Let me talk with my partner, we might have already r and d these
He has a list since he’s the membrane guy lol
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Appreciate that.
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Okay…
I just gave both @MagisterChemist and @Kingofthekush420 and @CollectiveObjective my guys number.
Told them three I have his number to all three
(Got my messages confused).
They can give their sales pitches and he can make the decision. I’ll give my input after he talks to both.
With that much cheddar involved, I’ll let him make the call on who he goes with but I will give pros and cons on both systems.
If either of you two have customers willing to give reviews, by all means, please do.
Thanks again, fam! 
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FWIW, pulsation dampers that can effectively damp the pressure spikes from pneumatic pumps at these pressures and flow rates are SUPER FUCKIN EXPENSIVE and hard to find.
People want cheap skids without all of the bells and whistles. That cost savings has to come from somewhere.
We’re not running pneumatic pumps on our skid, though we seriously considered it. Thankfully, we would have also had to upgrade our air supply, so it made the extra $ required to run an electric skid easy to justify to the holders of the purse strings.
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Can you share which types would be suitable? Something like this?
I was looking more at diaphragm type dampers previously, but those ones are neat. I’m afraid it’s not my area of specialty and not something I’ve had to specify, but from a first pass that does look like it might do the trick.
If looking at a baffled system, my initial primary concerns would be sanitary/cleanliness type ones.
If looking at an unbaffled system, substantially increasing system holdup volume is not ideal, but could be acceptable in certain conditions.
By the time you’re getting into specialty damper systems, electric looks pretty damn attractive to me.
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I’m holding out for the hydrocarbon skidzzzzzzz
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I’m just waiting on membranes then I’m going to hook my skid up to my cls
I’ll be out in OKC for a week tomorrow if you want to meet up or even come see my skid in action
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Wouldn’t the copper exchange heat more effeciently than Stainless steel?
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Copper will react with terpenes and many other things commonly found in crude
The brazing is only the material used to seal the plates, the plates themselves are SS usually
https://www.instagram.com/p/CMLVFNRBSe3/?utm_medium=copy_link
There’s literally no need for copper in there, it’ll just cause problems when it reacts with things.
I’m going to go out on what may be a limb that I regret jumping on, but honestly copper BPHEs are awesome for the money, the wetted copper is very little and is not particularly reactive. Also, those alfa and tranter full tig’d HXs are thick AF and cost $$$ (I can’t see $1000 getting you more than maybe .25 M^2). That leaves gasketed plates and we’ll, we can all say fuck that (especially at these pressures). Just a little rant, y’all know I’m pretty uptight about not contaminating process materials but for the sake of the BPHE, I figured I’d get my soap box out.
Regarding the damping of pressure spikes from Haskel liquid pumps, there are a lot of approaches and buying a turn-key damper certainly gets expensive at these pressures. The hacky solution involves a piston with a highly compressible gas on one side (CO2 works nicely). Just make sure it’s cooled because a lot of heat gets made. This is certainly a solvable engineering problem, once you exceed 10ksi there is basically no option other than positive displacement, that means pulsation, and there are a fuckload of HP/MP applications that can’t accept that. It’s just not “off the shelf”
Also want to comment: I’m not endorsing or condemning any of these products, just like discussing the engineering.
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Also, fat chance…
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My full SS heat exchanger with probably 4x the surface area was 1k
There’s no need to use copper! Why the fuck would you use something reactive when you can use something unreactive?
Youre cheap and cutting penny’s
Same reason he didn’t put a pressure dampener on his skid
Trying to maximize that profit with no regards to efficiency
I’m sorry @SidViscous there’s no excuse
How do I provide an electric c1d1 explosion proof pump, an all SS heat exchanger, a pressure dampener and a vfd for for same cost of his pneumatic skid?
Because he’s literally ripping ppl off and I’m not
I mean it’s pretty obvious at this point
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Anyone who says something like
“Pressure dampeners this size and flow costs too much”
Doesn’t know how to source there shit
My pressure dampener on my skid was 1200 buck and does up to 11 gpm at 1000 psi
THERES NO EXCUSE EXCEPT BEING CHEAP
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Again, I’m not educated enough on either of your units to make a comment. I’m simply not in the market and frankly haven’t gotten caught up yet. I agree, LMDT from the thicker plate aside, if I could get a full welded HX for the same price as a copper BPHE, I would. We used to buy a lot of tranter maxchangers and it hurt, but they were also for 2000 psi service so BPHE was not an option. We ended up needing probably 20% more surface area than we would based on our somewhat unsophisticated BPHE calculations because Tranter made the plates almost .100 thick vs around .035 for a duda BPHE. You can give me shit all you like, but this is a very short corner to trim IMO. Again, HX discussion and not specific to these units/applications.
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So I had a dream that I was remediating mother liquor on a membrane skid inline. But I was running it through a UV loop at low pressure. Could you loop over an UV diode to remediate THC-A and THC? No heat remediation? That’s how I clean up my well water. UV after membranes. Crude drawing for attention.
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Doesn’t the UV produce a bunch of degradation products that are undesirable? I thought this was why everyone was switching to catalytic remediation to CBN.
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I don’t know. Never tried it, and never really cared about any cannabinoid other than THC so I would never have the means to give er a go. I guess the question is do all cannabinoids react at the same rate and what is the route.
Well, i can tell you this, i once saw a lab running that exact setup you’re describing.
How WELL it was working, i can’t say – they didn’t show me any data.
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You could do the same thing with a palladium coated ceramic membrane
Look into how they turn methane and co into h2 and co2 using ceramic coated palladium membranes
bryce_comparison.pdf (1.8 MB)
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