ashwanikumar b3c presentation

8/3/2019 AshwaniKumar B3C Presentation

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5

th

Annual

Growing

the

Margins/

3

rd

Annual

Canadianfarm&FoodBiogasConference

.

Feedmixture(Recipe)developmentformixedwastedigesters

Presente By:As wan umar,P.Eng.

Sr.ProcessEngineer

OVIVO IGWEFeb28,2011


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Ovivoataglance

Theonly

global

Pure

Water

Company,focusedonwater.

Atrue

global

business

dedicatedsolelytowater,

wastewaterandrenewable

1500employeesin5

continentsand

21

countries.

energyfromwaste.

1,500employees

on

5

Waterexpertisein17

industries.

continentsand21countries.

Mostextensivetechnology

Supportedthrough15

GlobalCentersof

Excellence.

por o o;

r ng ngexper se

together

2

,

Builders,Completesystem

providers


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200yearsinthemaking

3


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Biomethanation Expertise/Structure

Limited(GWE)

GLOBALWATERENGINEERINGorGWE isagroupofcompaniesspecializedin

industrialwastewatertreatment,waterrecycling,digestionofbiomass,sludges

andslurries,biogasproductionandreuse,andcarboncredits.

GWE designsandbuildstailormadesolutionsthatmeettheclientsneeds.

4


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Biomethanation Expertise/Structure

Createdbytwoleadingglobal

companiesinindustrialGLV

wastewatertreatment, LV an

GlobalWater

Engineering

Limited

(GWE)GWEOvivoGWE,anindustrial

wastewater

treatment,

water

use,

Technologyexpertise

AdvancedADprocess

Productintegration

providerfortheNorthAmerican

marketplace.

500+AD

re erences

IndustrialandmunicipalTechnology,

5

ProductsServices:OakvilleProductsServices:OakvilleON,MontrealON,MontrealQC,AustinQC,AustinTX,BelgiumTX,Belgium

Europe&

AsiaEurope

&

Asia


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GLVoffices

Agents,licenseesand

partnersworldwide

6


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OVIVOIGWEAdvantage

1. Completeprojectwrapup

2. PreTreatment

3. Pretreatmentenhanceddigestion(RAPTORTM)

4. Solidseparation

.

z

6. Digestate treatment.

7


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QubecProjects

Quebec1Location: Landfillsite

ProjectType: PPP(51%public,49%Private)

Substrate: SSO

Slaughterhousesludge

Commercial,Institutionalresidues

Biogas: Upgrading,compression,usedincity

truc san uses

Digestate: Mechanicaldewatering

Liquidandsolidfertilizer

Quebec2Location: Industrialpark

ProjectType: PPP(66%public,34%Private)

Capacity: 80to90000t/yr

Su strate: SSOAgrifoodresidues

Commercial,Institutionalresidues

Biogas: H2Sremoval,usedinethanolplant

Di estate: Mechanicaldewaterin

8

Liquidandsolidfertilizer

UF/ROtreatment


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ProjectsEngineered(Ontraio)

HarvestPowerMustangRaptorProject,LondonONLocation: LondonON

ProjectType: Private

Capacity: 60to75000t/yr

Substrate: CoFeed

DAF,Market

waste,

Kitchen

Waste

,aerobic

Biogas: CombustedinCHPtogenerateElectricity

Digestate: Mechanicaldewatering

Solidfertilizer

9


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HarvestPowerMustangRaptorProject,LondonON

(AnotherView)

10


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RAPRAPIDID

TTRANSFORMATIONRANSFORMATION

OORGANICRGANIC

RRE D EE D E


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RAPTORTM

TM TM

1. Efficientandrapidconversionof organic

residuestobiogas

1. Energycrops,Corn(silage),VariousGrasses,Algae

2. Agricultureresidues

3. Market sur lus kitchen waste restaurant waste

2. Diversepretreatment totreatcomplexorganic

matter

4. Off specfruit&vegetables,Excessharvest

(tomatoes,)

5. Agroindustryresidues:

6. Beetpulp,

Tapioca

pulp

. owres uepro uc on

4. Accurate,labtestedandcomputer aided

processdesign

. ege a e po a owas e

8. Fat, Oil&Grease,DAF,CDAF

9. Blood&otherwastesfromrenderingplants.

Industrialresidues Brewerywaste

5. Continuous,easyandpractical operation

6. Flexibleprocess,easilyadaptablefor new

Fruitprocessing

wastes

Papermillsludge

su strates

12


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Pretreatments

to

increase

speed

and

yield

of

anaerobic

digestion

process

Enzymatic forcellulosic/hemicellulosicsubstances

Chemical mild

caustic

treatment

for

polysaccharides/proteins

erma s urry ea ng oran ma pro uc s,pro e ns a s

Mechanical particlesizereduction;finemashing

Biological ThermophilicAcidificationReactor(TAR)

13


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ORGANICRESIDUES

TAPIOCAINDUSTRY

BANANAPINEAPPLE

POTATO

MUNICIPALSOLID

WASTE

ENERGYCROPSCORN

GRASSES

ORGANICFRACTIONOFMSW

RESTAURANTWASTES

SUPERMARKETWASTES

GREASE

STARCH

SLURRIESMUNICIPALSLUDGE

MANURESPIG,DAIRYCOW

POULTRY

INDUSTRIAL

WASTESFOODINDUSTRY

SLAUGHTERHOUSE

FOG,DAF FLOAT

14


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Samples


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Economicalevaluationofthemix(feedsubstrates)

AdditionalRevenue

i. Risk

i. Technical

,

Legal

&

Safety

challengesii. Cofeedormainfeed

iii. Quantity&Quality Seasonal,RegularORSpotopportunity

iv. Processingii. Gain

i. TipFee onreception&processing

. ona

energy

can

you

expor

aiii. Additionalfertilizer Impactionfertilizerquality?

.

distance,

low

energy

and

more

impurities


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Economicalevaluationofthemix(feedsubstrates)

Additionalrequirements

1. Technical

equipment,

2. Contaminantremoval

3. Homogenization,mixing,hygienization andstorage

Impacton

. u r en

a ance2. Digestate quality

.

4. Process

economics


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SubstrateClassification

1. Protein C4H6ON ric waste

2. Fat[C15H31COOH]

rich

waste

3. Carbohydrate[C6H12O6]richwaste

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SubstrateClassification

Typeof

Substrate VS

Reduction

BiogasProduction

(lper

kg

VS) CH4

in

the

gas

Protein 75% 700 71%

Fat 90% 1250 68%

Carbohydrate 50% 747 50%

Biogasyieldsfromplantconstituents(Braun2007)andslurries(Baserga 1998).FromJewell&McCartyworkin1960sand1970s

19


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Study FeedMixture(Recipe)developmentforCoDigestionDigesters

S onsored b

Doneat

Studyplandevelopmentandtrialsupervision

AshwaniKumar P.En .


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Substrate &Recipetesting

. na y ca ys ca em ca c arac er za on

2. BioMethanePotential(250mlreagentbottles)

3. BenchScaletesting(8Lto20L)

4. PilotTesting(300L)


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PilotUnit Theconcept


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Capacity 200LitWorking+100LitGasHolderVolume

GasSpace

LiquidSpace


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FeedingFunnel

Pressure

Measurement

GasFlowmeter


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BasisofRecipeDesign:

1. Watersolubilityoftheorganics

2.Specific

Nutrient

ratios

such

as

Optimized

C:N

ratio

and

C:N:P:S

ratio

3.Consistentfeedavailability throughout theyear.

4.Avoidthetoxicityinfeedmixture onaccountofPhytochemicals, Azo dyes,

Surfactants,Aliphaticcompounds, Aromaticcompounds, Salts(eg.Na+,K+,Ca2+),

Heav metals Ammonia Inor anicScom ounds Proteins&Aminoacids

Formaldehyde,Cyanide(CN)etc.

5.Optimized biogasyieldbyselectingtherightmixoffat,proteinsandlipids.


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Technicaloptimizationofthemix(feedsubstrates)

1. Differentmixtureformulation (recipe) isdonewithpreliminarydesktopreview

based onsubstrateavailabilityintheregion andpracticalfieldfeedback.

2. Theproposed

recipe

is

validated

and

tweaked

based

on

the

recommendation

o f t he tec hno lo rov ider ex er ts.

3. Allindividualsubstratesaretestedfo rphysicalandchemical properties and

arethen

digested

to

get

the

bio

methane

potential

(BMP)

to

get

CH4

yield

/Kg

ofVSfeed.

4. Recipeisdigestedina20litre benchscaledigestertooptimizethedigestion

processan un e rs an spec crequ remen sre a e o epar c u arrec pe.

5. Theprocessistransferredtothe200Litre pilotunittovalidatethedesign

assumptions.


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Organic Loading Rate (OLR)(as Kg VS/M3 of Digester/day)

4.00

.

3.00

3.50

2.50

1.50

2.00

0.50

1.00

0.0028May 2Jun 7Jun 12Jun 17Jun 22Jun 27Jun 2Jul 7Jul 12Jul 17Jul 22Jul 27Jul 1Aug 6Aug 11Aug


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Biogas Production [Liter/day]

900

700

800

500

600

300

400

100

200

0

28

May09

30

May09

1Jun09

3Jun09

5Jun09

7Jun09

9Jun09

11

Jun09

13

Jun09

15

Jun09

17

Jun09

19

Jun09

21

Jun09

23

Jun09

25

Jun09

27

Jun09

29

Jun09

1

J

ul09

3

J

ul09

5

J

ul09

7

J

ul09

9

J

ul09

11

J

ul09

13

J

ul09

15

J

ul09

17

J

ul09

19

J

ul09

21

J

ul09

23

J

ul09

25

J

ul09

27

J

ul09

29

J

ul09

31

J

ul09

2Aug09

4Aug09

6Aug09

8Aug09

10

Aug09

12

Aug09


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Proteinrichwaste

.

.

,

,

YoudontwanttobringthemtoyourAD)orsoluble.

b. UnlikeCarbohydratehydrolysisthatfavours slightacidpH,Proteinhydrolysis

requireaneutralorweeklyalkalinepH(McInerney 1988)

c. UnlikeCarbohydrateFermentationthatlowerthepHduetoformationofVFA,

fermentationofaminoacidsdonotleadtosignigicat changeinpHduetoacid

andammoniaformation.

d. Butmostimportant forprocess&operationis watchoutforSulphur

29&Nitrogen


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MixerFailure


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SolidSeparationTrials

31


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SolidSeparationTrials Th.designvs.Actual

Sl.# ParameterPerformance

Comments

SuspendedsolidsThiswas repeatedon72literpilot

separationefficiency

test

2 Suspended

solids

in

170mg/l

3Polymer

ConsumptionNorm

350g/m3

(13.4Kg/T S)

4FerricSulphate

Norm1574g/m3

This isnotrequiredtomeetthe

requirements,butithelpedin


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Digestate analysis

# Parameter(PhaseI)

MaytoNov2009

(PhaseII)

Nov2009

to

May

2010

(PhaseIII)

StabilizedDigestate

1BOD,mg/l 516 1490

2 Totalsolids,mg/l 170 6550 42047

3, ,

mg/l6.22 86.7

4 TKN,mg/l 2190 1830 5100

5 AmmoniaN,mg/l 1390 1050 3510


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40005.0

Ammonia Vs TIme

3500

4.0

4.5

2500

3000

3.0

3.5

/kg)

gVS/cum

)

2000

2.0

2.5

A

mmonia(mg

anicLoading

(

1000

1.0

1.5

Or

0

500

0.0

0.5

5/28/2009 6/28/2009 7/28/2009 8/28/2009 9/28/2009 10/28/2009 11/28/2009 12/28/2009 1/28/2010

TIme

Organic Loading Rate Self Calulating Kg VS/M3 Ammonia mg/kg


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Waste Nodefinitiveboundary

Sample Ash Carbohydrates Protein FatTotal

NitrogenAmmonia

Blood 1.27% 7.98% 3.45% 2.00% 0.48% 765

35

Manure 0.76% 0.20% 17.49% 0.20% 0.44% 1980

Thereis

no

Black

or

White

Substrate


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Conclusion

Recipe (Physio Chemicalchecks)

a. Checkforavailability&handling

b. Takearepresentative

sample

and

do

(or

ask

for)

some

tests

c. C ec orNutrientBa ance

a. COD:N:P of350to100:7:1

b. RightC:Nofthemix(around20:1)

+. , , , , ,

e. Checkforchemicalprecipitation(Calcium,Struvite) risks .

36

f. Checkforheavymetals youdonotwantyourbiosolidstobeuntouchable


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Conclusion

Recipe (Physio Chemicalchecks)

g. Checkforprocessstability

Temperature.

pH

Noofstagesetc.

h. Dosomelab/pilotscaletrialsbeforeexperimentingonthefullscaleplantto

.

i. If timeiscriticalthenminimumperformATA(anaerobictoxicityassay)test.

37

j. Ensuretrailsaredonelongenoughtoachievestabilizedoperationtoget

realisticresults.


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ThankYou

38

ashwanikumar b3c presentation

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