Author Archives: Samuel Peppin - Managing Director at Bioscan Ltd

Context

A food ingredient manufacturer had been reporting unexplained product staining and occasional contamination concerns within their bag filter system. Routine cleaning cycles and visual inspections had repeatedly failed to identify the source of the problem, leaving the quality team without a clear answer and the issue continuing to affect production.

The contamination risk was not only a product quality concern. It pointed to a deeper structural issue within the equipment that standard inspection methods were simply not equipped to uncover.

Challenges

We were contracted to carry out a thorough bag filter system inspection covering internal bag filter housings, product-contact welds, duct transitions, and powder accumulation zones. The main issue was finding defects hidden by compacted powder deposits. These defects had been missed during previous cleanings and visual checks.

The Bioscan Response

Bioscan mobilised a team to conduct a detailed internal inspection of the bag filter system. Our baghouse filter testing revealed hidden corrosion beneath compacted powder deposits, surface degradation in moisture-prone areas, and localised pitting and cracking across multiple product-contact zones. These were not surface-level issues. The affected areas had created ideal conditions for product retention, bacterial harbourage, and cleaning shadow zones that routine methods could not reach or detect.

As a specialist industrial inspection company, we understand that what is visible during routine checks rarely tells the full story, particularly in powder-handling systems where build-up can conceal significant structural and hygienic risk over time.

After finding issues, we removed damaged materials, fixed the stainless steel parts, and polished the surfaces that touch the product. Once we finished, we did a baghouse integrity test to make sure everything met the hygiene standards. The system then went back online, good as new.

Outcome

After our inspection, we took out all the worn-out materials and fixed the damaged stainless steel parts, then polished the product contact surfaces. We ran a baghouse integrity test afterwards to ensure everything met the needed standards before putting the system back into use.

Impact

This case shows that food processing problems often stem from issues that visual checks can’t catch. Bioscan’s bag filter inspection helped the manufacturer fix a longstanding problem by giving them clear insights. They were able to take corrective actions, improving their hygiene in the long run.

Your next inspection could uncover what routine checks have been missing. Get in touch with Bioscan to discuss a tailored inspection programme for your facility.

Context

A global infant nutrition manufacturer wanted to improve inspection consistency across multiple international spray dryer sites. Historically, each facility had been working with different contractors, reporting formats, and inspection frequencies, making it increasingly difficult to benchmark asset condition or manage hygienic risk in a reliable and uniform way.

The lack of standardisation meant that defect severity was being interpreted differently across locations, and there was no common framework to guide repair prioritisation or track asset health over time. The manufacturer needed a structured, long-term solution.

Challenges

We were brought in to design and deliver a unified nutrition manufacturing plant equipment inspection programme that could be applied consistently across all international sites. The scope covered spray dryers, cyclones, bag filters, fluid beds, and ducting systems. Beyond the inspection itself, the programme needed to include standardised defect classification, consistent reporting structures, repair prioritisation guidance, and the ability to track trends across facilities over time.

The Bioscan Response

Bioscan developed a standardised inspection programme and mobilised teams across the manufacturer’s global sites. Initial inspections carried out through industrial spray dryer testing identified significant variation between facilities, including undetected fatigue cracking, inconsistent repair quality, areas of recurring thermal stress, and differing interpretations of defect severity. What had appeared to be a managed asset base was, in reality, carrying a range of unresolved risks that had gone unquantified due to the absence of a unified approach.

Our spray dryer inspection methodology was applied uniformly across all sites, establishing a shared baseline for asset condition assessment. Industrial cyclone testing and bag filter crack testing were carried out as part of the same programme, ensuring full system coverage rather than isolated equipment checks.

We implemented unified inspection methodologies, risk-based repair classifications, global reporting templates, and a long-term defect monitoring framework to support ongoing asset management.

Outcome

The manufacturer gained greater visibility of asset condition across all sites, improved consistency in hygienic risk management, and a more reliable basis for shutdown planning. Confidence in the integrity of their production equipment increased measurably across the organisation.

Impact

This programme demonstrates the value of a coordinated, standards-driven approach to industrial equipment inspection across multi-site operations. When each facility operates in isolation, risk accumulates silently. Bioscan’s global programme replaced inconsistency with clarity, giving the manufacturer a repeatable, auditable framework for long-term asset integrity and industrial baghouse inspection management.

If you are looking to standardise inspection across your facilities, contact us today.

Context

A food ingredients manufacturer identified powder leakage from elevated process ducting located directly above a live production area. The leakage was not just an operational concern. It posed a serious risk of product contamination and raised combustible dust hazards that couldn’t be ignored. Traditional access methods would require tons of scaffolding, lengthy production stops, and much higher costs. So, the facility needed a quicker, less disruptive fix that still ensured top-notch, safe repair work.

Challenges

We were contracted to carry out a full inspection of the food manufacturing plant’s elevated ducting system while keeping disruption to the live production area to a minimum. The scope covered high-level stainless ducting, transition sections, support connections, and expansion areas. Working at height above an active facility added a layer of complexity that demanded specialist access capabilities alongside technical inspection expertise.

The Bioscan Response

Bioscan mobilised a rope-access team to conduct a detailed food plant integrity inspection of all ducting components. Our inspection of industrial equipment at height revealed fatigue cracking around stressed duct transitions, weld separation in vibration-prone areas, and powder escape pathways hidden behind insulation and support structures. These defects had been allowing fine powder to accumulate in inaccessible areas, steadily increasing both hygiene risk and fire hazard with every passing production cycle.

None of these issues was identifiable through ground-level observation alone. Without a targeted rope-access inspection, the defects would have continued to worsen undetected.

Our team used the same rope-access method to take out the damaged parts, do the confined-space welding, and fix the hygienic finish right there on the spot. No big scaffolds needed for the whole repair job either.

Outcome

The project finished with barely any disruptions to the ongoing production. Powder leakage was totally eliminated, the ducting system became intact again, and hygiene and fire risks were taken care of, too. Moreover, the facility experienced far lower access costs and much less downtime compared to what a conventional scaffolding setup would’ve needed.

Impact

This case shows how valuable rope-access skills are in food factories. They help with working at heights, cutting downtime, and keeping things clean. Bioscan made a complicated, risky fix simple and cost-effective. So, it transformed tough problems into manageable tasks.

If your facility requires specialist industrial equipment inspection services from a trusted industrial inspection company, contact us today.