Gas Natural Fenosa – Case Study

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Project details

  • Customer: Natural Fenosa, La Robla thermal power plant and Narcea thermal power station
  • Year:2007 (La Robla) and 2008 (Narcea)
  • Location: La Robla, León, Spain – Tineo, Asturias, Spain
  • Sector: Energy
  • Division: Industrial wastewater

Project description

Gas Natural Fenosa has 2,375 MW of coal and gas-fired power stations in the world.

The La Robla Thermal Power Plant is a conventional coal-fired thermoelectric plant located near the Bernesga River in the municipality of La Robla in the province of León(Spain). It consists of 2 thermal groups of 284.2 and 370.7 MW.

The Narcea or Soto de la Barca thermal power station is a conventional cycle thermoelectric plant located near the river Narcea in the municipality of Tineo, Asturias, Spain. It has 3 thermal groups of 55.5, 166.6 and 364.1 MW, respectively.

Request: Treatment of 4 m3/h (La Robla) and 5.5 m3/h (Narcea) of wastewater from its Flue Gas Desulfurization (FGD) system.

Solution:

LA ROBLA: Complete plant with filtration pretreatment + physicochemical phase + ENVIDEST MFE-96.000 vacuum evaporator-crystallizer made of special anticorrosive material.

NARCEA: Complete plant with filtration pretreatment + physicochemical phase + ENVIDEST MFE-132.000 vacuum evaporator-crystallizer made of special anticorrosive material.

Results

ZLD with 94% recovery of treated water to process

Minimization of final waste for management (salts)

Process diagram

Gas Natural - Case Study

Project pictures