Heat Exchanger Fouling Mitigation And Cleaning Techniques Pdf


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heat exchanger fouling mitigation and cleaning techniques pdf

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fouling in heat exchanger pdf

The formation of process-related deposits on the heat transfer surfaces is probably the least understood phenomenon in heat exchangers, causing severe problems in design and operation of the equipment. In recent years, the importance of this phenomenon has received further attention due to the increasing cost of energy, climate changes as a result of energy conversion processes, technical advancement requiring more efficient thermal management, and changes in the nature of feed materials, such as:.

Nevertheless, present design procedures still involve massive uncertainties. The predictions of fine-tuned correlations and computer models for clean heat transfer coefficients need to be corrected by crudely estimated fouling resistances. Models for the prediction of fouling rates can only be applied to a very limited number of idealised deposition processes.

In contrast, efficient mechanical and chemical fouling mitigation and cleaning techniques have found their way into regular plant operation through a mainly empirical trial and error approach. These anti-fouling strategies have few or even no links to academic research findings, since industry and academic research institutions have traditionally approached the problem of fouling from different aspects, and there has not been enough interaction and exchange of information. Bi-yearly conferences on heat exchanger fouling have been organised by Engineering Conferences International previously United Engineering Foundation since , with the aim to bridge the gap between the two communities.

These meetings provide an opportunity for experts from industry, academia and government research centres from around the world to present their latest research and technological developments in the areas of fouling mitigation and cleaning technologies. They involve overview presentations, technical papers, poster sessions, and panel discussions. The aim of this conference was to facilitate innovative thinking and to explore new theoretical and practical approaches to address the tremendous challenges due to fouling of heat exchangers.

The conference attracted representatives from a wide range of universities, research institutes and companies and hence was able to provide participants with excellent technical presentations and a very conducive environment for personal discussions. The next Engineering Conferences International meeting on heat exchanger fouling will be held in Canada in May More information will soon be available at:.

The following papers have been presented and recommended for publication in the final conference proceedings, after a careful refereeing and revising process. The proceedings cover various aspects of heat exchanger fouling along with updated state-of-art fouling mitigation and cleaning strategies.

The present e-proceedings as well as those from the previous conference in can be obtained free of charge from the following homepage of Engineering Conferences International Symposium Series:. A limited number of hardcopies of the fouling conference proceedings Davos, Switzerland can still be purchased from Dr Malayeri, see below. The conference chairs and scientific secretary wish to thank everybody who contributed towards the conference and the conference proceedings, i.

Conference Scientific Secretary M. Reza Malayeri University of Stuttgart Germany m. Paul Watkinson Article. Polley, D. Wilson, S. Pugh, and E. Petitjean Article. Wilson, G. Polley, and S. Pugh Article. Saleh, R. Sheikholeslami, and A. Nesta and C. Bennett Article. Lancefield Article. Hays, Edward S. Beardwood, and Steven J. Colby Article. Ramachandra, S. Wiehe, M. Hyland, X. Chen, and B. Bansal Article. Rosmaninho, G. Rizzo, H. Melo Article. Zhao, Y. Liu, C. Wang, S. Wang, and Hans M.

Cossaboom and D. Lister Article. Abd-Elhady, C. Rindt, J. Wijers, and A. Ayadi, T. Benezech, F. Chopard, M. Berthou, and J. Leuliet Article. Falconer, William R. Paterson, and D. Wilson Article. Bode, R. Hooper, W. Augustin, William R. Paterson, D. Wilson, and S. Scholl Article. Celnik, M. Patel, M. Pore, F. Brahim, W. Augustin, S. Scholl, D. Scott, and D. Heinzel, A. Jianu, and H.

Sauter Article. Kockmann, M. Engler, and P. Woias Article. Benzinger, U. Schygulla, M. Schubert Article. Klaren, E. Sullivan Article. Klaren and E. Kreuger Article. Taler and D. Taler Article. Korbee, M. Losurdo, J. Lensselink, M. Cieplik, and F. Verhoeff Article. Reza Malayeri and Hans M. Lecoeuche and S. Lalot Article. Casanueva-Robles and T.

Novel Methods to Mitigate Heat Exchanger Fouling

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mitigation techniques of fouling are harsh to the environment. measure to clean off the deposits from heat exchanger surfaces to provide.


Heat Exchangers Fouling, Cleaning, and Maintenance

The last six terms have a more narrow meaning than fouling within the scope of the fouling science and technology, and they also have meanings outside of this scope; therefore, they should be used with caution. Keywords: heat exchanger, fouling, fouling mitigation, green technology, cleaning of heat exchangers 1. Only the pulse echo technique yielded promising results. The loss of heat duty is extreme if local heat transfer coefficients are high at clean conditions.

Hans Muller-steinhagen - Heat Exchanger Fouling: Mitigation And Cleaning Techniques Icheme

The formation of process-related deposits on the heat transfer surfaces is probably the least understood phenomenon in heat exchangers, causing severe problems in design and operation of the equipment. In recent years, the importance of this phenomenon has received further attention due to the increasing cost of energy, climate changes as a result of energy conversion processes, technical advancement requiring more efficient thermal management, and changes in the nature of feed materials, such as:. Nevertheless, present design procedures still involve massive uncertainties. The predictions of fine-tuned correlations and computer models for clean heat transfer coefficients need to be corrected by crudely estimated fouling resistances. Models for the prediction of fouling rates can only be applied to a very limited number of idealised deposition processes.

Fouling is the accumulation of unwanted material on solid surfaces. The fouling materials can consist of either living organisms biofouling or a non-living substance inorganic or organic. Fouling is usually distinguished from other surface-growth phenomena in that it occurs on a surface of a component, system, or plant performing a defined and useful function and that the fouling process impedes or interferes with this function. Other terms used in the literature to describe fouling include deposit formation, encrustation, crudding, deposition, scaling, scale formation, slagging, and sludge formation. The last six terms have a more narrow meaning than fouling within the scope of the fouling science and technology, and they also have meanings outside of this scope; therefore, they should be used with caution. Fouling phenomena are common and diverse, ranging from fouling of ship hulls, natural surfaces in the marine environment marine fouling , fouling of heat-transfer components through ingredients contained in cooling water or gases, and even the development of plaque or calculus on teeth or deposits on solar panels on Mars, among other examples.


production, maintenance and cleaning for major refinery units and excluding cost of from operating heat exchangers and fouling deposits created in laboratory mitigation techniques that involve modifications of heat transfer surfaces.


Heat Exchangers Fouling, Cleaning, and Maintenance

4 Comments

Joe M.
11.05.2021 at 16:09 - Reply

Request PDF | Heat Exchanger Fouling: Mitigation and Cleaning Many mitigation and cleaning techniques that have found their way into.

Melvin C.
13.05.2021 at 14:55 - Reply

cleaned sufficiently. Off-line chemical cleaning is a technique that is used very frequently to clean exchangers. Some refineries and chemical.

James S.
16.05.2021 at 12:40 - Reply

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Churchdoutremo
18.05.2021 at 21:56 - Reply

The fouling of heat exchangers may be defined as the accumulation of unwanted deposits on heat transfer surfaces.

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