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posted by takyon on Wednesday August 05 2020, @12:09PM   Printer-friendly

Ammonium nitrate: what is the chemical blamed for blast in Lebanese capital?

The likely cause of the huge blast in Beirut on Tuesday appears to have been the highly reactive chemical ammonium nitrate.

Lebanon's prime minister, Hassan Diab, said 2,700 tonnes of ammonium nitrate exploded after lying unsecured in a warehouse for six years, tallying with reports that a ship carrying a similar quantity of the chemical had unloaded its cargo at the port in 2013. It remains unclear what caused the chemical to ignite.

Ammonium nitrate.

Beirut explosion: over half the city damaged in blast that killed at least 100 and wounded 4,000 – live updates

AFP is quoting the governor of Beirut, Marwan Abboud, as saying the damage from the port blast has extended over half of the city, with the cost of damage likely above $3bn.

He has also upped his previous estimate of the number of "homeless" to 300,000, which is close to the total population of the central part of the capital. Again, we are not sure if he is talking about homelessness or people whose homes have been damaged.

As Death Toll Rises After Deadly Blast, a Search for Answers and Survivors: Live Updates

As Death Toll Rises After Deadly Blast, a Search for Answers and Survivors: Live Updates:


Original Submission #1Original Submission #2

 
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  • (Score: 2) by looorg on Wednesday August 05 2020, @02:53PM (5 children)

    by looorg (578) on Wednesday August 05 2020, @02:53PM (#1031744)

    Naturally, which is why I said he made a bomb. That said I'm not sure if it has been noted yet in what form it was stored. It could have just been in a big pile I guess but more likely perhaps is that it was in those thick paper sacks or metal/plastic drums. I'm not sure a pile just one the ground would be around for the amount of time involved. When it exploded tho it clearly went in all directions so it wasn't properly shaped or directed.

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  • (Score: 2) by Runaway1956 on Wednesday August 05 2020, @04:57PM

    by Runaway1956 (2926) Subscriber Badge on Wednesday August 05 2020, @04:57PM (#1031817) Journal

    The picture of a welder in the Beirut warehouse has 2000 pound cloth totes in the background. Sometimes, those totes are made of cotton, canvas, or duck, other times, they are made of a ripstop nylon fabric. I've never handled the stuff in bulk but I've handed other materials in those totes. Sometimes, but not always, these totes are set on to pallets. If moisture is a concern, pallets are used, otherwise the totes are set directly onto the floor.

    OK, I scrolled back up to the link supplied by looorg above. Apparently, they've "updated" that link, without the photo that I'm referring to.

    TBH, however, the photo did not specifically say that the explosive material was stored in those totes visible in the background.

  • (Score: 2) by Runaway1956 on Wednesday August 05 2020, @05:04PM

    by Runaway1956 (2926) Subscriber Badge on Wednesday August 05 2020, @05:04PM (#1031821) Journal

    This is the photo I was looking for - https://twitter.com/AhA47024592/status/1290984736190537729 [twitter.com]

    You can see the totes stacked two high behind the workers in the left photo. Contents label says NITROPRILL HD, white block letters on red.

  • (Score: 4, Informative) by Runaway1956 on Wednesday August 05 2020, @05:20PM (2 children)

    by Runaway1956 (2926) Subscriber Badge on Wednesday August 05 2020, @05:20PM (#1031831) Journal

    More and better details here - https://www.moonofalabama.org/2020/08/beirut-blast-wrap-up.html?cid=6a00d8341c640e53ef0264e2eca7f4200d [moonofalabama.org]

    "Nitroprill HD" is a knock-off product of the trademarked Nitropril, a premium grade porous prilled ammonium nitrate manufactured and sold by the Orica Mining Services in Australia. It is used as a commercial explosive in mining and quarrying. The safety sheet of the original product says it "May explode under confinement and high temperature, but not readily detonated. May explode due to nearby detonations."

    An Orica safety assessment (pdf, Appendix III) sets the TNT (military explosive) equivalence for fire of bulk Nitropril in big bags at 15%. 2,750 tons of Nitropril are thereby the equivalent of 412.5 tons of TNT.