Effluent Collection

Effluent of Lake Albano, n.d. Creator: Unknown
Effluent of Lake Albano, n.d

Metropolitan Board of Works map of Bazalgette's plan for the Lines of Main Intercepting Sewers
GHL35390 Metropolitan Board of Works map of Bazalgette's plan for the Lines of Main Intercepting Sewers, constructed for the Improved Drainage of the Metropolis, (colour engraving)

Cartoon, Sanitary and insanitary matters
Larger figure representing the industries surrounding the River Thames like the soup boiling factory where bones were used and the knackers yard where injured animals were taken to be slaughtered

Shenyang Copper Smelter, China
Shenyang, Liaoning China - December 2000 I lived in Shenyang for a year as Director of an EU/China air pollution project, and came to know it well

Benxi cement plant in NE China
Benxi, China, April 1999; Cement plants anywhere in the world tend not to win beauty contests. And this one, in the bleak industrial city of Benxi

Gravel filter
Illustration of a gravel filter with a barrels

A Leeds miner and Bienkinsop loco (aquatint)

Effluent from nuclear power station
Outflow of effluent from Hartlepool nuclear power station into the Tees Estuar

Sewage sludge treatment and plant
Yorkshire Water Calder Valley sludge treatment and incineration plant, near Huddersfield, West Yorkshire

Sewage treatment plant, South Africa C016 / 4789
Sewage treatment plant, aerial photograph. The round ponds are settling tanks, where heavier particles in the water sink to the bottom of the tank

Bacterial treatment of paper mill effluent
Effluent treatment pond. A foaming bacterial pond used for treating effluent from a paper mill. The bacteria in this pond destroy toxic pollutants in the paper mills waste water

Sewage treatment plant. Aerial photograph of aeration tanks at a sewage works. This stage is used to treat sewage after most of the solid waste (sludge) has been removed in settlement tanks

Mouth of the mississippi, Landsat image
Mouth of the Mississippi river, Landsat 7 satellite image. Draining much of North America, the Mississippi carries large quantities of sediment into the Gulf of Mexico

Industrial river pollution. Artwork of dead and dying fish in a river, killed by pollution from a factory

Water pollution. Effluent (liquid waste) flowing from a pipe onto a river bank. Photographed by the River Tyne, Newcastle-upon-Tyne, England

Large shoal of mullet feeding at effluent outlet in harbour Bermeo Costa Vasca Euskal Herria Spain
MAB-284 Large shoal of mullet feeding at effluent outlet in harbour Bermeo Costa Vasca Euskal Herria, Spain Mark Boulton Please note that prints are for personal display purposes only

Polluted effluent being pumped into the Irish Sea from the Marchon chemical plant in whitehaven, Cumbria
Ashley Cooper / SpecialistStock

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Effluent, a term often associated with waste and pollution, encompasses various aspects of our modern society. Looking back to 1865, the Metropolitan Board of Works map showcased Bazalgette's ambitious plan for improved drainage in London. This engraving depicted the intricate network of main intercepting sewers that aimed to enhance the city's sanitation system. In contrast, a cartoon from that era highlighted both sanitary and insanitary matters. It shed light on the importance of proper waste management and its impact on public health. Fast forward to present times, we witness industrial effluents like those from Shenyang Copper Smelter in China or Benxi cement plant in NE China. These examples remind us of the environmental challenges posed by industrial activities. However, not all they are harmful; some can be beneficial when properly treated. Take gravel filters as an example – they act as natural purifiers by removing impurities from water sources before it becomes effluent. Another intriguing image showcases a Leeds miner alongside a Bienkinsop loco (aquatint), emphasizing how mining operations have historically contributed to effluent production. The mention of nuclear power stations brings forth concerns about radioactive effluents released into surrounding environments during their operation. Proper disposal and treatment methods are crucial to mitigate any potential risks associated with these substances. On a more positive note, sewage sludge treatment plants play an essential role in transforming wastewater residues into valuable resources such as fertilizers or energy sources. South Africa's sewage treatment plant serves as an example where innovative solutions are employed to manage urban wastewater effectively. Moreover, bacterial treatment techniques have been developed specifically for paper mill effluents – ensuring that this industry minimizes its ecological footprint while continuing its vital role in society.