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Thread: CDL 600gph expandable concentrate %

  1. #1
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    Default CDL 600gph expandable concentrate %

    I have a cdl 600 gph expandable. I am adding another membrane to it this off season just wondering what I can get for max Brix in a single pass? And the flow rate.
    2019:250 gallons
    2020:324 gallons
    2021:?

  2. #2
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    Tell us more, what do you get now and what pressure do you run at? How about re-circulation now?
    Dave Klish, I recently ordered a 2x6 wood fired evaporator from A&A Sheet Metal which I will be converting to oil fired
    Now have solar, 2x6 finish pan, 5 bank 7x7 filter press, large water jacketed bottler, and tankless water heater.
    Recently bought another Gingerich RO, this one was a 125, but a second membrane was added thus is a 250, like I had.
    After running a 2x3, a 2x6, 3x8 tapping from 79 taps up to 1320 all woodfired, now I'm going to a 2x6 oil fired and a 200-425 taps.

  3. #3
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    We are getting 14% one pass output 48gph. Neighbor has 2 post getting 21% one pass 150gph
    Fred Ahrens
    330-206-1606
    Richards Ohio Maple Equipment
    Ohio CDL sales rep
    LaPierre Dealer
    H&M maple fabricator Dealer
    Service Tech/repair for all brands and electronics

    don't take life too serious, nobody gets out alive anyways!

  4. #4
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    Quote Originally Posted by maple flats View Post
    tell us more, what do you get now and what pressure do you run at? How about re-circulation now?
    450-475 lbs pressure. Completely different than what you run dave

    calvert thats starting with 2-2.2% sap
    Fred Ahrens
    330-206-1606
    Richards Ohio Maple Equipment
    Ohio CDL sales rep
    LaPierre Dealer
    H&M maple fabricator Dealer
    Service Tech/repair for all brands and electronics

    don't take life too serious, nobody gets out alive anyways!

  5. #5
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    Quote Originally Posted by fred View Post
    450-475 lbs pressure. Completely different than what you run dave

    calvert thats starting with 2-2.2% sap
    My sap is between 1.5 and 2.2. This year it hovered around 1.5% I run my my pressure at 400psi normally
    2019:250 gallons
    2020:324 gallons
    2021:?

  6. #6
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    Quote Originally Posted by calvertbrothers View Post
    my sap is between 1.5 and 2.2. This year it hovered around 1.5% i run my my pressure at 400psi normally
    if you increase your pressure you could gain a little. At 1.5% you probably get 9-10% concentrate? Could get to 12%.

    With a second tower 17-18% likely.
    Fred Ahrens
    330-206-1606
    Richards Ohio Maple Equipment
    Ohio CDL sales rep
    LaPierre Dealer
    H&M maple fabricator Dealer
    Service Tech/repair for all brands and electronics

    don't take life too serious, nobody gets out alive anyways!

  7. #7
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    Quote Originally Posted by maple flats View Post
    Tell us more, what do you get now and what pressure do you run at? How about re-circulation now?
    Honestly I recirculate into my tank idk what one pass would be. I run my concentration at 3.5gpm at 400psi until I get 18 brix in the tank then I send it to the head tank. My goal is 16 to 18 percent brix in one pass.
    2019:250 gallons
    2020:324 gallons
    2021:?

  8. #8
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    Quote Originally Posted by fred View Post
    if you increase your pressure you could gain a little. At 1.5% you probably get 9-10% concentrate? Could get to 12%.

    With a second tower 17-18% likely.
    Perfect! What would be the flow rate of the concentrate? I’m boil on a 2x6 now but I am jumping to a 4x12 evaporator not this coming up season but the following season. I figure I would need a 3.5gpm for the 4x12 evaporator. And I want to be at 16+%
    2019:250 gallons
    2020:324 gallons
    2021:?

  9. #9
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    I have a two post cdl and get between 15-20% in one pass, depending on sap sugar%.MES membranes also. I set the concentrate at 1 gpm and the pressure to 400psi. Permeate on 1st post is 7gpm and 2 nd post is 3gpm. I wash most everyday too.

  10. #10
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    Quote Originally Posted by mountainvan View Post
    I have a two post cdl and get between 15-20% in one pass, depending on sap sugar%.MES membranes also. I set the concentrate at 1 gpm and the pressure to 400psi. Permeate on 1st post is 7gpm and 2 nd post is 3gpm. I wash most everyday too.
    At 1 gpm the membrane doesn’t plug? How much sap do you get through it before you have to quick rinse?
    2019:250 gallons
    2020:324 gallons
    2021:?

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