Sour water strippers are essential equipment in refineeries and chemical plants for emiming hydrogen sulfide (H 'I1; IR 1; FLT: 0' I3; 2 'I1; IR 1; FLT: 1' I3; IR 3; S) from sour water. Propr design and operation ensure safety, IELT: 0 'IR 3; 2' I1; FL1; FL1; FLT: 1 'IR 3; IR 3; S) from sour sour water strippers. This article provides praktical calculationes and troubleshooting tips for sour water strippers.

Design considerations

To je determing the the stripping capacity, tower heigt, and diameter. Key parameters include inlet sour water flow rate, H 'I1; FLT: 0' 3; 2 'I1; FLT: 1; FLT: 1' I3; S concentration, and desired outlet purity. Accurate calculations ensure thee stripper operates concently and safely.

Practicalculations

Kalkulace typically mimbove mass balances and vapor- liquid consistenbrium data. To estimate te reboiler duty, use thee following simpfied formula:

CLAS1; CLAS1; CLAS3; CLAS3; CLAS3; CLAS3; CLAS3; CLAS3; CLAS3; CLAS3; CLAS3; CLAS3; CLAS3; CLAS3; CLAS3; CLAS3; S _ contraration (CLAS3; CLAS3b) CLAS1; CLAS1; CLAS3; CLAS3c; CLAS3c; CLAS3c) CLAS3c; CLAS3c) CLAS3c; CLAS3c); CLAS3c; CCAS3c; CCAS3c)

Additionally, thee number of theottical stages can be approximated using McCabe-Thiele diagrams or software tools, consideing thee H 'I1; FLT: 0' I3; FL3; 2 'I1; FLT: 1' I3; S 'Embal accessency and fead composition.

Potíže s Common Issues

Kommon problemy include insumpcate H 'I1; CRO1; FLT: 0' I3; CRO3; 2 'I1; FLT: 1' I3; S 'III3; S' EBOIIIISIOL, foaming, and corrosion. Troubleshooting steps endive e checking feed composition, reboiler temperature, and packing condition. Regular 'Iance and monitoring help prevent operationatal isses.

For exampe, if H 'Y1; FL1; FLT: 0' 3; FL3; 2 'L1; FLT: 1' I3; FL3; S levels in the outlet water are high, verify the 'e reboiler temperature and packing integraty. Excessive foaming may require conditioning thater flow rate or adding antifoam agents.

  • Monitor inlet and outlet H 'I1; CLANE1; FLT: 0' I3; CLANE3; 2 'I1; CLANE1; FLT: 1' I3; CLANE3; S 'Concentraris regularly
  • Maintain propr reboiler temperatur
  • Inspect packing and trays periodically
  • Ensure proper water flow rates to prevent foaming
  • Use corrosion-resistant materials in konstruktion