MBR-Assisted VFAs Production from Excess Sewage Sludge and Food Waste Slurry for Sustainable Wastewater Treatment

Biofuel Production from Biomasses, Municipal Solid Waste and Sewage Sludge

The aim of this research line is to study and optimize the production of biofuels through the anaerobic digestion (AD) of organic waste (biohydrogen and biomethane) and the exploitation of lipid-rich biomasses and waste matrices (biodiesel). The research on anaerobic digestion has the following goals: a) the study of the biomethanization of unconventional waste matrices, such as algae, municipa...

Simultaneous treatment of sewage sludge and food waste by the unified high-rate anaerobic digestion system.

This study aimed to evaluate the performance of the unified high-rate anaerobic digestion (UHAD) system treating co-substrate of sewage sludge and food waste. A 24-hr operating sequence consisted of four steps including fill, react, settle, and draw. The effects of co-substrate and organic loading rate (OLR) on the performance were investigated to verify the system applicability. In each OLR, t...

Reduction of Excess Sludge in Sewage Treatment by Ozone Application

A new process which attains both excess sludge reduction and phosphorus recovery has been developed. In this paper, characteristics of sludge solubilization by ozone were investigated in batch experiments with sludge taken from an A/O reactor supplied with synthetic sewage and several real wastewater treatment plants. Then, performance of the new developed process was investigated in a laborato...

Evaluation of Sewage Sludge for Incineration (Case study: Arak Wastewater Treatment Plant)

Sewage sludge treatment has become a primary subject in wastewater treatment and energy production. This paper aims to study the feasibility of power generation by incineration from sewage sludge enriched with impurities like heavy metals. For this purpose, we chose Arak wastewater treatment plant (AWWTP) and used calorific bomb test for examination. The experimental results showed that the hea...

Biogas Production under Co-digestion of Food Waste with Sewage Sludge