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Recapture of ions applied in a wash process

一种离子、金属离子的技术，应用在洗衣机的控制装置、应用、家里用具等方向，能够解决环境问题等问题

Inactive Publication Date: 2008-11-12
WHIRLPOOL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of these ions in scrubbing systems can pose environmental concerns if the ions are allowed to flow into the wastewater system

Method used

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  • Recapture of ions applied in a wash process
  • Recapture of ions applied in a wash process
  • Recapture of ions applied in a wash process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0072] In one embodiment of the present invention, as figure 1 As shown, a wash cycle 20 comprising a plurality of steps is provided. Step 22 includes loading the bottom charge 25 for cleaning into the washing zone 21 of the washing machine 23 ( figure 2 ). The washing zone 21 may be located within a rotatable drum 27 of a horizontal axis washing machine or a vertical axis washing machine. Other types of washer configurations, including dishwashers, may also be used. Specific embodiments of the invention are sometimes described herein with specific reference to washing machines, however the invention is not limited to laundry or other fabric wash cycles, but is applicable to many different substrates to be washed, including dishware.

[0073]The wash cycle 20 includes a step 24 of providing wash liquor. Scrubbing fluids are generally fluid, and can be liquid, gas, vapor, foam, or some combination of these states. The chemical composition of the wash liquor changes as dif...

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PUM

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Abstract

A wash cycle is provided for a clothes washer, the clothes washer having a wash zone for receiving a substrate load to be cleaned. The wash cycle includes a step of providing a wash liquor for applying to the substrate load. Another step is loading the wash zone with the substrate load. Another step is mixing metal ions with an inactive bleaching agent as catalyst agents to catalyze an activation reaction to produce an active bleaching agent. Another step is combining the active bleaching agent with the wash liquor. Another step is applying the wash liquor with the active bleaching agent to the substrate load. Another step is capturing the metal ions prior to a disposal of the wash liquor.

Description

Background technique [0001] When cleaning fabrics and other substances such as dishes, it is known to use bleach to remove different kinds of soils. Bleach can be combined with detergency chemicals, such as in detergency solutions or powders sold to equipment users. In this case, the bleach is incorporated into the wash liquor at the same time as other wash chemicals, such as enzymes, and the two chemicals may counteract or reduce the effect of the other, reducing the possible washing power of the detergent. [0002] Additionally, bleach may not remain stable over extended periods of time, especially if the bleach is in an activated state or condition. This either requires the bleach to be provided in a stable but non-activated state, which is inefficient in providing bleaching or oxidation, or requires the bleach to be used immediately after it has been formulated, which reduces the effective shelf life of the detergent. [0003] It is known to activate bleaches with metal ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F33/00D06F39/02C11D3/395D06L4/75D06L4/70
CPCD06F35/003D06F35/006D06F39/006
Inventor T·怀特Z·于瑟夫J·A·莱科曼R·D·瑞赫尔
Owner WHIRLPOOL CORP