The purification of sewage and water / by W.J. Dibdin.

Date:
1897
Catalogue details

Licence: Public Domain Mark

Credit: The purification of sewage and water / by W.J. Dibdin. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    Quantities stated in Grains per Gallon (except Residue — Crude Sewage. Effluent Date. Chlo- rine. Oxygen Ab- sorbed in Four Hours. Nitro- gen as Ni- trites. Nitro- gen as Ni- trates. Free Ammo- nia. Albu- i mimid Ammo- nia. Sus- penled Matter. Residue on Micro Filter per Litre. Chlo- rine. Oxygen Ab- sorbed in Four Hours. Nitro- gen as Ni- trites. 1896 November 21 3-291 2-531 99 30 5-200 1-060 December 8 4-760 2-340 99 21 7*677 2,400 1-225 1897 J anuary. 4 2-380 # , 1,800 1-496 99 12 5-578 1 3,000 1-904 99 18 . . 7-711 .. 2,700 2-372 February 1 • • 6-590 •• 4,500 1-720 9 9 8 5-95 5-540 0-155 0-002 2-810 0-330 108-80 2,700 5-95 1-824 0-630 99 15 6-30 1-911 0-022 0 000 2-700 0-258 15-06 1,400 6-30 0-588 0-159 , 9 9 22 6-40 3-815 o-ooo 0-000 3-906 0-245 29-90 1,900 5-20 1-381 0-084 March .. 1 8-05 4-248 0-021 o-ooo 7-770 0-602 28-14 1,900 8-05 2-222 0-021 99 8 600 2-993 0-015 o-ooo 4-197 0-680 13-58 800 5-40 1-146 0-061 99 15 11-10 4-941 0-000 o-ooo 13-600 1-260 29-62 1,800 5-60 1-860 0-398 99 22 8*40 4-727 0-000 o-ooo 11-464 1-700 22-73 3,400 8-40 3-000 0-420 99 29 23-10 8-312 Trace Lost 51-700 1-300 3,400 ( Lost— April .. 5 7-00 3-209 0-000 0-000 4-860 1-330 20-72 2,200 6-30 0-679 0-196 >> 20 9-00 2-495 o-ooo o-ooo 6-210 0-750 25-55 3,000 ! 7-70 0-720 0-308 99 26 8-20 3-628 0-000 o-ooo 4-700 0-600 241-10 10,000 ! 6-80 0-967 0-072 May .. 3 8-00 3-480 0 000 o-ooo 5-250 0-570 51 85 1,800 7*50 1-044 0-113 99 10 10-00 4-587 0-010 o-ooo 5-663 0-994 56-16 3,100 730 1-284 0-051 99 17 9-20 2-999 0-000 o-ooo 3-264 0-590 54-25 2,600 8-50 2-727 0-000 . ” 24 8-20 4-425 0-000 o-ooo ' 3-500 i 0-670 139-98 5,600 8-20 2-743 0-103 j Averages.. 8-99 4-543 0015 o-ooo! 8-774 0-792 60 03 3,000 ' 6-91 1-674 0-165 1