Podcast
Questions and Answers
What is a characteristic of tray bioreactors used at commercial scale?
What is a characteristic of tray bioreactors used at commercial scale?
- They require minimal labor and large areas
- They always use sterilizable and microporous bags for sterility maintenance
- They are only applied for the Koji process
- They may be perforated or non-perforated, and come in various sizes (correct)
What is a challenge associated with the use of tray bioreactors in industry?
What is a challenge associated with the use of tray bioreactors in industry?
- They are highly efficient in heat removal
- They are suitable for a wide range of product types
- They require intensive labor and large areas (correct)
- They have minimal sterilization requirements
What is an alternative method mentioned for maintaining sterility in tray bioreactors?
What is an alternative method mentioned for maintaining sterility in tray bioreactors?
- Discontinuously rotating drum operation
- Exposure to controlled environment with ejectors and air filters
- Implementation of continuous agitation
- Use of sterilizable and microporous bags (correct)
What is an example of a solid state fermentation (SSF) bioreactor without forced aeration?
What is an example of a solid state fermentation (SSF) bioreactor without forced aeration?
What is a characteristic of horizontal drum bioreactors with forced aeration?
What is a characteristic of horizontal drum bioreactors with forced aeration?
What is a common challenge associated with the use of tray bioreactors in industry?
What is a common challenge associated with the use of tray bioreactors in industry?
What is an example of a solid medium used in tray bioreactors?
What is an example of a solid medium used in tray bioreactors?
What is the purpose of agitation in a horizontal drum bioreactor with forced aeration?
What is the purpose of agitation in a horizontal drum bioreactor with forced aeration?
According to Durand (2003), what was the largest reactor cited in the literature for kinetic studies of Rhizopus?
According to Durand (2003), what was the largest reactor cited in the literature for kinetic studies of Rhizopus?
What is an alternative to maintain sterility in tray bioreactors?
What is an alternative to maintain sterility in tray bioreactors?
What is the most significant problem in scale-up of solid state fermentation (SSF) bioreactors?
What is the most significant problem in scale-up of solid state fermentation (SSF) bioreactors?
What is a major challenge associated with microbial growth under aerobic conditions in SSF bioreactors?
What is a major challenge associated with microbial growth under aerobic conditions in SSF bioreactors?
Why are commercial designs of bioreactors absent in some bioprocesses involving solid state fermentation?
Why are commercial designs of bioreactors absent in some bioprocesses involving solid state fermentation?
What is the primary factor that makes it difficult to remove the heat produced during microbial growth in SSF bioreactors?
What is the primary factor that makes it difficult to remove the heat produced during microbial growth in SSF bioreactors?
Which parameter poses a challenge in controlling the environment within solid state fermentation (SSF) bioreactors?
Which parameter poses a challenge in controlling the environment within solid state fermentation (SSF) bioreactors?