초록

A ceramic water purifying device is provided. The device includes a silver treated packed particle bed in one embodiment. The device may also include feldspar or bottled glass.

대표청구항 ▼

1. A device for purifying water comprising a silver treated packed particle bed, the particle bed comprising particles selected from the group consisting of grog or expanded shale. 2. The device of claim 1 wherein the grog comprises bisqued pottery. 3. The device of claim 1 wherein the grog comprise

1. A device for purifying water comprising a silver treated packed particle bed, the particle bed comprising particles selected from the group consisting of grog or expanded shale. 2. The device of claim 1 wherein the grog comprises bisqued pottery. 3. The device of claim 1 wherein the grog comprises a burn out material mixed with clay. 4. The device of claim 1 wherein about 80% of the particles in the packed particle bed have a size of between about 20 and about 80 mesh and about 20% of the particles in the packed particle bed have a size of sub 80 mesh. 5. The device of claim 1 further comprising a back-flush bed. 6. The device of claim 5 wherein the back-flush bed comprises one layer at the upper end of the device and one layer at the lower end of the device. 7. The device of claim 1 wherein the silver is silver nitrate. 8. The device of claim 1 wherein the packed particle bed comprises particles that have been fired between about 1000° C. to about 1150° C., treated with silver, and then fired a second time from 500° C. to about 600° C. 9. The device of claim 1 wherein the grog comprises feldspar grog.