Rabigh, Makkah Province, Saudi Arabia (KSA)

Oil & Gas


Detailed engineering design of two new Caustic Scrubber Units (CSU) to be located in the existing R310 Sulphur Recovery Unit.

Activities performed

MULTIDISCIPLINARY detailed design, Preparation of Technical Bid Tabulations, Follow up activities of Vendors’ technical documents.

Period of performance

2022 – 2023

Project description

The existing plant is composed by two identical trains to produce 276 TPD of liquid Sulfur each.
The purpose of the new Caustic Scrubber Unit (CSU) facilities is to treat Tail Gas from both trains (Train 1 & Train 2) of the existing R310, in order to reduce the emission of SO2 to 150 mg/Nm3 on a dry basis with 3 mol% excess O2.
The design involved the following disciplines:

  • Process Safety (HSE)
  • Machinery and PVHE
  • Piping
  • Civil and Structural
  • Eletrical
  • Instrumentation and Automation

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