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  1. thermodynut

    DIY expanded shale

    I have a great deal of shale ... Has anyone ever heard of onsite processing of expanded shale? It might be useful in improving the very heavy silty clay loam elsewhere on the property.
  2. thermodynut

    accidental wetlands from compaction?

    On a site in eastern US mountains, there was a sawmill for many years (35?). The operation was placed on level land between a fairly steep slope and a stream. It spread about 1000 feet parallel with the stream. In addition, another 500 feet down stream was used for a sawdust spread area...
  3. thermodynut

    CO2 enthalpy

    1. Be kind, first post by engineering school dropout, now entrepeneur. 2. I'm working out a power-required calculation for a CO2 refrigerant heat pump. Consulting an old Handbook of Engineering Calculations by T.G. Hicks, I find he derives power requirements for the compressor from the...

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