Specification of François Alcidi Bonnefin : treating excreta.

  • Bonnefin, François Alcidi.
Date:
1875
Catalogue details

Licence: Public Domain Mark

Credit: Specification of François Alcidi Bonnefin : treating excreta. Source: Wellcome Collection.

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    increased in quantity, rises again and is brought into contact with, the chemical agent, with which the porous body on the intermediate bottom is saturated, and thence is caused to pass upwards through the layer of fine sand, leaving below the organic matters, which may be subsequently employed in the manufacture of manure. The water thus purified 5 may be allowed to run off direct or be saturated with salts of sulphate • of iron for the purpose of disinfecting the drain into which it is discharged. LONDON: Printed by George Edward Eyre and William Spottiswoode, Printers to the Queen’s most Excellent Majesty. 1875.
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