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Previous by Date: Subject: [DCHAS-L] Verdict reduced to $29M for burned HS student, still highest New York payout Date: Wednesday, January 26, 2022 at 1:25:59 PM Author: CHAS membership <membership**At_Symbol_Here**DCHAS.ORG> |
Next by Date: Subject: Re: [DCHAS-L] Chemical Safety headlines (10 articles) Date: Wed, 26 Jan 2022 16:06:39 -0500 Author: James Kaufman |
Turns out the reported autoignition temperature for sulfur is as low as
168C. The dust is quite sensitive and hydrocarbon impurities are known
to decrease the autoignition temp.
http://www.sulphuric-acid.com/techmanual/Plant_Safety/safety_sulphur.htm
This is lower than that of red phosphorus at 260C.
https://web.stanford.edu/dept/EHS/cgi-bin/lcst/lcss/lcss72.html
Regards
Dave Lane
Principal
Clavis Technology Development
On 1/26/22 7:45 AM, Monona Rossol wrote:
> At last.å My ppt has examples of all kinds of deflagration substances, but I haven't had a good one on sulfur.å Monona
> CAUSE DETERMINED OF SULFUR FIRE AT CERES FARM COMPANY
> https://www.modbee.com/news/local/article257699048.html
> Tags: us_CA, industrial, follow-up, environmental, ag_chems
>
> The source of a hazardous materials fire that prompted a 12-hour shelter in place advisory for some Ceres residents on Monday was determined to be a light bulb.
>
> An employee at Stanislaus Farm Supply on East Service Road was changing a light bulb inside a 40,000-square-foot warehouse that contained a large amount of fertilizer-grade sulfur, said Dustin Bruley, supervisor of the Stanislaus Regional Fire Investigation Unit.
>
> 'In those warehouses they have a lot of dust floating in the air attributed to that product and when you change out a light bulb the simplest spark or static electricity can set off the particulate that floats in the air,' Burley said. In this case the particulate was flammable sulfur.
>
> He said the spark caused flash fire, 'The air around it has this matter floating so when it ignites, anything in that room has the potential to ignite as well.'
>
> A 500-ton pile of fertilizer sulfur began smoldering. Employees tried to put it out but the fire grew larger than they could handle.
>
>
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