Abstract: A portable human and fibrous waste maceration and disposal system comprising a receiver vessel, a macerator and portable holding tank. Optionally it will be mounted on wheels or adapted for mounting on a removable cart. In some embodiments it will be a single multi-component system and in others a collection of units with detachable holding tank(s). Operation may be automated.

Abstract: Disclosed is an improved dryer vent alarm system that has an elbow shaped vent conduit attachment that contains sensor(s) for dryer operation and for air flow to enable detection of and input to an alert module for reduced air flow from the dryer that may indicate vent plugging. Embodiments include a dryer vent system comprising: a dryer exhaust conduit attachment having a dryer operation sensor and a flow sensor that communicates with an alert module to provide an indication of reduced or disrupted air flow from a dryer, wherein the exhaust conduit attachment is a rigid or semi-rigid circular elbow shaped conduit, one end adapted to be attached to a dryer outlet and the other end to a conventional vent conduit.