Knefel, Markus

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Engineering Conferences International

Engineering Conferences InternationalECI Digital ArchivesWastewater and Biosolids Treatment and Reuse:Bridging Modeling and Experimental Studies ProceedingsSpring 6-11-2014CFD optimized woven filter media for wastewaterapplicationMarkus KnefelGKDFollow this and additional works at: http://dc.engconfintl.org/wbtr_iPart of the Environmental Engineering CommonsThis Conference Proceeding is brought to you for free and open access by the Proceedings at ECI Digital Archives. It has been accepted for inclusion inWastewater and Biosolids Treatment and Reuse: Bridging Modeling and Experimental Studies by an authorized administrator of ECI Digital Archives.For more information, please contact franco@bepress.com.Recommended CitationMarkus Knefel, "CFD optimized woven filter media for wastewater application" in "Wastewater and Biosolids Treatment and Reuse:Bridging Modeling and Experimental Studies", Dr. Domenico Santoro, Trojan Technologies and Western University Eds, ECISymposium Series, (2014). http://dc.engconfintl.org/wbtr_i/22SLIDE 1  CFD OPTIMIZED WOVEN FILTER MEDIA FOR WASTEWATER APPLICATION (BY USING                  AND                 )  WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 2  FAMILY-OWNED, FOUNDED IN 1925 408 EMPLOYEES IN DUEREN      623 EMPLOYEES WORLDWIDE      (January 2013)        HEADQUARTER IN DUEREN, GERMANY  WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 3   GKD – World Wide Weave  01. GKD – GERMANY, Dueren (Headquarter)  02. GKD – UK, Sherburn in Elmet  03. GKD – FRANCE, La Roque d‘Anthéron  04. GKD – SPAIN, Barcelona  05. GKD – USA, Cambridge  06. GKD – LATINAMERICA, Santiago de Chile  07. GKD – SOUTH AFRICA, Randfontein  08. GKD – INDIA, Jaipur  09. GKD – CHINA, Beijing  10. GKD – MIDDLE EAST, Dubai   11. GKD – MIDDLE EAST, Doha  WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 4  WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY ALIMINI BEACH SLIDE 5  WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 6  WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 7  CONSTRUCTION OF ELEMENTS WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 8  SOME OF OUR APPLICATIONS… WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 9  SOME OF OUR APPLICATIONS… WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 10  APPLICATION E.G. SLUDGE DEWATERING VISUALIZATION OF WEAROUT WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 11  APPLICATION E.G. ROTARY DISC FILTER WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 12  GEODICT‘S TOOL: WEAVEGEO WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 13  GEODICT‘S TOOL: WEAVEGEO WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 14  DETERMINATION OF BIGGEST OPENING  WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 15  2D VELOCITY THROUGH A WIRE MESH GEODICT‘S TOOL: FLOWDICT WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 16   CALCULATION OF PERMEABILITY             WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 17  COMPARISON: CFD SIMULATION RESULTS AND MEASUREMENTS WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 18  CALCULATION OF FILTRATION EFFICIENCY REAL  STRUCTURE VIRTUAL   STRUCTURE WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 19  CALCULATION OF OVERALL FILTRATION EFFICIENCY WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 20  WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY ANALYSIS OF PARTICLE RETENTION LAYERS SLIDE 21  ANALYSIS OF PARTICLE RETENTION LAYERS WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 22   CALCULATED FLOW INSIDE A FILTER HOUSING USING            WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 23   CALCULATED BACKFLUSHING OF A FILTER CANDLEY USING            WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 24   CALCULATED BACKFLUSHING OF A FILTER CANDLEY USING            WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 25  USE OF ODW IN VERY FINE WATER FILTRATION WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 26  CUSTOMER‘S PREVIOUS PRODUCT:  PERFORATED PLATE (HONEYCOMB DESIGN) + 500 MESH  + WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 27  SIMULATED STRUCTURE WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 28  SIMULATED STRUCTURE WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 29  SIMULATED STRUCTURE No active filtration area above the perforated plate  WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 30  No active filtration area above the perforated plate  SIMULATED STRUCTURE WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 31  2 problems:   1. ~ 30.6% less active filtration area due to the perforated plate  2.  Algae grow in those zones!  WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 32  OPTIMIZED DUTCH WEAVE (ODW) Very small openings   fine filtration WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 33  COMPARISON BETWEEN ODW AND 500 MESH “OPENING“  TENSILE STRENGTH  (WARP DIRECTION) TENSILE STRENGTH  (WEFT DIRECTION) µm N/mm N/mm  500 mesh   25  7.0  7.6  ODW 11   11 (-56%)  11.5 (+64%)  15.6 (+105%)  ODW 14   14 (-44%)  19.9 (+184%)  18.6 (+145%)  ODW 18   18 (-28%)  20.1 (+187%)  19.5 (+156%) WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 34  Aactive,2D: 21.4% Aactive,2D: 29.3% INTERFERENCE RESISTANCE*1 *1: TICHY, J., PHD WORK AT UNIVERSITY KAISERSLAUTERN (2007) WORST CASE SCENARIO FIRST LAYER OF PARTICLES  EXTREMLY INFLUENCE THE  TOTAL PRESSURE DROP WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 35  “SLOT“ PORE SHAPE   ONLY SMALL PARTICLES CAN PASS THROUGH     HIGH PERMEABILITY     NO / LESS CLOGGING  WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 36  NEXT GKD‘S PROPOSAL FOR OPTIMIZATION:  NOT TO VERTICALLY BACK-FLUSH THE ODW, BUT DIAGONAL.  diagonal vertical 16%  MORE EFFECTIVE WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY SLIDE 37   CONCLUSION   CFD SIMULATION IS A POWERFUL TOOL TO UNDERSTAND WHAT HAPPENS INSIDE!   SOME WOVEN WIRE MESHES ARE ENGINEERED PRODUCTS!   WBTR, JUNE 8-14, 2014 , OTRANTO, ITALY 

CFD optimized woven filter media for wastewater application

https://dc.engconfintl.org/cgi/viewcontent.cgi?article=1021&amp;context=wbtr_i

CFD optimized woven filter media for wastewater application

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