Waste from water treatment includes biological waste, industrial water waste, and household waste. It is sent to a wastewater treatment plant to filter solids and release clean water. Industrial wastewater may be treated on-site before being transported to a government plant.
Waste from water treatment is any product that is discarded into a sewage system, usually a sanitary sewage system, that contains solids and is considered hazardous. Waste types include biological waste from normal bodily functions, industrial water waste from factories and other manufacturing facilities, as well as common household waste. Regardless of the type of waste, waste from water treatment usually travels to the same place. A wastewater treatment plant will filter solids and release clean water.
Normal household waste includes waste disposed of during cooking and cleaning. This includes waste from the kitchen, bathroom and laundry. Waste from water treatment of this type would consist of water with soaps, food particles and other chemicals which, if released into the natural environment, would, or could be, very harmful. Like any other type of waste, it must be treated and removed from the water.
Biological waste includes faecal matter and urine, which is sent via a sanitary sewer connection to the water treatment plant. When it gets to the main sewer line, household waste and biological waste will mix together, as both are cleaned the same way.
Industrial wastewater treatment can be done a little differently. During the manufacturing process, some jurisdictions may allow wastewater to be placed directly into a stream or river, provided certain guidelines are met. There can be no biological waste ejected with industrial waste, and metals and other solids in the water must be kept within certain parameters. The types of metals found in the effluent will also be limited to those that pose no serious threat to the environment, including aquatic life.
Some industrial plants, particularly those in the slaughtering and meat packing industries, may also be set up to handle primary wastewater treatment, commonly referred to as Stage 1, themselves. These wastewater treatment wastes are also filled with biological solids, but blood and other materials are often present instead of fecal matter and urine. Treatment is done on-site when an analysis shows that it is cost-effective for the packing plant to handle some of its own water treatment waste. Therefore, after the primary treatment has been completed on site, the remainder of the waste will likely be transported to a government wastewater treatment plant via a special sewer system that bypasses that first step.
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