Elisenhütte is a peninsula of approx. 4 skm with an old established industry consisting of two companies, one producing ammunition and one woodworking company. Furthermore, there are two multifamily residences and one private property. The peninsula Elisenhütte is situated directly to the Lahn which is a nature sanctuary. As the properties are wide spread the connection to the public canalisation turned out to be too expensive. A research made by experts came to the result that the installation of small MBR with siClaro membranes would be much more economical and would also fulfil all legal requirements for the biological cleaning of wastewater even for a nature sanctuary.
 
INLET
One company currently employs approx. 150 employees in a multi-shift operation. In this company, a daily amount of approx. 80m³ industrial wastewater arises. The other company currently employs approx. 20 employees. In addition 4 residents live there. Furthermore there is an apartment house with 18 residents and one apartment house and the private property with 4 residents each.
 
 
 
 
Turnkey project / Design, supply, installation and commissioning of the MBR compact plant in Berlin - Margaretenhöhe.
 
INLET
the siClaro membrane bioreactor plant receives the flows into the screening stage from a pressure drainage system (dedicated sewer). Approx. 250 residents are connected to the system.
PROCESS DESCRIPTION
The raw water passes through a 3 mm perforated screen to the biological treatment. The biological process combines enhanced biological phosphorus and nitrogen removal in a post-denitrification step. Afterwards the biological treated wastewater is pumped to a flow splitting box feeding the three filtration cells. The filtrate passes through the membranes via filtrate pumps. The structure also comprises filtrate collection, sludge storage and a machine room with work place.
 
 
DESIGN DATA
Population Equivalent (PE)                                    250
Average flow (m³/d)                                               12
Peak flow (l/s)                                                         0,2
No. of siClaro® Filter                                              2+1
Installed membrane surface area (m²)                   150+75
Aeration tank volume (m³)                                     10
 
 
 
TASK
New membrane plant was installed to replace existing WwTP to treat domestic and industrial flows.
 
INLET
The plant receives flows from the catchment area with approx. 600 connected residents and from an industrial business park with approx. 900 population equivalents. There are high load and flow variations due to the connected business park.
PROCESS DESCRIPTION
The WwTP comprises of an inlet pumping station followed by a mechanical treatment stage with 3 mm fine screen and grid trap. Surplus flows build up in the storm tank. Afterwards the sewage flows into the combined membrane aeration tank (intermittent denitrification). Filtrate is collected by filtrate pumps through the membranes and finally discharged to the local watercourse. Surplus sludge is removed periodically from the process to the storage tank.
DESIGN DATA
Population Equivalent (PE)    1.500
Average flow (m³/d)    115
Peak flow (m³/h)    5.1
Installed membrane surface area (m²)    702
Aeration tank volume (m³)    135
 
 
 
TASK
Turnkey project / Design, supply, installation and commissioning of the MBR compact plant in Lake Melissa.
INLET
The membrane bioreactor plant receives the flows into the pre-settling tank stage from a pumping station. Approx. 250 residents are connected to the system.
PROCESS DESCRIPTION
The raw water passes through a septic tank to the biological treatment. The biological process combines nitrogen removal in a preliminary denitrification tank and afterwards in a nitrification step including two siClaro® Filter. The filtrate passes through the membranes via under pressure created by filtrate pumps.
 
DESIGN DATA
Population Equivalent (PE)                                                                  300
Average flow (m³/d)                                                                               30
Peak flow (l/s)                                                                                        0,2
No. of siClaro® Filter                                                                             2+1
Installed membrane surface area (m²)                                                  150+75
Aeration tank volume (m³)                                                                     10
 
TASK
The Germany Navy’s OSTE class reconnaissance vessels built in 1988 and 1989, will now be retrofitted with new biological membrane technology for onboard black and grey water treatment. The ultrafiltration wastewater treatment plant with a pre-treatment module and a new vacuum plant will meet the Navy`s updated complex wastewater management requirements.
FINAL EFFLUENT QUALITY
The final effluent exceeds all requirements given by the IMO (International Maritime Organization), the German “Seeberufsgenossenschaft”, Germanischer Lloyd and the German Navy.
 
TREATMENT CAPACITY
Population Equivalent (PE)                             86
Raw sewage input (m³/d                                 13.1
Grey water input (m³/d)                                   11.7
BOD5 input (kg/d)                                             7.8
No. of membrane modules                               16
Total BMP tank volume (m³)                             5
FINAL EFFLUENT QUALITY
The final effluent exceeds all requirements given by the IMO (International Maritime Organization), the German “Seeberufsgenossenschaft”, Germanischer Lloyd and the German Navy
 
 
All German Navy frigates type 122 – BREMEN class will be upgraded with the new biological membrane technology. An ultrafiltration wastewater treatment plant with a pre-treatment module will be delivered to meet the Navy`s updated complex wastewater management requirements.
 
Population Equivalent (PE)                                                      236
Raw sewage input (m³/d)                                                    35
Grey water input (m³/d)                                                                30
 BOD5 input (kg/d)                                                                21.2
No. of membrane modules                                                    48
Total BMP tank volume (m³)                                                    35
 
 
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