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Thread: RO sizing questions

  1. #1
    Join Date
    Jul 2012
    Location
    Lawrence County Ohio
    Posts
    350

    Default RO sizing questions

    Is there a formula for boiling concentrate levels?

    My question is if I'm taking 2% sap and removing 50% of water, that is making 4% concentrate correct?

    Then I am halving the boil time. I am reading where some are taking concentrate to 10% so this is 1/5th the boil time?

    New to maple, had 100 taps this year on 3/16 and had a ton of sap, have 1000+ more trees, looking to expand modularly over the next few years, and am planning my RO build/evap expansion accordingly.

    I made a spreadsheet for straight boiling, and am trying to get the formula for RO to work in it so I can determine the size RO I can build for my current evap- 25gph and then upgrade to a 2x6 or bigger in a few years and then upgrade the RO for more taps, hopefully without straight buying new equipment every year.

    Thanks for any input.

    Ben
    '12 15 jugs - Steam pans
    '17 125 3/16 - 18" x 72" drop flue on homemade arch
    '18 240 3/16 - Deer Run 125
    '19 450 3/16 - Converted RO to electric/added a membrane
    '20 600 3/16 - Maple Pro 2x6 Raised Flue, added AOF/AUF
    '21 570 3/16 - Built steam hood, Smoky Lake filter press
    '22 800 3/16 - Upgraded RO to 4 4x40
    '23 500 3/16 - Re-plumbed RO, new "Guzzler"
    '24 500 3/16 - Steam Away, DIY 8x40 RO

  2. #2
    Join Date
    Mar 2011
    Location
    North Grenville, Ontario
    Posts
    969

    Default

    I have the MES app for my phone. It's got a couple cool calculators that can give you an idea. But you are right. If you bring 2% sap to 4% you are taking off %50 of water. There is a calculator for that also. Their calculator uses 87 as the divider on the sap calculator. So if you know the grid of your sap say 1% it will take 87 gallons of sap to make 1 gallon of syrup. Then you would have to factor in your evaporator gph to get an accurate boil time.
    600 taps on vacuum
    Lapierre mechanical Releaser
    CDL electric releaser
    2.5 x 10 CDL Venturi ( new for the 2024 season )
    Home made modulating auto draw off
    Homemade RO 2 x 4" membranes
    CDL 16 x 16 bottler
    Wesfab 7" filter press
    Delaval 73 vacuum pumps

    12 hives of bees

  3. #3
    Join Date
    Jul 2012
    Location
    Lawrence County Ohio
    Posts
    350

    Default

    Thanks Bricklayer- still plugging away at #'s,google earth, kmz files., my budget.....1500 sugar & reds trees callin my name every night.
    '12 15 jugs - Steam pans
    '17 125 3/16 - 18" x 72" drop flue on homemade arch
    '18 240 3/16 - Deer Run 125
    '19 450 3/16 - Converted RO to electric/added a membrane
    '20 600 3/16 - Maple Pro 2x6 Raised Flue, added AOF/AUF
    '21 570 3/16 - Built steam hood, Smoky Lake filter press
    '22 800 3/16 - Upgraded RO to 4 4x40
    '23 500 3/16 - Re-plumbed RO, new "Guzzler"
    '24 500 3/16 - Steam Away, DIY 8x40 RO

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