1 1 a brief history of human waste disposal part 1: from cesspits & outhouses to water closets...
TRANSCRIPT
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A Brief History of
Human Waste DisposalHuman Waste DisposalPart 1: From Cesspits & Outhouses to Water Closets
John T. O’Connor, EngD, PE
Tom O’Connor, BSEE, MBA, PEH2O’C Engineering, Columbia, Missouri
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A Brief History of
Human Waste DisposalHuman Waste DisposalPart 2. Toilets & Water Carriage
Dr. John T. O’Connor, PE
Tom O’Connor, PE
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Indoor PlumbingIndoor Plumbingcirca 1900
to eliminate: disease, fumes, explosions
Thomas J. Crapper’sValveless Water Waste Preventer
‘Pull and let go!’
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T. Crapper, Sanitary Engineer also patented:
House Drain Ventilators
Air Pump and Smoke Generating Machines
Disconnecting Traps
Self-Rising Closet Seats
Cantilever Toilet
Flusherette Valve
Stair Treads to prevent slipping
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Explosions, Rats & Explosions, Rats & DiseaseDisease
1870: 1 in 3000 died of typhoid
Waterborne Wastes required Collection Systems (Sewers)
Toilets Undermined Use of Cesspools
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Earliest Indoor PlumbingEarliest Indoor PlumbingUnited StatesUnited States
White House: 1825 – the ‘Quincy’
Tremont House (Boston Hotel): 1880s
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Waste Disposal after 1900Waste Disposal after 1900 Toilets and Water Carriage led tothe Birth of Sanitary Sewerage
Valveless Water Waste Preventer
Indoor Plumbing overflows Cesspits
Progressive Death of the Cesspit
Technology for Disposal of ‘Flushings’
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Toilet Paper - U.S.Toilet Paper - U.S.
1857 Joseph Gayetty - therapeutic paper with Aloe
500 sheets for 50¢
1890 Scott Paper Co. - tissue on a roll -1000 sheets
"over 65% of middle-aged men and women suffer from some sort of rectal disease”
“Sani-tissue and Waldorf are famous bathroom tissues specifically processed to
satisfy the three requirements doctors say toilet tissue must have to be safe:
absorbency-softness-chemical purity"
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Before Waldorf ?Before Waldorf ?
Corn cobs, newsprint, Sears Roebuck catalog, leaves, sand - U.S.
Hayballs, Scraper/gompf stick - Middle Ages
Discarded sheep's wool - Viking Age, England
Frayed end of an old anchor cable - sailing crews from Spain, Portugal
Straw, hay, grass, gompf stick - Medieval Europe
Water and your left hand - India
Pages from a book - British Lords
Coconut shells - Hawaii
Saltwater-soaked sponge on the end of a stick - Public Restrooms, Ancient Rome
Wool and Rosewater - Wealthy Romans
Lace, hemp, wool, bidet - French Royalty
Defecating in the river - commonplace worldwide
Snow, Tundra Moss - Eskimos
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T.P. StatisticsT.P. Statistics
Average 1000 sheet (single ply) roll, 110 mm x 110 mm, weighs 227 grams.
A roll lasts about five days in a main household bathroom.
The average consumer uses 8.6 sheets per sitting - or 57 sheets per day.
One cord of softwood yields 450 kilograms (2000 rolls) of toilet paper.
Bleaching (chlorinating) t. p. produces dioxins and toxic organochlorines.
Chlorine dioxide, hydrogen peroxide, ozone are now eco-alternatives.
1999 Paperless toilet - Japan - wash/rinse/blow-dry, heated.
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Hello, TotoHello, Toto‘Faulty wiring’ ‘Faulty wiring’ leading to smoke and fires promptedleading to smoke and fires promptedToto, Japan’s leading toilet maker, to offer free repairs onToto, Japan’s leading toilet maker, to offer free repairs on
180,000 of their popular series Z electric bidet toilets.180,000 of their popular series Z electric bidet toilets.
The $2,000 “Z” features a pulsating massage spray, aThe $2,000 “Z” features a pulsating massage spray, apower dryer, built-in-the-bowl deodorizing filter, a ‘Tornadopower dryer, built-in-the-bowl deodorizing filter, a ‘TornadoWash’ flush and a lid that opens and closes automatically.Wash’ flush and a lid that opens and closes automatically.
BanZai!BanZai!
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Wash and FlushWash and FlushWater Saver
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