Sewage and the bacterial purification of sewage / by Samuel Rideal.

  • Rideal, Samuel, 1863-1929.
Date:
1906
Catalogue details

Licence: Public Domain Mark

Credit: Sewage and the bacterial purification of sewage / by Samuel Rideal. Source: Wellcome Collection.

    381/400 (page 353)
    N Nais, 77 “ Native Guano process, 160 Nesslerizing, 35, 45 Night-soil, 10 Nitrates, 16, 17, 99, 100 ,, addition to effluents, 179, 276 ,, determination of, 43 ,, in soil, 124 Nitrification, 58, 68, 77, 121, 202, 232, 251, 3i7 Nitrifying organisms, 66, 77 „ trays, 65, 268 Nitrites, 16, 17, 49 ,, determination of, 44 ,, as oxygen carriers, 119 Nitrogen, disappearance of, 99, 220 ,, dissolved, 50 ,, forms of, 30, 59 ,, gain of, 231 ,, loss of, 58, 106, 119, 126, 222, 330 ,, production of free, 119, 126 ,, organic, 28, 59 ,, oxygen required to oxidize, 121 ,, determination of, 45 ,, ratios, 30, 59 ,, restoration to the land, 33 Nitrobacter, 76, 101 Nitrosification, 68, 118 Nitrosomonas, 76, 101, 118 Nitrous oxide, production of, 126, 127 Nobbe’s solution for plant food, 332 Nuisance actions, 188, 341 Nutrient media for bacteria, 62, 123 O Obligate aerobes and anaerobes, 64, 72 Odour, removing, 168. 174, 180, 181, 341 Odours from sewage, 80, 173, 318 ,, from organisms, 80, 82 Oldham sewage, 12 One-acre filter at Barking, 98, 211 Organic acids, 107, 109 Organisms, larger, effecting purification, 77 ,, causing odours, 80 ,, methods of counting number of, 63 Oscillaria, 80, 83 Osier beds, 140 Oswestry, Sutton system at, 223 Outfalls, position of, 316 Overflows, storm-water, 315 Oxidation by manganese compounds, 179 ,, ratios, 30 Oxidizing agents, 56, 177, 179, 192, 194 Oxychlorides, 185-190 Oxydases, no Oxygen, available, 16, 130 ,, consumed or absorbed, determina¬ tion of, 37 ,, consumed process, criticism of, 37 j ,, ,, ,, modifications i of, 39 ,, dissolved, 47, 48,189 ,, liberated from manganates and permanganates, 177 ,, required for nitrification, 121 Oxynite process, 179 Oysters, 21, 170, 320-322 Ozone, 194 P Pail system, 10 Paper dissolved anaerobically, no Paris, disposal of dust, 197 ,, pollution of Seine at, 4 ,, treatment of sewage at, 143 Pasteur’s researches, 65, 202 Pasteur-Chamberland filter for sterilizing, 68, 70, 329 Pathogenic organisms, 75, 84, 100, 186, 215, 327 Pavements, 6, 181 Peat and peaty matters (see Humus) Penicillium glaucum, 114 Peptones, 62 Permanganate alkaline, 36 ,, test, 37 Permanganates, use of, for sewage, 176 Peroxide of chlorine, 192 ,, of manganese, 178 Per-salts of iron (see Ferric Salts) Petri dish, 62, 63, 67 Phenol derivative5, too, 107, no ,, in cultivations, 67 Phenylacetic acid, 174 Phosphates in sewage, 41, 200, 332 Pipe lines, 21, 148, 317 Plants, on sewage farms, 137, 194, 333 ,, water, 78 Plate cultures, 62 Ploughing in, 135, 154 Pneumatic control (see Adams) ,, disposal of sewage, Liernur’s, 194 ,, emptying of cesspools, 3 Podura aquatica, 78 Polarite, 227, 322 Pollution of rivers (see Rivers) Pollution of drinking water and wells, 3, 8, 10 Population per acre of land, 147 Potassium in sewage, 41, 332 Precipitation before application to land, 146 „ chemical, 155 Pressing sludge, 166 Primary beds, 216 Privies, 8 Proteus vulgaris and other species, 73, 74 Proto-salts of iron (see Ferrous) Protozoa, 84 Ptomaines, 93, 108 Pumping sewage, 152, 201 Putrefaction, theories of, 95, 202 Pyrolusite, 178 Q Quality of sewages, 28, 311 Quantities excreted daily, 40, 54, 331 . Quantity of land required, 147 R Rainfall, 6, 27, 148, 310 Rathmines, 20, 316 Recovery of grease, 335 ,, of manganese, 179 *, of waste products (see Utilization) “ Reduction ” of refuse, 198 Refuse, as filtering material, 223 ,, classification of, 5; I99 destruction and disposal, 196 trade, 55, 199. 3*2’ 335 Regulations (see Local Government Boar and By-laws) of Massachusetts Board, 7 Reversible reactions, 104 Retting of flax, 111 23