Ten years' practical experience in sewage treatment : a contribution to the conference held at the Society of Arts, on the 15th and 16th of May, 1879 / by Fritz Hille.

  • Hille, Fritz.
Date:
[1879]
Catalogue details

Licence: Public Domain Mark

Credit: Ten years' practical experience in sewage treatment : a contribution to the conference held at the Society of Arts, on the 15th and 16th of May, 1879 / by Fritz Hille. Source: Wellcome Collection.

Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.

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    The Soluble and Suspended Matter in the several Samples were as follows :— Constituents per Imperial Gallon. Sept. 5th, 1871, at 2.30 p.m. August 20th, 1871, at 1 p.m. Original Sewage. Effluent Water. Original Sewage. Effluent Water. Soluble Matters Of which Ammonia » „ Organic do. „ Nitrogen as Nitrates ... „ Chlorine as Chlorides ... „ Organic Matter, etc. ... ,, Mineral do. Gr. 58 00 5-37 034 0 00 9 49 14-65 43-35 Gr. 25 43 1-27 008 0-03 7-10 2.45 22.99 Gr. 116-47 14 99 0-08 0-00 10-76 20-S0 95-67 *?Or. 33 27 2-56 0-09 0-04 8 35 2.61 30.66 Suspended Matters 213-76 0-00 126104 0 00 Of which Organic Matter ... 75-03 0-00 705-71 0-00 „ „ Mineral do. 138-73 0-00 555.33 0.00 These results show that the defaecation of the Sewage has been very complete, and that the Effluent Water is sufficiently the Slightest offence^6 ^ anyriUminS stream without causing (Signed) HY. LETHEBY, M.B., M.A., etc. Professor of Chemistry in the College of the London Hospital n and Med™al Officer of Health for the City of London. College Laboratory, London Hospital, September 24tA, 1871. loA, Great George Street, Dear Mr. Hille, Jvly 7th’ 1872> nitaW oir?aTV VepenJt-ly made some experiments with your Preci ae ~ei.imeafa 4 r™irnot made «« - S01' leaving a clear supernatant liquor The su SeWa«e> a,ld quite as rapid as with the ni PI , f 61100 18 very rapid, P^te of Lime, Ah^ - P^S’