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  • Users: ppeng01
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  1. ppeng01

    Bulk Material Properties for Structural Design of Silos

    Can anyone point me to a source for bulk densities of solids like limestone, pebble lime, fly ash, sodium bicarbonate, and soda ash? The best method, of course, is to test the actual material to be stored, but this is often impossible at the quotation stage. I am looking for reasonable values...
  2. ppeng01

    Cooling Tower Drift Problem

    I've got a problem with a cooling tower. The cooling tower is cooling service water that is basically city water with the normal, small concentrations of biocide and dispersants which are added and monitored by the water chemical company. The tower is performing well thermally, but has failed...
  3. ppeng01

    High Pressure Pump Recommendation, Please

    Can anyone recommend pump type/manufacturer for the following application? Service water at 90 deg F, 100 gpm to be delivered at 1500 psig (3500 ft tdh). Thanks! ppeng01
  4. ppeng01

    VENT NON-CONDENSIBLES IN PARTIAL CONDENSER?

    I have a question about a partial condenser. When I am condensing a liquid out of a gas mixture, I always thought there needed to be a gas outlet at the top of the partial condenser and a separate flowpath for the non-condensibles to prevent accumulation and vapor binding of the condenser. I...
  5. ppeng01

    What is Largest Practical Limit?

    What is the largest practical limit for a compressor? Is it feasible to compress a gas stream as large as 2e6 acfm to 100 psig?

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