150 GPD Membranes
Hey All,
I’m running membrane solutions roulp-2012-150 membranes in my 4x150 RO.
Are these membranes any good?
They seems spec’d at 60psi, 45F, 95% rejection.
Are there better membranes out there?
They seem to be working fine for me but curious what others are using.
Thanks
Bryan
2024 - 160 taps, Shurflo 4048. Sap Sucker 4-D. Mason 2x4 Raised Flue. 5x400 RO.
2023 - 121 taps. Shurflo 4008. Sap Sucker 4-D. Mason 2x4 XL, 4x150 RO. 20 gallons.
2022 - 103 taps. Shurflo 4008. Sap Sucker 4-D. Mason 2x4 XL, 4x150 RO. 23 gallons.
2021 - 77 taps on Shurflo 4008. Sap Sucker 4-D. Mason 2x4 XL, 4x150 RO. 22 gallons.
2020 - 70ish taps on Shurflo 4008. Mason 2x4 XL. DIY R.O. ~24 gallons.
______________________________________________
Trout Brook Valley
Weston, CT
Some Specs from today.
Started RO at 9AM and at 1:30 had the following figures.
Concentrate 7.85 Gallons
Permeate 31.4 Gallons
Total Sap Processed 39.25
Running my system at ~130 psi
Sap Temp was about 33F
Ambient Temp was 43F
Do these numbers make sense?
My system is 4x150 in series.
Thanks for any advice.
Bryan
2024 - 160 taps, Shurflo 4048. Sap Sucker 4-D. Mason 2x4 Raised Flue. 5x400 RO.
2023 - 121 taps. Shurflo 4008. Sap Sucker 4-D. Mason 2x4 XL, 4x150 RO. 20 gallons.
2022 - 103 taps. Shurflo 4008. Sap Sucker 4-D. Mason 2x4 XL, 4x150 RO. 23 gallons.
2021 - 77 taps on Shurflo 4008. Sap Sucker 4-D. Mason 2x4 XL, 4x150 RO. 22 gallons.
2020 - 70ish taps on Shurflo 4008. Mason 2x4 XL. DIY R.O. ~24 gallons.
______________________________________________
Trout Brook Valley
Weston, CT
I'd buy a sugar refractometer to check sugar content before and after, and probably a tds meter to check membrane performance.
2015 - 8 buckets, 332L sap, 8.5L syrup - Barrel evaporator, 2 steam pans
2016 - 8 buckets, 432L sap
2017 - 10 bags, 470L sap, 9L syrup
2018 - 20 bags, 1050L sap, 17.6L syrup
2019 - 20 bags, 970L sap, 22.2L syrup
2020 - 17 bags, 813L sap, 17L syrup
Sap measures 1.3% (mostly reds).
Concentrate is coming out at 6+%
Permeate measures 0%
TDS of Concentrate is 413
TDS of Permeate is 2
As a comparison, my well water measures TDS 98 and my household RO for drinking water measures 2
It seems the RO is working well with regard to sugar concentration and not passing any sugar.
I'm more curious if my volumes of the system are in line with theoretical expectations.. This is where I have little knowledge...
2024 - 160 taps, Shurflo 4048. Sap Sucker 4-D. Mason 2x4 Raised Flue. 5x400 RO.
2023 - 121 taps. Shurflo 4008. Sap Sucker 4-D. Mason 2x4 XL, 4x150 RO. 20 gallons.
2022 - 103 taps. Shurflo 4008. Sap Sucker 4-D. Mason 2x4 XL, 4x150 RO. 23 gallons.
2021 - 77 taps on Shurflo 4008. Sap Sucker 4-D. Mason 2x4 XL, 4x150 RO. 22 gallons.
2020 - 70ish taps on Shurflo 4008. Mason 2x4 XL. DIY R.O. ~24 gallons.
______________________________________________
Trout Brook Valley
Weston, CT
Back of the envelop calculations suggest that you are spot on. You concentrated your sugar percent by a factor of four-ish and diminished the amount you have to boil by a factor of four-ish.
60ish taps on buckets
D&G Sportsman 18x63
Turbo RB15 RO Bucket
Hi - It seems like you were getting about 8.7 GPH total through your system. We run a 4x150 RO as well and we got 7.9GPH at 115 - 120PSI with temperatures about the same as what you were running with. From what we've been able to do, I think you're getting about all you can get out of your system.
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