Visions - Fall 2008 - 15

In partnership with the French company Degremont S.A., Sumitomo is involved in operating wastewater treatment centers in three Mexican cities: one in San Luis Potosi (seen left and below), two in Juarez, and one in Culiacan. The water treatment process involves various stages of water cleansing and modification. The modern filtration systems use many innovative methods, initially removing deposits in a receiving pool and screening the water to remove large floating waste. Using the latest in modern technology, the water undergoes a “degreasing” process, after which the thick sediments, oils and solids are removed from the water, and the resulting sludge is collected in storage tanks. That sludge completes its own pollution elimination, dehydration, and microorganism-disabling process through biochemical treatments. The water, now separated from the sludge, is then sterilized and chlorinated. The San Luis Potosi plant also provides treatment so their water can be used as a coolant by an electric power plant. The Juarez facilities similarly puts their water through treatment so it can later be incorporated into industrial and irrigation use. The total amount of water being treated in the plants is over 5000 liters per second, resulting in water treatment for over a million local residents. The future also seems bright for these projects. Tests are currently under way in theValley of Juarez to apply the resulting sludge as crop fertilizer or soil supplements, and further expansion of the Juarez plants is planned for 2011. For more information, please contact Takashi Ishizaki at takashi.ishizaki@sumitomocorp.com Sumitomo Corporation of America 15

Visions - Fall 2008

Table of Contents for the Digital Edition of Visions - Fall 2008

Visions - Fall 2008
Contents
Sunny Days for Solar Power Supply Chain Businesses
The Power of Wind Fuels the Power of Business
Getting Our Hands Dirty With A Healthy Fertilizer Business
SCOA Delivers Environmentally-Friendly Transportation Today and Beyond
This Coffee Is For The Birds
SC Mexico Helps Deliver Cleaner Water To Residents
The View From Washington: Climate Change, Energy Policy, and the Environment
Visions - Fall 2008 - Contents
Visions - Fall 2008 - 2
Visions - Fall 2008 - 3
Visions - Fall 2008 - Sunny Days for Solar Power Supply Chain Businesses
Visions - Fall 2008 - 5
Visions - Fall 2008 - The Power of Wind Fuels the Power of Business
Visions - Fall 2008 - 7
Visions - Fall 2008 - Getting Our Hands Dirty With A Healthy Fertilizer Business
Visions - Fall 2008 - 9
Visions - Fall 2008 - SCOA Delivers Environmentally-Friendly Transportation Today and Beyond
Visions - Fall 2008 - 11
Visions - Fall 2008 - This Coffee Is For The Birds
Visions - Fall 2008 - 13
Visions - Fall 2008 - SC Mexico Helps Deliver Cleaner Water To Residents
Visions - Fall 2008 - 15
Visions - Fall 2008 - The View From Washington: Climate Change, Energy Policy, and the Environment
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