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NOx

deNOx

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FedericaBosio
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0% found this document useful (0 votes)
176 views20 pages

NOx

deNOx

Uploaded by

FedericaBosio
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Yara

Environmental Solutions

DeNOx TECHNOLOGY

Werner Rungger
Yara Italia SpA
Yara delivers sustainable solutions for
agriculture and the environment

Agricultural Industrial Environmental


products products solutions
Safety is always our top priority

 Ambition of zero injuries to people and no major process related incidents


 Product stewardship program
 Production according to high technical standards
 Reliable transport and shipping concepts
 Best practice sharing on storage and handling with partners and
customers
Key numbers

Number of employees 23,7 million tons


Revenues and other 9.760 Crop nutrients
income (2013)
Located in more than 4,9 million tons
USD 14.3 50 countries Industrial products

billion Sales to more than 1,8 million tons


Environmental
150 countries solutions
YARA ENVIRONMENTAL TECHNOLOGIES

Aquisition of:

 Petro Miljoe AB (SNCR supplier with 25 years of


experience, over 300 installations)

 H+H Umwelt und Industrietechnik (SCR supplier for


landbased and marine engines, more than 15 years
experience, over 1200 installations)

 Strabag Energy Technologies SET (SCR supplier for


the energy sector, over 20 years experience)
Yara’s DeNOx product portfolio

DeNOx Reducing Agents DeNOx Technologies DeNOx Services


 NOxCare products:  SNCR and HYBRID Technology related Services
– Anhydrous ammonia – Boilers / Cogeneration – Testing & Optimization
– Aqueous ammonia – Industrial applications – Upgrade & Modification
– Solid urea  SCR – Spare parts & Maintenance
– Urea solution – Boilers / Cogeneration – Catalyst Management
– Industrial applications – Operation & Maintenance
training
– Landbased/Marine engines
Safety related Services
 Reagent Handling & Storage
– Training: Online & Customized
 Urea to Ammonia
– Inspection, Audit & Advisory

Page 6
NOxCare® – Full Service DeNOx Solutions
We Care For Your Operations

 SNCR, SCR and hybrid


technology

 Reagent handling and storage


equipment

 Reagent supply

 Services – optimization &


upgrading of systems, safety
trainings, spare parts and
maintenance work
Yara is a leading supplier of solutions for
reducing NOx emissions from industrial
sources

 Power plants

 Waste incinerators

 Cement kilns

 Refineries

 Glass industry

Page 8
SNCR TECHNOLOGY - Selective Non Catalytic
Reduction

 Thermal process, based on the


injection of ammonia / urea solution at
850 – 1000°C
 Performances: 60 – 80% reduction
rate
 Low investment costs
INDUSTRIAL WASTE INCINERATOR –
SNCR TEST INJECTION
400 10

9
350
Test 17 Test 18 Test 19 Test 20 Test 21 Test 22 Test 23 Test242 Test 25 Test 26
8
300
7

250
6

200 Test 16 5
Test 15
Test 14 4
150

3
100
2
41.69
50
1
19.63 16.20
0 0

NOx Val mg/Nm3 @ 11% O2 <- N2O Val mg/Nm3 @ 11% O2 E-1 -> NOx Media mg/Nm3 @ 11% O2 <-

NH4OH 25% l/h <- Portata Urea 45% liv.1 <- Portata Urea 45% liv.2 <-

NH3 Val mg/Nm3 @ 11% O2 -> CO Val mg/Nm3 @ 11% O2 ->


SNCR-plant for Filborna, Helsingborg

 Fuel: MSW
 Capacity: 75 MW
 Flue gas flow, nominal: 129 100 Nm3/h (wet)
 NOx in: ≤ 300 mg/Nm3, @ 11 % O2, dry, as NO2 (24h average)
 NOx out: < 80 mg/Nm3, @ 11 % O2, dry, as NO2 (24h average)
 NH3-slip: < 15 mg/Nm3, @ 11 % O2, dry, in gas phase (24h average)
SNCR-plant for Högdalen, Stockholm
SNCR-plant for Högdalen, Stockholm

 Fuel: MSW.
 Thermal capacity: 34 t/h waste
 Flue gas flow 148 860 Nm3/h ( wet) at MCR,
 Flue gas flow 183 922 Nm3/h ( wet) at design values,
 Flue gas flow 71 555 Nm3/h ( wet) at min load,
 NOx in ≤ 300 mg/Nm3, d, @ 11 % O2, d, as NO2 (daily average), at
design value
 NOx in ≤ 250 mg/Nm3, d, @ 11 % O2, d, as NO2 (daily average), at
MCR
 NOx out < 80 mg/Nm3, d, @ 11 % O2, d, as NO2 (hour average)
 NH3 < 8 mg/Nm3, d, @ 11 % O2, d, (peak value in gasphase)
SCR TECHNOLOGY – Selective Catalytic
Reduction

 Technology based on the use of a catalyst


 More than 95% NOx reduction with limited ammonia slip
 Can meet stricter incoming legislation.
 Possibility to reduce dioxines
.
DeNOx-Plant – Spittelau
PROJECT DESCRIPTION
1 SCR-plant for 2 separate grate fired waste-to-energy-lines
From 2011-2015 Spittelau plant will be completely technically renewed and
economically optimized including a new SCR-DeNOx system as low-
temperature process incl. a heat transfer system.

MAIN QUANTITIES:
Flue gas flow rate: 220.000 (2x110.000) Nm³/h
NOx reduction: <70 mg/Nm³, dry 11% O2
NH3 Slip: <4 mg/Nm³, 11% O2

Customer:
WIEN ENERGIE GmbH, Vienna

Commissioning:
2012 - 2015

SCR Sales Meeting Vienna, Oct 2014

Guido Caruso
guido.caruso@strabag.com Page 15
SCR DeNOx-Plant – Spittelau

SCR Sales Meeting Vienna, Oct 2014

Guido Caruso
guido.caruso@strabag.com Page 16
DeNOx-Plant – Spittelau

SCR Sales Meeting Vienna, Oct 2014

Guido Caruso
guido.caruso@strabag.com Page 17
Reference INCINERATION PLANT
Termovalorizzatore Bolzano

NH3 slip : 3 mg/Nm³


Incineration Plant Belgium
Plant: IUOM IBW
2 DeNOx Systems for INCINERATION
delivered and commissioned in 2009

Project Data:
Flow: 40.000 Nm³/h Line 1
Flow: 60.000 Nm³/h Line 2
Temperature: 230 °C
Emissions achieved: NOx Abatment: 85%
Nox baseline: 500 mg/Nm³
NOx Reduction : 70 mg/Nm³
NH3 slip : 5 mg/Nm³

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