Analysis of evidence laid before the Health of Towns Commission and the Select Committee of the House of Commons on Metropolitan sewage manure; together with extracts ... shewing the value of the refuse of towns, and the advantages in a sanatory point of view of its application in a liquid form to agricultural purposes.

  • Health of Towns Association (London, England)
Date:
1847
Catalogue details

Licence: Public Domain Mark

Credit: Analysis of evidence laid before the Health of Towns Commission and the Select Committee of the House of Commons on Metropolitan sewage manure; together with extracts ... shewing the value of the refuse of towns, and the advantages in a sanatory point of view of its application in a liquid form to agricultural purposes. Source: Wellcome Collection.

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    The insoluble portion, produced by evaporation of the liquid, weighed 10‘54, and consisted of-^- Phosphate of lime j.2’32 Carbonate of lime. 1*94 Silica. 6‘28 iri 10-54 The deposit from a gallon weighed 55 grains, of which 21’22 grains were combustible, and consisted of animal matter rich in nitrogen, some vegetable matter, and a quan¬ tity of fat; and 38*75 of matter, consisting of— Phosphate of lime.6*81 Oxide of iron.2-01 Carbonate of lime . * , . . . 1*75 Sulphate of lime.1 *53 Earthy matter and sand .... 21*65 33*75 Professor Mil Jer’s analysis. king’s scholars’ pond sewage (average). Analyzed hy Professor Miller, Ammonia . . . •.3*26 Phosphoric acid.0*44 Potash .1 *02 Silica.0*54 Lime.7*94 Magnesia.1 *87 Common salt.13*66 Sulphuric acid ....... 7*04 Carbonic acid.4*41 Combustible matter, containing 0*34 liitrogen.5*80 Traces of oxide of iron .... — Matters in solution . . . 45*98 Matters in suspension consisting of combustible matters, sand, lime, and oxide of iron ..... 44*50