Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – Gallium containing
Reexamination Certificate
2005-09-27
2008-09-09
Lawrence, Frank M (Department: 1797)
Catalyst, solid sorbent, or support therefor: product or process
Zeolite or clay, including gallium analogs
Gallium containing
C502S074000, C062S112000, C062S238300, C062S324200, C062S476000
Reexamination Certificate
active
07422993
ABSTRACT:
The present invention provides an adsorbent for adsorption heat pump and humidity-control air conditioner, which is capable of adsorbing an adsorbate therein and desorbing the adsorbate therefrom in a narrow relative vapor pressure range, and can be regenerated (desorption) at a low temperature. Also, the present invention provides an adsorption heat pump and humidity-control air conditioner using the adsorbent which can be effectively operated even by a low-temperature heat source, as well as methods of operating the adsorption heat pump and humidity-control air conditioner by effectively utilizing low-temperature exhaust heat. The absorbent of the present invention comprises zeolite containing (i) aluminum, (ii) phosphorus and (iii) iron and/or gallium in a skeletal structure thereof, which is substantially free from change in structure upon subjecting the adsorbent to adsorption and desorption of water vapor.
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International Search Report of PCT/JP2004/001867, mailed Apr. 13, 2004.
Iwade Miki
Kakiuchi Hiroyuki
Kanamori Eri
Takewaki Takahiko
Terada Shigeru
Lawrence Frank M
Mitsubishi Chemical Corporation
Nixon & Vanderhye P.C.
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