Decreasing cyanide content by an electrochemical technique
Decreasing the cyanide and heavy metal content of an aqueous...
Decyanation apparatus and process for purifying water from...
Deep submergence rotating biological contactor apparatus
Deep tank aeration using eductor tubes of elongate...
Defoaming, deaerating, and drainage aid compositions
Degasification and clarification of liquid dispersions
Degerminating bath water contaminated by the bacteria...
Degradation of ferric chelates by a pure culture of...
Degradation of organic toxics by electro-oxidation
Degradation of petroleum products on water surfaces
Degritting and fiber removal with cyclone and filter
Dehalogenation of halogenated hydrocarbons in aqueous...
Dehydration toilet having an infusion odor capturing steam...
Dehydration unit
Deionized water or high purity water producing method and...
Demineralization of aqueous solution in cell including ionic...
Denitrifaction of septic tank effluent
Denitrification process and system
Denitrification systems and methods