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Intel Water Reclaim ProjectFinal Report 5/25/05
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Intel Project Team
• Matt Lundervold• Bryan Gregory• Charles Brown• Dave Montero
• Academic Advisor: Professor Zareh• Industry Advisor: Steve Chen
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Project Scope
• Design a full scale water reclaim system capable of recycling RO reject water.– Phase I: Design, build
& test Pilot system– Phase II: Design Full
Scale Reclaim System
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Summary of Design Process
• Translate Customer needs into Engineering Targets
• Design & build Pilot• Collect water quality
data from pilot• Design reclaim
system based on pilot data
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Phase 1: Pilot Design & Testing
• Key Design Decisions– Reverse Osmosis – Mobility– Flexible Hoses– Bypasses– Removable Components
• Startup, Testing, & Data– Data Collected for various
combinations of pretreatment– Test results determined
component selection and anti-scalant treatment
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Pilot drawing
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Phase II: Full Scale Water Reclaim Design
• The team utilized Pilot data, RO modeling software, and Intel design specifications to complete the final design.
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2-1
2-2
1-2
1-1
1-3
Booster Pump
Softener
1.0 um Filter
Auto IsolationValve
Reclaim FeedWater
3x2 Reverse Osmosis
RO Product
RO Reject
Water Reclaim Schematic
AntiscalantInjection
SodiumBisulfiteInjection
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Key Design Decisions
• RO Treatment• Membrane Selection• Water Softener• RO Configuration• Booster Pump
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RO Treatment
• Proven technology• Widely used by Intel• Expandable for increasing water demands• Relatively inexpensive compared to other methods• Easily integrated into existing system
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Membrane Selection
• Low fouling– resistant to scaling
and organic fouling– Durable– Low maintenance– High quality output– Relatively low energy
consumption
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Water Softener
• Proven technology• Expandable• Prolongs life of RO
membranes and reduces maintenance
• Automated regeneration
• Optimized foot print
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Booster Pump Selection • Grundfos BM 17-4N torpedo pump
– Highly reliable pump design– Integrates completely into RO design– Energy efficient– Accepts VFD– Submerged pump and motor, completely sealed unit
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RO Configuration
• 3x2 single pass dual staged stacked design– Meets space
requirements– Maximizes product
quality– Ease of maintenance– Expandable for future
flow requirements– Ease of assembly
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REVERSE OSMOSIS SKID
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RO PIPING MODEL
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RO FUTURE EXPANSION OPTION
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Design vs. Targets100% of Design Targets met
Highlights Include:• Exceeded all water quality
specifications• System designed to meet 150% of
current demand• Maintainable by 1 technician• Capital cost under projected
budget• Future expansion possible to 180
gpm• Annual water cost savings of
$110k• One time connection fee cost
avoidance of $342k
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Project Summary
• Future expansion opportunities– Blending bypass is a low cost
solution to increase capacity– Structure allows for another
RO
• Lesson’s Learned:– Navigating large corporation – Third party vendors
• Successes– Met all design criteria– Pilot validated design– Intel will use the pilot as a
development tool