TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The peroxide is hydrogen peroxide, permanganates, percarbonates, perborates, metal dioxides, urea peroxyhydrate, percarboxylic acids, such as peracetic or perpropionic acid, peroxydisulfate salts, such as ammonium peroxydisulfate and potassium peroxydisulfate, peroxymonosulfate salts, such as sodium peroxymonosulfate, potassium peroxymonosulfate, ammonium peroxymonosulfate, magnesium peroxymonosulfate, quaternary ammonium peroxymonosulfate and/or carboxylic acid peroxymonosulfate. The peroximonosulfate-compound is potassium peroxymonosulfate triple salt. The surfactant is selected from the salts of alkylsulfonates and alkylarylsulfonates, the salts of alkylsulfates and alkylarylsulfates, the salts of alkylnaphthalenesulfonates and alkyldiphenylthesulfonates, the salts of dialkylsulphosuccinates; n- alkyldimethylbenzylammonium chloride, n-alkyldimethylethylbenzyl- ammonium chloride, dialkyldimethylammonium chloride, alkyloxypropyldihydroxyethylmethylammonium chloride, alkylbenzyl- imidazolyl chloride and the diquaternary cationic surfactants, known as Diquat; ethoxylated nonylphenols, ethoxylated dinonylphenols, ethoxylated linear alcohols, ethoxylated dodecylphenols, ethoxylated octylphenols, alkanolamides, ethoxylated alkanolamides, ethylene oxide-propylene oxide copolymers, ethoxylated propoxylated nonylphenols and ethoxylated propoxylated linear alcohols. The surfactant is sodium dodecylbenzenethesulfonate or Diquat. The water soluble salt or base is selected from potassium bicarbonate, sodium bicarbonate and/or ammonium bicarbonate. The zeolite is natural or synthetic zeolites such as clinoptylolite and zeolite A. The coloring is an oxidimetric colouring agent selected from diphenylamine, diphenylbenzidine, indigo derivative, phenothiazine and safranine (preferably amaranth). Preferred Composition: The composition is formulated in liquid or solid form. The a:b ratio is 1:4 to 4:1 and the amount of alkalinizing agent is 0-20 wt.% in relation to the basic mixture (a+b). The components a and b are in dosage units such as to obtain a final amount of (a+b) in aqueous solution is 0.05-10 (preferably 0.5-1.5) wt.%. Preferred Method: The peroximonosulfate compound and the surfactant are combined in a ratio of 1:1. ACTIVITY - Antibacterial. No biological example given.    MECHANISM OF ACTION - None given.    EXAMPLE - A solid composition was prepared comprising (%)peroximonosulfate (75), sodium dodecylbenzenethesulfonate (20), clinoptilol (5) and amaranth (0.001) at pH 2.5. The superficial organic materials present in the biofilters, when sprayed by nebulization with a solution of the composition, were deodorized and their oxidation was facilitated.