Membrane bioreactor

This paper presents MBR performances observed under steady and unsteady state conditions where influent and permeate flow rates were punctually and simultaneously increased. Experiments were performed in a submerged membrane bioreactor presenting a 50 L working volume. Two capillary membrane modules

A model laboratory scale membrane bioreactor (MBR) for the treatment of swine wastewater has been studied to illustrate the removal mechanisms of selected endocrine disrupting compounds (EDCs). A pilot scale MBR was also operated to confirm the results from the laboratory scale study. Liquid extract

Brine disposal remains a key consideration when employing ion exchange (IEX) for nitrate removal. To circumvent this issue, research was conducted into developing an immersed membrane bioreactor (MBR) as a replacement for ion exchange. This paper compares the economics of the two process options whi

This study aims to identify the nature of organic species (soluble or colloidal) governing membrane fouling within the context of a membrane bioreactor (MBR). A knowledge of their nature and origin (excreted during treatment or associated with the influent) can help to better adapt operational condi

Efficient and stable atrazine removal could be realized after a start-up period in a membrane bioreactor (MBR) bioaugmented with genetically engineered microorganism (GEM) and the removal efficiency was above 90%. The start-up period was the key step of MBR bioaugmented with GEM and determined by op

The main obstacle for a wider use of membrane bioreactors (MBRs) for wastewater treatment is membrane fouling, which increases operating costs. For a more efficient control of membrane fouling in MBRs, an understanding of the mechanisms of membrane fouling is important. We conducted two separate pil

If the notion of sustainable critical flux can be analysed in regards to hydrodynamics conditions imposed closed to a defined membrane surface taking into account the suspension characteristics, it is important to integrate the actual heterogeneity of filtration conditions relatively to the individu

Membrane fouling mitigation in a membrane bioreactor (MBR) performance has been the main focus of research in recent times and researchers have proposed many mechanisms based on biological, hydrodynamic and physicochemical approaches. From this perspective, this paper has been divided into two main

Excess aeration to membrane surface is common for controlling membrane fouling in a submerged membrane bioreactor (MBR) system, but significant energy is consumed for excess air production. Therefore, an alternative strategy for membrane fouling control is currently needed. A new configuration of MB

A novel type of submerged rotating membrane bioreactor (SRMBR), with a rotatable, rounded, flat-sheet membrane module fixed on the axes and moved by an electromotor, was used to treat synthetic sewage. The SRMBR was operated under constant transmembrane pressure (TMP) condition and a standard TMP-st