نتایج جستجو برای: multi effect distillation

تعداد نتایج: 2080821  

A shortcut procedure as quick, easy-to use method for design and simulation of multicomponent batch distillation is used to predict the operating condition of recovering xylene from solvent in an existing batch distillation column in benzol refinery. The procedure can be used to investigate the effect of the operating parameters on the operation of column for three possible modes of batch d...

2003
Jacques Savoy Yves Rasolofo Laura Perret

This year we took part in the genomic information retrieval and information extraction tasks, as well as the named page and topic distillation searches. In carrying out the last two tasks, we made use of link anchor information and document content in order to construct Web page representatives. This type of document representation uses multi-vectors to highlight the importance of both hyperlin...

2007
Achim Kienle Wolfgang Marquardt

In the chemical industry the demands regarding process efficiency are permanently increasing. At the same time methods to design indiviual process stages and interconnect them to higly integrated process are reaching their preformance limit. To overcome these limitations the focus of current research has turned to combined processes, i.e. processes that combine the tasks of different process st...

Journal: :Automatica 1995
Jay H. Lee Richard D. Braatz Manfred Morari Andrew Packard

Abstrad-Screening tools for control structure selection in the presence of model/plant mismatch are developed in the context of the Structured Singular Value (p) Theory. The developed screening tools are designed to aid engineers in the elimination of undesirable control structure candidates for which a robustly performing controller does not exist. The screening tools are examined on a multi-c...

2007
Paul Darbyshire Bob McKay

Distillations utilize multi-agent based modelling and simulation techniques to study warfare as a complex adaptive system at the conceptual level. The focus is placed on the interactions between the agents to facilitate study of cause and effect between individual interactions and overall system behaviour. Current distillations don’t utilize machine-learning techniques to model the cognitive ab...

Journal: :Physical review letters 2010
Boris Hage Aiko Samblowski James Diguglielmo Jaromír Fiurášek Roman Schnabel

We experimentally demonstrate the two-step distillation of entanglement. The output of a first distillation stage underwent a second distillation step and was made available for subsequent steps. Our experiment displays the realization of the building blocks required for an entanglement distillation scheme that can fully overcome decoherence.

2006
Moinuddin K. Qureshi David Thompson Thomas R. Puzak Yale N. Patt

Cache hierarchies play a very important role in bridging the speed gap between processors and memory. As this gap increases, it becomes increasingly important to intelligently design and manage a cache system. The performance of current caches is reduced because more than half of the data that is brought into the cache is never referenced, resulting in very low utilization. We propose line dist...

2004
R. M. Dragomir M. Jobson

Reactive distillation has received intense attention due to the well known benefits of integrating distillation with reaction in a single unit. While there are procedures available for the synthesis of non-reactive columns and of reaction-separation systems, the design of reactive distillation columns is still a challenge. This work presents a new synthesis and design methodology for reactive d...

2011
Yasuki Kansha Akira Kishimoto Atsushi Tsutsumi

Crude oil distillation (atmospheric distillation column with furnace) consumes about 50% of the energy required in oil refinery plant. To achieve further reduction of the energy required in oil refinery plants, it is required to investigate the crude oil distillation and to retrofit it for energy saving process. Recently, authors developed an innovative process design technology, self-heat recu...

Journal: :Computers & Chemical Engineering 2004
Cristhian Almeida-Rivera Johan Grievink

The residue curve mapping technique (RCM) has been considered a powerful tool for the flow-sheet development and preliminary design of conventional multi-component separation processes. It does not only represent a good approximation to actual equilibrium behavior, but also it allows performing feasibility analysis of separation processes where non-ideal and azeotropic mixtures are involved. Ap...

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