A coffin for use in an alkaline hydrolysis processes described. The coffin comprises a dissolvable receptacle for a cadaver, the dissolvable receptacle being dissolvable in the alkaline hydrolysis process. A method of disposing of a cadaver is also described. The method includes the steps of placing the cadaver into a coffin comprising a dissolvable receptacle； placing the coffin in an alkaline hydrolysis unit； and adding water and a chemical into the alkaline hydrolysis unit with the cadaver, to break down the cadaver into a fluid component and a bone residue component and to dissolve the dissolvable receptacle of the coffin by alkaline hydrolysis.
