The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 234
phuretted hydrogen compound 1LS. This H2S later becomes a sul-phurous acid 11 JS< )... which in itself is harmless to concrete and very mildin its action and is largely employed by paper manufacturers in their pulpdigestors which are usually lined with a very rich mixed concrete. Thesepulp… … 70 The Architect and Engineer remains in the sulphurous condition so as to properly cook the woodpulp. In the sewers this sulphurous acid H2S03, a little later developsinto a sulphuric acid, H=S04, and this is the acid that eventually causesthe disintegration of the concrete. This weak solution of…
Architecture · Building
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