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Energy Efficiency & Sustainability Solutions for Industry – DOE Sponsored Programs at the University of Michigan. Arvind Atreya Professor, Department of Mechanical Engineering Director, Michigan Industrial Energy Center University of Michigan, Ann Arbor 48109
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Energy Efficiency & Sustainability Solutions for Industry – DOE Sponsored Programs at the University of Michigan Arvind Atreya Professor, Department of Mechanical Engineering Director, Michigan Industrial Energy Center University of Michigan, Ann Arbor 48109 Tel: (734) 647 4790 ; Cell: (734) 972 3542 aatreya@umich.edu
Range of Programs at U of M Purpose: Increase energy efficiency, productivity, profitability, and reduce pollutants in manufacturing processes. An Integrated delivery of Service, Education & Research from UM. • Industrial Assessment Center (IAC) – DOE • Small & medium sized industries – usually simple implementable measures. • Michigan Industrial Energy Center (MIEC) – DOE • Larger industries – more sophisticated measures • Energy Managers Training – UM distance learning. • Renewable Energy & Energy Efficient Technology Demonstration – State of Michigan. • High payoff new technology demonstration. Best of all: IT IS FREE AND CONFIDENTIAL
Why Industry – It is the largest energy using sector • 32% of total U.S. consumption ~ 32 Quads > transportation ~ 28% • 37% of U.S. natural gas demand • 29% of U.S. electricity demand • 30% of U.S. greenhouse gas emissions • Studies show that energy efficiency is the most cost-effective CO2 reduction option • Large opportunities for: • Energy reduction • Emissions reductions • Fuel flexibility • Green biofuels
Facilities 8% Other4% Electro-chemical 2% Small 5% (MIEC training) ProcessCooling1% 112,398 Mid-Size Plants 37% Steam 35% Motor Systems 12% Combustion of fossil fuels. Either in boilers or furnaces. IAC & MIEC Process Heating 38% Manufacturing Energy Used by Plant Size and System Type (%) System Type: % Total Energy Use Plant Size: % Total Energy Use 4,014 Large Plants 58% MIEC & State of Michigan
Industrial Assessment Centers (IACs) • Energy audit and industrial assessment • No cost to small/medium manufacturers • Conducted by university-based team of engineering faculty and students • Confidential report sent to plant within 60 days of the site visit • Usually simple implementable measures. • Average savings per assessment: $50,000/yr • 4 – 5 students trained and financially supported each year • Industries may require financial assistance in the form of rebates & low-interest loans – State and Utilities.
Components of the IAC Assessment Pre-Assessment Analysis & Reporting Assessment Visit Follow Up • Duration: One Day • Meet with plant management team • Present details of pre-assessment analysis • Tour plant • Collect operating data • Conduct diagnostic testing • Discuss preliminary assessment findings with management • Prioritize potential recommendations for further analysis • Conduct follow up discussions with plant, 6-9 months following assessment visit • Identify implemented energy savings • Upload implementation data into the IAC database • Conduct engineering and financial analyses of priority recommendations • Develop first order estimates of implementation costs • Document results in “GOLD Standard” format assessment report • Upload report data into IAC database • Deliver report to plant within 60 days from plant visit • To be completed before assessment visit • Gather plant data including product type, annual sales levels, production levels, operating hours • Study processes and plant layout • Analyze utility billing data • Identify key energy systems • Develop assessment day strategy
Michigan Industrial Energy Center (MIEC) EPACT, EISA & MI-SB213
Energy Opportunities in the Industrial Sector Efficient Operating and Maintenance Practices: High payback operating practices to enhance efficiency in manufacturing. – Help provided by IAC & MIEC through visits & training. Adoption of State-of-the-Art Technology: Improved energy efficiency through new available technology. – Implementation help from MIEC & State of MI. Fuel and Feedstock Substitution: Fuel flexibility to adapt to dynamic energy prices and supply issues – New Technology Implementation: MIEC, State of MI, & IAC. MIEC & IAC can also provide Renewable Fuel Technology Solutions: To improve global competitiveness & meet the Global Warming and Environmental Regulations. – Requires technology innovation and research.
Maximum It is important to note that the proposed system provides fuel savings due to both preheat and O2%. Fuel Savings – O2 enrichment + air preheat Example: