Abstract: Disclosed is a process for disinfecting the sludge bi-product of an organic waste stream of pathogenic bacteria and helminth ova commonly found in organic sludges, which includes the step of intimately contacting sludge with an effective amount of an aqueous solution having a solute of at least one of a class of chemical compounds which liberate methyl-isothiocyanate gas upon commingling with organic sludge. Following disinfection the sludge may be subjected to supplemental process for extermination of enteric virus and/or conditioned for recycling as a nutricious plant medium.

Abstract: There is disclosed a process and product made by said process, for conversion of organic waste sludges bearing potentially pathogenic bacteria, helminth ova and enteric virus into a non-odoriferous, non-pathogenic agricultural medium which is highly nutritious to plant life; which process includes: disinfecting the sludge by thoroughly mixing the organic sludge with an effective amount of at least one of a class of chemical compounds which form methyl-isothiocyanate ("MITC"), such as sodium N-methyldithiocarbamate in aqueous solution and increasing the pH of the sludge to substantially 12 or more for an effective length of time; and, conditioning the disinfected sludge with electrolytic soil additive, hydrophilic polymer, organic bulking agents and/or inorganic conditioning materials. The product of said process constitutes a composition highly beneficial as a plant growing medium, soil enriching additive and the like.

Abstract: There is disclosed a process and product made by said process, for conversion of organic waste sludges bearing potentially pathogenic bacteria into a non-odoriferous, non-pathogenic agricultural medium which is highly nutritious to plant life; which process includes: blending the organic sludge with an effective amount of at least one of a class of chemical compounds which form methyl isothiocyanate ("MITC") in aqueous solution, such as sodium N-methyldithiocarbamate; blending the MITC treated sludge with an effective amount of electrolytic soil additive; blending the MITC and soil conditioner treated sludge with an effective amount of a hydrophilic polymer, such as potassium polyacrylate; and, blending the MITC, soil electrolytic additive, hydrophilic polymer treated sludge with organic bulking agents and inorganic conditioning materials.