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METHOD AND APPARATUS FOR ESTIMATING SOLIDS CONCENTRATION IN SLURRIES

United States Patent Application

20080245137
A1
View the Complete Application at the US Patent & Trademark Office
Methods of estimating concentration of solids in a slurry comprising solid material, liquid material, and optionally also gaseous material comprise passing a first ultrasonic pulse through a portion of the slurry, measuring amplitude of the first ultrasonic pulse, removing solid material from a portion of the slurry to provide a filtered liquid, passing a second ultrasonic pulse through a portion of the filtered liquid, and measuring amplitude of the second ultrasonic pulse. Measuring devices comprise a measuring device body having a passageway extending therethrough, and a sending transducer which sends ultrasonic pulses and which is mounted on the measuring device body. A system for estimating concentration of solids in a slurry comprises a containment structure defining a space for receiving a portion of the slurry, a containment structure defining a space for receiving a liquid material included in the slurry, and receiving transducers mounted on each of the containment structures.
Tavlarides, Lawrence L. (Fayetteville, NY), Norato, Michael (Aiken, SC), Shcherbakov, Alexander (Syracuse, NY), Sangani, Ashok (Fayetteville, NY)
12/ 137,083
June 11, 2008
GOVERNMENT RIGHTS [0002] The United States Government has rights in this invention pursuant to EMSP Grant No. DE-FG07-96-ER1429 between the United States Department of Energy and Syracuse University.