**Client:**  Hyundai Heavy Industries Co. Ltd. (HHI)

**Process:** Seawater Coarse & Ultrafiltration

**Country:** Congo

**Contract Description:** Supply of Seawater Coarse, Ultra-filtration (UF) Packages

**Contract Start Date:** November 2013

**Contract Completion Date:** January 2015

**UF Capacity:**  211,320 BPD (33,600 m3/day)

**Coarse Permeate Output:** <100 micron particles at 98% Efficiency

**UF Permeate Output:** : 0.0lµm & 5DI (Silt Density lndex) : <2.5

   ![](/sites/g/files/dvc3331/files/styles/default/public/image/2020/05/2015-08-08%20CFU_UF%20on%20Barge.jpg.webp?itok=xoEPcO46)   





 

 

 

 

 

 



 

**Project Description:**

EPC supply of water treatment technology skids, coarse filtration, and Ultrafiltration with a capacity of 211,320 BPD (33,600 m3 /day) to be installed on the FPU topsides to provide the specified seawater treatment quality to the water injection system.

**Project Scope:**

The Ultrafiltration Package comprises a single-lift UF membrane skid with integral CIP System. Six UF membrane racks, each rack comprising three multi-element vessels (MEV’s), are provided to allow for 1 rack on backwash and 1 spare, which can be taken offline for maintenance. The fine filtered seawater (0.03µm) from the UF system provides the feed to the Water Injection Pump system.

The UF Package also includes a membrane Clean-in-Place (CIP) unit and a Unit Control Panel.

**Process Description:**

Pressurised seawater is supplied to the UF system from upstream coarse filters. UF hollow fibre membranes, installed in a multi-element housings, are arranged in multiple racks with back-flushing performed using treated water from the downstream UF Backwash Tank. In addition, provision for hypochlorite dosing is provided to facilitate clean-in-place membrane arrays.

Filtered water from the UF Package provides feed water to the downstream water injection system.