AFTER COMPLECTION MEDIA STERILIZATION IN FERMENTER CT WATER
GIVING AT 120DEG TEMP , HOW FAR IT IS CORRECT?

Answer Posted / biotech team

The situation depends upon size of the fermenter and other factors. Holding of media at 121degrees C is a requirement of sterilization to nullify the bioload in the media. Holding of media at high temparature for longer period may degrade nutrients.
1. so we have to bring down the temparature as early possible with out damaging the reactor with considerable positive pressure in the reactor.
2. For bigger fermenters, chilled water usage for bringing down temp from 120degrees is not econamical. so we can use cooling tower water to bring down temp up to 50degrees and then followed by chilled water circulation untill temp reaches to process requirement.
where as for tiny insitu fermenters, it doesnt show any difference.Initially air cool to 100 degrees with slight opening of exhaust valve by maining positive pressure with sterile air passage through sparger. then reduce the temp with chilled water circulation.

Is This Answer Correct ?    2 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what are the shine-dalgarno sequences in organism other than E.coli.?

4534


what are some of the concerns about biotechnology regarding human health and biodiversity? 

2549


I have an elder brother who is married and settled in USA.Around 2 1/2years back even he had gone for his masters. I would be appearing for Visa soon. I have got acceptance fron Wayne state Univ for masters in biotechnology.What should my answer be when this question is raised. Would my case become more critical? please help

1557


What are the problems we could face by using this genetic engineering tools?

600


Why is it hard to keep genetically modified (GM) crops separate from non-GM crops throughout the manufacturing process?

1893






what is the schematic view or the steps involved in northern blotting technique?

1998


What is the difference between transfection and transduction?

615


hey i am doin bsc biotech and i want to do research on stem cells.....plz tell me how to go about??????

1656


What is the definition of 'biomedical'?

621


I am doing my m.sc biotechnology.but i don't know about the interview questions of various company and how i have to face.can you please anyone send that placement papers?thank you

1757


What kinds of metrics would you gauge to determine the financial, strategic and operational health of a prospective alliance partner?

2145


At is the difference between transfection and transduction?

626


How would you value a biotech company as opposed to a consumer products company?

1876


Can I get a working model on petro plants ?

2179


how do you get on with your current boss

1828