Recovery boilers reference list
Name Installation Year Original MCR [tDS/day] MCR [tDS/day] Furnace area [m^2] Furnace load Number of sootblowers Boiler make Boiler build year Steam consumption before HISS [kg/s] Steam consumption after HISS [kg/s] Steam Saving [%] Increased sootblowing [%] Fuel Country Solution Results
[tDS/m^2*day]
Finnish pulp mill 2024   3300     80 Valmet (Tampella)       TBD TBD Black liquor FI HISS Start-up H2,2024. Guaranteed minimum steam savings 30 % (8 t/h) --> 9 GWh power & 40 GWh LP steam, meaning less 2 300 tCO2e/year.
Swedish pulp mill 2023   2700     70 Valmet (Götaverken)       TBD TBD Black liquor SE HISS Start-up H1, 2024. Guaranteed minimum saving 30 % (8 t/h) --> 7 GWh power & 40 GWh LP steam, meaning less 1 950 tCO2e/year.
Swedish pulp mill 2023   1,200 66 18.2 76 Valmet (Götaverken) 2018     > 35 30 Black liquor SE HISS 34% steam saving while increasing sootblowing
Austrian pulp mill 2022   165 ton steam/h     13 Andritz (Waagner-Biro)       45 0 Red Liquor AT HISS saved 43% of their annual sootblowing steam and had halved the time for their cleaning cycles. Less than a year ROI
Swedish pulp mill 2022   1000     16 Götaverken       45 0 Black liquor SE HISS Immediate steam savings of 42 %.
Swedish pulp mill 2022   1,500     64 Valmet (Kvaerner)       TBD TBD Black liquor SE HISS Start-up H1-2023 (upgrade after rebuild)
Bulgarian pulp mill 2022   500 49 10.2 17 B&W 1972     40 12 Black liquor BU HISS 40% steam saving
Brazilian pulp mill 2022   5,200     96 Valmet (Kvaerner)       15 80 Black liquor BR HISS Start-up March-2023
Swedish pulp mill 2021   2,000     74 Valmet (Tampella)       37 10 Black liquor SE HISS Guaranteed minimum steam savings of 55 000 ton/year. Improved cleanability.
Swedish pulp mill 2021   4,600     108 Valmet       0 100 Black liquor SE HISS Guaranteed minimum steam savings of 128 000 ton/year. Customer goal: 4800 tDS/day.
Swedish pulp mill 2020   2,400     92 Andritz       25 0 Black liquor SE HISS Guaranteed minimum steam savings of 128 000 ton/year. 
Austrian pulp mill 2020   2,600     80 Andritz       30 15 Black liquor AT HISS 30% saved steam on sootblowing, this lead to 1,5 MW increased electricity production. Generating 12 750 MWh annually.
Swedish pulp mill 2019   1,400     60 Valmet (Götaverken) 1968     37 10 Black liquor SE HISS Increased boiler black liquor throughput by 15 %, now operating at 1 300 tDS/day. Steam savings 46 000 ton/year. Improved process (smelt) stability.
Norwegian pulp mill 2018                       Black liquor NO INFRA Cleaning area: HEAT RECOVERY UNIT
Swedish pulp mill 2018   1500 TS/day       Kvaerner/Metso           Black liquor SE INFRA Cleaning area: ECO/GOOSE NECK
Swedish pulp mill 2016   2,700     80 Valmet (Metso) 2000     35 30 Black liquor SE HISS Increased boiler black liquor throughput by
7 %. Steam savings 65 000 ton/year. April 2018 – Sept 2019 completed 18 months season for first time. Improved cleanability.
American pulp mill 2015   1360 TS/day       Kvaerner           Black liquor US INFRA Cleaning area: ECO/GOOSE NECK
Canadian pulp mill 2014   1520 TS/day       Babcock & Wilcox           Black liquor CA INFRA Cleaning area: ESP
Swedish pulp mill 2011   800     24 Valmet (Götaverken)       0 100 Black liquor SE HISS Prolonged time between water washes and increased production. Improved cleanability.
Swedish pulp mill 2011   2,400     100 Valmet (Tampella)       23 50 Black liquor SE HISS Increased production with remained boiler
up-time in combination with saving steam. Improved cleanability.
Swedish pulp mill 2010   1,050     23 Valmet (Götaverken)       0 100 Black liquor SE HISS Elimination of outages for manual cleaning between revision stops. Improved cleanability.
Swedish pulp mill 2009   1,500     64 Valmet (Kvaerner)       35 30 Black liquor SE HISS Production increase 5 %, while saving 26 000-ton steam/year, Improved cleanability.
Swedish pulp mill 2007   1130 TS/day       Kvaerner           Black liquor SE INFRA Duct between generating bank and ECO. Plugging and fouling issues eliminated. Eliminated need for water washing. Two steam sootblowers has been shut down. ID-fan speed is  low and stable. Pulp production records has been achieved. ROI lower than 6 
American pulp mill 2006   650 TS/day       Andritz           Black liquor US INFRA Gooseneck, ESP. Eliminated plugging and fouling issues. ROI in just a few months due to avoided outages. Flue gas temperatures decreased in the ECO by 5°C. Increased boiler efficiency. $300 000 savings in fuel every year. Production rate increased from 54 000 lbs to 62 000 lbs.