Solar drying of wastewater sludge: a case study in Marrakesh, Morocco

2018 ◽  
Vol 40 (10) ◽  
pp. 1316-1322 ◽  
Author(s):  
Mohamed Oussama Belloulid ◽  
Hassan Hamdi ◽  
Laila Mandi ◽  
Naaila Ouazzani
Keyword(s):  
Wastewater Sludge ◽  
Solar Drying

scholarly journals Cumulative ventilation air drying potential as an indication of dry mass content in wastewater sludge in a thin-layer solar drying facility

2013 ◽  
Vol 34 (4) ◽  
pp. 23-34 ◽  
Author(s):  
Piotr Krawczyk
Keyword(s):  
Sewage Sludge ◽  
Sewage Treatment ◽  
Sewage Treatment Plant ◽  
Treatment Plant ◽  
Dry Mass ◽  
Wastewater Sludge ◽  
Solar Drying ◽  
Mass Content ◽  
Large Variability ◽  
Low Temperature Drying

Abstract Controlling low-temperature drying facilities which utilise nonprepared air is quite difficult, due to very large variability of ventilation air parameters - both in daily and seasonal cycles. The paper defines the concept of cumulative drying potential of ventilation air and presents experimental evidence that there is a relation between this parameter and condition of the dried matter (sewage sludge). Knowledge on current dry mass content in the dried matter (sewage sludge) provides new possibilities for controlling such systems. Experimental data analysed in the paper was collected in early 2012 during operation of a test solar drying facility in a sewage treatment plant in Błonie near Warsaw, Poland.

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