be a Gam me Changer H.W. (Bill) Hoffman & Associates, LLC
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1 Three Technologies that Could be a Gam me Changer Bill Hoffman H.W. (Bill) Hoffman & Associates, LLC
2 Technologies that can make a real difference On-Site Sources of Water Water Save Both Energy and The Cooling Tower Conundrum Are there other ways to be both energy and water efficient The DIPPER WELL. Finally something new!
3 What is driving dii this innovation? i
4 orld Population nd All Need Water! opulation over Human History 10 World Population since ns Billio Year
5
6 Even in Chicago, the Mayor Wants to Double Wa ater Rates!
7
8 Cost to Flush a ToiletatCurren Inflation Rate of 5.85% allons per Cents per Flush Cents per Flu Flush in 2014 in
9 On-Site Sources More than G and Rain Water Gray Water
10 Estimated Ind door Home Use (Hoffman, 2010) Current best Current Code US Average Black Gray Leaks Pre 's Gallons per Person per Day
11
12 Diagram of Nexus System
13 On Site Reuse and Sources are the Next Big Push Rainwater harvesting Storm water harvesting Ai ir conditioner i condensate Swimming pool filter backwash Co ooling tower blowdown RO & NF reject water Gr ray water On site wastewater systems Foundation drain water Others??????
14 New Bank of America Tower in Manhattan This LEED Platinum project collects rainwater, gray wat ter foundation drain water and A/C condensate wat ter for reuse in toilet flushing and cooling tower mak keup. Cook+Fox Architect
15
16 Examples of Urban On Site Reuse Solaire, Battery Park NYC 65% Reduction in Potable Water 60% of non potable water demand in Tokyo is met by recycled water Dock Side Green Victoria Canada 65% Reduction in Potable Water
17 Sewer Mining Source: Chris Allen GE Water
18 Guiding Forces
19 ublications to be aware of
20 Cooling Towers The purpose of a cooling tower is to get rid of unwanted energy!
21 100% Summary of Audits of 30 Large Down Town Facilities with Cooling Towers in Dow wntown Fort tworth thtexas Water Management, Inc. 90% 80% 70% 60% 50% 40% 30% Other Irrigation Domestic Cooling 20% 10% 0% Courthouse Hotel University Offices Hospital
22
23 Manhattan
24 Make Up, Blowdown and Evaporation vs. Cycles of Concentration Cycles of Concentration
25 3 National Average Electricity Prices (Energy Informatio on Administration) Residential Commercial Industrial Transportation
26 avings With Cooling To ower Energy savings 0.3 to 0.4 kwh/ton Hr Equal to about 30to cents in most markets
27 ts per KWH Cent Cents per KWH (With & Without Inflation) 2011 Dollars With Inflation 2% Projected Electric Power Generation & Capacity TWH per Year Gigawatts of Capacity
28 her Water Associated Cost of Tower Operation Cost Factor Cents per Ton Hour At 2.0 gal./ton-hour lowest Median Highest Water Treatment (Chemical and other) Labor & Other TOTAL
29 Cost to Flush a ToiletatCurren Inflation Rate of 5.85% allons per Cents per Flush Cents per Flu Flush in 2014 in
30 p3 Cents er Ton Hour Cooling Tower Energy and Water/Sewer Cost per Ton Hour 2014 Year 2034 Elec. Savings Wate/Sewer Cost With Sewer Credi Water/Sewer - No Sewer Credit
31 ater Use by 750 To on System Water use on peak day at 2.5 gallons per ton hour & 75% capacity= 33,750 gallons Water use annually at 2.5 gallons per ton hour & 20% capacity= 3,285,000 gallons
32 Energy Recovery in Canada and Switzerland
33 Geothermal (Ground Source) Heat Pumps
34
35
36 Dehumidification and cooling loads from ven ntilation air L.G. III Harriman, D. Plager, D. Kosar Energy Engineering 06/ /1999; 96(6).
37
38
39
40 YE OLD DIPPER WELL FORM WAY BACK WHEN? 6 Million Gallons of Water Down the Drain Everyday Starbucks
41 A Recent Study by Univers sity of Nevada Las Vegas professor targets wasteful dipper wells
42 Cost per Day for Conventional Dipper Well Operation at National Average Water and Sewer Costs or $9.48 Per Thousand Gallons Flow Rate - Gallons per Minute 8 hours per day 16 hours per day 24 hours per day
43 UTENSIL HOLDER CONSERVEWELL
44
45 Lolsberg
46
47 Rinse ewell Water consumption is estimated at gallons per 10 second cycle
48 he Cheapes st Water You ll Ever Have Is The Wat You Alrea ady Have!
49 INNOVATE!
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