MBR, MBBR and FBBR – Comparison of wastewater treatment technologies (PART 2)

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The comparison of the three systems show different advantages and disadvantages for industrial wastewater applications: 1.       Effluent water quality: MBRs show in general a slightly better BOD removal than MBBRs or FBBRs. Very fine membranes can even hold back germs so that the water effluent quality is in general better. 2.       Resistance to influent peaks […]

MBR, MBBR and FBBR – Comparison of wastewater treatment technologies (PART 1)

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MBR, MBBR and FBR are widely used technologies in wastewater treatment especially for industrial applications with a high BOD loading such as food and beverages, dairy, chemical, leachate and others. As industrial applications usually have volatile water inflows, equalization tanks are used for water storage and eventually PH neutralization as well as flocculation. Afterwards screens […]

Fixed bed bio reactor (FBBR) – Poultry processing plant

Situation: The Hurlock, MD poultry plant processes about 300,000 chickens per day which equals a total flow of 1.3MGD (4 gallons per bird). The existing process strain included a DAF unit and wet well. The effluent wastewater of the DAF unit was 530mg/l BOD, 95mg/l TKN and 106mg/l TSS. However the discharge permit is 425mg/l […]

Drinking water from surface water

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With decreasing groundwater reservoirs, alternative resources for drinking water become more and more important. Already today a tremendous amount of our tap water comes from surface water resources such as rivers and lakes. Before surface water reaches our taps it undergoes various process steps. Drinking water pretreatment includes coagulation and flocculation before particles are settled […]

Beneficial Biofilm Bacteria in waste water treatment

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Most people relate Biofilm bacteria as something nasty and harmful. This is understandable as we normally come across Biofilm bacteria attached to shower heads, pipes, kitchen sinks or chillers at home or public places. Here Biofilm bacteria can cause corrosion, fouling or even lead to legionella growth. In the last few years public media discovered […]