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Thread: Ro sizing

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  1. #1
    Join Date
    Mar 2017
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    Vermont
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    Default Ro sizing

    I'm looking at putting a ro in my pump house to recirculate in order to accomplish two things:
    1. Not have to upgrade my 2800 gallon sap tank (Space is an issue)
    2. My poor old dump truck is tired after hauling 62000 gallons of sap and I want to truck less.
    Once completed this woods will have 5000-6000 taps.
    My question is what size RO should I buy and what are the benefits of that capacity? Thank in advance.
    Remember to keep on ticking while the sap is dripping.
    2016- 50 buckets. Made 4 gallons.
    2022- 3750 taps + Smartrek! Made 1300 gallons.
    2023- 3750 taps after removing a pump house and connected two woods. Made 800 gallons.

  2. #2
    Join Date
    Jun 2011
    Location
    South Colton, NY
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    642

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    Figure 500 gallons per hour for each 8" membrane to remove roughly 75 percent of the water. A normal run then could be 12 hours of processing time for one, 6 for two.
    3,100 taps
    60 cfm flood
    HC2
    5 by 14 oil

    Brian

  3. #3
    Join Date
    Jan 2006
    Location
    Oneida NY
    Posts
    11,565

    Default

    One aspect to keep in mind is that concentrate spoils faster. You may want refrigeration to protect the concentrate quality. You would not want to concentrate that much into a single batch and hold it for very long at all. Once concentrated it either needs to be cooled or boiled soon after or you lose sugar to concentrated microbes.
    Proctor concentrates then cools to just short of slush forming and holds it for 2 -3 days. Without refrigeration an hour or 2 might be about the max. if the outside temp is not close to freezing and the concentrate can get cooled that way.
    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.

  4. #4
    Join Date
    May 2009
    Location
    UVM Proctor Maple Research Center, Underhill Ctr, VT
    Posts
    6,413

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    Along with what others have said, note that recirculating will warm the sap/concentrate. The more you recirculate, the warmer it'll get. That will not improve sap quality.
    Dr. Tim Perkins
    UVM Proctor Maple Research Ctr
    http://www.uvm.edu/~pmrc
    https://mapleresearch.org
    Timothy.Perkins@uvm.edu

  5. #5
    Join Date
    May 2010
    Location
    Berne N.Y.
    Posts
    198

    Default

    Keep in mind the power requirements. A 6000 tap Vac pump and 1200 RO can add up if your house or other stuff are on the same service.
    2.5X10 HE
    600 RO
    Vac

  6. #6
    Join Date
    Mar 2017
    Location
    Vermont
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    Default

    This is really helpful guys thanks for the input.
    Remember to keep on ticking while the sap is dripping.
    2016- 50 buckets. Made 4 gallons.
    2022- 3750 taps + Smartrek! Made 1300 gallons.
    2023- 3750 taps after removing a pump house and connected two woods. Made 800 gallons.

  7. #7
    Join Date
    Mar 2017
    Location
    Vermont
    Posts
    316

    Default

    Thanks Dave and Brian. I have an insulated distillery tank which I think will help. But yes that was part of my plan. Right now I never get my tanks cleaned properly because I am overwhelming my buyers tank and ro. I'm hoping to bring 2 loads a day instead of 5 or 6. Brian you have pump stations correct? Do you concentrate before you truck?
    Remember to keep on ticking while the sap is dripping.
    2016- 50 buckets. Made 4 gallons.
    2022- 3750 taps + Smartrek! Made 1300 gallons.
    2023- 3750 taps after removing a pump house and connected two woods. Made 800 gallons.

  8. #8
    Join Date
    Dec 2013
    Location
    Stockbridge,Ma
    Posts
    285

    Default

    I know someone who was trucking concentrate and they stopped. All it ever made was dark and very dark syrup. What do you think your daily routine would look like? Do you have remote monitoring for your tank so you will know when to go start the RO? Are you going to start the RO and wait for it to concentrate or leave and come back when you think it is done? Truck your concentrate then go back to take care of the RO? Lots to think about and plan how your time is spent.
    First introduced to making maple syrup in 1969
    Making syrup every year since 1979
    3 x 10 oil fired
    Revolution syrup and max flue pan
    Almost 1300 taps total with 900 on high vacuum
    Bought first Marcland drawoff in 1997, still going strong.

  9. #9
    Join Date
    Jan 2017
    Location
    Williston, VT
    Posts
    615

    Default

    [I have an insulated distillery tank which I think will help. [/QUOTE]

    Insulated tank won't help since the heat from pumping and ROing will introduce heat into the concentrate - unless you refrigerate like Proctor.
    Ken & Sherry
    Williston, VT
    16x34 Sugarhouse
    1,500 taps on high vacuum, Electric Releaser & CDL Sap Lifter
    Wood-Fired Leader 30"x10' Vortex Arch & Max Raised Flue with Rev Syrup Pan & CDL1200 RO
    https://www.facebook.com/pumpkinhillmaple/

  10. #10
    Join Date
    Jun 2011
    Location
    South Colton, NY
    Posts
    642

    Default

    Brian you have pump stations correct? Do you concentrate before you truck?[/QUOTE]

    No trucking, we have 3 releasers that pump to a tank that feeds the RO. The RO processes about 1,000 gallons per hour which is recirulated until we get 12 percent or so and then boiled.
    3,100 taps
    60 cfm flood
    HC2
    5 by 14 oil

    Brian

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