| abstract |
【Task】 The present invention is extremely effective for deodorizing hydrogen sulfide gas, which is often used in toilets, refrigerators, and hot springs, among many offensive odor gases, and maintains the deodorizing effect without heating and washing. The problem is to provide a maintenance-free deodorizing filter. [Solution] The metal phthalocyanine complex is supported on a honeycomb-shaped filter composed of activated carbon mixed paper subjected to cationization treatment, and then the filter is placed in a high PH environment, and further a weak alkaline metal salt is supported on the hydrogen sulfide gas. The present inventors have found that a deodorizing filter that can be efficiently decomposed and has a deodorizing effect can be easily provided at low cost, and has led to the present invention. [Selection] None |