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From: Dhu on Gate <campbell@neotext.ca>
Newsgroups: can.politics,sci.environment,alt.global-warming
Subject: Re: Argentina's Cold May
Date: Sun, 16 Jun 2024 02:01:20 -0000 (UTC)
Organization: A noiseless patient Spider

On Sat, 15 Jun 2024 11:12:09 -0600, Loran wrote:

> Dhu on Gate wrote:
>> On Fri, 14 Jun 2024 10:58:07 -0600, Loran wrote:
>> 
>> 
>>> Why? Sulfur is bad for jet engines. In the combustion chamber sulfuric
>>> compounds become sulfuric acid (similar to how some cities used to get
>>> acid rain). That extremely hot acid is then flung against the 1st
>>> stage turbine stator and 1st stage turbine wheel (aka some of the most
>>> expensive parts in a modern turbine engine).
>>>
>>>
>> They're moving to composite ceramics instead of metals in jet engines,
> 
> The bulk of the commercail aviation fleet is still traditional engines.
> 
>> and anyways there's as much energy in sulphur as in carbon ;-)
>> 
>> Dhu (goodbye, Carbon Monoxide, hello, sulphur dioxide! The air ., ., .,
>> is everywhere!)
> 
> So2 is bad news bro.
> 
> They're going to exacerbate the next ice age (already in progress) and
> kill lots of lung tissue off:
> 
> https://pubmed.ncbi.nlm.nih.gov/27565714/
> 
> Inhalation of high concentrations of sulfur dioxide (SO2) affects the
> lungs and can be immediately dangerous to life. We examined the
> development of acute and long-term effects after exposure of SO2 in
> Sprague-Dawley rats, in particular inflammatory responses, airway
> hyperresponsiveness (AHR) and lung fibrosis. Animals were subjected to a
> single exposure of 2200ppm SO2 during 10min and treated with a single
> dose of the anti-inflammatory corticosteroid dexamethasone 1h following
> exposure. Exposed rats showed labored breathing, decreased body-weight
> and an acute inflammation with neutrophil and macrophage airway
> infiltrates 5h post exposure. The acute effects were characterized by
> bronchial damage restricted to the larger bronchi with widespread
> injured mucosal epithelial lining. Rats displayed hyperreactive airways
> 24h after exposure as indicated by increased methacholine-induced
> respiratory resistance. The inflammatory infiltrates remained in lung
> tissue for at least 14 days but at the late time-point the dominating
> granulocyte types had changed from neutrophils to eosinophils.

The quantities needed to effect solar reflection in the UPPER ATMOSPHERE
are _vastly_lower_ than what comes outta Kilauea on a good day.  

Dhu


-- 
Je suis Canadien. Ce n'est pas Francais ou Anglais.  
 C'est une esp`ece de sauvage: ne obliviscaris, vix ea nostra voco;-) 
 Duncan Patton a Campbell