Download e-book for kindle: Amine Unit Corrosion in Refineries by J Harston, F Ropital

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 an important challenge for the petrochemical undefined. Maximising amine unit reliability, including enhancing throughput, move and remedy potential, calls for better methods of measuring and predicting corrosion charges. even if, there was an absence of information on corrosion. This invaluable record is helping to therapy this lack of awareness through 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 approach parameters to maximize amine unit potency and reliability.

  • Covers such amine varieties as Methyl Diethanolamine (MDEA) and Di-isopropanolamine
  • Makes tips about fabrics and approach parameters to maximize amine unit potency and reliability

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Additional info for Amine Unit Corrosion in Refineries

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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 ?

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.

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. e.

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Amine Unit Corrosion in Refineries by J Harston, F Ropital


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