INNOVATIVE WASTEWATER TREATMENT STRATEGIES USING DECENTRALIZED - PowerPoint PPT Presentation

Presented by: DOMINIC MERCIER, P.Eng. M.A.Sc. Innovative Eco-Efficient Solutions for Onsite Wastewater Treatment INNOVATIVE WASTEWATER TREATMENT STRATEGIES USING DECENTRALIZED TECHNOLOGIES 3 rd Annual AFN National Water Symposium and Tradeshow, Toronto

Innovative Eco-Efficient Solutions for Onsite Wastewater Treatment 1. WHO IS ENVIRO -ST EP T EC HNO LO G IES 2. PART NER O F FIRST NAT IO N C O MMUNIT IES 3. C O NVENT IO NAL APPRO AC HES T O WAST EWAT ER MANAG EMENT 4. INNO VAT IVE ST RAT EG IES 5. DEC ENT RALIZED T EC HNO LO G IES T AILO RED FO R FIRST NAT IO NS WAST EWAT ER C HALLENG ES 6. A FEW EXAMPLES

Enviro- ST EP T e c hnolog ie s Innovative Eco-Efficient Solutions for Onsite Wastewater Treatment ü 23 years o f expertise in the design, develo pment, fabric atio n and distributio n o f Dec entralized Wastewater T reatment T ec hno lo gies ü Offic es in Québec , Manito ba and No va Sc o tia and o ver 19 distributo rs in Canada ü Offers mo re than 13 different tec hno lo gies (residential, c o mmerc ial and c o mmunal) ü I nvests massively in Researc h and Develo pment exc lusively in tec hno lo gies dedic ated to the small flo ws applic atio ns

E nvir o-ST E P T e c hnologie s Innovative Eco-Efficient Solutions for Onsite Wastewater Treatment E nvir o-ST E P T e c hnologie s Mission: • Offe r a po rtfo lio o f te c hno lo gie s addre ssing the te c hnic al and financ ial ne e ds o f small flo ws Waste wate r Applic atio ns while me e ting the mo st stringe nt e nviro nme ntal re gulatio ns. Obse r vations: ü T e c hno lo gie s use d in small c o mmunitie s are do wnsc ale d fro m large applic atio ns whic h to o o fte n c o me with a le ve l o f c o mple xity no t c o mpatible with small c o mmunity re so urc e s. Small c o mmunity syste m must be as simple and ro bust as po ssible . ü What is go o d fo r large r c o mmunitie s is no t ne c e ssarily applic able to small c o mmunitie s. Small c o mmunitie s re quire inno vative appro ac he s; ü F irst Natio ns c o mmunitie s have be e n o fte n use d as te sting gro und fo r ne w te c hno lo gie s no t e no ugh pro ve n e nding up having majo r o pe ratio nal pro ble ms o r failure s. F irst Natio ns de se rve s pro ve n and ro bust te c hno lo gie s; ü F irst Natio ns c o mmunitie s o fte n have to re ly o n o utside re so urc e s to imple me nt c o nstruc tio n, o pe ratio n and mainte nanc e . E ve ry pro je c t sho uld be de ve lo pe d to o ptimize the use o f lo c al re so urc e s. F irst Natio ns c o mmunitie s must maste r the ir waste wate r infrastruc ture ;

Partne r of F irst Nations Communitie s Innovative Eco-Efficient Solutions for Onsite Wastewater Treatment T he E xa mple of Kitig a n Zibi: ü Se ve ral I ndividual Onsite Se ptic Syste m ne e de d to be re plac e d; ü So ils c o nditio ns we re o fte n no t c o mpatible with c o nve ntio nal se ptic tank and le ac h be ds. T his re sults in the ne e d fo r advanc e d tre atme nt allo wing surfac e disc harge in ditc he d and stre ams; ü T he so lutio ns o n the table we re me c hanize d bio lo gic al re ac to rs o r me dia bio filte rs bo th c o mbine d with ultravio le t disinfe c tio n. Co st and c o mple xity we re ve ry high and the risk o f having o pe ratio nal pro ble ms was also ve ry high; ü E nviro -ST E P has that type o f te c hno lo gie s in its po rtfo lio , but we o ffe re d the c o mmunity a pro ve n and fully passive advanc e d tre atme nt syste m pro duc ing high quality e fflue nt and re quiring no e le c tric ity and no mainte nanc e ; ü We de ve lo pe d a pa r ship with the c ommunity whe re the y tne r purc hase d the te c hno lo gy dire c tly fro m us at privile ge d pric e in e xc hange fo r allo wing us to pro mo te the pro je c t in o the r F irst Natio n Co mmunitie s.

Conventional Appr oaches to Wastewater Management Innovative Eco-Efficient Solutions for Onsite Wastewater Treatment Communal Wastewater Management usually consists in: • Munic ipal Se we r Ne two rk • Ce ntralize d Waste wate r T re atme nt Plant (WWT P) • Ope ratio n and Mainte nanc e pe rfo rme d by Qualifie d Ope rato rs

Conventional Appr oaches to Wastewater Management Innovative Eco-Efficient Solutions for Onsite Wastewater Treatment Advantages of Disadvantages of Centr alized systems: Centr alized systems: ü E xpe nsive fo r smalle r c o mmunitie s. Many ü E asie r to manage a single WWT P; c o mmunitie s c anno t affo rd o r sustain a ü E xpe rtise e asy to find within large c e ntralize d WWT P; E ngine e ring firms o r spe c ialize d ü Do no t maximize the use o f lo c al c o mpanie s; re so urc e s. Co mmunity le ss invo lve d in ü L o nge r trac k re c o rd with tho usands the c o nstruc tio n and o pe ratio n. o f installatio ns (pe rc e ptio n o f Co mmunitie s o fte n subc o ntrac t to re liability and c o nfide nc e ); o utside firms; ü Be ing usually o ve rde signe d, it o ffe rs ü L e ve l o f c o mple xity is highe r mo re fle xibility fo r future e xpansio ns; (me c hanic al c o mpo ne nts, substantial plumbing, PL Cs, e tc .). T his has le d to highe r risks o f failure o r bad pe rfo rmanc e s; ü Highe r e ne rgy c o nsumptio n, highe r e missio n o f GHG;

Innovative str ategies using Dec entr alized or Hybr id Appr oac hes Innovative Eco-Efficient Solutions for Onsite Wastewater Treatment What is Dec entr alized Wastewater Management ? § Managing Wastewater c loser to wher e it is pr oduc ed to minimize c ollec tion and infr astr uc tur e c osts; E xamples ar e: ü Individual Septic Systems ü Cluster Systems ü A c ombination of individual and c luster systems ü Alter native sewer c ollec tion systems ü Septic sludge c ollec tion § An Hybr id appr oac h is one whic h inc or por ates both c entr alized and dec entr alized str ategies to offer c omplete and optimal wastewater management to a c ommunity

Innovative strate gie s using De c e ntralize d or Hybrid Approac he s Innovative Eco-Efficient Solutions for Onsite Wastewater Treatment Onsite / De c e ntr a lize d Wa ste wa te r T e c hnolog ie s mostly c onsists in: • U se o f simple and natural pro c e sse s suc h has: ü So il base d te c hno lo gie s ü Granular filte rs ü Artific ial We tlands • Small and le ss me c hanize d Pac kage d T re atme nt Syste ms: ü F ixe d F ilm Bio re ac to rs ü Organic and Synthe tic Bio filte rs ü Co mbine d T re atme nt and dispe rsal Syste ms DE CE NT RAL IZE D T E CHNOL OGY DE VE L OPME NT IS BASE D ON T HE ADAPT AT ION OF SIMPL E AND PROVE N PROCE SSE S USE D IN SMAL L SCAL E APPL ICAT IONS

Innovative str ategies using Decentr alized or Hybr id Appr oaches Innovative Eco-Efficient Solutions for Onsite Wastewater Treatment Advantages of Disadvantages of Decentr alized systems: Decentr alized systems: ü Use s mo re simple and natural ü Mo re than o ne WWT P to manag e ; pro c e sse s; ü I nfrastruc ture s are c lo se r to the ü T e c hno lo g ie s are e asie r to install, c o mmunity; o pe rate and maintain; ü L e ss c o mmo n appro ac h and ü Co mpatible with string e nt sho rte r trac k re c o rds c an g ive disc harg e c rite ria; pe rc e ptio n o f lo we r re liability; ü Pro je c ts are sig nific antly faste r to ü F e we r E ng ine e ring firms with imple me nt; e xpe rtise in de c e ntralize d te c hno lo g ie s and strate g ie s. ü Ove rall c o sts are sig nific antly lo we r than c e ntralize d syste ms; ü Maximize c o mmunity re so urc e s invo lve me nt at all le ve ls (c o nstruc tio n, o pe ratio n and mainte nanc e );

T ec hnologies tailor ed for F ir st Nations Communities Innovative Eco-Efficient Solutions for Onsite Wastewater Treatment F ir st Nations ar e fac ing gr eat c hallenges in Wastewater Management. Why Dec entr alized T ec hnologies c an help F ir st Nation Communities ? § 50% of F ir st Nations c ommunities have less than 400 people; § 2 c entr alized WWT P out of 3 is c onsider ed to be of medium to high r isk, mostly r elated to their c omplexity and c ommunities c apac ity to oper ate them; Sour c e: Neegan Bur nside, National Assessment of F ir st Nations Water and Wastewater Systems, 2011

T e c hnolog ie s ta ilore d for F irst Na tions Communitie s Innovative Eco-Efficient Solutions for Onsite Wastewater Treatment Wha t you c a n e xpe c t of De c e ntra lize d te c hnolog ie s ü Appropria tion a nd se lf ma na g e me nt of your Wa ste wa te r infra struc ture s with the use of simple a nd a fforda ble te c hnolog ie s tha t your c ommunity c ontrol; ü Re duc e the e ne rg y c osts a nd sludg e ma na g e me nt c osts c ompa re d to c e ntra lize d syste ms or pump a nd ha ul syste ms; ü Ma ximize the use of loc a l re sourc e s in your c ommunity for the insta lla tion, ope ra tion a nd ma inte na nc e of your wa ste wa te r infra struc ture s ü Prote c t the E nvironme nt with syste ms offe ring supe rior pe rforma nc e s, more simple sludg e ma na g e me nt, prote c ting your wa te r re sourc e s a nd produc ing le ss g re e nhouse g a s. ü Do more with your mone y by re duc ing the c ost of your wa ste wa te r infra struc ture s or by se rvic ing more pe ople with de c e ntra lize d syste ms DE CE NT RAL IZE D WAST E WAT E R MANAGE ME NT CAN ACHIE VE T HE SE OBJE CT IVE S F OR F IRST NAT IONS COMMUNIT IE S