| 摘要 |
<p>TREATMENT OF AQUEOUS SLUDGES Aerobically digestible sludges such as water treatment sludges are subjected to aerobic digestion in a vessel wherein agitation of the sludge is effected using submerged jets of the sludge. The oxygen may advantageously be introduced into the digesting sludge in admixture with the sludge jets, and thus very effectively be distributed throughout the sludge in the vessel. Apparatus for carrying out the process includes means for producing submerged jets of sludge and, in a preferred embodiment, submerged jets of a mixture of sludge and oxygen.</p> |
