Shortcut Methods for Complex Distillation Columns: Part 1 -Minimum Reflux This two-part paper presents in detail the theory for calculating via shortcut methods the minimum reflux conditions and the number of stages and feed tray location for ordinary and thermally coupled columns. Nonadjacent key components are permitted. In this paper, part 1, the approximations made to estimate minimum reflu...

E nergy costs are the largest percentage of a hydrocarbon plant’s operating expenditures. This is especially true of the distillation process, which requires substantial energy consumption. Concerns over recent high costs and economic pressures continually emphasise the need for efficient distillation design and operation without a loss of performance. This article illustrates how energy-effici...

Beyond the complexity of CNNs that require training on large annotated datasets, domain shift between design and operational data has limited adoption in many real-world applications. For instance, person re-identification, videos are captured over a distributed set cameras with non-overlapping viewpoints. The source (e.g. lab setting) target cameras) domains may lead to significant decline rec...

Syzygium aromaticum L. is an aromatic plant with a significant amount of essential oil (EO), which used in food, medicine, for flavoring, and the fragrance industry. The purpose this study was to comparatively evaluate chemical composition, yield, antioxidant antifungal activities oils extracted by conventional hydro-distillation, steam distillation, emerging superheated distillation methods. I...

The essential oils are frequently used in food processing industry, perfumery, cosmetics and pharmaceuticals. Most of the oils obtained by steam distillation and water distillation. It is necessary to specify the best conditions of essential oils production to get much more major compound(s) and higher yield oil. So, fennel oil was selected in this study. The objective of this work was to ident...

the genus ocimum l. belonging to family of lamiaceae is widely distributed in iran, ocimum sanctum l. is described in many medicinal properties and a wide therapeutic range. it is used specially in the management of cough, ashtma, fever and common cold. in this research, samples were collected from shahr-e-rey, on august 2013, then essential oils were extracted by  hydro-distillation and steam ...

Deep neural networks (DNNs) continue to make significant advances, solving tasks from image classification to translation or reinforcement learning. One aspect of the field receiving considerable attention is efficiently executing deep models in resource-constrained environments, such as mobile or embedded devices. This paper focuses on this problem, and proposes two new compression methods, wh...

Recently, Lucia et al. have used a distillation line method to develop the concept of shortest stripping line distance approach to minimum energy designs of distillation columns and multiunit processes. It is well known that distillation line methods can be very sensitive to specified product compositions. A two-level distillation design procedure is proposed for finding portfolios of minimum e...