Specification of Edwin Hills and Benjamin Biggs : treating sewage.

  • Hills, Edwin.
Date:
1873
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Edwin Hills and Benjamin Biggs : treating sewage. Source: Wellcome Collection.

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    Kills 8f Biggs' Improvements in Treating Sewage, sewage or matters into a closed tank and mixing lime with it or them, forcing air through the mixture, passing the gases evolved from the said mixture into a second closed tank, and there fixing the ammonia which they contain by passing them through sulphuric, muriatic, or other suitable acid, and passing the sulphuretted hydrogen from this 6 second tank through sulphurous acid in a third closed tank or through or over oxide of iron in a closed chamber, essentially as and for the purposes described. Thirdly. The improvements herein-before last described in treating sewage and other excrementitious matters, that is to say, passing it or 10 them into a closed tank, and there forcing sulphurous acid through it or them, essentially as and for the purposes described. In witness whereof, I, the said Benjamin Biggs, have hereunto set my hand and seal, this Nineteenth day of May, in the year of our Lord One thousand eight hundred and seventy-three. 15 Witness, H. H. Murdoch, 7, Staple Inn, London. B. BIGGS, (l.s.) 20 LONDON: Printed by George Edward Eyre and William Spottiswoode, Printers to the Queen's most Excellent Majesty. 1873.