Abstract:Sewage sludge (SS) is a byproduct of wastewater treatment which is commonly used as fertilizer in the world. However, due to the possible contamination with heavy metals, xenobiotics and fecal pathogens, its application on fields is not so common in Poland. A safer alternative for agricultural use is the SS produced by food industry in small "inhouse" wastewater treatment plants, as substances that are used in its production are usually less harmful. As pretreatment of industrial wastewater is required before … Show more
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