FUEL ADDITIVE FOR PREVENTING SLAGGING AND METHOD FOR BURNING FUEL

Title:

FUEL ADDITIVE FOR PREVENTING SLAGGING AND METHOD FOR BURNING FUEL

Document Type and Number:

WIPO Patent Application WO/2002/077132

Kind Code:

A1

Abstract:

A fuel additive for preventing slagging which comprises a composition comprising water and/or an oil and, dispersed stably therein, one or more of an aluminum compound, a silica compound, a titanium compound and a zirconium compound in the form of ultra-fine particles having a particle diameter of 3 to 200 nm, and an alkali metal (R = Na or K) compound in an amount of 2 wt % or less in terms of R¿2?O. The above fuel additive is used for preventing slagging caused by ash contents present in an oil during the burning of various fuels, in particular, a fuel having a high ash content such as coal or oil coke. The ash deposited on the surface of a furnace wall or a water tube can be released and fallen with ease from the surface by addition of the above fuel additive to a liquid fuel or a solid fuel prior to the burning thereof.

Inventors:

SHOUJI MASAKI (JP)
ONOZAWA TERUO (JP)
NAKAI SHIGERU (JP)

Application Number:

PCT/JP2002/002661

Publication Date:

October 03, 2002

Filing Date:

March 20, 2002

Export Citation:

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Assignee:

TAIHO IND CO (JP)
SHOUJI MASAKI (JP)
ONOZAWA TERUO (JP)
NAKAI SHIGERU (JP)

International Classes:

B01J13/00; C10G75/04; C10L1/00; C10L1/10; C10L1/12; F23J7/00; C10L9/10; C10L10/00; C10L10/04; C10L10/06; C10L10/18; C10M159/20; C10M159/22; F23K1/00; F23K5/08; F23K5/10; C10L1/16; C10L1/18; C10L1/22; C10L1/24; (IPC1-7): C10L10/04; C10L1/00; C10L1/12; F23J7/00; F23K5/08

Foreign References:

JPS61152794A	1986-07-11
JPS62167391A	1987-07-23
JPS52151304A	1977-12-15
JPS62167393A	1987-07-23
JPS6277508A	1987-04-09
JPS61250416A	1986-11-07
JPS59132927A	1984-07-31
JPS61250416A	1986-11-07
JPS6277508A	1987-04-09
GB1005957A	1965-09-29
US3343908A	1967-09-26
GB1189356A	1970-04-22

Other References: