{"id":3446,"date":"2009-09-17T23:24:18","date_gmt":"2009-09-18T07:24:18","guid":{"rendered":"http:\/\/www.horace.org\/blog\/2009\/09\/17\/washing-without-water\/"},"modified":"2009-09-17T23:24:18","modified_gmt":"2009-09-18T07:24:18","slug":"washing-without-water","status":"publish","type":"post","link":"https:\/\/www.horace.org\/blog\/2009\/09\/17\/washing-without-water\/","title":{"rendered":"Washing without water"},"content":{"rendered":"

\nThere will be a new meaning to the term dry cleaning. Washing clothes using nylon beads instead of water is an interesting idea. The only question is how much the nylon beads costs. Water is pretty cheap, it is hard to beat the cost of using water?\n<\/p><\/blockquote>\n

<\/p>\n

Sep 3rd 2009 – The Economist
\nEnvironment: A washing machine uses thousands of nylon beads, and just a cup of water, to provide a greener way to do the laundry<\/p>\n

SYNTHETIC fibres tend to make low quality clothing. But one of the properties that makes nylon a poor choice of fabric for a shirt, namely its ability to attract and retain dirt and stains, is being exploited by a company that has developed a new laundry system. Its machine uses no more than a cup of water to wash each load of fabrics and uses much less energy than conventional devices.<\/p>\n

The system developed by Xeros, a spin-off from the University of Leeds, in England, uses thousands of tiny nylon beads each measuring a few millimetres across. These are placed inside the smaller of two concentric drums along with the dirty laundry, a squirt of detergent and a little water. As the drums rotate, the water wets the clothes and the detergent gets to work loosening the dirt. Then the nylon beads mop it up.<\/p>\n

The crystalline structure of the beads endows the surface of each with an electrical charge that attracts dirt. When the beads are heated in humid conditions to the temperature at which they switch from a crystalline to an amorphous structure, the dirt is drawn into the core of the bead, where it remains locked in place.<\/p>\n

The inner drum, containing the clothes and the beads, has a small slot in it. At the end of the washing cycle, the outer drum is halted and the beads fall through the slot; some 99.95% of them are collected.<\/p>\n

Because so little water is used and the warm beads help dry the laundry, less tumble drying is needed. An environmental consultancy commissioned by Xeros to test its system reckoned that its carbon footprint was 40% smaller than the most efficient existing systems for washing and drying laundry.<\/p>\n

The first machines to be built by Xeros will be aimed at commercial cleaners and designed to take loads of up to 20 kilograms. Customers will still be able to use the same stain treatments, bleaches and fragrances that they use with traditional laundry systems. Nylon may be nasty to wear, but it scrubs up well inside a washing machine.<\/p>\n","protected":false},"excerpt":{"rendered":"

There will be a new meaning to the term dry cleaning. Washing clothes using nylon beads instead of water is an interesting idea. The only question is how much the nylon beads costs. 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Due to different reasons, this task is procastinated until the last day of the long weekend. We started the battle after dinner. With a hind sight, we made the right decision having dinner first, or we won't have enough energy\u2026","rel":"","context":"In "Daily Scribble"","block_context":{"text":"Daily Scribble","link":"https:\/\/www.horace.org\/blog\/category\/_scribble\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":76,"url":"https:\/\/www.horace.org\/blog\/2005\/04\/30\/car-wash-and-bbq\/","url_meta":{"origin":3446,"position":1},"title":"Car wash and BBQ","author":"hevangel","date":"April 30, 2005","format":false,"excerpt":"Contrary to last night, I went to BBQ at Jackson's place with a big group of colleagues tonight. I arrived a bit earlier so I also washed my car using Jackson's fancy car washing equitments. 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I had done\u2026","rel":"","context":"In "Daily Scribble"","block_context":{"text":"Daily Scribble","link":"https:\/\/www.horace.org\/blog\/category\/_scribble\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":134,"url":"https:\/\/www.horace.org\/blog\/2005\/06\/26\/carwash\/","url_meta":{"origin":3446,"position":3},"title":"Carwash","author":"hevangel","date":"June 26, 2005","format":false,"excerpt":"I am very exhausted today. After the auction dinner last night, I have to get up early at seven thirty this morning for another fund raising event, car washing at St. Paul. I think the word volunteer work or WYD promotion as a more appropriate description. 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