Gas separation process: analysis of composite membranes based on alumina/PVDF at lower power consumption energy

A novel low-power and high-speed D flip-flop is presented in this letter. The flip-flop consists of a single low-power latch, which is controlled by a positive narrow pulse. Hence, fewer transistors are used and lower power consumption is achieved. HSPICE simulation results show that power dissipation of the proposed D flip-flop has been reduced up to 76%. The operating frequency of the flip-flop is also greatly increased.

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Holistic review on the recent development in mathematical modelling and process simulation of hollow fiber membrane contactor for gas separation process

Journal of Industrial and Engineering Chemistry ◽

10.1016/j.jiec.2021.08.028 ◽

2021 ◽

Author(s):

E.L.H. Ng ◽

K.K. Lau ◽

W.J. Lau ◽

Faizan Ahmad

Keyword(s):

Mathematical Modelling ◽

Gas Separation ◽

Hollow Fiber ◽

Process Simulation ◽

Hollow Fiber Membrane ◽

Separation Process ◽

Membrane Contactor ◽

Fiber Membrane ◽

Holistic Review

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Blends of Fluorinated Additives with Highly Selective Thin-Film Composite Membranes to Increase CO2 Permeability for CO2/N2 Gas Separation Applications

Industrial & Engineering Chemistry Research ◽

10.1021/acs.iecr.6b02167 ◽

2016 ◽

Vol 55 (30) ◽

pp. 8364-8372 ◽

Cited By ~ 10

Author(s):

Joel M. P. Scofield ◽

Paul A. Gurr ◽

Jinguk Kim ◽

Qiang Fu ◽

Sandra E. Kentish ◽

...

Keyword(s):

Thin Film ◽

Gas Separation ◽

Composite Membranes ◽

Film Composite ◽

Thin Film Composite

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Exergy Analysis of a Novel Cryogenic Concept for the Liquefaction of Natural Gas Integrated Into an Air Separation Process

Volume 6A: Energy ◽

10.1115/imece2016-67221 ◽

2016 ◽

Author(s):

S. Tesch ◽

T. Morosuk ◽

G. Tsatsaronis

Keyword(s):

Natural Gas ◽

Power Consumption ◽

Exergy Analysis ◽

Primary Energy ◽

Separation Process ◽

Air Separation ◽

Total Power ◽

Separation Unit ◽

Total Power Consumption ◽

Liquefaction Temperature

The increasing demand for primary energy leads to a growing market of natural gas and the associated market for liquefied natural gas (LNG) increases, too. The liquefaction of natural gas is an energy- and cost-intensive process. After exploration, natural gas, is pretreated and cooled to the liquefaction temperature of around −160°C. In this paper, a novel concept for the integration of the liquefaction of natural gas into an air separation process is introduced. The system is evaluated from the energetic and exergetic points of view. Additionally, an advanced exergy analysis is conducted. The analysis of the concepts shows the effect of important parameters regarding the maximum amount of liquefiable of natural gas and the total power consumption. Comparing the different cases, the amount of LNG production could be increased by two thirds, while the power consumption is doubled. The results of the exergy analysis show, that the introduction of the liquefaction of natural gas has a positive effect on the exergetic efficiency of a convetional air separation unit, which increases from 38% to 49%.

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Single-Electron Memories

VLSI Design ◽

10.1155/1998/83017 ◽

1998 ◽

Vol 8 (1-4) ◽

pp. 219-223 ◽

Cited By ~ 2

Author(s):

Christoph Wasshuber ◽

Hans Kosina ◽

Siegfried Selberherr

Keyword(s):

Power Consumption ◽

Room Temperature ◽

State Of The Art ◽

Memory Cell ◽

Single Electron ◽

Lower Power ◽

Memory Chip ◽

Single Electronics ◽

Background Charge ◽

Random Background

One of the most promising applications of single-electronics is a single-electron memory chip. Such a chip would have orders of magnitude lower power consumption compared to state-of-the-art dynamic memories, and would allow integration densities beyond the tera bit chip.We studied various single-electron memory designs. Additionally we are proposing a new memory cell which we call the T-memory cell. This cell can be manufactured with state-of-the-art lithography, it operates at room temperature and shows a strong resistance against random background charge.

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Optimization of Power Consumption for the Design of 802.11n MIMO_OFDM System

Journal of University of Babylon for Engineering Sciences ◽

10.29196/jub.v26i4.795 ◽

2018 ◽

Vol 26 (4) ◽

pp. 172-184

Author(s):

Muthna Jasim Fadhil

Keyword(s):

Power Consumption ◽

Orthogonal Frequency Division Multiplexing ◽

High Speed ◽

Mimo Systems ◽

Total Power ◽

Wireless System ◽

Generator System ◽

Total Power Consumption ◽

Consumption Energy ◽

High Reduction

In modern systems communication, different methods have been improved to change the prior imitative techniques that process communication data with high speed. It is necessary to improve (OFDM) Orthogonal Frequency Division Multiplexing technique because the development in the guideline communication of wireless system which include security data and transmission data reliability. The applications communications of wireless is important to develop in order to optimize the process of communication leads to reduce the level consumption energy of the output level signal. The architecture of VLSI is used to optimize the performance transceiver in 802.11 n OFDM-MIMO systems, this idea concentrate on the design of 6x6 MIMO_OFDM system in software simulink of MATLAB then using generator system for transfer to code of VHDL and applying in FPGA Xilinx Spartan 3 XC3S200 . The modelsim used to get the simulation while Xilinx power estimator is used to calculate power. The results registered total power consumption about 94mW while compared with previous work was 136mW which means a high reduction of about 30.8% .

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