Tehran Oil Refinery

Tehran Refinery SSU — Tehran Refinery Sulphur Solidification Unit (2 X ZG15™)

National Iranian Oil Engineering & Construction-NIOEC assigned Ehsan Joint Venture as EPC contractor of this project. The EPC Contractor (EHSAN joint venture) consisting of ODCC, IGC, and Design & Inspection Engineering Co. The Project scope consisting of Licensed and Non-licensed units is as follows: 53,500 bpd Gas oil Desulfurization Unit, 28,000 bpd Kerosene Desulfurization Unit, 42 million CFD Hydrogen Plant, 35 MW Power Generation Plant, LPG Recovery, Sour Water Unit, Amine Treatment Unit, Sulfur Recovery Unit and Sulphur Solidification Unit.

Sulphur Forming and Solidification Unit

Capacity	720 tonnes per day
Method	Granulation
Client	Ehsan J.V. (OD&CC, IGC, D&I)
Delivery Date	2011
Status	Completed and in operation
Location	Tehran - Iran
Feed	Liquid sulphur from SRU plant
Product	Granule (spherical shape)
Number of trains	2 (ZG15™)
Train capacity	15 tonnes per hour / 360 tonnes per day
Storage	2 X 250 tonnes = 500 ton silo
Handling	Rubber belt conveyor
Equipment	Granulator Drum Dry steam jacketed cyclone filter Exhaust fan Sulphur buffer tank Liquid sulphur filter and pump group Liquid sulphur transfer pump group Rubber belt conveyor Storage silo Process water tank & pump group Pre-fabricated piping and jacketed piping UCP/PLC control system Instrument VFD and switchgear Electrical (Lighting, Earthing, Lightning and Cabling)