Patent ID: 8748167

Claim:
An air purifier comprising: a tub capable of containing a liquid; flow restrictor walls in said tub; an outer arcuate reactor plate in said tub wherein said outer arcuate reactor plate comprises a first truncated cylinder with a first truncation and a second truncation wherein said first truncation is an open truncation and said second truncation is attached to said flow restrictor walls; an intermediate arcuate reactor plate interior to said outer arcuate reactor plate wherein said intermediate arcuate reactor plate comprises a second truncated cylinder; an interior arcuate reactor plate interior to said intermediate arcuate reactor plate wherein said interior arcuate reactor plate comprises a third truncated cylinder comprising a third truncation and a fourth truncation wherein said third truncation is an open truncation and said fourth truncation is attached to said flow restrictor walls; a pump situated to draw said liquid from a region formed by said interior arcuate reactor plate and said flow restrictor walls for distribution onto a cap; said cap on said tub wherein said cap comprises liquid voids wherein said liquid passes through said liquid voids and wets at least one of said outer arcuate reactor plate, said intermediate arcuate reactor plate, said interior arcuate reactor plate or said flow restrictor walls to form a moist surface; an air inlet for bringing contaminated air into contact with biocatalyst on at least one said moist surface thereby forming purified air; and an air outlet for discharging said purified air from said air purifier.