SUBSYSTEMS
DAS Environmental Expert GmbH www.das-europe.com
The DAS Pollution Abatement Facility eliminates Fine Dust
The DAS Environmental Expert GmbH provides economically sound, easily manageable and cost-effective solutions meeting the high demands for waste management in the photovoltaic industry.
Our ESCAPE-technology combines burn/wet technologies in the narrowest space. In addition to the successful ESCAPE-series, DAS has developed the systems GIANT and UPTIMUM for special application in the photovoltaic industry.
Both systems treat large amounts of waste gas, work efficiently, reliably, and cost effectively, which is important for our clients in the PV industry.
The discharged air can subsequently be cleaned of fine dust. By means of a strong electromagnetic field as well as a special scrubbing tube the electrostatic dust collector EDC reduces emissions of even very fine particles by up to 99.9%.
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The remaining residual gas complies with the regulations of the TA-Luft, and can promptly be released into the environment.
Edwards www.edwardsvacuum.com
Dry Vaccum Pump
Edwards, a leading global supplier of vacuum and abatement equipment and services, introduced the new iXL line of dry vacuum pumps.
The first member of the family, the iXL 500, is one of the most compact and efficient pumps in its class. It is designed primarily for load lock applications in solar cell and flat panel display manufacturing where high gas throughputs and fast pump down times are crucial.
"The new iXL 500 offers up to 60 percent improvement in cost of ownership compared to its predecessor," said Mike Allison, managing director for the Solar, Semiconductor and Flat Panel Display Divisions, Edwards. "It is an impressively compact and quiet pump for its pumping speed, and we have made several changes to make it more
energy efficient, easy to install and maintenance free." The iXL 500, which measures only 1186 X 517 X 966 mm, offers a pumping speed of 1800 m3h-1 while consuming only 7kW of power. Its low inertia booster shortens load lock evacuation times with faster more efficient pumping at higher inlet pressures.
The system's maintenance free design uses long lasting oil lubrication and eliminates the shaft seal by enclosing the motor within the vacuum.
For multiple iXL 500 pumps on a single chamber, Edwards offers multi-pump systemization—a pre-configured system with integrated power distribution, control, and EMS to make hook-up simple and fast.
The iXL 500 features intelligent monitoring and is fully compatible with the FabWorks™
network system.
Constant high maintenance efforts as well as system downtimes due to clogged conduits are finally a thing of the past.
The remaining waste-water, during the production of silicium-based solar cells usually caustic potash solution with dissolved fluoride-ions as well as silicium- dioxide SiO2 in form of smallest particles, can also be treated with DAS systems.
The polluted process wastewater is treated by way of adequate processes like precipitation, coagulation and neutralization.
After separating solid matter they are disposed of in respective waste sites, the remaining water is so clean that without any further treatment it can be directly discharged into the receiving waters of the local sewage system.
Ultimate reliability at the lowest operational cost is the strength of the waste management solution from Dresden. This is how DAS Environmental Expert GmbH helps the photovoltaic remain a "green" and environmentally friendly technology.
www.solar-pv-management.com Issue II 2010
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