Ceramic wool can not adequately remove. It is easily respirable, bio-half-life of 100-120 years (compared Asbestos: 100 years), is highly carcinogenic (same mechanism as asbestos) and is (are longitudinally split fibers) in its harmfulness by thermal action kompetetenter.
In this respect, much of this due to health reasons "feng shui" table-Dekofeuer discouraged!
A disappointed and now worried about his health medical student.