FAT RECOVERY FROM DAF SLUDGE AS BIOFUEL Resource Recovery Presented by Wilbert Menkveld

Transcription

1 FAT RECOVERY FROM DAF SLUDGE AS BIOFUEL Resource Recovery Presented by Wilbert Menkveld

2 ABOUT OUR VISION: OUR MISSION: We turn your cost center into a PROFIT center! OUR STRATEGY: Sustainable Water Use & Resource Recovery v 2

3 Nijhuis Industries Totalsoluti on p rovi de roffe ri ng own i nnovati ve i ndustri alsoluti ons Long h i story : > 2400 re fe re nce p lants, > 50 countri e sworldwi de Hi gh le ve lof p roce ssand ap p li cati on knowle dge of m any i ndustri es From p roductsto totalsoluti ons, i ncludi ng re -use and re cove ry Glob alp re se nce wi th Sale s& Se rvi ce Ce ntre sand Ce rti fi e d age nts/ p artne rs. Ni jh ui sindustri e s: 60 m i lli on Euro turnove r/ 240 e m p loy e e s Industri al(85%) and m uni ci p al(15%) Busi ne ssuni ts: > Ni jh ui sw ate rte ch nology, NL. > Ni jh ui sozone Soluti ons, NL. > Ni jh ui sh2ok, UK 3

4 Nijhuis Industries Waste Water I Primary, secondary and tertiary treatment Re m ovalof coarse soli ds, susp e nde d soli dsand di ssolve d m atte rs Waste to Valuable I Energy from organics I Recovery of valuable resources Transform organi csto e ne rgy Ex tract valuab le sub stance s, Fats/Oi ls, Starch, Am m oni a, Ph osp h or, Fe rti li ze r 4

5 WHY RECOVERING FAT? TRADITIONAL PROCESS - High chemicals costs - High disposal cost - Can contain high potential wasted! 5

6 WHY RECOVERING FAT? INTENDED PROCESS 6

7 TYPES OF WASTEWATER Solids Sludge content (%) Industri e swi th high fat content: Me at i ndustry : p oultry and re d m e at Food i ndustry e.g. candy, sauce s, i ce cre am and b acon p roce ss i ng Fat i ndustry, p alm oi l and e di b le oi li ndustry Water Fat Poultry Pork Industry Candy 7

8 EXPERIMENTAL WORKS AND RESULTS Location A Fre sh waste wate r Only slaugh te ri ng Location B One /m ore day sold wate r Includi ng furth e rp roce ss i ng 8

9 EXPERIMENTAL WORKS AND RESULTS Di s conne ctor W ate r fracti on W aste wate r Fat Experiment Fat Recovery (%) Fat Purity (% w/w/) Soli ds Solids Removal (%) Locati on A 86 96,3 79 Locati on B 94 97,1 66 9

10 EXPERIMENTAL WORKS AND RESULTS 100% Amount (%) 80% Mi s s i ng fracti on 60% TPD - W ate rfracti on TPD - Cake 40% TPD - Fat f racti on 20% 0% Fat GPS A Location Fat NoblesseB Location 10

11 RECOVERED FAT QUALITY Parameter Unit W ate rconte nt % 3.03* 1.31* 0.5* Fre e fatty aci ds % Insolub le i m p uri ti es % TotalSulfur m g/kg Unsap oni fi ab le % m atte r Location A Location B Limit Biodiesel *can b e ach i e ve d b y di ffe re nt se tti ngsof se p arator 11

12 BUSINESS CASE EXAMPLE LOCATION A Ty p e Slaugh te rcap aci ty W aste wate rflow Op e rati on Locati on : p oultry slaugh te rh ous e : 6250 b i rds/h : 1500 m 3/day : 16 h /day, 6 day s/we e k : th e Ne th e rlands 12

13 BUSINESS CASE EXAMPLE LOCATION A Parameter Unit Value/assumption Soli dsconte nt of DAF sludge % w/w 4,0 Fat conte nt of DAF sludge % w/w 7,0 Sludge di sp osal EUR/ton 15 Fat asco-sub strate anae rob i c di ge sti on EUR/ton 165 Fat asb i odi e se l EUR/ton 400 Fat ash e avy fue loi l EUR/kg 0,50 Ele ctri ci ty EUR/kW h 0,08 Inve stm e nt AECO-FAT EUR/y e ar

14 BUSINESS CASE EXAMPLE LOCATION A 14

15 FAT RECOVERY AT FULL-SCALE 15

16 FAT RECOVERY AT FULL SCALE 16

17 FAT RECOVERY AT FULL SCALE Cooked bacon production 600 m 3/d waste wate rwi th o m g/lcod o 500 m g/l fre e O&G 30 m3/d (fat) DAF sludge Recovery of 6 m3/day of > 99% pure fat Energy production: 3 m 3/d fe d to ste am b oi le r(2 ton/h ) Sup p li e swh ole factory th e rm ale ne rgy 3 3 m /d sold forb i odi e se lp roducti on at 300/ton gi ve s 900 p e rday CAPEX/OPEX: Re turn of i nve stm e nt < 1.5 y e ar(e x cludi ng re ducti on sludge di sp osaland ch e m i cals) 17

18 TAKE HOME MESSAGES 1 Good e x am p le of resource recovery i nnovati on towardsci rculare conom y Re duce ch e m i cals Re duce sludge Ge ne rate re ve nue (38-66% lowe ropex ) 2 Hi gh quali ty fat can b e use d forown thermal energy, sold forbiodiesel p roducti on and som e ti m e suse d forth e p roducti on of p e t food 3 De p e ndi ng on localsi tuati on, ge ne rally p ay b ack p e ri od of 1-2 years can b e ach i e ve d i n p oultry & m e at p roce ssi ng 18

19 Questions Turning your (waste)water into PROFIT 19

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