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As part of our final work for chemical engineering bachelors degree we are working to improve the production of lipids using the green microalgae Scenedesmus dimorphus. To do so we will variate the nitrogen concentration (Urea from 1.2g/L to 2.4g/L) and nutrient deprivation time. We will also investigate the effect of CO2 as a form of agitation. The pH values will be recorded daily, also the algae concentrations and the Urea concentration will be measured every 3 days. For more information about this, you can enter to the back-ground area. You can also see photos of our set-up and videos. In this web page we will bring all the actualized information about the progress of our investigation. ||SPANISH|| Como parte de nuestro trabajo final del bachillerato en ingeniería química estamos buscando conocer las condiciones que mejoran o aumentan la producción de lípidos en un alga verde, en nuestro caso Scenedesmus dimorphus. Esto aumentaria la materia prima para la produccion de Biodiesel. En el espacio (Background) podran encontrar la propuesta sobre el trabajo que estamos llevando acabo. Utilizaremos este espacio para continuamente ir actualizando la información obtenida en el laboratorio.

11/Septiembre/2009

viernes, 11 de septiembre de 2009

September/11/2009

1. Luces del salón se encendieron a las 10:30am
1. Lights turned on at 10:30am.

2. Las temperaturas de la peceras a las11:00am fueron de:

     a. I-32°C, II-32°C y shaker apagado
2. The temperatures on the tanks at 11am were:
    a. I-32°C, II-32°C and shaker turned off

3. CO2 estaba funcionando bien
3. CO2 was working correctly.

4. Los cultivos no se sedimentaron (fuente CO2)
4. The cultures didn't sedimentate (CO2 agitation source).

5. Cultivos de no CO2 sedimentados debido a que no hubo agitación.
5. Cultures without CO2 did sedimentate due to the fact that it did not have agitation.

6. Se calentó agua para elevar la temperatura del shaker (32°C).
6. Water was heated to pour into the shaker to elevante the temperature (32°C).

7. Luces se prendieron a las 10:50am
7. Lights turned on at 10:50am.

8. Shaker se arreglo a las 11:10am
8. Shaker was fixed at 11:10am, to perform agitation.

9. A heater was brought in for the Shaker to control its temperature.

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