JW IN VA
Well-known member
From what I understand, the lead cushioned the valve seats.
I use an additive in my diesel pickup I get at TSC. Supposed to lube better.
Using kerosene in diesel engines....
- Thread starter jltrent
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I use an additive in my diesel pickup I get at TSC. Supposed to lube better.
Nick Wagner
Well-known member
South side of Lake Erie, between Toledo and Cleveland. Snowed yesterday.
Son of Butch
Well-known member
i won't remember Ohio next week, which is why listing location is so helpful.
Nick Wagner
Well-known member
Had to put in gender to edit location. Was looking for identifies as but that wasn't an option.
Nick Wagner
Well-known member
So what made low sulfur diesel gel at 26 degrees back in 94? Had to use a lot of kerosene that winter in our road tractors.Power Service products do IMO. They are the only ones I know of recommended by Cummins.
As the sulfur has been mandated lower the cetane and lubricity have suffered.
To remove sulfur from diesel this is done under pressure of 400 psi or greater using a cobalt-moly catalyst in the 600 degree range. When the diesel molecule passes over the catalyst with hydrogen injected the sulfur breaks from the chain being replaced by hydrogen.
The sulfur molecule is joined by two hydrogen molecules making H2S.
During this process some of the longer chain molecules break in the presence on heat and hydrogen partial pressure.
This is an exothermic reaction is defined as a reaction that releases heat and has a net negative standard enthalpy change.
This is a huge hydrogen uptake for every sulfur molecule removed requires three hydrogen molecules every organic nitrogen requires four hydrogen for structural balance of the molecules.
Cummins Inc. Officially Recommends Power Service Diesel Kleen +Cetane and Diesel Fuel Supplement +Cetane Boost For Optimized Engine Performance | Cummins Inc.
This Smart News Release features multimedia. View the full release here:http://www.businesswire.com/news/home/20170510005497/en/www.cummins.com
Sorry for the long winded version.
Caustic Burno
Well-known member
You were getting supplied with #2 diesel that had a high cloud point. Highway diesel is supposed to have a cloud of 14 to 15 degrees. Sounds like a a couple issues here.
One the quality control at the refinery messed up. The refinery somewhere in the supply chain was running a heavy asphalt crude they can create blending and storage nightmares . This type of crude is very paraffinic. This probably came from a single train refinery versus a complex where there is more thermal cracking in the presence of catalyst.
When temperatures start staying at 30 or below the supplier should start producing #1 diesel. There were a couple crudes from Venezuela that were tough for us to get cloud on in a complex refinery. We would usually run the diesel through a hydrocracker converting it to gasoline.
I know Mayan crude from a certain area gave us fits, it made fluorescent pink kerosene, no one could figure out why. It met every spec for kerosene but color that is supposed to be water white.
So we had two options solution by dilution or drop in diesel.
Caustic Burno
Well-known member
Tetra ethyl lead was a cheap octane inhancer that you could use on highly paraffin raffinate.
That was some dirty stuff .
The knock lab guys hated it caused more engine rebuilds.
When the government phased out lead refinery process units had to be built to convert the sorry crap into a fuel you could use.
Very familiar with the process as I got appointed to deal with the mess of one.
What Went Wrong: Oil Refinery Disaster
When fuel spewed from the stack of a Gulf Coast facility in March, it went looking for a spark. It found one.
farmerjan
Well-known member
@Caustic Burno . Thank you for all the info. I will tell you that I do not begin to understand most of it, but have read some of the stuff several times and at least I have gotten a general idea and better understanding of some of the stuff. I will never really "understand it" but at least I can grasp some of the different things that goes on in a refinery in basic layman's simple terms. And what different "qualities" of some of the fuel is.
My hat's off to you for all the really complicated technical stuff that you worked/dealt with.
My hat's off to you for all the really complicated technical stuff that you worked/dealt with.
Nick Wagner
Well-known member
Might have the year wrong CB, it was the first winter low sulfur was forced on us, fuel manager at the co-op said the refineries didn't have the chemistry right on this low sulfur fuel so they, co-op, were diluting with kerosene in their storage tanks. Trucking company I worked for hauled fuel, one of our accounts was the co-op, I was the night mechanic. One of our trucks gelled up while on it's way with a load of fuel for the co-op, it wasn't that cold, mid twenties. I went out and changed fuel filters on the side of the road, then followed him to make sure he made it. Fuel manager was very upset his load was late, was chewing both our butts cause he had warned our boss to cut our fuel with kerosene to prevent gelling. Like it was our fault you know, anyway, left a vivid memory. Shortly after this happened, the co-op bought their own transport trucks.
Hauling fuel from the terminal with a tanker truck, you always have a load sheet listing each compartment # and size and how many gallons of #1 and #2 to put in each compartment to create winter blend, and the percentages often changed with the forecast. Summer is usually straight #2.
Also in the mid nineties, we once had every available truck making runs to St. Louis to haul kerosene back to Ohio. Used to be a company advertised, you go or we pay the toll, well, that supreme fuel was gelling on the road in mid twenty temps. I haven't heard that jingle in some years.
The trucking company was a division of an oil company, so we had barrels of their fuel coloring, er, premium fuel conditioner, on hand. When it gets cold, don't bother with fuel conditioner, dilute with kerosene. I hated seeing my drivers stranded, trucks get cold quick when the engine quits at ten or twenty below.
I don't hear near as many stories today, the last truck fuel gelling story I heard was a number of years ago and he had filled up down south with cheap fuel, not thinking of the temps back here at home. Farm tractors and farm tanks on the other hand, often go into winter with summer fuel.
Caustic Burno
Well-known member
This was a total government screw up as usual. The LSD was mandated what they didn't count on is the refineries opting out. 06 was the roll out of EPA mandated LSD. It was a nightmare.
We chose not to build new processing units and export diesel or convert it.
We went from producing 140k barrels a day to 30k of highway diesel. Dropping the sulfur from 450 ppm to 10 ppm changed the molecular structure of diesel as we knew it.
We chose not to build new processing units and export diesel or convert it.
We went from producing 140k barrels a day to 30k of highway diesel. Dropping the sulfur from 450 ppm to 10 ppm changed the molecular structure of diesel as we knew it.
Caustic Burno
Well-known member
Thanks it was fun to go to work. There was always a challenge and I got to work with some of finest people.
It was a very unique environment and place, you could hire in a laborer and climb the ladder to your hearts desire. The company would provide your education as well.
The only thing holding you back was you.
OP
OP
jltrent
Well-known member
Got a couple gallons and already adding to the diesel tanks. The tractors run good with it and know doubt will have less fuel related problems and will even lube the top cylinders.Thanks for the info CB.
A quick search and I found this. It says in stock at local Walmart. I may start using it often in the diesels as I have used a lot of Marvel Mystery oil in the past.
