of process ccouotiiics imd the reco\wy of d l by-products kept the Lcl)liinc process nlivc iintil 1923, whilst the oompnrativc chcnpncss of icniiiiiioitin " soda iiindc possiblc by prolonged study ot all tlic clicuiicnl iind ctiginccring details of tlic original SoIvny proccss brought i t i i p i th
Some lutes and cements used in the heavy chemical industry
โ Scribed by Greenwoodl, H. D. ;Snelling, F. C.
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 2010
- Weight
- 358 KB
- Volume
- 56
- Category
- Article
- ISSN
- 0368-4075
No coin nor oath required. For personal study only.
โฆ Synopsis
Loriis, boric ncid, ntid vnrioits misturcs of tliese. It. will be noted tlint these are nll water-solublc snltu.
Recent rcscnrcli work n t i'riticcs liisboroitgli lins shown thnt when wood is cnrbonieed in tlic prcseticc of ccrtciiii salts, tlic chnrconl yield is gently iiicrcasctl, iti sotlie CRSCS being double thnt froin unt,rcntcd wood, mid nll the chciiiicnls which givc t,liis i ticrcnscd yield of chnrconl arc well recognized for the property of rendering wood fire-rcsisting. It \vould i i p p r , ~licrcfore, thnt the iiiniii nctioii of n firc-rctiirding ngcnt is to pro(lucc, on ltenting the wootl, ii tlctise clinrconl wit11 ti tiiitiimum quniitity of thc ot.ltrr ttiiiiti product of ciirboiiiestiou, the ititiniiiin:il~lc griscs. l-iciicc txeatcd wood docs not fiaiiie, but merely cltiirs. I~urthcniiorc, it hiis hecti fo!iiid that tlic coinpoiitids Itiiviiig this propcrty arc thosc which tlissocintc on hcnting to prohce a free acid radicle, ntitl stnblc salts lire not. so cflcctive. Uoriis :it first :Ippcnrcd to be tlic otic exception, but it is possiblc tlint hentctl in the prescticc of iuethyl alcohol, borax also tlissociiites, giving the frcc acid, nnd this csplannt,iot~ \vould ))ring this sulJstnnce into line with the otlicrs.
๐ SIMILAR VOLUMES
About three years ago, fused silica capillary columns were introduced in the Quality Control Laboratory of the Shell refinery/chemical complex at Pernis. In general, long, thick-film, wide-bore capillary columns are used together with low split ratios and hydrogen as carrier gas. These conditions en
## Abstract Upper Silesia has rich deposits of hard coal and substantial deposits of zinc, lead and iron ores. the watersheds of two rivers cut right through the zinc and lead ore mining region and most of the tailing drainage water is contaminated with heavy metals. in total, about 807 tyrโ1 of zi