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Large Volume Inorganic Chemicals - Ammonia ... - ammk-rks.net

Large Volume Inorganic Chemicals - Ammonia ... - ammk-rks.net

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Annexes14 ANNEXES14.1 Cost calculations for retrofitting H 2 SO 4 plantsTable 14.1 shows cost calculations for retrofitting H 2 SO 4 plants. The calculation is based on thefollowing assumptions:SO 2 content: with 5 – 7 % SO 2 , calculated with 5 %with 9 – 12 % SO 2 , calculated with 10 %O 2 content: 5 – 7 % SO 2 corresponds to 6 – 9 % O 29 – 12 % SO 2 , corresponds to 8 – 11 % O 2Conversion rate in %: accuracy of 0.1 %Fixed: lifetime for all installations of 10 yearsoperation costs of 3 %interest rate of 4 %price of H 2 SO 4 : EUR 20/tonne ex wo<strong>rks</strong>labour costs: EUR 37000/man/yearutilities for Peracidox and alkaline scrubbing: +30 % capital investment costswarranted SO 2 content after scrubbing:

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