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Wastewater Treatment SystemsFor ReuseMarch 22, 2016
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The practice of capturing wastewater from homes and businesses, treating it to a high quality, then delivering the water for reuse.
Recycled water can satisfy most water demands, as long as it is adequately treated to ensure water quality appropriate for the use.
Nonpotable uses:, landscape, public parks, and golf course irrigation, artificial lakes and agriculture.
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Drought in California and the Southwest: Legislation requiring reuse in golf courses, landscaping and in new commercial buildings (new San Francisco ordinance)
Cost of municipal water is rising
State and regional government incentives
Growing number of states adopting guidelines for water reuse (+33)
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Largest commercial water users: offices, schools and golf courses, followed by restaurants and retail
Office parks, schools and golf courses would benefit most from reusing wastewater for irrigation.
4Source: Pacific Institute
http://www.pacinst.org/wp-content/uploads/sites/21/2013/02/waste_not_want_not_full_report3.pdf
0 50 100 150 200 250 300 350
Hotels
Laundries
Hospitals
Retail
Restaurants
Golf Courses
Schools
Offices
Commercial Water Use in California, 2000
million gallons/day (MGD)
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41% rise since 2010
5Source: Circle of Blue research
HTTP://WWW.CIRCLEOFBLUE.ORG/2015/WORLD/PRICE-OF-WATER-2015-UP-6-PERCENT-IN-30-MAJOR-U-S-CITIES-41-PERCENT-RISE-SINCE-2010/
Monthly water bill for a household of 4 using 400 gallons/day - 2015
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We take domestic wastewater and give it back to you as clean, disinfected water for onsite irrigation.
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Minimal power consumption: solar-powered option available
Low impact: No noise, no odor, and small footprint
Durable and reliable: composites construction with few moving parts
Scalable: modular design Cost-competitive: low
capital and operational cost Automated operation Aesthetic design
Modular
Durable Solar power
Aesthetic
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Miranda WWTPs can be installed indoors, outdoors, or buried in the ground to meet your specific needs.
Indoors Outdoors Buried in Ground
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Maintenance Advantages:• Miracell is simple to operate• Automated, PLC programmed
control panel• Requires a short 1 day training• Requires minimal maintenance,
done by existing maintenance staff
• System start-up within two weeks.
• Sludge disposal at convenient intervals.
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Modular Design
Community of 1,000 persons (53,000 GPD) =
4 RBC’s
Community of 2,000 persons (106,000 GPD) =
8 RBC’s
Community of 4,000 persons (212,000 GPD) =
16 RBC’s
Flexible configuration options are ideal for decentralized,
onsite wastewater treatment for a wide range of flows
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Removal of large objects
Fats/Oils/Grease (FOG) removal—if required
Pre-settlement and flow equalization
To RBCBiologicalTreatment
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Biological treatment to digest organic matter
Sludge settles and is removed
Finer suspended solids are removed in the specially designed sedimentation tank
From equalization tank To chlorinator
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Disinfection using chlorine dosing
or Optional UV disinfection
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Tertiary filtration options:
Sand filter: removes fine suspended solids,
Activated Carbon Filter: removes color, odor, or non bio-degradable materials
Ultrafiltration: removes microorganisms and pathogens (down to 1 micron)
Result: crystal clear water for reuse.
From treated water tank
To reuse (irrigation)
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Federal: EPA and National Pollutant Discharge Elimination System (NPDES)
State: permits issued by state agencies (e.g. Department of Environment, Department of Health & Human Services, Department of Health, etc.)
Counties / municipalities: may be involved in issuing permits as well (usually business-specific)
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International, independent, ANSI-accredited wastewater treatment testing and certification organization
Standards recognized by most state regulatory agencies
Industry standard “stamp of approval” for small-flow onsite wastewater treatment systems (less than 3,000 GPD)
NSF standards meet or exceed most state permitting regulations for larger decentralized systems as well
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Miracell-Green (with disc filter) meets NSF-40 standard for subsurface discharge (dripline irrigation)
Miracell-Blue (with Ultrafiltration) meets NSF-360 standard for reuse (spray irrigation)
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Over 300 installations worldwide, in + 40 countries
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Waltham, UK
Apple Springs SD, USA
Mudanya, Turkey
Johannesburg, South Africa
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Miranda reuse treatment plant commissioned April 2015
Phase 1: 10,000 persons (2,000 m3/day or 530,000 GPD)
Water re-used for landscape irrigation and water features
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Miranda reuse treatment plant commissioned April 2013
500-home gated community (350 m3/day or 92,000 GPD)
Water re-used for landscape irrigation
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Miranda reuse treatment plant commissioned June 2013
100-bungalow resort (200 m3/day or 53,000 GPD)
Water re-used for landscape irrigation and vegetable gardens
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www.miranda-tr.com
Thank you...
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