Specification of Frederick Jacobsen : treating sewage.

  • Jacobsen, Frederik.
Date:
1873
Catalogue details

Licence: Public Domain Mark

Credit: Specification of Frederick Jacobsen : treating sewage. Source: Wellcome Collection.

    4/6 (page 2)
    2 A.D. 1873.—N 266. Provisional Specification. ' Jacobsen^s Improvements in Treating Sewage, of with clean water. This produces a superphosphate which is then mixed with the more solid sewage deposit obtained by subjecting the sewage to any of the known methods used for producing subsidence and decantation. This mixture forms a valuable manure or fertilizer and the fluid which is drawn or run off is much purified by the operation. 6 LONDON: Printed by Geokge Edward Eyre and William Spottiswoode, Printers to the Queen’s most Excellent Majesty. 1873,