Abstract: A collapsible bugle tube for game calling is a lightweight, compact, and adjustable tool for producing realistic game calls. The bugle tube may be transformed from one or more in-use configurations into reduced-size transport configuration. The collapsibility, and adaptability for cooperation with various mouthpieces, ensure the call can produce a range of sounds that are particularly beneficial for attracting elk. The bugle tube includes tube portions that telescope into the one or more in-use configurations. An endcap is used to create back-pressure in the bugle tube for resonant and realistic game call sounds. The endcap is also used for securing all of the tube portions in the transport configuration, or for securing to the endcap selected but not all of the tube portions to allow extension of various of the tube portions to create multiple in-use configurations.

Abstract: A method for separating hydrocarbon content from a hydrocarbon contaminated matrix. The method includes controlling water content of a feed material having the hydrocarbon contaminated matrix; continuously conveying the feed material into a treatment cavity; exposing the feed material in a treatment area of the treatment cavity to microwave radiation arranged to cause rapid heating of at least a portion of the water content to form steam, wherein the rapid steam formation results in thermal desorption of at least a portion of the hydrocarbon content from the matrix; and continuously removing the treated matrix from the treatment cavity.

Abstract: A method for separating a hydrocarbon content from a hydrocarbon contaminated matrix is disclosed. The method comprises controlling a water content of a feed material comprising the hydrocarbon contaminated matrix; continuously conveying the feed material into a treatment cavity (3), exposing the feed material in a treatment area (8) of the treatment cavity to microwave radiation arranged to cause rapid heating of at least a portion of the water content to form steam, wherein the rapid steam formation results in thermal desorption of at least a portion of the hydrocarbon content from the matrix; and continuously removing the treated matrix from the treatment cavity.