Topic
Wastewater
About: Wastewater is a research topic. Over the lifetime, 92512 publications have been published within this topic receiving 1256590 citations. The topic is also known as: waste water.
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TL;DR: In this article, simulated dye wastewater, separately prepared with disperse, reactive, direct, acid and basic dyes, were decolorized with a hydrogen peroxide-ferrous ion system, known as Fenton's reagent.
668 citations
TL;DR: The results indicate that microplastic counts increase over time where successive sludge applications are performed, and stress the relevance of sludge as a driver of soil microplastics contamination.
667 citations
TL;DR: In this paper, two large-scale pilot advanced wastewater treatments were tested in parallel over more than one year at the municipal WWTP of Lausanne, Switzerland, and the results showed that the PAC-UF treatment, despite its current higher cost, was the most suitable option, enabling good removal of most micropollutants and macropolutants without forming problematic by-products, the strongest decrease in toxicity and a total disinfection of the effluent.
663 citations
TL;DR: This review evaluates a number of different agricultural waste adsorbents and types of dyes to determine whether low cost adsorbent derived from agricultural wastes can be viable alternatives to activated carbon for the treatment of contaminated wastewater.
663 citations
TL;DR: In this article, a review provides an understanding of principles of struvite crystallization and examines the techniques and processes experimented to date by researchers at laboratory, pilot, and full-scale to maximize phosphorus removal and reuse as struveite from wastewater effluents.
Abstract: The present review provides an understanding of principles of struvite crystallization and examines the techniques and processes experimented to date by researchers at laboratory, pilot, and full-scale to maximize phosphorus removal and reuse as struvite from wastewater effluents. Struvite is mainly known as a scale deposit causing concerns to wastewater companies. Indeed, struvite naturally occurs under the specific condition of pH and mixing energy in specific areas of wastewater treatment plants (e.g., pipes, heat exchangers) when concentrations of magnesium, phosphate, and ammonium approach an equimolar ratio 1:1:1. However, thanks to struvite composition and its fertilizing properties, the control of its precipitation could contribute to the reduction of phosphorus levels in effluents while simultaneously generate a valuable by-product. A number of processes such as stirred tank reactors and air-agitated and -fluidized bed reactors have been investigated as possible configurations for struvite recove...
662 citations