INTERACTIVE WASTEWATER TREATMENT DISPLAY. Cole Niblett Olivia Broussard Brandy Parks Abigail Parnell
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1 INTERACTIVE WASTEWATER TREATMENT DISPLAY Cole Niblett Olivia Broussard Brandy Parks Abigail Parnell
2 GROUP PICTURE
3 AGENDA Problem Statement and Background Objectives and Project Scope Conceptual Designs Economic Analysis Project Schedule Discussion
4 PROJECT SPONSOR Garver Engineering Multi-disciplined firm Headquarters: Little Rock, AR Person of contact: Mary Elizabeth Mach, PE Norman, OK office 2006 graduate of OSU Biosystems Department
5 PROBLEM STATEMENT Desired Product: Wastewater Treatment Display Interactive Educational Mobile Why? Raise awareness Everyone drinks water Limited education
6 WASTEWATER TREATMENT OVERVIEW Wastewater Treatment Incorporate most relevant technologies Scale/Modify to serve our purpose Four main sectors were analyzed: Primary Secondary Tertiary Reuse
7 WASTEWATER TREATMENT OVERVIEW Primary Treatment Inorganic Solids Removal Grit Removal and Sedimentation Secondary Treatment Aerobic vs. Anaerobic Activated Sludge vs. Trickling Filter
8 WASTEWATER TREATMENT OVERVIEW Tertiary Treatment Chemical Feed UV Disinfection Reuse Direct/Indirect Potable Irrigation
9 TECHNICAL ANALYSIS Patent Search Small Scale Treatment Patent # A1 Electrochemical disinfection Unfavorable qualities in small scale treatment: High maintenance Sludge handling Low efficiency
10 TECHNICAL ANALYSIS Patent Search Wastewater Education Patent #US WWTP model Simulated wastewater treatment Patent #CN U Teaching tool Drainage model
11 TECHNICAL ANALYSIS Patent Search Educational Exhibits How do we make wastewater interesting? Science Museums Interactivity Moving Components Movable Components OSU Stream Trailer
12 PROJECT SCOPE & OBJECTIVES Conceptual Designs Educational Tool - No wastewater treatment abilities Not biologically active Technical Specifications Cost/Materials Estimate Deliverables Table top model Design of trailer exhibit
13 Highway-legal Ease of storage TECHNICAL REQUIREMENTS Hydraulically Functional Low flow and pressure Power Requirements Standard 120V outlet 12V batteries Safety Regulations National Electrical Safety Code (NESC) Federal Motor Carrier Safety Administration (FMCSA)
14 SELECTION OF UNIT OPERATIONS Headworks/Pre-Treatment Mechanical bar screens Lift station Primary Treatment Grit removal basin Primary Clarifier Secondary Treatment Aeration Basin Secondary Clarifier
15 SELECTION OF UNIT OPERATIONS Tertiary Treatment UV Disinfection Basin Aesthetically pleasing Reuse Display discharge to river Irrigation
16 PROCESS FLOW DIAGRAM
17 SIZING OF UNIT OPERATIONS Geometric Similarity Dynamic Similarity Reynolds/Froude Numbers Stillwater WWTP as model Space Availability
18 SIZING OF UNIT OPERATIONS - PROCEDURE Used Froude/Reynold numbers to get in ballpark Scaled Stillwater plant at factor of l=1:100 Based on above steps, geometry, space, adjusted to our needs
19 SIZING OF UNIT OPERATIONS Stillwater WWTP Unit Characteristic Length Prototype System Unit Characteristic Length Bar Screens 28 Bar Screens 12 Grit Chamber 17 Grit Chamber 9 Clarifiers (Secondary) 125 Clarifiers 15 Aeration Basins 191 Aeration Basins 23 UV Basin 50 UV Basin 16
20 BAE 1012 PROJECTS Scale model design and CAD drawings for Primary/secondary clarifiers Aeration basins Requirements: Hydraulically similar Mechanically functional Aesthetically pleasing
21 BAE 1012 Aeration Basins CAD MODELS
22 CAD MODELS BAE 1012 Primary and Secondary Clarifier
23 CAD MODELS Mechanical Bar Screens UV Disinfection Basin
24 Grit Removal Chamber CAD MODELS
25 Lift Station CAD MODELS
26 OVERALL LAYOUT
27 TRAILER STYLE SELECTION Things that were kept in mind Size and ease of travel Storage Cost Narrowed down to four styles Open Sides Tailgate Walk around Tailgate Pull-Out Stream Trailer
28 TRAILER STYLE SELECTION Open Sides Trailer
29 TRAILER STYLE SELECTION Tailgate Walk around Trailer
30 Pull-Out Trailer TRAILER STYLE SELECTION
31 TRAILER STYLE SELECTION Stream Trailer Style
32 HYDRAULIC MODELING Two small centrifugal pumps considered Bentley WaterCAD used to generate hydraulic profile Modeling parameters: Pipe diameter= ¾ Pipe material Acrylic/Plastic/PVC Unit operations modeled as reservoirs
33 HYDRAULIC MODELING System head curve generation Function of elevation, static head, major/minor losses Friction loss is minor, but still present Straight line losses Tank entry/exit losses Valves
34 HYDRAULIC MODELING
35 PUMP SELECTION Dayton Utility Pump Motor 1/10 HP 115V or 12VDC Shutoff Head=37 $ Little Giant Pump Motor 1/10 HP 115V Shutoff Head=48 $141.20
36 PUMP AND SYSTEM CURVE - DAYTON
37 PUMP AND SYSTEM CURVE LITTLE GIANT
38 GRAVITY FLOW Both pumps operate at ~6 GPM Must ensure that gravity veins carry same flowrate Manning s Equation Parameter Value Pipe Diameter (in.) 0.75 Manning s Roughness, n 0.01 Slope (ft/ft) 0.25 Percent of Full Depth Flow 100% Output Value Wetted Perimeter (in.) 2.36 Flow Area (in 2 ) Hydraulic Radius (in.) Velocity (ft/s) 4.4 Flow (GPM) 6.0
39 Elevation (ft) HYDRAULIC PROFILE Elevation Hydraulic Grade Line Station Number
40 ECONOMIC ANALYSIS Material Unit Cost Quantity Cost Pipe $4.45/ft 15 $67 Valve (BF) $10/unit 3 $30 Plexiglas $13/ft 2 25 $75 Sprinkler $15 1 $15 Misc. - - $63 Total - - $250
41 ECONOMIC ANALYSIS Open Sides Trailer Alternatives Walk around Trailer Pull-Out Trailer Stream Trailer Bare Trailer $22,500 $15,000 $15,000 $10,000 Pump (Dayton) $104 $104 $104 $104 Materials $700 $600 $600 $500 Total Cost $23,304 $15,704 $15,704 $10,604
42 ALTERNATIVE EVALUATION Criteria judged on 1-10 scale Alternative Open Sides Trailer Walk around Trailer Pull-Out Trailer Stream Trailer Capacity Storage Style Cost Overall Score
43 WORK BREAKDOWN STRUCTURE
44 GANTT CHART
45 MOVING FORWARD Determine trailer style/layout Next semester: Final CAD drawings of trailer plus components Table top model Determine materials Build and test
46 ACKNOWLEDGEMENTS Mary Elizabeth Mach, PE Stillwater WWTP Lou Ann Fisher, Superintendent Elton Moore, Plant Manager Dr. Garey Fox & Dr. Glenn Brown Dr. Paul Weckler Freshman design teams We greatly appreciate your support!
47 DISCUSSION
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