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z_rex

HN member
Joined
Mon, May 11, 2020, 3:00 PM UTC
HN karma
40
Public activity
8 items

About z_rex

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Recent public activity

  1. comment
    Comment #45392373

    Some back of the envelope calculations from fellows I work with suggested that the waste heat from a single gas turbine exhaust could supply enough H2 for 3 gas turbines - so a CC …

  2. comment
    Comment #45392351

    The carbon extracted in this manner is a solid - carbon black, essentially graphite particles. It could be dumped in old coal mines and recovered - essentially burying the carbon w…

  3. comment
    Comment #44361327

    A spinning generator is not outputting 10x it's rated current over any significant amount of time. You can only add so much steam or fuel to a turbine, and the rotor has a lot of i…

  4. comment
    Comment #40963174

    I work in the power generation industry. The large scale introduction of Battery Storage is going to be a game changer for renewables since it will allow overproduction during the …

  5. comment
    Comment #37837772

    One thing I never see discussed about why hydrogen is so popular as a replacement for hydrocarbons: You can fairly easily generate hydrogen from natural gas via methane pyrolysis, …

  6. comment
    Comment #31315112

    I run a restaurant. A regular domestics (bud, miller, coors) run about $1.10 per can/bottle if you get a single case. Busy bars ordering 10 cases at a time will be getting discount…

  7. comment
    Comment #31314980

    That's an awfully high cost for well liquor. The 'good' well liquor will be about $10 max, and the rotgut can be as low as $4 if you but a couple cases at a time.

  8. comment
    Comment #23142879

    The article has a section that talks about how the virus affects the brain and that the low oxygen level is because the virus may somehow suppress the brain stem reflex that causes…