Experiences with domestic waste treatment and co-processing of Solid Recovered Fuels (SRF)

Transcription

1 Experiences with domestic waste treatment and co-processing of Solid Recovered Fuels (SRF) Legal framework, quality assurance and acceptance Athens, June 4th, 2008 Dr. Hubert Baier Member of the Management/ CCO 1

2 Content Introduction Concept of Co-Incineration Legal Frameworks Implementation Quality Assurance Important minor matters 2

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5 Content Introduction Concept of Co-Incineration Legal Frameworks Implementation Quality Assurance Important minor matters 5

6 Sites of German mechanical-biological treating plants (MBT) MBT: public/ PPP MBT: private Σ: 50 MBT Input: 5,7 mio.t solid waste 200 km 6

7 Sites of German Cement works Σ: 61 cement works Cap.: 24,9 mio.t clinker therm. demand: 82,2 mio GJ 200 km 7

8 Fuel type and consumption of the German cement industry other fossil fuels petcoke 10 6 GJ/a lignite secondary fuels hard coal 8

9 Substitution rate of thermal demand (VDZ 2007) 9

10 Development of the energy input for selected waste fuels (VDZ 2004) SRF from of industrial and domestic waste mio GJ/a Meat and bone meal, animal fat Waste tyres Waste oil total: ca. 2 mio. t/a 10

11 Alternative fuels (examples) Solid Liquid Gaseous alternative fuels alternative fuels alternative fuels e.g. e.g. e.g. Paper waste Tar Landfill gas Textile waste Acid sludge Pyrolysis gas Carpet waste Waste oil Plastic waste Petrochemical waste Rubber waste Varnish residues Waste tyres Chemical waste Fuller earth Waste solvents Waste wood Distillation residues Fractions of domestic waste Wax suspensions Sewage sludge Asphalt sludge Meat and bone meal Oil sludge 12

12 Life Cycle of cement and concrete Emissions Cement plants Concrete plants Building Raw materials Fuels Clinker burning process Clinker Cement grinding Production of concrete Aggregates Use Leaching Deposition / Recycling Leaching Sulphate carriers other main components Additions Admixtures 13

13 Content Introduction Concept of Co-Incineration Legal Frameworks Implementation Quality Assurance Important minor matters 14

14 German Legal Framework # 1993 Ban of dumping with the Statutory Regulation for Sanitary Landfilling upto 2005 # 1999 Registration of the Federal Association for Quality Assurance of Secondary Fuels and Recycling Wood # 2003 Implementation of EU Directive 76/2000/EC for Incineration and Co-Incineration of Waste # launched by implementation of legal and sublegal guidelines on federal and state level 15

15 Climate Protection with limiting CO 2 -emisson 16

16 Content Introduction Concept of Co-Incineration Legal Frameworks Implementation Quality Assurance Important minor matters 17

17 Composition of municipal waste input (System investigation) miscellaneous 32% glas 2% metal 5% textiles 6% paper/ cardboard 9% plastic/ synthetics 13% wood (incl. furnitures) 18% organic 15% 18

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19 Mass flow of a MBT appr. 16 % remains for sanitary landfilling 20

20 Types of Solid Recovered Fuel, tailormade for co-incineration 21

21 Content Introduction Concept of Co-Incineration Legal Frameworks Implementation Quality Assurance Important minor matters 22

22 Automatic sampling system for SRF 23

23 Correlations of trace elements manganese ppm DM R 2 = 0,2026 copper ppm DM R 2 = -0, ash content w.-% 0 0,0 1,0 2,0 3,0 chlorine w.-% 24

24 Copper content of SRF after treating (Serie of measurements ) 25

25 >1000 Copper content of SRF after treating (Serie of measurements ) neovis GmbH & Co. KG, Mecklenbecker mg/kg (TR) Str. 229, D Münster Median BA 1 Median BA 2 Median BA 3 Messwerte BA 1 Messwerte BA 2 Messwerte BA 3 26 Anzahl

26 Parameter Methode Dimension Calorific value DIN EN kj/kg OS Ash DIN % TS Chlorine (Cl) DIN EN DIN EN ISO % OS Sulphur (S) DIN EN DIN EN ISO % OS Cadmium (Cd) DIN EN ISO mg/kg TS Thallium (Tl) DIN EN E6 mg/kg TS Mercury (Hg) DIN EN 1483 mg/kg TS Antimony (Sb) DIN EN ISO mg/kg TS Arsenic (As) DIN EN mg/kg TS Lead (Pb) DIN EN ISO mg/kg TS Chromium (Cr) DIN EN ISO mg/kg TS Cobalt (Co) DIN EN ISO mg/kg TS Copper (Cu) DIN EN ISO mg/kg TS Manganese (Mn) DIN EN ISO mg/kg TS Nickelum (Ni) DIN EN ISO mg/kg TS Vanadium (V) DIN EN ISO mg/kg TS Tin (Sn) DIN EN ISO mg/kg TS Beryllium (Be) DIN EN ISO mg/kg TS Selenic (Se) DIN EN ISO mg/kg TS PET-Bottle ,3 0 < 0,1 0,20 < 0,4 < 0, < 1,0 < 1,0 3, ,2 1 < 1,0 < 3 < 0,20 < 1,0 27

27 Content of trace elements (median values) Output values vs. approved input values for co-incineration 28

28 Trace element inventory standardized to heat value lignite (blue) and SRF (red) in mg/kj 100,0000 Cd Tl Hg Sb As Pb Cr Co Cu Mn Ni V Zn Be Se Te 10,0000 1,0000 [mg/kj] 0,1000 0,0100 0,0010 0,0001 0,

29 Content Introduction Concept of Co-Incineration Legal Frameworks Implementation Quality Assurance Important minor matters 30

30 Chlorine content of SRF after treating (Serie of measurements ) 3,0 2,5 2,0 [wt.-% DS] 1,5 1,0 0,5 0,0 period Chlor Median 31

31 Parameter Methode Dimension Calorific value DIN EN kj/kg OS Ash DIN % DS Chlorine (Cl) DIN EN DIN EN ISO % OS Fluorine (F) DIN EN DIN EN ISO % OS Sulphur (S) DIN EN DIN EN ISO % OS Cadmium (Cd) DIN EN ISO mg/kg DS Thallium (Tl) DIN EN E26 mg/kg DS Mercury (Hg) DIN EN 1483 mg/kg DS Antimony (Sb) DIN EN ISO mg/kg DS Arsenic (As) DIN EN mg/kg DS Lead (Pb) DIN EN ISO mg/kg DS Chromium (Cr) DIN EN ISO mg/kg DS Cobalt (Co) DIN EN ISO mg/kg DS Copper (Cu) DIN EN ISO mg/kg DS Manganese (Mn) DIN EN ISO mg/kg DS Nickel (Ni) DIN EN ISO mg/kg DS Vanadium (V) DIN EN ISO mg/kg DS Tin (Sn) DIN EN ISO mg/kg DS Beryllium (Be) DIN EN ISO mg/kg DS Selenic (Se) DIN EN ISO mg/kg DS Tellurium (Te) DIN E6 mg/kg DS Toy 02/008/ ,8 32 < 0,04 < 0,1 0,44 < 0,4 < 0,20 50 < 1, < 1,0 3,5 1,0 < 1,0 < 1,0 < 3 < 0,20 < 1,0 < 0,4 32

32 Input control with a portable Scanner 33 Stand 01/04

33 SRF input vs. chlorine content (chlorine concentration in the kiln = constant) 34

34 Feeding places in a preheater rotary kiln to raw mill and EP C fine ground lime (raw meal) preheater fuel rotary kiln 2000 C fuel fuel clinker cooler cement clinker 35

35 Kiln burner-systems Rockteq (ready for use) Pillard (ready for use) 36 Stand 01/04

36 Flame spreading in a rotary kiln. 37

37 Rate of descent in air of SRF (Baier 2004) 30,0 25,0 20,0 0,45 0,4 0,35 0,3 mass distr.% "ECO30" (shreddered) mass distr.% "ECO30" follow-up treated (heavy fraction de-loaded, 10mm pelletized) mass w.-% 15,0 0,25 0,2 density t/m 3 density t/m3 "ECO30" follow-up treated (heavy fraction de-loaded, 10mm pelletized) 10,0 0,15 0,1 density t/m3 "ECO30" (geshreddered) 5,0 0,05 everage density: 0,145 t/m 3 0,0 0 everage density: 0,085 t/m 3 < 1,5 1, veloctiy of descent m/s 38 Stand 01/04

38 Total results of Investigation Solid recovered fuels (SRF) composition is comparable with coal or lignite SRF-treating could be realized technological and ecological SRF-utilisation in cement kilns has no influence on emissions and product regarding toxicological values no impact is observed 39 Stand 09/03

39 Total results of the investigation avoidance of additional CO 2 and CH 4 emissions contribution for the reduction of the greenhouse effect less consumption of dumping places indulgence of resources positive effect on national investment and operating cost (sustainability) 40

40 Summary 41

41 Summary MBT & Co-Incineration are parts of a complex system, which only works, if -acceptance is born on all parties involved -incinerators and co-incinerators are permitted due to the same level -wild dumping is banned and -law enforcement is carried out strictly! 42

42 Σας ευχαριστούμε! 43