Petroleum

Amine Unit Corrosion in Refineries - download pdf or read online

By J Harston, F Ropital

ISBN-10: 1845692373

ISBN-13: 9781845692377

The corrosion of carbon steels in amine devices used for fuel remedy in refining operations is a big challenge for the petrochemical undefined. Maximising amine unit reliability, including bettering throughput, circulate and therapy capability, calls for more suitable methods of measuring and predicting corrosion charges. even if, there was a scarcity of information on corrosion. This important file is helping to treatment this lack of knowledge via summarising findings from over 30 vegetation. It covers such amine varieties as methyl diethanolamine (MDEA), diethanolamine (DEA), monoethanolamine (MEA) and di-isopropanolamine (DIPA), and makes tips about fabrics and method parameters to maximize amine unit potency and reliability.

  • Covers such amine forms as Methyl Diethanolamine (MDEA) and Di-isopropanolamine
  • Makes tips on fabrics and technique parameters to maximize amine unit potency and reliability

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Extra resources for Amine Unit Corrosion in Refineries

Sample text

5 t a–1 (4 × inventory) No Rare Yes Yes ? 4 mol mol–1? 05 mol mol–1 ? 6 (formate and acetate) 1–5 Not known ? 0? 4 m s–1 for stainless steel. 2 Location of problems per item of equipment Regenerators (7), (8), (11), (12), (13), (16), (17), (18) Regenerator overheads drum (1), (4), (5), (12) Regenerator overheads condenser Regenerator overheads piping (4), (5), (12) (2), (5) Regenerator reboiler (1), (7), (8), (11), (12), (13), (14), (15), (17), (18), (20) Rich–lean exchanger (3), (6), (7), (9), (11), (12), (14), (18) Lean amine (1), (11) 5 Experiences of four plants using monoethanolamine The plant numbers are given in parentheses.

1 Amine parameters and foaming Amine Concentration (wt%) Circulation 22 20 25 25–30 16–30 30 40 t h–1 76 t h–1 80 t h–1 30–50 t h–1 30–65 t h–1 35 t h–1 Loss 30 t N/A N/A 27 t 10 t 67 t a–1 a–1 a–1 a–1 Foaming Plant No No No Sometimes Noticed Sometimes (1) (2) (3) (4) (5) (6) Experiences of twenty-one plants using diethanolamine Amine Concentration (wt%) Circulation 16–23 22–27 20–24 29 ? 8 30 45–65 t h–1 15–30 t h–1 64 t h–1 170 m3 h–1 ? 2 23 Loss Foaming Plant 52 t a–1 26 t a–1 14 t a–1 60 t a–1 ?

4 mol mol–1? 05 mol mol–1 ? 6 (formate and acetate) 1–5 Not known ? 0? 4 m s–1 for stainless steel. 2 Location of problems per item of equipment Regenerators (7), (8), (11), (12), (13), (16), (17), (18) Regenerator overheads drum (1), (4), (5), (12) Regenerator overheads condenser Regenerator overheads piping (4), (5), (12) (2), (5) Regenerator reboiler (1), (7), (8), (11), (12), (13), (14), (15), (17), (18), (20) Rich–lean exchanger (3), (6), (7), (9), (11), (12), (14), (18) Lean amine (1), (11) 5 Experiences of four plants using monoethanolamine The plant numbers are given in parentheses.

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Amine Unit Corrosion in Refineries by J Harston, F Ropital


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