Drying of Organic Solvents: Quantitative Evaluation of the ...

Aug 12, 2010· Drying of Organic Solvents: Quantitative Evaluation of the ... comprehensively cover a wide cross section of drying agents (Burfield and co-workers have already adequately per-formed this task, highlighting problem areas in the process, ... pore size and drying efficiency .

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An Experimental Investigation of Performance and Exergy ...

Sep 17, 2010· An experimental investigation has been carried out to determine the thermal behavior of cooling fluid as it passes through a vortex tube and the effects of the orifice nozzle number and the inlet pressure on the heating and cooling performance of the counterflow type vortex tube (RHVT).

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Improved Energy Efficiency in Paper Making Through ...

results of a survey undertaken in the Finnish paper industry in 1995, in which energy use figures are presented over a range of paper making categories. Finnish energy use is reported to lie in the range 2 MWhr/t to 3 MWhr/t. 1.1 Paper Drying Uses Most of Paper Making Energy to Remove Less than the Last 1% of Sheet Moisture

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GUIDELINES FOR Cleaning and Conditioning Paper Machine ...

Optimum felt and press section runnability depends on maintaining "like-new" felt characteristics for a longer period of time. This can only be accomplished with an effective conditioning program. The type and use of a felt conditioning system has a pro-found effect on the runnability of the felt and the press section of the paper machine.

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Are We Missing Energy Savings in Clothes Dryers?

energy consumption. Section V presents recommendations for saving energy while drying clothes. This includes recommendations for consumers, manufacturers, efficiency advocates, and governmental policy. Dryer Operation The components and construction of dryers are described in .

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Full article: Drying of paper: A review 2000–2018

Apr 04, 2019· Introduction. Worldwide about 410 million tons of paper were produced 2016 [] and notwithstanding the internet era is still increasing year by year. Drying of the paper (printing paper, board, and tissue) is a major step on the paper producing machine requiring large amounts of energy and setting high demands on the quality for the produced paper grades.

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PROCUREMENT PROCESSES AND PERFORMANCE: .

EFFICIENCY AND EFFECTIVENESS OF THE PROCUREMENT FUNCTION Patrick Kakwezi and Sonny Nyeko Kakwezi is a Lecturer in Department of Procurement and Logistics Management.Makerere University Business School, P.O. Box 1337, Kampala, 256 41, Uganda Tel: +256 772 339 019, Fax: + 256 41 4505921, Email: [email protected]

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Papermaking PAPERMACHINE – PRESSING 1. INTRODUCTION

the structure and runnability of the paper and thus the operating efficiency of the machine (Wahlstrom, 1969). The dewatering capacity of a press section and the properties of paper depend on the design and the number of nips. The risk of web breaks is determined by the general design of press section and the arrangement of open draws if any.

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US7767061B2 - Wet/dry crepe swing paper machinery - Google ...

A swing paper machine configured to manufacture both wet crepe paper web having a moisture content of at least 20% and dry crepe paper web having a moisture content less than about 15%. The paper machine includes a Yankee dryer having a paper web positioned thereon, a creping doctor blade configured to remove the paper web from the Yankee dryer as either the wet crepe paper web or the dry ...

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Energy Optimization in the Dryer Section - pulp and paper ...

in the Dryer Section A t today's high cost of energy, optimizing the paper machine dryer section offers one of the greatest returns on capital. More than 75% of the electrical and steam usage by a paper machine is consumed in the drying section. Monitoring, evaluating and controlling this section of both old and new paper machines is imperative.

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Energy and exergy analyses and thermo-economic ...

The results showed that exergy efficiency of the system slowly decreases when ground temperature rises. Moreover, increase in ground temperature reduces exergy efficiency. Dickinson et al. [ 22 ] investigated the economic and environmental optimization .

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Exergy analysis of heating, refrigerating and air ...

Improve and optimize efficiency of HVAC and related energy systems from an exergy perspective. From fundamentals to advanced applications, Exergy Analysis of Heating, Air Conditioning, and Refrigeration provides readers with a clear and concise description of exergy analysis and its many uses. Focusing on the application of exergy methods to the primary technologies for heating, refrigerating ...

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Energy Efficiency Opportunities in a Pulp Drying Machine

The aim of this study is to identify energy saving opportunities in a pulp Drying Machine. It is extremely important to have a focused approach towards energy efficiency improvement of the Pulp Drying Machines, not only because the relative cost of dewatering is the highest but also as it would lead to

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Fulton Systems

Paper Machine Drying Section Performance Audits Fulton Facts No. 1: Venting Costs Thermocompressor Efficiency & Performance Paper Thermocompressors Love 'em or hate 'em Paper Fulton Systems Engineered Equipment Thermocompressors Brochure Thermocompressors Out of Sync Brochure Condensers Brochure Desuperheater Brochure Separator Modules Brochure

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Improved Energy Efficiency in Paper Making Through ...

Energy Use on the Paper Machine • Paper machines use between 50% and 80% of mill energy (when there are no pulp mills on site) • Some of this is electrical energy used in drives and in running vacuum pumps and stock pumps (for moving fluids) • But steam used in drying the sheet is the biggest energy consumer • Water content of the sheet:-when sheet is just formed, 99.1% is water ...

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Steam & Condensate System Improvements

Aug 17, 2012· All pulp, paper, board and the majority of tissue machines have steam and condensate systems. The objective of the steam and condensate system in the paper machine is to provide the steam for the drying. In the dryer section the moisture is evaporated as the sheet is pressed between a fabric and the hot drying cylinder.

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EXERGY, POWER AND WORK IN THE US ECONOMY, 1900-1998

It is usual to define several kinds of exergy, including mechanical exergy, thermal exergy and chemical exergy [Szargut et al 1988]. The first two are more familiarly known as kinetic energy and heat, respectively. They are of interest mainly in mechanical engineering (e.g. machine design). The third is of interest in chemical

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AVAILABLE AND EMERGING TECHNOLOGIES FOR REDUCING ...

efficiency and effectiveness of the sulfite process is also dependent on the type of wood furnish and the absence of bark. For these reasons, the use of sulfite pulping has declined in comparison

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A Case Study on the Drying Performance of Batch Type ...

Abstract: - Batch type fluidized bed drying is one of the most used and successful methods in food, pharmaceutical and chemical industries due to its higher efficiency. For this reason, many studies in lab and industry-scales are continued on fluidized bed drying concept for .

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Exergetic analysis of a continuous Bi-axially Oriented ...

By using exergy analysis method, the magnitudes and locations of exergy destructions (irreversibilities) in the whole system are identified, while potential for energy efficiency improvements is introduced (Hancioglu and Hepbasli, 2007). In the literature, numerous studies on energy and exergy .

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Exergy Efficiency of Paper Machine's Drying Section

dryer section 78%. The dryer section is by far the largest consumer of thermal energy of a paper machine. Rising energy costs are forcing papermakers to pay more attention to energy efficiency, and specially steam usage. Key-Words: - efficiency, exergy, drying section, drying cylinder, heating battery 1. Introduction

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Energy and exergy analyses and thermo-economic ...

The results showed that exergy efficiency of the system slowly decreases when ground temperature rises. Moreover, increase in ground temperature reduces exergy efficiency. Dickinson et al. [ 22 ] investigated the economic and environmental optimization .

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biocombustibles.pdf | Corn Ethanol | Exergy

Abstract — A method is described to quantify the renewability of a biofuel, namely ethanol produced from corn. In the presentation, the ideal CO 2 –glucose–ethanol cycle is considered to show that exergy can be potentially produced through the harnessing of natural thermochemical cycles. Then exergy accounting is used to evaluate the departure from ideal behavior caused by non-renewable ...

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Drying of Organic Solvents: Quantitative Evaluation of the ...

Aug 12, 2010· Drying of Organic Solvents: Quantitative Evaluation of the ... comprehensively cover a wide cross section of drying agents (Burfield and co-workers have already adequately per-formed this task, highlighting problem areas in the process, ... pore size and drying efficiency .

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PROCUREMENT PROCESSES AND PERFORMANCE: .

EFFICIENCY AND EFFECTIVENESS OF THE PROCUREMENT FUNCTION Patrick Kakwezi and Sonny Nyeko Kakwezi is a Lecturer in Department of Procurement and Logistics Management.Makerere University Business School, P.O. Box 1337, Kampala, 256 41, Uganda Tel: +256 772 339 019, Fax: + 256 41 4505921, Email: [email protected]

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Exergy Analysis of Heat Recovery Steam Generator: Effects ...

According to the exergy analysis performed in the current study, the exergy efficiency of HRSG is about 80% which means 20% of flue gas exergy (entering HRSG) is dissipated by HRSG destruction (∼14%) and stack exergy loss (∼6%). The stack exergy loss drops continuously as supplementary firing raises.

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Exergy Analysis of Single Array Wind Farm Using Wake Effects

The influence of wake parameters on the exergy analysis of single array wind farm is studied in this paper. Key parameters which influence wake effects in a wind farm are wind velocity, tip speed ratio, number of blades, rotor speed, rotor diameter and hub height. Three different models namely power, wake and exergy model were used in estimating the exergy efficiency of the single array wind farm.

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Roll covers in the paper machine Press section

Voith Paper can optimize dewatering with appropriate roll cover surface design by means of a specific nip calculation program. It has proven significant success, such as an increase in dry content and machine speed and elimination of shadow markings. Modern press section

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Paper Making Machine With High Productivity

End Step: Drying Part of Paper Manufacturing Equipment: Through heater drying machine, you can get dry paper. The Categories of Paper Manufacturing Machine: According to shape of net, paper making equipment can be divided into fourdrinier paper machine and cylinder mould paper machine. The fourdrinier machine was made in 1803.

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An Overview on Application of Exergy and Energy for ...

Feb 05, 2012· The main objective of this work is to give an overview of the different used mathematical methods for modeling and calculating the energy and exergy efficiency of a solar drying system. For determination of the energy efficiency of thin or thick layers, heat and mass balances are established to the different components. In the case of thick layers equations of porous media are used.

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Notice of Improvement in Earnings Capacity of a ...

Packaging aims to improve the quality of paper board, including printability, and production efficiency by upgrading the dry end processes of paper board machine on the same occasion. 2. Construction Outline Amount About 11,500 million yen in total The shift in packaging material to paper has become a global trend in recent years.

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