So how bad did I F myself here?

sardo_67 Posted By sardo_67, Sep 4, 2018 at 1:44 AM

  1. sardo_67

    sardo_67
    New Member 2.
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    Sep 19, 2017
    62
    1
    Loc:
    mid CT
    got 2 500gal “propane” tanks, were used for fuel storage, full of sludge and years of fuel storage.

    There anyway way to easily clean this or just scrap it and move on?
     

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  2. TCaldwell

    TCaldwell
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    Oct 26, 2007
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    Looks like you already cut the ends out, you’ll have to clean them up to determine the condition, possibly a little pitting under the sludge, but that can be fixed.
     
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  3. jebatty

    jebatty
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    Jan 1, 2008
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    I won't actually recommend this, and too late to help you. I filled my 1000 gal tank with water, added a very low suds detergent, fired the boiler and heated/circulated the water for several hours up to 190F, then drained the tank hot water, rinsed the tank, and used the tank thereafter with a hot water filter installed. Changed the filter multiple times over a one year period, and by the end of about a year the filter no longer was catching anything and not being discolored. That was about 10 years ago, and never have experienced a known problem. I don't actually know how much crud/sludge was in the tank, and I'm thinking that anything non-soluble and heavier than water just sank to the bottom and settled in the tank, no longer a source of any harm.
     
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  4. sardo_67

    sardo_67
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    Sep 19, 2017
    62
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    Loc:
    mid CT

    you don't have to worry about the oil getting into your home heating system?
     
  5. BoiledOver

    BoiledOver
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    Apr 14, 2013
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    What is the thickness of the steel in your tanks? From your photos it is difficult to see but appears to me that it is not 3/8" like a 500 gallon propane tank should be. Are you sure they are propane tanks and not fuel oil tanks?
     
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  6. maple1

    maple1
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    Sep 15, 2011
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    Is that a stay? I didn't think LP tanks had stays inside. Don't remember seeing any when I peeked in mine. Ya looks a little thin too.
     
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  7. sardo_67

    sardo_67
    New Member 2.
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    Sep 19, 2017
    62
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    Loc:
    mid CT
    they are 3/8 or so, tag says they are pressure vessel tanks for propane, this one is from 69 actually.

    i read you can have them steam cleaned or something but it's not worth is since the HAZMAT issue this would cause for a real business is too much.

    going to try and sell one then just scrap the other. soon as i hear they had fuel in them at one point i should have ran.
     
  8. jebatty

    jebatty
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    Jan 1, 2008
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    I didn't believe there was much, if any, crud that would circulate after the cleaning I did. And the hot water filter would prevent any solid material getting into the plate hx for the pex in-floor system, which was filled with an antifreeze solution. As for the storage tank, boiler and piping, 10 years have passed and no problem has surfaced. As I said, I don't recommend what I did. There are unknowns that could cause a problem -- just none that I know of for my tank and system.
     
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  9. salecker

    salecker
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    Aug 22, 2010
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    Just clean them.
    Some soap and a pressure washer and a little time and you are good to go.
    Add a filter to your system, and relax and enjoy the heat.
    I have a side-stream filter in my system,but on the glycol side.I used used copper tubing and fittings for most of my system and have Y strainers on each side of my plate heat exchanger.
    I replaced the filter after 2 weeks then 2 months and then it's been fine for the last 7 years.
    I have valves right at the bottom of my tanks,every year i open them to see if there are any sediments in my tanks.Clean water is all i ever get.
     
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  10. sardo_67

    sardo_67
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    Sep 19, 2017
    62
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    Loc:
    mid CT
    mine is all inside my house with oil boiler back up so i wasn't planning on running any type of additive, except maybe some type of rust prefention treatment.

    this weekend i plan on bringing the one i cut in half to my moms house where i can just burn the oil off. after that i'll go back to my original plan.

    which filter system do you recommend?
     
  11. salecker

    salecker
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    Aug 22, 2010
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    Loc:
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    I am not sure what brand the filter is that i have.It has a plastic housing and the refiles look like cotton string wrapped around a center tube.It has a site glass with a ball in it so you can see if there is flow through the filter.
     
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