An innovative greywater treatment system for urban areas ... - SuSanA

LIST OF TABLES
Table 1: Overview of characteristic greywater ingredients, depending on its origin; (fbr,
2005) ..................................................................................................................... 6
Table 2: Microbiological load of greywater from typicall housholds; (fbr, 2005) ................ 7
Table 3: Directives and standards for inner-urban recycling of water; (Paris, 2009b; RL
2006/7/EG, 2006) .................................................................................................. 8
Table 4: Comparison of biological wastewater treatment processes based on distinctive
features; (Heinrich & Heinrich, 2008) ................................................................... 9
Table 5: Basic parameters of water balance calculation; (calculation by K. Löw) ........... 16
Table 6: Appraisal of utility analysis; (Schuh, 2001) ......................................................... 18
Table 7: Sample of a utility matrix; (by K. Löw) ................................................................ 19
Table 8: Assessment criteria for utility analysis of international transferability; (by K. Löw)
............................................................................................................................. 22
Table 9: General requirements for greywater treatment application via membrane
bioreactor; (by K. Löw) ....................................................................................... 26
Table 10: Matrix of utility analysis; (by K. Löw) .................................................................. 28
Table 11: Trimmed-down version of utility analysis; (by K. Löw) ....................................... 31
Table 12: Investment costs for treatment plants and house installations (net) for SBR and
MBR plants in comparison; (Herbst, 2008) ........................................................ 32
Table 13: International greywater treatment projects based membrane bioreactor
technology (MBR), sorted in alphabetic country order; (enquiry by K. Löw) ..... 34
Table 14: Greywater recycling projects based on AquaCycle technology by Pontos;
(Hansgrohe, 2010) .............................................................................................. 38
Table 15: Current process parameters of the SANIRESCH plant; (Heynemann, 2011) ... 40
Table 16: Overview of analysis of inflow, membrane bioreactor and permeate;
(Heynemann, 2011) ............................................................................................ 40
Table 17: Results of SANIRESCH permeate analysis vs. international requirements for
recycled greywater; (Winker & Heynemann, 2011; Schürmann, 2011)............. 41
Table 18: Treatment plant characteristics – Office building in Eschborn (HUBER SE,
2011a) vs. 4-star hotel in Berlin (Paris, 2009a). ................................................. 43
Table 19: Scenario I: Normal toilets - Greywater amount vs. process water demand;
(calculation by K. Löw) ........................................................................................ 46
Table 20: Scenario II: Poor flush toilets - Greywater amount vs. process water demand;
(calculation by K. Löw) ........................................................................................ 47
Table 21: Calculation total energy consumption; (according to Feicht M. , 2011b): .......... 48
Table 22: Economic cost calculation of GIZ’s greywater treatment system (gross);
(calculation K. Löw) ............................................................................................. 49
Table 23: Economic cost calculation (net) of fictitious 4-star hotel in Berlin; (Paris, 2009a)
............................................................................................................................. 51
Table 24: Excel-sheet for utility analysis; (by K. Löw) ........................................................ 54
Table 25: International countries facing water scarcity; (according IWMI, (2006) selected
by K. Löw) ........................................................................................................... 59
Table 26: Water quality index (WQI) based on the 32 countries selected for investigation;
(Yale University, 2010) ........................................................................................ 61
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