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Started By
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re: Big boom and house shook in South EBR near Iberville line
Posted on 11/3/19 at 11:08 am to CitizenK
Posted on 11/3/19 at 11:08 am to CitizenK
FTR, the cat cracker unit explosion at Shell Norco in the late 80's was due a PSV failure on the fractionation column in the unit. The explosion blew the heads off of a heat exchanger bank on the opposite side of the unit. Fire damaged the rest of the unit.
2
Posted on 11/3/19 at 11:14 am to CitizenK
just FYI was not an RV but was actually a injection point that was not properly designed resulting in corrosion and line failure vapor cloud release then ignited/explosion
Posted on 11/3/19 at 11:29 am to slinger1317
Heard nothing on the fourth floor of my 12,000 sq ft house in The Woodlands.
Posted on 11/3/19 at 11:32 am to udtiger
Baws be killin dem hogs with dat tannerite
Posted on 11/3/19 at 11:51 am to Athletix
quote:
So, an EO pressure vessel went boom this morning supposedly?
Overpressurized? Leak to environment that set off chain reaction?
We'll find out, but the EO molecule is a highly stressed ring that just wants to open up and react with shite. It wants nothing more than to become something else and perhaps throw off a little light, heat, and noise just for shits and giggles. It has an explosive range from 3% in air to 100% in air, so if you have 97% air, it can detonate. If you have 0% air, it can detonate; it'll explode in fricking space if you provoke it. All you need to set it off is enough energy (heat, spark, contamination that reacts and throws off heat, etc.) to get it over its initiation energy and things get exciting and high-speed REAL fast. There are any number of reasons that the drum might have opened up. I can't wait for the CSB's report on it.
On top of all that, EO is extremely reactive, so it participates in all kinds of different chemical reactions (which is why it's so useful in industry). It's reactive nature means that it'll tango with your DNA, so it's mutagenic and carcinogenic. If you get exposed to a good deal of it, though, it's anaesthetic and highly acutely toxic, so a good dose can knock you out and kill you dead right there far before the cancer does. In fact, EO is so incompatible with living things that it's used to sterilize objects that can't withstand heat or radioactive sterilization. Healthcare products are widely sterilized by EO. Disposable plastic syringes, for example, that would melt if autoclaved or be negatively affected by cross-linking if irradiated are often sterilized by the manufacturer using EO. Lots of hospitals have EO chambers on site to sterilize medical equipment because it's so good at killing shite.
EO is some nasty shite.
This post was edited on 11/3/19 at 2:24 pm
Posted on 11/3/19 at 12:05 pm to Mom2KandK
(no message)
This post was edited on 11/3/19 at 2:12 pm
Posted on 11/3/19 at 12:14 pm to CitizenK
quote:
Rando, how many compressors were tripped at the entire site after the KABOOM?
No affiliation with plant.
I'm 20 miles away as the crow flies and the pressure wave hit all the way out here.
Buddies are on site.
Posted on 11/3/19 at 12:19 pm to BigB0882
It was easy to miss, i thought it was the shower door being slammed twice
Posted on 11/3/19 at 12:55 pm to Mom2KandK
quote:
1998 Shell Norco explosion was the result of corrosion of an 8-inch vapor line.
Do you know what the chemical additive injection that caused the corrosion in the elbow was? Or who supplied it?
Posted on 11/3/19 at 12:58 pm to Mom2KandK
88 Shell explosion at NORCO was corrosion on the frac OH line
Posted on 11/3/19 at 1:21 pm to MNCscripper
quote:
They sub that out baw
Phony Rispone already screwing stuff up.
Kidding, I’m supporting him.
Posted on 11/3/19 at 1:29 pm to MikeD
I think it was a water wash nozzle but could be wrong
Posted on 11/3/19 at 1:43 pm to Jester
quote:New posting at Dow!
Some engineers at DOW got dat puckerbutt this morning.
Wanted: Plant Operator. Qualifications: Baw need to be able to read a gauge and turn a valve when needed. Experience in EO unit helpful.
Posted on 11/3/19 at 1:51 pm to TigerstuckinMS
quote:You sound like a crazy chem. E. or a well trained operations person.
TigerstuckinMS
Posted on 11/3/19 at 1:54 pm to CheEngineer
quote:You are correct. My son is Mech.Eng. working for Shell. I know he knows EXACTLY what happened.
I think it was a water wash nozzle but could be wrong
This post was edited on 11/3/19 at 1:55 pm
Posted on 11/3/19 at 2:03 pm to Redbone
quote:
You sound like a crazy chem. E. or a well trained operations person.
Nah. My hobby is reading any MSDS I can get my hands on.
Posted on 11/3/19 at 2:38 pm to TigerstuckinMS
(no message)
This post was edited on 2/6/25 at 9:43 pm
Posted on 11/3/19 at 2:40 pm to lnomm34
quote:
You should know they’re called Safety Data Sheets (SDSs) now. OSHA adopted the globally harmonized system (GHS) of Classification and Labelling of Chemicals.
Immaterial.
Posted on 11/3/19 at 2:43 pm to lnomm34
quote:
OSHA adopted the globally harmonized system (GHS) of Classification and Labelling of Chemicals.
That could be what led to this accident. They can never leave well enough alone. If Europe is doing it than it must be right.
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