| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an air cleaner for efficiently treating the air containing two or more contaminants by bringing the air into contact with a liquid. <P>SOLUTION: This air cleaner is provided with a gas-liquid contacting means for bringing air into contact with a treating liquid to decrease contaminants in the air by the treating liquid, at least one of an air sending means and an air sucking means for taking-in air and introducing the taken air into the gas-liquid contacting means and a pH controlling means for changing the pH of the treating liquid of the gas-liquid contacting means with time. The air containing two or more contaminants can be treated efficiently by changing the pH of the treating liquid with time. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
