Experts in filtration and separation

We advance and disseminate knowledge in the design and use of filtration and separation techniques in industry, commerce and other walks of life.

2009 Abstracts from the FILTRATION journal

Use the links below to view abstracts from FILTRATION volume 9:

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Previous winners of the Gold Medal

2014 – Miko Huhtanen, Antti Häkkinen, Bjarne Ekberg and Juha Kallas – Software for Statistical Design of Experiments and Empirical Modelling of Cake Filtration

2011 – P.Pirkonen, H. Setala, H. Kyllonen, J. Sarlin, K. Salo, H. Tenhu and P. Ruuskanen – Thermal stimuli controlled functional filter cloth for liquid filtration

2008 – T. Sobisch, D. Lerche, T. Detloff, M. Beiser and A. Erk –  Tracing the centrifugal separation of fine-particle slurries by analytical centrifugation

2005 –  W. Ruziwa, N. Hanspal, A. Waghode, V. Nassehi and R.J. Wakeman –  Computer modelling of pleated cartridge filters for viscous fluids

2003 – O. Gundogdu, M.A. Koenders, R.J. Wakeman and P. Wu –  Permeation with vibrated media: Experiments and modelling

2001 – O. Larue, T. Mouroko-Mitoulou and E. Vorobiev – Filtration, cake washing and pressurised electroosmotic dewatering of a highly conductive silica suspension

1997 – E.S. Tarleton and D.L. Hancock – Imaging of filter cakes through electrical impedance tomography

1995 – W. Höflinger, C. Stöcklmayer and A. Hackl – Model calculation of the compression behaviour of dust filter cakes

1993 – R.J. Wakeman and E.S. Tarleton – Solid/liquid separation equipment simulation and design: An expert systems approach

1993 – K. Morris – Expert system control of fabric filters

1991 – P. Gang and F. Löffler – Combined separation and retainment of particulate and gaseous matter with cleanable filters

1988 – C.A. Smolders and G.B. van den Berg – Flux decline in membrane processes

1986 – D. Houi and R. Lenormand – Particle accumulation at the surface of a filter

1983 – S. Sembi and K.J. Ives – Optimisation of size-graded water filters

1980 – F. Löffler and G. Schuch- Wet scrubber design

1978 – F.M. Tiller and K.S. Chang – Delayed cake filtration

1976 – A. Rushton – Liquid-solid separation: Recent research evaluated

1974 – D.B. Purchas – One hundred years of the rotary vacuum filter

1972 –  R.D. Gwilliam – Development of the E.C.C. tube filter press

1970 – E.R. Baumann and C.S. Oulman – Polyelectrolyte coatings for filter media

1968 – R.S. Gale – Some aspects of the mechanical dewatering of sewage sludges

1966 – J. Murkes – How to precalculate the result of centrifugal separation

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Previous winners of the Suttle Award

2014 – K. Chellappah – Quantifying changes in filter cake structure during an abrupt change
2009 – J. Robinson – Nanofiltration – A method of solute removal from liquid hydrocarbons
2005 – Christian Johansson – Measuring concentration and pressure profiles in deadend filtration
2000 – S. Reymann – The intermediate stage of the dead-end filtration process: New insights
1998 – A. Burgoyne and M.M. Vahdati – Permeate flux modelling of membrane distillation
1996 – D.C. Walsh – Recent advances in the understanding of fibrous filter behaviour under solid load
1994 ** N. Jackson – A model to simulate the structure and performance of cellular polymeric membranes: Structure, flux and filtration characteristics
1991 – C.J. Williams – Testing the performance of spool wound cartridge filters
1988 – E.S. Tarleton – The influence of electric fields and ultrasound on the membrane filtration of aqueous colloidal suspensions
1984 – R.G.J. Edyvean and A. Sneddon – Filtration of plankton from seawater
1981 – M. Mcinnerney – Magnetic permeability and the rotary magnetic drum separator
1979 – G. Broom – Adhesion of particles in fibrous air filters
1975 – A.C. Payatakes – Air filter efficiency
1973 – J.E. English – New approach to the mechanics of sieving and screening
1971 – R.J. Wakeman – Prediction of the washing performance of drained filter cakes

** 1994 Suttle Award. Special commendation certificate also presented to I.G. Wenten.

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Contact us

The Filtration Society has a strong membership base, and Council considers it important that it represents the views and wishes of the Society’s members.

Council members are always pleased to receive ideas and suggestions for future events or initiatives. You are invited to send the Society your comments and suggestions as to how it can better meet your needs.

Email: steve.tarleton@ntlworld.com
Telephone: +44 (0) 1530 469174
Fax: +44 (0) 1530 382038

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Application form

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Membership

You can now join The Filtration Society or renew your membership online. Please use the links on this page. Once you have completed the details on the membership page you will then be redirected to our secure payment system where you can pay for your membership online by credit or debit card securely.

As a charitable, non-profit organisation, The Filtration Society exists to advance and disseminate knowledge in the design and use of filtration and separation techniques and keep its Members and Corporate Associates up to date with developments.

In addition to the tangible benefits listed below, all individual members have the opportunity to network with like minded individuals and enhance their technical understanding.

Membership of The Filtration Society is at two levels, Individual and Student/Retired.

INDIVIDUAL MEMBERSHIP

This grade of membership is open to all individuals who have an interest in filtration and separation. Annual subscription £110 (tax deductible in the UK). Benefits include::

  • Quarterly issues of FILTRATION, the international journal for filtration and separation. FILTRATION details Society news and events, industrial news and developments, technical papers and other articles of interest as well as new and original refereed research papers that cover the broad field of filtration, separation, clarification, dust control and related processes
  • Reduced registration at all Society technical meetings
  • A 50% discount on the Elsevier magazine Filtration and Separation and a 15% discount on other Elsevier Advanced Technology publications within the filtration and separation cluster.
  • A 12.5% discount on ‘The Dictionary of Filtration and Separation’ and ‘Filter Design Software’. See the Filtration Solutions website for details.

Join or renew your membership online now.

Alternatively you can join the Society as an Individual Member using the forms below:

STUDENT (AND RETIRED) MEMBERSHIP

The student grade of membership is open to bona-fide undergraduate and postgraduate students. The retired membership is open to previous members of the Filtration Society who have now retired (Annual subscription £55). The benefits are the same as for members but include a concessionary registration rate for Society meetings.

Join or renew your membership online now.

Alternatively you can join the Society as a Student/Retired member using the forms below:

The Society also offers Corporate Association, a way for industry, commercial and research organisations and universities to become involved with the many activities of the Society.

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Awards information

As well as acting as a focal point for the dissemination of knowledge in filtration and separation, the Society also has an established Trust Fund, the income from which is used to present regular awards for distinguished work.

The Gold Medal is the most prestigious award of the Society and is given for the most notable technical contribution to the Society during a two year period. A submitted work must be original and all categories, for example, review papers and industrial or academic papers are eligible.

The Suttle Award, named after the first Chairman of the Society, Harold K. Suttle, is given in recognition of the achievements of younger workers in the field of filtration and separation.

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Gold Medal information

The Gold Medal is the most prestigious award of The Filtration Society, awarded for the most notable contribution to the proceedings of The Society during a two year period.

HOW TO ENTER

All written papers that are either presented at a Society meeting or published in FILTRATION, the Society’s official journal, are automatically considered for the Gold Medal Award.

RULES OF ENTRY

  • To encourage the advancement of knowledge in filtration and separation the Society awards every two years a Gold Medal to the person presenting in the Award period the most meritorious paper on particle/fluid separation or a related topic.
  • The Award period is the two years prior to 30 June in the presentation year. Only written papers presented orally to the Society’s meetings, or to a meeting sponsored by the Society or papers published in the Journal of The Filtration Society or the Transactions of The Filtration Society are eligible for the award.
  • The papers must be original and not have been previously published or considered for the Award. It is not necessary for the subject matter to be based on the author(s) own original research; all categories of paper, for example, review papers and industrial or academic papers are eligible for consideration.
  • The papers will be judged by an Adjudication Committee whose decision will be final.
  • The Adjudication Committee will be selected by the Council of the Society and will comprise people who are pre-eminent in the topics of particle/fluid separation.
  • If in the opinion of the Adjudication Committee, no paper reaches the required standard no Award shall be made.
  • If there is more than one paper considered to be of equal merit then special arrangements will be made for the presentation of the Award.
  • The Award will normally be announced at the Annual General Meeting of the Society in the presentation year and presented at the Annual Dinner.
  • Members of the Adjudication Committee at the time of adjudication are not eligible to receive the Award.
  • The Society reserves the right to publish the Award winning paper.
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Suttle Award Information

This award is named after the Founder-Chairman of the Society, Harold K. Suttle, in recognition of the encouragement he always gave to younger workers in the field of filtration and separation. The award consists of a certificate and a prize of £500.

HOW TO ENTER

Papers conforming to the rules of entry should be sent to the Secretary of the Society along with the appropriate paperwork (see below). Qualifying authors who submit an abstract and subsequently present their work at a Society technical meeting are invited to submit a full paper conforming to the rules of entry. Suitable papers should be sent to the Honorary Secretary.

E-mail: steve.tarleton@ntlworld.com

RULES OF ENTRY

  • The author(s) must be under 31 years of age at the date of submitting his/her paper. In the case of co-authorship, certificates will be given to each author and the cash value of the award will be divided between them.
  • The subject of the paper must lie in the broad field of particle/fluid separation.
  • The paper must be original and not have been published previously. It is not necessary for the subject matter to be based on the author(s)’s own original research; all categories of paper, for example, review papers and industrial or academic papers are eligible for consideration.
  • Papers submitted to the Society, and which will normally have been presented orally at a Society meeting, in the 2 years prior to 30 June in the presentation year may be eligible for the Award.
  • The paper should not normally exceed 3,000 words and must be in English. It should be headed with the title, name(s) and affiliation(s) of the author(s), with an abstract of no more than 80 words and up to 5 appropriate keywords.
  • The paper must be accompanied by a separate letter giving the author(s) name, address, birth date, a declaration of original authorship and a statement that the author(s) agree to the Rules governing the Award.
  • Previous winners of the Award and members of Council shall be ineligible.
  • Papers will be judged by a Panel of Adjudicators established by the Council of the Society. The technical or scientific content of the written paper and its significance to the broad field of particle/fluid separation will be assessed.
  • If after having selected the award winning paper(s) there are other papers considered to be particularly meritorious these will be recognised by the award of Certificates of Commendation.
  • The Adjudicators reserve the right not to make an Award.
  • The decision of the Adjudicators is final.
  • By agreeing to these Rules the author(s) assign Copyright of the paper to The Filtration Society. The Society reserves the right to publish the Award winning paper(s) and any other papers that the Panel of Adjudicators consider to be of sufficient merit.
  • The Award will normally be presented at the Annual Dinner of the Society, usually in the autumn of the presentation year.
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2010 Programme  

4 February 2010 – Reducing the Carbon Footprint of Filtration
Runcorn, UK

In spite of the weather over 30 delegates attended the one day international technical meeting held at The Heath Conference Centre at Runcorn. With speakers and delegates from as far away as Germany and Finland reflecting the interest in “how filtration technology can reduce its own carbon footprint” the opening speaker Stephen Taylor from the Environment Agency set the scene by not only outlining the legislative requirements but also how the agency was proactively working with industry to get the best performance and best value out of technology.

Bjarne Ekberg from Larox had travelled a long way from Finland to set a high bar by describing how their “Capillary Action Filters” had reduced the installed power requirement by a staggering 99% compared with existing processes.

The last paper of the morning session was presented by Andrea Smith from Chemviron Carbon Cloth Division. She described how a “Catalytic VOC Destruction Process” had not only reduced the environmental impact of VOC’s but also saving over 80% energy compared with alternative technologies.

After a hectic lunch involving numerous discussions between delegates and speakers the first paper of the afternoon was presented by Andrew Startin from Clear Edge Filtration.  His paper “Optimising Resource Utilisation with Catalytic Filter Elements” compared their performance with conventional fabric bag filters and electrostatic precipitators to show that significant savings in energy and other resources as well as reduced construction costs were achievable.

Dr Gernot Pranghofer representing W. L. Gore & Associates GmbH systematically went through their “High Efficiency ePTFE Membranes in Air Pollution Control Systems” detailing how the technology had lower energy and reagent consumptions resulting in a whole life cost way below competitor processes.  He also drew everyones attention to what is probably the most inefficient use of energy in manufacturing industry – compressed air delivery networks – where typical losses are in the range of 30 to 40% –  Industry take note!

The final paper was presented by David Dubbin from GEA Process Engineering who in his spare time is also current Chairman of “The Filtration Society”.  His paper “Maximising Powder Recovery / Minimising Environmental Impact with CIP’able Bag Filters” elegantly demonstrated how their technology not only reduced energy and environmental impact but dramatically increased the yield thereby turning loss into profit!

By the end of the proceedings there was no doubt the authors had demonstrated  they had “Reduced the Carbon Footprint of Filtration” and if their lead were followed by engineers and scientists at large then the challenge of global warming would be overcome.”

11 May 2010 – Sludge: Asset or Waste
Runcorn, UK

Sludges – thick suspensions of fibrous solids, usually organic in nature, in liquids (usually water) – need to be processed before recycle or disposal. This processing will normally involve reducing the amount of liquid associated with the solids (dewatering), so that they can be more efficiently treated if they are to be used as a source of valuable materials, i.e. for their asset value to be recovered. The alternative to recovery is usually disposal, and processing is then required to reduce the water content so that the sludge takes up less space in a landfill, or can be thermally treated, by incineration with energy recovery, for example, leaving only an ash for final disposal.

The main process is thus a dewatering step, using a filter press or centrifuge, to produce a much thicker sludge, or paste, but there may well be a step ahead of dewatering, such as digestion, to reduce sludge quantities (and recover some of the energy content), or a step after water removal, to make the thick sludge more useful or more easily handled, en route to disposal.

This conference is largely concerned with sludge dewatering. It looks at the effect of sludge properties on the dewatering process, and describes improvements in the equipment used for dewatering. If the original sludge does not contain recoverable solid components, then it will be a valuable energy source at the treatment works, or when transformed into a marketable solid fuel. The dewatering process is the key to the economic recovery of the values actually present in the original sludge.

22 June 2010 – Technical visit to Baxter Healthcare
Liverpool

From the filtration perspective this new pharmaceutical facility built in accordance with cGMP is fascinating, incorporating many and varied unit operations, for product isolation, purification and bacterial removal along with a waste recovery system. The utilities use a purified water plant based upon membrane technology. Air filtration in the facility includes HEPA filtration before the drying plant and bag filters after the plant for powder recovery and environmental protection.

14 September 2010 – Technical Visit – AstraZeneca, Macclesfield

Macclesfield is the 2nd largest Manufacturing and Supply site in the AstraZeneca network, covering around 100 acres and employing approximately 1000 employees. The site supplies products for all of AstraZeneca’s therapy areas, and currently sources 130 markets worldwide. In addition to manufacturing and supply, the Macclesfield site houses a number of important process R&D facilities. These include the £60m investment of a new laboratory building which was completed in 2009.
Specifically the visit to AstraZeneca Macclesfield will provide an overview of the two sterile manufacturing plants which manufacture the product Zoladex which is used in the treatment of breast and prostate cancer. Zoladex was first manufactured in 1987 and due to the fact that the product is not orally available it was designed to be taken a parenteral form. In addition the product could not be terminally sterilised which resulted in the need to develop a fully sterile manufacturing environment.
The tour will focus on the maintenance aspects of the sterile manufacturing facility to maintain suitable conditions as well as the techniques and procedures involved in filtration systems used to protect the product and environment.

12 October 2010 – Short course
13 October 2010 – Filter testing
Chester, UK

The Filtration Society’s Filter Testing bi-annual international conference and exhibition is one of the most attended events promoted by the Society and this year is no exception.  By popular demand, the main one-day event will be preceded by a short course and workshop.

The short course will introduce all the fundamental principles of filter testing in a relaxing and non threatening way where delegates will have plenty of time to ask some of the questions that might be withheld in a more formal lecture environment.

The introductory session will give an overview of the need for testing and differentiate between media testing and filter system testing in both wet and dry applications.  In addition, the fundamental mechanisms of filtration and the classification of filter media will be covered.  Most importantly, the selection criteria for a filtration process will be discussed.  This is such an important subject because so much money can be lost by using inappropriate filter systems.

Having established the generic filter most suitable for a given application, the various tests for performance, such as porosity, pore size, dirt holding capacity and integrity testing will be discussed.  Integral to nearly all filtration processes is an understanding of particle size so the methods and the information they produce will be reviewed.

All the themes highlighted in the introductory session will be developed and exemplified during the day, which will culminate with a discussion of the large array of international standards that apply in the filtration industry.  A range of leading testing equipment will be available for close inspection and discussion during the day.

The Conference
The one day conference continues to attract world leaders in their field and with them, record numbers of attendees and this year is no exception.  Confirmed speakers so far include: Professor Richard Wakeman (Consultant), Dr Christophe Peuchot (IFTS, France), Mark Crooks (TSI), Danny Pattyn (Benelux Scientific, Belgium) and Dr Graham Rideal (Whitehouse Scientific).  A full technical programme will soon be available.

The Exhibition
The exhibition format is unique in that it focuses entirely on filter media and testing equipment and features a mini poster session for each exhibitor.  Describing key features of their instruments in a 5 minute ‘technology burst’ has proven to be one of the most popular sessions and generates a real ‘buzz’ both in the lecture theatre and in the exhibition hall afterwards.  There are usually 15 – 20 tabletop displays so there is a comprehensive array of equipment and services on view.

The Venue
Although location should not be the motivating force for attending, choosing historic Chester could have played a part in making the event so popular in the past.  A complete circle of Roman walls, an amphitheatre and a medieval centre makes Chester one of the most popular tourist destinations in the UK.

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