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dedeleco
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View dedeleco » 12/10/10, 20:12

macabre, ammonium fertilizer only fires once in 20000 !!
http://fr.wikipedia.org/wiki/Liste_d%27 ... 27ammonium
July 26, 1921, Kriewald / Knurów, Silesia (now Poland)
To disaggregate 30 tonnes of massed ammonium nitrate in two cars, they detonated a cartridge of mine explosive. The cars exploded. Nineteen people were killed.

September 21, 1921, Oppau, Rhineland, Germany
The explosion, following a mine blast, of a hangar containing 4 tonnes of mischsaltz, a mixture half of ammonium sulphate and half of ammonium nitrate, caused the death of 500 people and the destruction 450 homes. The factory used to disintegrate the heaps with explosives and had, at the date of the disaster, made more than 20 shots. It is assumed that the mine exploded in an area of ​​the pile where the concentration of ammonium nitrate was higher than the average. The sensitivity of mischsaltz to explosive training increases very quickly with the concentration of ammonium nitrate, which explains why only part (450 tonnes) of the heap exploded.


The mistakes were repeated, incredible !!
We seem to have forgotten !!
April 16 and 17, 1947, Texas City disaster, Texas, United States
The French freighter Grandcamp, Liberty-ship type, during loading, contained 2 tonnes of ammonium nitrate in bags (600% nitrogen, 32,5% mineral charges, 4% bitumen) when a fire was detected. To extinguish the fire, the captain had the hatch covers closed and steam under pressure. Unfortunately, this cargo does not need oxygen to continue burning after the fire is caught. On the contrary, the heat of the steam accelerated the reaction. The pressure increased and after an hour the cargo exploded. It caused the deaths of several hundred people and the burning of the High Flyer cargo ship, moored 250 m away, which contained 1 tonnes of sulfur and 050 tonnes of ammonium nitrate. The High Flyer exploded in turn the next day April 960, after having burned for nearly 17 hours. A 16-ton stock of the same ammonium nitrate on the quay also caught fire, but burned without exploding. Experts explain this difference in behavior by the greater containment in the hold of the boats.

July 28, 1947, Brest, France
The Ocean Liberty cargo ship loaded with 3 tonnes of ammonium nitrate and flammable goods (fuels, lubricants, solvents, polystyrene, tires). The fire started around 300:12 p.m. The captain closed the holds and sent pressurized steam. As the situation worsened, the boat was towed around the harbor around 14 p.m., but ran aground on the Saint Marc bench a few hundred meters from the most popular beach in Brest. Black and red smoke escaped and the fire became very violent. The cargo ship exploded at 00 p.m. causing 17 deaths and significant damage in the city of Brest, however sheltered by the high cliffs which dominate the harbor. The sound of the explosion was heard as far as Morlaix, 00 km away. A tidal wave of a few decimetres was felt as far as the Four channel, more than 29 km away. In both cases, it is the explosion, under highly confined conditions, of the very sensitive mixture of ammonium nitrate and liquid fuels.
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gegyx
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View gegyx » 12/10/10, 21:28

About calculator, I remember having tinkered for a colleague, a TV remote control whose key contacts were worn and prolonged his life.
I had used the dial of a calculator to fit it on top of the remote control.

There was not yet a replacement interchangeable remote control in store.
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Christophe
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View Christophe » 13/10/10, 14:25

dedeleco wrote:macabre, ammonium fertilizer only fires once in 20000 !!


I didn't really understand the humor of your message ... :?:

You should rather put it here: https://www.econologie.com/forums/proces-azf ... t8793.html

No?

A good Mozinor session is good!

Long version: http://www.youtube.com/watch?v=g5Y-wiIV_rU
Short version: http://www.youtube.com/watch?v=A_pS3ddXMJw
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Flytox
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View Flytox » 13/10/10, 20:32

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Reason is the madness of the strongest. The reason for the less strong it is madness.
[Eugène Ionesco]
http://www.editions-harmattan.fr/index. ... te&no=4132
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gildas
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View gildas » 14/10/10, 22:26

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Flytox
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View Flytox » 14/10/10, 22:39

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Reason is the madness of the strongest. The reason for the less strong it is madness.

[Eugène Ionesco]

http://www.editions-harmattan.fr/index. ... te&no=4132
Christophe
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View Christophe » 15/10/10, 09:13

Gildas wrote:http://www.youtube.com/watch?v=FaMRebt7GTI


Well well well, there should be more super titi ...
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Macro
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View Macro » 15/10/10, 09:50

Yeah ... except that we should still not waste too much drinking water ... The effluent from some sewer would do the trick better
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Christophe
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View Christophe » 15/10/10, 17:03

http://www.lepost.fr/article/2010/10/15 ... rreur.html

Air Force launches biological bomb alert ... by mistake

It all started on Thursday: an anonymous phone call announced a bomb threat, with chemical and bacteriological risk, on the site of the naval air base of Landivisiau (BAN), in Finistère, but also in the district of Lannouchen, adjoining the basics, according to Le Télégramme.

A neighborhood where there is a kindergarten, a retirement home, a family and rural house, a factory, and housing.

Immediately after this anonymous call, Jean-Yves Chiaro, sub-prefect of Morlaix, was alerted.

He then notified the mayor of Landivisiau, Georges Tigréat, as well as the gendarmerie and rescue services, also reports Le Télégramme.

And, at 13:30 p.m., the nursery school students were evacuated by coach to a sports hall. A 400-meter security perimeter was established around the base of the naval air base, and the residents of the retirement home were confined.

An operation which required the intervention of no less than 40 gendarmes, 30 firefighters, deminers, the chemical risk cell of Brest, the police dog team ...

Until 15 p.m., all the people mobilized were trying to locate this biological bomb ...

And, at 15 p.m., a message from the Brest maritime prefecture informed the authorities that it was ... a simple exercise!

An exercise organized by the command of air defense and air operations in Villacoublay, in the Yvelines.

An exercise which was planned without alert and deployment of means, and which was used to test the communication and reaction chains of its various stakeholders, also explains TF1 News.

At the end of the day, the maritime prefecture of Brest clarified: "It is in fact an error of the Parisian staff that started everything. The dummy alert was not sent to the number provided, and the word of code stipulating an exercise was not formulated. It was therefore logical that the Brest operator, who was not advised, returns the information. "

What is certain is that this "nuclear and radio-biological" communication chain worked perfectly.

Which is already reassuring ...
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Flytox
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View Flytox » 15/10/10, 22:16

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Reason is the madness of the strongest. The reason for the less strong it is madness.

[Eugène Ionesco]

http://www.editions-harmattan.fr/index. ... te&no=4132

 


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