Production optimization for concentration and volume-limited fed-batch reactors in biochemical processes

2017 ◽  
Vol 41 (3) ◽  
pp. 407-422
Author(s):  
Ping Liu ◽  
Xinggao Liu ◽  
Zeyin Zhang ◽  
Yalin Wang ◽  
Chunhua Yang ◽  
...  
Keyword(s):  
Production Optimization ◽  
Batch Reactors ◽  
Fed Batch ◽  
Biochemical Processes

scholarly journals Perspectives of intracellular polymers in functional evaluation of the microbes for EBPR

2021 ◽  
Author(s):  
Ghazal Srivastava ◽  
Absar Ahmad Kazmi
Keyword(s):  
Evaluation Studies ◽  
Oxygen Demand ◽  
Cyclic Behavior ◽  
Batch Reactors ◽  
Functional Evaluation ◽  
Sequencing Batch Reactors ◽  
Biological Phosphorus Removal ◽  
Biochemical Processes ◽  
Sudan Black B ◽  
Wastewater Quality

Abstract To substantiate and interpret the performance of the Enhanced Biological Phosphorus Removal (EBPR) processes with simultaneous nitrogen removal in five full-scale sequencing batch reactors (SBR) systems (with or without pre-anoxic/anaerobic selector) across India, conventional microscopic examinations were performed. Regular examining and cyclic behavior evaluation studies specified that these systems worked for EBPR with effectiveness depending on the wastewater quality and operational steadiness. Treatment with Neisser stain for identifying polyphosphates (poly-P) and Sudan black B stain for observing poly-β-hydroxybutyrates (PHB) granules showed that the enriched biomass of the SBR plants was very diverse concerning morphology, residing populations of traditional rod-shaped PAOs, tetrad (or Sarcina-like cells) forming organisms (submitted as TFOs instead of GAOs), diplococci-shaped cells, and staphylococci-like clustered populations (CC), including few filaments which correlate well with biochemical processes undergoing in SBR plants. SBR plants with readily biodegradable chemical oxygen demand (rbCOD) fraction in COD > 16% and rbCOD/TP ∼10–20 in Varanasi, Mumbai, and Gurgaon, respectively, have performed for >20% EBPR (∼77.8%, ∼76.6%, and ∼84.8% TP removal, respectively) as well as >85% Simultaneous Nitrification and Denitrification (SND). This study can open novel dimensions for optimization by relating microscopic observations (qualitative examination) with the processes undergoing in the plants under varied physicochemical parameters.

scholarly journals pH-oscillations in the bromate–sulfite reaction in semibatch and in gel-fed batch reactors

2015 ◽  
Vol 25 (6) ◽  
pp. 064602 ◽  
Author(s):  
Eszter Poros ◽  
Krisztina Kurin-Csörgei ◽  
István Szalai ◽  
Gyula Rábai ◽  
Miklós Orbán
Keyword(s):  
Batch Reactors ◽  
Fed Batch

Benzyl butyrate esterification mediated by immobilized lipases: Evaluation of batch and fed-batch reactors to overcome lipase-acid deactivation

2019 ◽  
Vol 78 ◽  
pp. 50-57 ◽  
Author(s):  
Alessandra Cristina de Meneses ◽  
Amanda Gomes Almeida Sá ◽  
Lindomar Alberto Lerin ◽  
Marcos Lúcio Corazza ◽  
Pedro Henrique Hermes de Araújo ◽  
...  
Keyword(s):  
Batch Reactors ◽  
Fed Batch ◽  
Immobilized Lipases
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