Compost aeration system comprised of rigid PVC pipes, steel bars and plastic risers in the nature of air and liquid transfer element for aerating of compost and draining of excess liquid contained therein; Compost aeration system comprised of rigid PVC pipes, steel bars and plastic risers in the nature of air and liquid transfer element for aerating of compost and draining of excess liquid contained therein and also including power operated blowers to deliver air to compost; Compost aeration system comprised of rigid PVC pipes, steel bars and plastic risers in the nature of air and liquid transfer element for aerating of compost and draining of excess liquid contained therein, and also including electronic control systems for operation of aeration systems; Compost aeration system comprised of rigid PVC pipes, steel bars and plastic risers in the nature of air and liquid transfer element for aerating of compost and draining of excess liquid contained therein, and also including bioreactors for use in the treatment of waste, namely, for use in creating compost