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Technical Field Trips
Field Trip 1
Visit to the Pangue Dam
The Pangue Dam project is located on the upper BíoBío River in Central/Southern Chile. The dam was built by the Chilean electricity company, ENDESA, the country’s largest private utility. The Pangue Hydroelectric project was built between 1993 and 1996. The dam has a wall height of 113 m and a reservoir volume of 175 millions of m3 for a generating a capacity of 467 MW. This project was the first major hydroelectric dam built on the BíoBío River and generates in average about 2.345 GWh per year.
Filed Trip 2
Rucue - Quilleco hydroelectric
The Rucue and Quilleco project consists of a 180 and 70 MW run-of-river hydropower plant, located on the Laja River. The Laja River is the main tributary of Biobio River and its basin is located in South-Central Chile. The Quilleco Project is a recent state of the art run-of-river hydropower project (year 2007) and is located 8 km downstream of the Rucue hydropower plant. Both projects generate together an average 1,612 GWh per year.
Field Trip 3
Santa Fe Pulp Mill
The Sante Fe mill is the largest bleached eucalyptus Kraft pulp (BEKP) mill in Chile, and is located 500 kilometers south of Santiago in the 8th Region of Chile. This Mill began its operations on May 1991 and its current production capacity is 1,150,000 metric tons per year through its two production lines. This pulp mill has a modern production line, designed with the best available technology (BAT) to meet the highest environmental standards. Among the main features of the new pulp Line are a Low Solids Extended Cooking Continuous Digester followed by a two-stage oxygen delignification process, and a four-stage Bleaching Plant. From the environmental point of view, the expanded primary and secondary effluent treatment plant includes clarifiers, neutralization tanks, cooling towers, moving bed biological reactors followed by an activated sludge tank. In addition, the high-pressure steam from the new recovery boiler feeds two turbines with generating capacity of 60 MW.
Field Trip 4
Concepcion’s Wastewater Treatment Plant
The wastewater treatment plant of the City of Concepción (Biobio Plant) is the third largest treatment plant of the country. This facility directly treats domestic sewage from the cities of Concepción, Chiguayante and half of Talcahuano (500,000 inhabitants). This treatment plant removes every day about 60 metric tons of organic matter through a secondary treatment by means of active sludge tanks followed by clarifiers with a capacity for an average flow of 1.2 m3/seg. After treatment the effluent is discharged into the Biobio River.
