions from production of ozone• Sits outside of the ductwork so adds no back pressure
- Easy retrofit with no significant ductwork modifications- No additional power required to push air through duct- No fan upgrade required
• No noise• Low maintenance• No landfill impact as seen with activated carbon• Cost effective odour control performance• Low carbon footprint
Environmental advantage
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• Electrostatic Precipitators (ESPs) work by
ionizing and trapping grease and smoke
particles onto collector plates.
• They have high particulate removal
efficiency combined with low static pressurePCL 4420
PCL 6630
Electrostatix
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• Greatest efficiency with highest volume flow rate capacity - 95% at 4420 and 6630m3/hr
• Two year parts only warranty• Robust power supply for longer life• Spiked ioniser blades - more robust than wire ionisers for longer life• Low pressure drop• Combines with Techniclean UVC for high efficiency grease, smoke
and odour control
USPs
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Efficiency
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• High energy UV-C lamps are used to break
down odours and traces of grease in the extract
air by the mechanism of photolysis and
ozonolysis – combining high intensity UV-C light
with ozone technology.
UV-C Filtration
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• Slim-line and lightweight ducted unit• Low power• Long life UVC lamps and ballasts• High flow capacity• Two year parts warranty• Low pressure drop• Combines with ESP for high efficiency grease, smoke and odour
control ‘ECOLOGY UNIT’• 6 lamp 4420 unit treats 1.1 – 1.4m3/s• 8 lamp 6630 unit treats 1.5 – 2.1m3/s
USPs
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Benefits of Techniclean:
• Reduced fire risk due to elimination of grease• Destruction of odours in line with DW/172• Significantly reduces requirement for regular ductwork cleaning• Limited maintenance requirements• Ability of heat recovery due to grease free environment
Benefits
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Canopy Mounted UV-C
UV-C lamp rack and control panel
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“The knowledge and expertise
that Plasma Clean brought to
the project proved invaluable.
Since the kitchen has been in
full operation there have been
no problems with grease or
nuisance odour”
Ryan Street, N.G. Bailey
Case Study – Headingly Carnegie
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Case Study – Scheff Foods
• Purpose built food manufacturing facility
• Produces high volumes of food containing strong smelling ingredients
• Environmental Health stipulated odour control measures
• UV-C technology used to comply with building and planning regulations
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Combining UV-C light with ESPs, helps
keep the downstream extract ductwork
virtually grease free, significantly extending
the period between duct cleaning, reducing
fire risk and keeping heat recovery
surfaces clean. • Completely modular approach
• Slim-line design
• Grease collection at the canopy
• Low pressure drop
• Two year parts warranty
• Low maintenance frequency
Combined ESP and UV-C
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Eliminair is an ‘ecology unit’ that offers a flexible approach to grease, smoke and odour control in kitchen exhaust air.
This complete solution combines a range of standard modules engineered to offer optimum performance at the lowest static pressure.
Advantages of the Eliminair solution:•100% reduction of Grease, Smoke and Odour•A tailored approach using standardised modules •Low pressure drop meaning lower running costs•Low maintenance•Combining high efficiency filtration with state-of-the-art UV-C and ozone technology
Eliminair Ecology Unit
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Configurations
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• Award winning Camellia restaurant• 10% saving on installation• 50% saving on capital costs• 60% saving on running and maintenance
Case Study – Exclusive Hotels
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High levels of grease and odour close to residential properties
Solution:High efficiency coil filtersCombined ESP / UV-CFinal polish with activated carbon
Case Study – The Architect, Chester
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Recommended abatement systems for commercial kitchens
DESCRIPTION VERY HIGH HIGH MEDIUM LOW
PRIMARY GREASE FILTRATION COIL FILTERS COIL FILTERS COIL FILTERS COIL FILTERS
SECONDARY GREASE FILTRATION
PANEL PANEL
TERTIARY GREASE / SMOKE FILTRATION
BAG BAG
QUATERNARY GREASE / SMOKE FILTRATION (SPACE
PERMITTING)
ESP TRIPLE PASS
ESP DOUBLE PASS
ESP SINGLE PASS
ODOUR CONTROL OZONE INJECTION
ORUV-C
OZONE INJECTION
ORUV-C
OZONE INJECTION
ORUV-C
OZONE INJECTION
ORUV-C
OZONE CONTROL IN SENSITIVE AREAS
ACTIVATED CARBON
0.1S DWELL
ACTIVATED CARBON
0.1S DWELL
ACTIVATED CARBON
0.1S DWELL
ACTIVATED CARBON
0.1S DWELL
FINAL POLISH IN SENSITIVE AREAS
H13 HIGH VELOCITY
HEPA
H13 HIGH VELOCITY
HEPA
H13 HIGH VELOCITY
HEPA
H13 HIGH VELOCITY
HEPA
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Disinfects ambient air by neutralising odours and removing microbes to create fresher, cleaner air
Features and Benefits• Low capital and running costs• Simple installation and maintenance• Compact lightweight and robust• Quiet operation• Environmentally friendly
Applications• Healthcare – wards and surgeries• Public waiting areas• Washrooms• Refuse storage areas• Laboratory suites
Ambion ionisers
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• Refuse storage area located in recently upgraded courtyard area• Malodours creating a nuisance• Successful treatment comprising an Ambion Ioniser
Ambion ionisers
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Germicidal testing - Staphylococcus aureus
Air testing in a steady state test chamber: 99.7% reduction
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Further Reading
• http://archive.defra.gov.uk/environment/quality/local/nuisance/odour/documents/local-auth-guidance.pdf
• http://archive.defra.gov.uk/environment/quality/noise/research/kitchenexhaust/documents/kitchenreport.pdf
• http://www.hvcapublications.co.uk/Ecommerce/productPDFs/DW172.pdf
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Product Brochure and Kitchen Specification GuideRight click and Open Hyperlink to view online..
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We’d like to meet you...
David Glover Ph.D.
Founder & Managing Director
Please feel free to call me directly on:
+44 161 443 4125 or
www.plasma-clean.com