Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/111040
Título: Laundry Wastewater Treatment: Review and Life Cycle Assessment
Autores/as: Santiago, Dunia E.
Hernández Rodríguez, M. J.
Pulido-Melián, E.
Clasificación UNESCO: 330810 Tecnología de aguas residuales
Palabras clave: Advanced Oxidation Processes
Biological Treatments
Coagulation
Filtration
Laundry Wastewater, et al.
Fecha de publicación: 2021
Publicación seriada: Journal of Environmental Engineering, ASCE 
Resumen: Accommodation providers produce large amounts of wastewater in laundering processes (12–25  L/kg of textile). The composition of this wastewater depends on the washing procedure. Between 2 and 100  mg/L methylene blue active substances (MBAS), between 1 and 30  mg/L total phosphorous, and up to 20,000  mg/L chemical oxygen demand (COD) have been reported. Many regions have regulated the concentration of surfactants and phosphorous that can be discharged into water bodies to a few milligrams per liter, due to the negative effects that these compounds can cause in the environment. Several techniques can be employed in laundry wastewater treatment, including coagulation, filtration, biological reactors, adsorption, or advanced oxidation processes. Frequently, a combination of the mentioned processes is needed to meet the desired water quality standards. Only a few studies have reported an economic assessment of the options employed for laundry wastewater reclamation. Lower costs have been reported for coagulation, biological reactors, and adsorption processes than for other treatments such as filtration techniques. Total treatment costs vary between €0.09/m3 (treatment with granular activated carbon) and €5/m3 (nanofiltration). Life cycle assessment (LCA) is important for decision-making when different alternatives can be applied. Few references include a LCA for laundry wastewater treatment. Electricity consumption has been reported as one of the main environmental hazards for laundry wastewater treatment: an equilibrium must be reached between energy consumption and the standards of treated water. Future works must lead with the full-scale application and long-term monitoring of general, cost-effective, simple, and environmentally friendly techniques for the treatment of industrial laundry wastewater.
URI: http://hdl.handle.net/10553/111040
ISSN: 0733-9372
DOI: 10.1061/(asce)ee.1943-7870.0001902
Fuente: Journal of Environmental Engineering, ASCE [ISSN 0733-9372], v. 147 (10): 03121001, (Octubre 2021)
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