000 02881naa2a2200385 4500
001 570939
005 20231030032025.0
035 _a(RuTPU)RU\TPU\prd\268685
035 _aRU\TPU\prd\268684
090 _a570939
100 _a20170111a2016 k y0rusy50 ba
101 0 _aeng
102 _aRU
135 _adrcn ---uucaa
200 1 _aOptimal control of enzymatic hydrolysis of lignocellulosic biomass
_bElectronic resource
_fF. Fenila, Yogendra Shastri
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: p. S103-S104 (31 tit.)]
330 _aCellulose hydrolysis is a key step in lignocellulosic ethanol production. At present, commercial production of lignocellulosic ethanol is limited due to the long hydrolysis times and requirement of large quantity of expensive enzymes. Therefore, reduction of the enzyme consumption as well as hydrolysis time is crucial and model based optimisation methods can be used for the same. A semi-mechanistic model with cellobiose, glucose, and xylose inhibition with Arrhenius based relationship between temperature and kinetic parameters and thermal deactivation of enzymes was used for the present study. Optimal control problem with temperature as control variable was formulated after considering two different objective functions. For the objective of glucose concentration maximisation at final batch time, the benefit of implementing optimal control increased with reducing batch times. For the batch time of 24 hours, the final glucose concentration increased by 3.2%. For the objective of batch time minimisation, the reduction of batch time was 5.8% and it was observed for a target glucose concentration of 45 g/kg of cellulose. The use of optimal control can reduce the enzyme requirement up to 77.8% of endoglucanase and exoglucanase for glucose maximisation and 22.2% for batch time minimisation. The above results show the usefulness of optimal temperature control in increasing the glucose concentration, and reducing the batch time without increasing the enzyme used.
461 1 _0(RuTPU)RU\TPU\prd\247369
_x2405-6537
_tResource-Efficient Technologies
_oelectronic scientific journal
_fNational Research Tomsk Polytechnic University (TPU)
_d2015-
463 1 _0(RuTPU)RU\TPU\prd\268664
_tVol. 2, Suppl. 1
_v[P. S96–S104]
_d2016
610 1 _aтруды учёных ТПУ
610 1 _aэлектронный ресурс
610 1 _aoptimal control system
610 1 _atemperature
610 1 _aферментативный гидролиз
610 1 _aоптимальное управление
610 1 _aтемпература
610 1 _aглюкоза
700 1 _aFenila
_bF.
701 0 _aYogendra Shastri
801 1 _aRU
_b63413507
_c20090623
_gPSBO
801 2 _aRU
_b63413507
_c20180830
_gPSBO
856 4 _uhttp://earchive.tpu.ru/handle/11683/50242
942 _cBK