News

Project MTR – Fume Capture Filter for a Copper Smelting Plant in Rwanda

Our client Monometer have specialised in foundry and furnace equipment since 1913. They approached Filter Designs because they were installing a new plant in Rwanda Africa which required a filter to capture particulate from copper smelting fume. The one tonne liquid copper capacity rotary furnace has an air volume of 25,000Am3/hr. Our supply scope consisted...

Project VC – Turnkey Flue Gas Treatment Plant for Waste Boiler

Working with CSS Renewables and end user VC Cooke in Beccles, Suffolk. An empty warehouse is always a welcome place to start a project. This is because we have a blank canvas with which to design an ideal layout for a flue gas treatment plant. Once installed, our system cleans the gases from a waste...

Announcing our ‘new-look’ product range

Over the years, we’ve carefully developed a great range of products, and we’re proud to announce that we have brought them all together, for the first time, under our new product range. Our products meet exacting standards, and are in daily use across the world. From filters of all types, silos, and everything in-between, we’ve...

Turnkey Filtration Limited

Turnkey Filtration Limited is pleased to announce that in May 2025 it has acquired the business and certain assets of Filter Designs Limited (in Administration). For our valued customers and suppliers, it is important to stress that the day-to-day running of the business continues as before. All employees, premises, suppliers and technical capabilities remain unchanged....

Project HJE Client Testimonial

A project we worked on recently has now been completed and can be found here if you’d like to read more about the details. Our client left us the lovely review below: As described in the case study, the problems seen were linked to the previously used filter was in poor condition and over 50...

Project HJE – Partial Offline cleaning Filter

AT A GLANCE: Partially offline cleaning filter Structural calculations for penthouse, access platform and offset support structure. Upgraded discharge system to handle 7tph at a bulk density of 2,487kg/m3 Bespoke Controls system with integrated pulse control cleaning. CONSULTANT’S REPORT: After years of talking to our client and producing multiple quotes with various options we were...

Project AA – Food Grade stainless steel Circular CleanPulse filter with insulation and stainless cladding

AT A GLANCE: 304L Stainless Circular Filter with 50mm thick insulation with a stainless-steel outer skin Outer shell surfaces to have 2B mill finish, welds ground smooth, strip polish appearance. Internal welds ground smooth and all internal surfaces polished to 0.6Ra. ATEX rated with explosion panel and ducting. CFD Modelling for design for non-deformation at...

Project JP2 – Complete Flue Gas Treatment System for Intumescent Paint Furnaces (Phase 2)

AT A GLANCE: Design to replicate existing system installed in 2016. Air dilution to reduce temperature into bag filter with modulating valves. Double screw sorbent dosing skid with precoating system Bespoke Controls system. PROJECT MANAGERS REPORT: After a successful installation of the R&D sites first flue gas treatment plant back in 2016. We were contacted...

Check out our new Promo Video!

We often get asked what we do. So we produced this short video to help bring to life exactly what we do. (And by the way… Filter Designs don’t just design filters!) Watch our video to find out more: YouTube link (opens in new window): https://youtu.be/yfp4XOicCWg...

Business update – Roger Callis

We regret to inform you that our Founder and Chairman, Roger Callis recently passed away. This was an unexpected shock for all, considering he was in rude health, building a house and still playing golf “off 12”. Roger formed our present-day business, Filter Designs, back in 2001. Prior to this, he had founded Ceramic Filter...

Happy customers… happy us!

“For complex engineering solutions, I would definitely recommend Filter Designs and hope to work with them again in the future.” Not our words… the words of yet another highly satisfied customer.Here’s their endorsement in full: “Given the complexity of our business activities, Filter Designs worked very closely with us during the initial design stage to...

Another thumbs-up from a customer!

Happy and satisfied customers is what it’s all about for us, so we were thrilled to receive this endorsement from a customer last week: “From the initial engagement with Filter Designs and evaluation of our flue gas bag filter, what they designed and supplied has proved to be more than effective. Good communication allowed us...

We believe in a cleaner future

Filter Designs are proud to be supporting a client on a game-changing new system that will have a global impact. Plastic production continues to grow, and reached an annual high of 359mt in 2018; this rapid growth has completely outstripped the capacity to recycle plastic when it becomes waste. Globally only 12% of plastic waste...

Not quite four candles!

A client in the north-east of England has ordered a THIRD ceramic “candle” filter from us. Unfortunately, we can’t quite do the “four candles” gag yet! This filter has “Cerafil” type ceramic elements and follows a trusted design harking back to the 1990s. In fact, when we designed the second filter for this client, they...

A project that’s double the size of the last one!

Phase 2 is underway for an existing client based in Scunthorpe. This is also their second system from us, having successfully run the first system for several years… with near-zero emissions to atmosphere. And to top it all, this second project is twice the size and will allow our client’s R&D Department to continue developing...

Project win!

We’re thrilled to have won another contract to install a new urea DeNOx Skid for a brand-new clinical waste plant in Stoke-on-Trent. There’s no greater compliment than repeat business, and this is no exception, being the second system we have designed for this client. Using proven technology, it’s a simple, economical package to remove oxides...

Filter Designs are getting stronger in 2021!

Last year was a crazy year for sure, but we continued to support all our clients on a multitude of projects throughout the various lockdowns. So we’ve been busier than ever! To cope with the demand, we’re pleased to have recruited an engineer to further strengthen our project team. Sam Potapovs joins us as a...

Filter Designs “cast” in yet another great role

Our great working relationship with Scotland continues with yet another order, and a project successfully completed, this time at an aluminium foundry plant in Fort William. Filter Designs have now installed and commissioned a hot gas bag filter project for the casting shop, and a second cartridge filter system serving two induction furnaces. The aluminium...

Filter Designs are hitting the Peaks

A long-standing and high-profile client in Derbyshire’s glorious Peak District have yet again approached Filter Designs, albeit under a new name. For 20 years, we’ve been pleased to work sporadically with this client on their cement production facility in the Hope Valley. This year, we’ve received another order to recommission the ducting system at their...

Whisky Galore with Veolia

Filter Designs are thrilled to announce an exciting new order from Veolia, the UK’s leader in environmental solutions. We’ve been commissioned to provide and install a large hot gas bag filter, including spark arrestor at a Scottish whisky distillery. We’re excited to be working in Scotland yet again, having already delivered projects north of the...

We’ve been featured!

We’re thrilled to announce that we’re a featured business in the September/October 2020 issue of Aluminium International Today. Find us on page 78 of this well-known and respected trade publication which is targetted at the aluminium sector. In the article you can hear about some of the engineering work we’ve done in this industry, including...

Read More... from We’ve been featured!

We’ve been sent to Coventry!

Filter Designs continue to win new contracts on exciting projects. One such new order is for a secondary aluminium processor based in Coventry. Our team have continued to work on this project through the lockdown, which will resolve a fume extraction problem that our customer has had for many years. These are obviously unprecedented times,...

A plastics recycling company goes green (and blue)!

A plastics recycling company in Wellingborough, Northamptonshire recently installed a Filter Design CleanPulse filter on a sunny day in December 2019. This allows an environmentally sound UPVC windows recycling process to keep clean, whilst reusing valuable plastics materials....

FDL win two projects at Lochaber Smelter

FDL win two projects at Lochaber Smelter to clean up emissions from two aluminium holding furnaces and two ‘Junkers’ steel furnaces. New legislation enforced by SEPA in June 2020 requires that processes hitherto exempt may require gas clean up. Particulate emissions will drop by 99.9% meaning that the air in Fort William is...

Go Kart Champions (again)!

Champions again in our fourth year with Singleton Birch. Many thanks to Singleton Birch for inviting us once again to compete with several other companies teams in a 3 hour endurance race. Stewart Callis posted the fastest lap time of 32 people on the day 41 seconds, with Simon Jones in our team posting the...

Filter Designs win Cement Kiln Filter Project

Via a competitive tendering process, Filter Designs have been awarded a project for the Aberthaw plant in Barry, South Wales. Comprising a CleanPulse reverse jet filter, ID fan, chimney and extensive ducting system. The bag filter will serve the cement kiln to ensure low dust emissions to the local area. Please see our case studies...

Filter Designs win SNCR DeNOx Skid

Filter Designs have recently won a contract to design and supply a urea based duty standby pump skid to serve a hazardous waste incineration plant. This customised solution is a variant on numerous previous systems which have been proven on sites worldwide and incorporates our in house designed urea dosing lance. This allows our client...

Carbon Fibre Recycling Filter Completed

A carbon fibre recycling plant required a filter for their process plant. The gases exit the process, travel through our clients oxidiser and quench system and on into our gas suspensions absorber where the gases are neutralised with sodium bicarbonate before the high temperature bag filter ensures clean air to atmosphere....

China Project Shipped

In innovative and entirely customised filter system is shipped to China. A project for a Danish company, this was a truly international collaboration. Unfortunately we are signed up to a non disclosure agreement regarding the details of this project but hope that this R&D facility can serve our client well....

Vietnam Project Shipped

Filter Designs flue gas treatment plant for a large UK company is collected from our shippers in Leicestershire for onward travel by sea to Vietnam. Comprising twin sodium bicarbonate hoppers and access platform, offline cleaning bag filter with PTFE on PTFE bags and bespoke filter discharge arrangement. FDL are ready to assist erection on site...

Projects News

Filter Designs win a project for a Dutch company for a supposed world first pilot plant system in China, which should prove to be a fabulous R&D facility. Bag filter system for Vietnam with twin sodium bicarbonate dosing hoppers. This is the 5th plant of its type we have designed and supplied. New order for...

Apprentice Position Filled

Filter Designs will always consider applications for positions from enthusiastic individuals. However, currently we have no immediate plans to expand our team and the recently advertised apprentice position has been filled....

Filter Designs sell dustbits.com

Following recent retirements and to focus on Filter Designs clients core CAPEX projects business Filter designs sells dustbits.com The decision to pass on the spares and servicing arm of Filter Designs was taken to free up time for existing staff to concentrate on what we do best – executing complex projects....

0.07mg/m3 filter emissions dust level after 5 years!

After 5 years operation on a wood waste biomass plant in Bedfordshire, we have 0.01mg/m3 where the Industrial Emissions Directive states 10mg/m3! This proves that our systems and bag filter media choices are working in the long term. Additionally on another site in Scunthorpe after 3 years, we have less than this dust level at...

Filter Designs win 5th FGT Plant

FD win 5th flue gas treatment plant for an internationally recognised glass manufacturing company working alongside a German client Following installations in the UK, China, Vietnam and USA, this second project for Vietnam was ordered in January and delivered in July 2019....

Remote access

Remote access to numerous sites now on line, educating FDL and our clients in real plant operation. When an issue is reported from site in the past, the problem is described loosely by an operator or team leader who saw that problem for a particular period of time. Questions such as “was the trace heating...

3rd Generation DeNOx Urea skid

3rd Generation DeNOx Urea skid, CleaNOx has been installed to a biomass site in southern England. This system has been supplied to a wood waste biomass site in Plymouth which immediately lowered the NOx emissions to atmosphere....

Paint Testing Project Completed

Intumescent paint testing furnace tried, tested and commissioned. This system is the subject of our video on the home page. It includes many facets of a complete Flue Gas Treatment (FGT) system on a small scale. The plant includes insulated and clad ducting, a drop out box for spark capture, a spark detection and suppression...

Linda Le Grys retires from Filter Designs

After almost 11 years Linda Le Grys retires in 2019 from Filter Designs and Dustbits. We all wish Linda many happy adventures in her retirement....

Experts in air filtration

Project MTR – Fume Capture Filter for a Copper Smelting Plant in Rwanda

Project VC – Turnkey Flue Gas Treatment Plant for Waste Boiler

Announcing our ‘new-look’ product range

Turnkey Filtration Limited

Project HJE Client Testimonial

Project HJE – Partial Offline cleaning Filter

Project AA – Food Grade stainless steel Circular CleanPulse filter with insulation and stainless cladding

Project JP2 – Complete Flue Gas Treatment System for Intumescent Paint Furnaces (Phase 2)

Check out our new Promo Video!

Business update – Roger Callis

Happy customers… happy us!

Another thumbs-up from a customer!

We believe in a cleaner future

Not quite four candles!

A project that’s double the size of the last one!

Project win!

Filter Designs are getting stronger in 2021!

Filter Designs “cast” in yet another great role

Filter Designs are hitting the Peaks

Whisky Galore with Veolia

We’ve been featured!

We’ve been sent to Coventry!

A plastics recycling company goes green (and blue)!

FDL win two projects at Lochaber Smelter

Go Kart Champions (again)!

Filter Designs win Cement Kiln Filter Project

Filter Designs win SNCR DeNOx Skid

Carbon Fibre Recycling Filter Completed

China Project Shipped

Vietnam Project Shipped

Projects News

Apprentice Position Filled

Filter Designs sell dustbits.com

0.07mg/m3 filter emissions dust level after 5 years!

Filter Designs win 5th FGT Plant

Remote access

3rd Generation DeNOx Urea skid

Paint Testing Project Completed

Linda Le Grys retires from Filter Designs

Our recent Projects

Project VC - Turnkey Flue Gas Treatment Plant for Waste Boiler

Project JP2 - Complete Flue Gas Treatment System for Intumescent Paint Furnaces (Phase 2)