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SchlammFIT®
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SchlammFIT®
Product catalog summary
Overview: SchlammFIT® is a sludge filtration and drying process developed by SolarTiger®. It combines gravitational filtration and solar drying to efficiently dehydrate sewage sludge, reducing its volume significantly.
Process Description: The process involves two main steps: initial filtration using gravitational energy and subsequent drying using solar radiation. This method requires less than 2 kWh of electrical energy per cubic meter of liquid sludge. The filtered water is returned to the wastewater treatment plant to prevent operational issues.
Efficiency and Environmental Impact: The process dehydrates sewage sludge from 3% to over 70-80% dry matter, reducing its volume by approximately 95%. This reduction decreases transportation efforts and produces a carbon-neutral fuel.
Technical Process: Initially, sewage sludge is treated with polyelectrolytes to form large flocs. It is then filtered in a gutter system within a solar drying hall. The sludge is left to dehydrate overnight, reaching a solids content of 12-15% before being spread for further drying.
Energy and Automation: The entire process consumes about 2 kWh of energy per cubic meter of sludge. The drying plant operates automatically via a programmable logic controller (SPS), requiring minimal human intervention (20-30 minutes daily).
Technical Specifications: The standard hall width is 9-12 meters, with other widths available. The daily feed volume ranges from 4 to 24 m³ of liquid sludge with 2-5% solids content. The hoist power is between 3,500 and 9,500 kg, with a total empty weight of 1,000 kg and a full weight of up to 8,500 kg.
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Catalog excerpts
SolarTiger® SolarTiger GmbH A- 4942 Gurten, Freiling 23 Tel. +43 (0) 7757 6328-0 | Fax. DW 15 SchlammFIT® SchlammFIT® stands for sludge FILTRATION with INTEGRATED DRYING. With the SchlammFIT® -process the sewage sludge is in the first step filtered that means dehydrated by the gravitation energy. During the second step the natural solar radiation is used for drying. All in all are less then 2 kWh electrical energy needed per m³ liquid sludge. The filtered water runs back into the wastewater treatment plant regularly and controlled not to get any final overstressing or operating problems. A final...
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