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7/23/2019 Inventory of Personal Pollutants
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7/23/2019 Inventory of Personal Pollutants
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Assignment 2: Conduct Inventory of Personal Pollutant| Bernard Maloney
Table of ContentsPart 1: Inventory of wastewater pollutants generated by the entire household over a period of oneweek !Part 2: "easibility analysis of re#y#ling grey$water in the household1%&eferen#es 1'Appendi( 1)
List of Tables*able 1: +al#ulated flow rates for household hydrauli# fi(tures)
*able 2: *ypi#al water #onsumption for domesti# use ,-./0 &egulator 2%1!)*able ': &esults of water audit from the 12$1 April 2%1) 3*able !: +omparison between the estimated average daily per #apita #onsumption and the theoreti#alvalues from ,-illis et al 2%1',/4p4d 3*able ): +onsumption of household #hemi#als from 12$1 April 5*able 3: +omparison between the estimated pollutants and the typi#al pollutants in householdwastewater as per ,.riksson et al 2%%' *able 5: *ypi#al #on#entration of pollutant for ea#h type of greywater ,Mushta6ue7 Abdullah 8 Ahmed2%12
*able : Inventory of household water use from 12 $ 1 April 2%1) 1)*able 9: Inventory of household #hemi#al use from 12 $ 1 April 2%1)13*able 1%: *reatment re6uirements for residential non$potable wastewater reuse15
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Assignment 2: Conduct Inventory of Personal Pollutant| Bernard Maloney
Part 1: Inventory of wastewater pollutants generated by the entire
household over a period of one week'articulars of household
Location: 6 Alexandrina Walk, Mawson Lakes, SA, 5095.
!"ber of #cc!$ants: %
!"ber of &edroo"s: %
Li'in() *inin( Area: +
itc-en: +
&at-roo": +
La!ndr: +
+escription of household hydraulic ,tures.
T-e -o!se-old is s!$$lied wit- $otable "!nici$al water and reccled
wastewater w-ic- is !sed for toilet /!s-in( and $ossible (ardenin( or car
was-in(. Water cons!"$tion is li"ited to (eneral -o!se-old !se as
(ardenin( and car was-in( is not bein( done on t-e $re"ises. T-e
-dra!lic xt!res c!rrentl in !se are one kitc-en ta$ one fa!cet one
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Assignment 2: Conduct Inventory of Personal Pollutant| Bernard Maloney
Table 1: Calculated flow rates for household hydraulic fixtures
T-ese /owrates were co"$ared to t-ose obtained fro" t-e W8LS
e(!lator %0+;
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Assignment 2: Conduct Inventory of Personal Pollutant| Bernard Maloney
t-e densit of t-e $rod!cts is e2!i'alent to t-at of water +kilo(ra")litre
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Assignment 2: Conduct Inventory of Personal Pollutant| Bernard Maloney
si"ilar to t-ose fo!nd in Willis et al. %0+3
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Assignment 2: Conduct Inventory of Personal Pollutant| Bernard Maloney
Table ): Comparison between the estimated pollutants and the typical pollutants in householdwastewater as per *
Table +: Typical concentration of pollutant for each type of $reywater
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Assignment 2: Conduct Inventory of Personal Pollutant| Bernard Maloney
Microbiological /uality of greywater
Accordin( to Santos et al. %0+%
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Assignment 2: Conduct Inventory of Personal Pollutant| Bernard Maloney
Part 2: Feasibility analysis of recycling grey-water in thehousehold.
Introduction
M!nici$al wastewater co"$rise 99.9 water, ot-er constit!ents s!c- as
s!s$ended and dissol'ed or(anic and inor(anic solids t-erefore re$resents
a "ere 0.+ . As a res!lt, t-e collection, treat"ent and re!se ofwastewater $ro'ides a $racticable alternati'e to s!$$le"ent non$otable
!ses in t-e -o!se-old. T-is is es$eciall tr!e for (rewater w-ic-
accordin( to Santos et al. %0+%
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Assignment 2: Conduct Inventory of Personal Pollutant| Bernard Maloney
location . T-is is not dissi"ilar to t-e reco""endations "ade b Santos et
al. %0+%
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Assignment 2: Conduct Inventory of Personal Pollutant| Bernard Maloney
d!rin( t-e s!""er "ont-s or b $r!nin( t-e reeds to sti"!late new
(rowt- .
T-e treated eE!ent will t-en be $!"$ed to an ele'ated stora(e tank for
(ra'it distrib!tion to t-e toilet or was-in( "ac-ine. =n order to co"$l
wit- t-e 8n'iron"ent 7rotection A!t-orit So!t- A!stralia (!idelines for
wastewater re!se s!""aried in table +0 of t-e a$$endix, it is
reco""ended t-at sodi!" -$oc-lorite be ad"inistered to t-e tank.
8echnical feasibility
T-e !se of a reed bed is si"ilar to t-at of constr!cted wetlands and
$ro'ides t-e conditions necessar to $ro"ote biolo(ical $rocesses t-at
occ!r in nat!re !nder controlled conditions to ass!re $oll!tant re"o'al
e4cienc . =n accordance wit- *allas, Sc-eFe and Do %00;
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Assignment 2: Conduct Inventory of Personal Pollutant| Bernard Maloney
%0++
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Assignment 2: Conduct Inventory of Personal Pollutant| Bernard Maloney
of reccled water so!rce. T-is treat"ent c-ain ali(ns wit- t-at of t-e
$ro$osed reed bed and se$tic tank. T-is (!arantees t for $!r$ose !se of
t-e reccled eE!ent w-ereb risks are eli"inated b "!lti barrier
a$$roac-es. Kaneti, 8tc-e$are and !bio %0+%< conl!de t-at !sers were
(enerall not at risk wit- !sin( reccled water for car was-in( w-ere t-e
risk of bod contact is far (reater t-an wit- toilet /!s-in(.
Conclusion
T-e in'entor of wastewater $oll!tants and -o!se-old water !sa(e was
s!ccessf!ll exec!ted. T-e data obtained alon( wit- a literat!re re'iew
facilitated t-e e'al!ation of a treat"ent $rocesses and reed beds were
dee"ed t-e "ost cond!ci'e to t-e site conditions. T-is treat"ent $rocess
will ens!re an ade2!ate and e4cient treat"ent of t-e (rewater strea" of
t-e -o!se-old.
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Assignment 2: Conduct Inventory of Personal Pollutant| Bernard Maloney
References
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ppendi!Table 8: ,n#entory of household water use from 12 - 18 April 21!
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P a g e 13 | 19
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Table : ,n#entory of household chemical use from 12 - 18 April 21!
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P a g e 1 | 19
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Table 1: Treatment re.uirements for residential non-potable wastewater reuse
P a g e 19 | 19