Results 11 to 20 of about 538,368 (282)

Ethane-Ethylene Rectification Column’s Parametric Examination

open access: yesChemical Engineering Transactions, 2018
Ethylene is one of the most important product in chemical industry, then it is required to produce ethylene in large quantity. The ethane-ethylene separation is achieved by high pressure cryogenic distillation in a rectification column.
Viktoria Kallai   +3 more
doaj   +2 more sources

Pressure-compensated temperature control in rectification column [PDF]

open access: yesCHEMISTRY AND CHEMICAL ENGINEERING, 2020
The focus of this work is to study the control of a rectification column (RC) for separating n-butane (nC4) and n-pentane (nC5) mixtures. Two control structures based on conventional temperature control (TC) and pressure-compensated control (PTC) structures are studied and compared using Aspentech software.
Norkobilov Adham   +3 more
core   +4 more sources

STUDY OF THE EFFICIENCY OF SEPARATION BY RECTIFICATION IN A LABORATORY COLUMN

open access: yesInternational Journal of Advanced Research, 2022
Rectification is one of the most complex energy and metal-intensive chemical and technological processes that have a strong influence on the quality of commodity products, the economy and ecology of production. It is a major process in the petrochemical and oil processing industries and its main apparatuses, rectification columns, are part of common ...
Mariana Karaivanova
openaire   +3 more sources

Development of control system of isopentane-isoamylene fraction rectification column using neural network [PDF]

open access: yesE3S Web of Conferences
This article presents the development of a neural network control system of a distillation column for the separation of isopentane-isoamylene fraction in order to increase the efficiency of control of rectification processes using intelligent ...
Muravyova Elena   +2 more
doaj   +2 more sources

Use of numerical modeling methods in desing of combined rectification column [PDF]

open access: yesMATEC Web of Conferences, 2019
The article is devoted to the study of methods for modeling the operation of rectification columns using the HYSIS application software package. Such studies are very important not only for design, but also for the functioning of existing industries. The
Ibragimova Ramilya   +3 more
doaj   +2 more sources

Calibration and rectification of vertically aligned binocular omnistereo vision systems

open access: yesEURASIP Journal on Image and Video Processing, 2017
Omnidirectional stereo vision systems have been widely used as primary vision sensors in intelligent robot 3D measurement tasks, which require stereo calibration and rectification.
Chengtao Cai   +3 more
doaj   +2 more sources

Comparison of heat input for rectification at various states of the initial binary mixture [PDF]

open access: yesТонкие химические технологии, 2012
Comparison of heat input for rectification at various states of the initial binary mixture was carried out. It is shown that the total heat input for rectification is minimal at a column feed of the initial mixture lower than its boiling point.
K. M. Zakharov, Mohand Abbasi
doaj   +1 more source

Energy-Saving in Brew-Rectification

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2008
The paper investigates dynamics of rectification process on one plate of a column. The basic channels controlling brew-rectification process are described in the paper.The paper also considers problems pertaining to synthesis of an adaptive system that ...
N. I. Ulyanau, I. F. Kuzmitskii
doaj   +1 more source

Entropic estimation of rectification binary mixes at various variants of process computation.

open access: yesТонкие химические технологии, 2008
Optimization of power supply level of a two-unit rectification column on preproject stage of development unit of division indissolubly is connected to used process computation variant, which the certain set of explanatory variables answers.
A. K. Frolkova, L. A. Hahin
doaj   +1 more source

Electrical rectification from aligned diodesbased on the donor-(π-bridge)-acceptor molecules [PDF]

open access: yes, 2007
As traditional devices containing silicon transistors begin to approach their physical limits, new systems composed of organic molecules are being considered for molecularscale devices of the future.
Chwialkowska, Anna
core   +7 more sources

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