Talk:Girdler sulfide process

This could really be expanded
"deuterium transfer takes place from the liquid water to the hydrogen sulfide gas." This could really be expanded. --Phoenix Hacker 03:30, 31 March 2006 (UTC)


 * It should be more clear. As it is written now there is a loop of H2S gas circling through hot and cold columns, and water going though one and then the other column. There is circulation and a single stream hence no separation and no result.


 * Likely there are two water streams and a H2S loop connecting them. The H2S transports deuterium from cold to hot (and normal hydrogen tranels the other way).


 * The deuterium-poor water is discarded. The enriched water is fed to a following stage as teh primary water.


 * See: http://www.fas.org/nuke/intro/nuke/heavy.htm for a slightly better explanation. Thomas, 13:14, 19 Aug 2006 (UTC)

Diagramm is not in english
Subj. PavelSI (talk) 14:59, 20 September 2013 (UTC)


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 * William C. Knapp USA Patent # 10,323,328 grant June 18, 2019 along with 19 electrochemical process claims 142.114.47.248 (talk) 19:45, 24 October 2023 (UTC)


 * Apparently it is now, but doesnt make any sense, since enriched fluids are extracted and added to the process. I'm reffering to the middle top and bottom sections. Guest User, 08.07.2015

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Electrolysis
doesn't work. It can only be used as a first step to enrich the D content, as a side-product in a hydrogen plant. The residual water from the process can be inserted into e.g. the Girdler cascade at a suitable place (right HDO .concentration) To produce pure deuterium would be a nightmare, economically speaking. Only distillation can remove 100% of the residual 1H. --Maxus96 (talk) 18:12, 18 October 2016 (UTC)

Error in DHO concentration
The article lists 180 ppm as the concentration of DHO, however, this is inconsistent with other pages on deuterium, which list its concentration as 1/6420, which gives 311 ppm for DHO. — Preceding unsigned comment added by Nalybuites (talk • contribs) 03:24, 5 December 2019 (UTC)

From Deuterium: "deuterium accounts for approximately 0.0156% (0.0312% by mass) of all the naturally occurring hydrogen in the oceans". I wouldn't exactly say there is an error in the current article, more that its claim "Seawater contains 180 parts per million of HDO" is too vague to be meaningful since it doesn't specify by mass, by volume, as a proportion of the total number of H2O + HDO molecules, or as a proportion of all the molecules including dissolved salts etc. Since the claim is rather meaningless and better addressed in other pages, I will remove it. Citruswinter (talk) 22:25, 11 November 2021 (UTC)