发明名称 |
METHOD AND SYSTEM FOR WASHING. |
摘要 |
<p>A washing system for use in cleaning or washing a soiled substrate or substrates, the system comprising: a. a washing zone for contacting the soiled substrate with wash liquor; b. a feed supply for providing hot or cold feed water to the washing zone; c. a water-softening zone intermediate the feed supply and washing zone and in fluid communication therewith; d. an effluent storage and/or discharge zone; and e. a product dispensing zone intermediate the water softening zone and washing zone; and wherein the water-softening zone is effective to soften the water to a residual Ca2+ hardness of 1mmol/L or less with a soft water flux of at least about 2 L/h, preferably at least about 10 L/h at a feed water pressure in the range from about 100 to about 1000 kP (1-10 bar). The water-softening zone is preferably a nanofiltration device having a cut-off in the range from about 100 to about 1000 Daltons, a clean water flux of at least 3 L/m2.h.100kp (RO water at 25 degree C), and a magnesium ion rejection of at least 50%. The washing system is preferably used for washing laundry.</p> |
申请公布号 |
MXPA06013317(A) |
申请公布日期 |
2007.02.07 |
申请号 |
MX2006PA13317 |
申请日期 |
2005.05.13 |
申请人 |
THE PROCTER & GAMBLE COMPANY |
发明人 |
SMETS, JOHAN;BAECK, ANDRE CESAR;CONVENTS, ANDRE CHRISTIAN;VAN STEENWINCKEL, PASCALE CLAIRE ANNICK |
分类号 |
A47L15/42;D06F39/00 |
主分类号 |
A47L15/42 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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