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Title 

Optimal production of curdlan by Agrobacterium sp. with feedback inferential control of optimal pH profile

Authors 

Jung Heon LeeYoung Hoon Park

Publisher 

Springer Verlag (Germany)

Issue Date 

2001

Citation 

Biotechnology Letters, vol. 23, no. 7, pp. 525-530

Keywords 

curdlandissolved oxygeninferential controloptimal control

Abstract 

The pH control was important for curdlan production with Agrobacterium sp. ATCC31750. Specific cell growth rate was the highest at pH 7 and the specific curdlan production rate was at pH 5.5. The pH profiles maximizing curdlan production was changed from pH 7 optimal for cell growth to pH 5.5 optimal for curdlan production after ammonium consumption. The feedback inferential control methods, with easily measurable variables such as NaOH addition for pH control and dissolved oxygen (DO), were also applied. The pH was successfully controlled to follow optimal profiles and the maximal production of curdlan (60 g 1-1 in 120 h) was achieved with feedback optimal control.

ISSN 

0141-5492

Link 

http://dx.doi.org/10.1023/A:1010374519891

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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