C - Chemistry – Metallurgy – 10 – K
Patent
C - Chemistry, Metallurgy
10
K
48/46
C10K 1/02 (2006.01) C10L 3/00 (2006.01)
Patent
CA 1207531
ABSTRACT Process for depressurizing fly-ash being contained in a first vessel comprising a pressurized gas by expanding the gas through at least one long and narrow pipe. The inlet of the pipe(s) dips under the upper level of the fly-ash in the first vessel. The outlet of the pipe(s) is situated in a second vessel being kept at a relatively low pressure. The gas flow through the pipe(s) entrains the fly-ash.
424863
Shell Canada Limited
Smart & Biggar
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