Sewage sludge_session_Frank.pdf - HELCOM Meeting Portal

Phosphorus and its recycling from sludge, ash and water-

a technical overview

Dr. Daniel Frank | HELCOM workshop | Berlin

The modern P-Cycle

2www.deutsche-phosphor-plattform.de

Adapted from: http://www.nhm.ac.uk/research-curation/research/projects/phosphate-recovery/ceep11.htm

90 %

10 %

PhosphorusRecovery and

Recycling

225 Million tP Rock

(Global Mining 2013,USGS 2015)

Why?

3

And the role of wastewater/sewage sludge

Excl. manure since already recycled

Critical Raw Material Demand relies on fossil resources geopolitically sensitive

non-substitutable Bottleneck for fertiliser and food supplyPhosphorus

Wastewater /sewage sludge is a relevant and renewable resource in a circular economy

www.deutsche-phosphor-plattform.de

4 http://www.p-rex.eu

Routes for P Recovery and Recyclingin Europe

40 % 60 %


12a

2b

3


Hot Spots for P Recoveryfrom Municipal Wastewater

5-20 % of P load

≤ 25 % of P load

> 80% of P load

40-90% of P load(solubility,

contaminants)

100% P load

*forced P dissolution

* ≤ 50% of P load

*30-50% of P load Note:

Difference betweenprecipitation/crystallizationand actual separation/harvest

1

2a

2b

3

Ash after Incineration

Undrained sludge afteranaerobic digestion

Sludge Liquor after Dewatering

Direct Agricultural Utilisationof Dewatered Sludge


0

250000

500000

750000

1000000

1250000

1500000

1750000

2000000

AT BE BG CY CZ DE DK EE ES FI FR GR HU IE IT LT LU LV MT NL PL PT RO SE SI SK UK CH

other

landfill

application to land

incineration


Sewage Sludge Routesin Europe 2010 - and P?

• Only absolute quantities reveal relevance

• Importance of harmonized definition of categories (i.e. what is OTHER???)

(DESTATIS 2012)

Dry

mat

ter i

n m

etric

tons

European total quantity:~ 11 million tons sludge (dry matter)



Overview of P Recovery fromWasterwater Technologies in Europe

Demo / Pilot

Lab-scale

Full-scale

Thermal

Acidic digestion/leaching

THERMPHOSP4

RECOPHOS DEMCP

ECOPHOSH3PO4/DCP

With enforced P dissolution

AshDec (Outotec)P-mineral

MEPHRECP-slag

LEACHPHOSP-mineral

CleanMAPMAP/DAP

KUBOTAP-slag

Aqueous phase(dissolved P)

Wet sludgeand liquor

Fert. IndustryMineral fertilizer

Sludge and sludgeash

TetraPhosH3PO4

PYREGP-mineral


AirPrexStruvit

LYSOGEST

PEARLStruvit

NuReSysStruvit

PHOSPAQStruvit

NutriTecStruvit, DAS

PhosphoGreenStruvit

REPHOSStruvit

StuttgartStruvit

P-RoCStruvit, CSH

ANPHOSStruvit

GifhornStruvit/CaP

STRUVIAStruvit

WASSTRIP

NaskeoStruvit

PHORWaterStruvit

TDH (allgemein)

BudenheimEXTRAPHOS® DCP

RecoPhosH3PO4 /P4

Kabbe 2016

8

Overview and Status of P Recoveryfrom Wasterwater Facilities in Europe

https://de.batchgeo.com/map/0f9d56a3aa57a51379a3cb23af27d202

© Kabbe 2013, AirPrex®

© Kabbe 2015, AirPrex®

No replication without demonstration!


P RECOVERYFROM THE AQUEOUS

SLUDGE PHASERecovery of Dissolved

Ortho-Phosphate

Waste Water

DevelopmentOptimization

EfficiencyPhosphorus

Consulting

Sludge

SynergiesRessources

Recovery

Ash

© Kabbe, AirPrex unit in Amsterdam


AirPrex®Benificial Struvite Recovery

Source: P-REX factsheet 2015



Why Struvite?A feasability example.

The practicalexample of WWTP Neuwerk(Niersverband)

Sources: Niersverband and P.C.S.

savings due to better

dewaterabilityand lower

disposal cost 75%

Savings due to reduced

maintenance (scaling and

abrasion)15%

benefit due to struvite sales

10 %

Total savings: 474,000 €/a



LysoGest®Beneficial Struvite and Energy Recovery

LysoGest®-ProcessSeparate Sludge Treatment by using theCAMBI and AirPrex® combination



WASSTRIP®Beneficial Struvite Recovery


P RECOVERYFROM THE SOLIDSLUDGE PHASE

Waste Water

DevelopmentOptimization

EfficiencyPhosphorus

Consulting

Sludge

SynergiesRessources

Recovery

Ash


P Recovery from the Solid PhaseThe Big Fish

Contaminated Residues

Dewatered Sludge

Sludge Drying

AshAcidolation*

Mono-incineration

P-Precipitation

Thermochem. / metallurgical …

Mineral P-“Product“

HygenizedOrgano-Mineral

Fertiliser

Organo-mineral. CNP-“Product“

* incl. Conventional Fertiliser Production



Stuttgart Acidolation of Wet Sludge




Budenheim (Wet Sludge)

Source: P-REX 2015

only CO2 as solvent DCP commercial product



MEPHREC(Sludge/Ash)




AshDec(Ash)




REMONDIS TetraPhos®

Source: Remondis, 2015

Various low-grade Raw Materials Commercial Products Closing various Material Cycles


Deutsche Phosphor Plattform DPP e.V.Bornheimer Landwehr 46HH60385 Frankfurt

+49 (0) 171 2269 953

[email protected]

http://www.deutsche-phosphor-plattform.de

Deutsche Phosphor-Plattform DPP e.V. KompetenzZentrum Wasser Berlin

Kompetenzzentrum Wasser Berlin gGmbHCicerostraße 2410709 Berlin

+49 (0) 30 53653 812

[email protected]

http://www.kompetenz-wasser.de/

http://www.p-rex.euhttp://www.p-rex.euwww.deutsche-phosphor-plattform.de

Sewage sludge_session_Frank.pdf - HELCOM Meeting Portal

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