C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/08 (2006.01) B05D 5/12 (2006.01) C04B 41/45 (2006.01) C23F 15/00 (2006.01) G01N 17/00 (2006.01) G01N 27/60 (2006.01)
Patent
CA 2097295
2097295 9307100 PCTABS00021 The invention provides a method of selecting candidate coating materials for high temperature applications. The method involves measuring the zeta potentials of a fouling material and a candidate coating or surface. Figure shows the experimental arrangement used for zeta potential measurement. Pump (1) flows electrolyte into the loop (2). Heating tapes (3) are wrapped around the tubing and controlled by temperature controllers (4). A YSZ pH electrode (5) and an external pressure balanced reference electrode (6) measures pH. System pressure is measured by gauge (7) and maintained by release valve (8). The solution is cooled with cooling jacket (9). Substance powder (11) to be measured is packed into a rulon column (10) and held by Pt screens (12) and teflon filters (13). Electrode contacts are made through rulon ferrules (14). A differential pressure transducer (15) is provided.
Hettiarachchi Samson
Jayaweera Palitha
Ocken Howard
Electric Power Research Institute
Hettiarachchi Samson
Howard Ocken To Electric Power Research Institute Inc.
Jayaweera Palitha
Ocken Howard
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