Evaporation

Freese, Howard L.

doi:10.1016/b978-081551407-7.50013-1

Cited by 1 publication

(2 citation statements)

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“…Large throughputs can be handled and final solids concentration achieved can be higher as compared to most filtration operations (Freese, 1996). Evaporators can be single or multistage (Seader et al, 2010) based on the capacity desired.…”

Section: Evaporationmentioning

confidence: 99%

“…The technologies available in stage II are summarized in Table 6. (Freese, 1996;Grandison and Lewis, 1996;Seader et al, 2010) Precipitation (Belter et al, 1988;Filho et al, 2011;Harrison et al, 2003;Jeon et al, (Belter et al, 1988;Qureshi et al, 2005;Sun et al, (Feng and Huang, 1997;Huang, 1991;Mulder et al, 1983;Shao and Kumar, 2009;Sikdar et al, 2001) Membranes (MF,UF,NF,RO) refer to Table 5 in subsection 4.5…”

Section: Summary Of Technologies In Stage II -Product Concentrationmentioning

confidence: 99%

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A roadmap for the synthesis of separation networks for the recovery of bio-based chemicals: Matching biological and process feasibility

Yenkie

Clark

et al. 2016

Biotechnology Advances

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Microbial conversion of renewable feedstocks to high-value chemicals is an attractive alternative to current petrochemical processes because it offers the potential to reduce net CO emissions and integrate with bioremediation objectives. Microbes have been genetically engineered to produce a growing number of high-value chemicals in sufficient titer, rate, and yield from renewable feedstocks. However, high-yield bioconversion is only one aspect of an economically viable process. Separation of biologically synthesized chemicals from process streams is a major challenge that can contribute to >70% of the total production costs. Thus, process feasibility is dependent upon the efficient selection of separation technologies. This selection is dependent on upstream processing or biological parameters, such as microbial species, product titer and yield, and localization. Our goal is to present a roadmap for selection of appropriate technologies and generation of separation schemes for efficient recovery of bio-based chemicals by utilizing information from upstream processing, separation science and commercial requirements. To achieve this, we use a separation system comprising of three stages: (I) cell and product isolation, (II) product concentration, and (III) product purification and refinement. In each stage, we review the technology alternatives available for different tasks in terms of separation principles, important operating conditions, performance parameters, advantages and disadvantages. We generate separation schemes based on product localization and its solubility in water, the two most distinguishing properties. Subsequently, we present ideas for simplification of these schemes based on additional properties, such as physical state, density, volatility, and intended use. This simplification selectively narrows down the technology options and can be used for systematic process synthesis and optimal recovery of bio-based chemicals.

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Section: Evaporationmentioning

confidence: 99%