Something New is Circulating!

Something New is Circulating!

12 May 2018

Dairy Plant Cleaning

In recent issues, we have looked in-depth at milk quality, particularly Bactoscans and how they are affected by poor pre-milking processes. In this issue, we look at the more commonly recognised area of plant hygiene and how procedures and processes here, can affect results. We also look at what is a step-change in circulation cleaning which is available to dairies right now.

During the milking process, milk is transferred through the pipeline system where it ultimately ends up in the bulk milk tank. Whilst in transit however, some constituents of milk can be deposited on interior surfaces including the bulk tank and milk fats are usually the first residues to accumulate. These fats can act as a food source and magnet to any bacterial pathogens that are present in the milk and can quickly grow and develop in number due to the warm, moist environment.

Post milking it is recommended to rinse through with warm water first to flush as much residual milk from the system as possible. The reason for this is that a hot water circulation wash will transform calcium and magnesium phosphates as well as proteins in milk, into a hard deposit called milk-stone. Hard water can worsen this deposition. This provides an increased surface area within the pipe to attract bacteria. (Fig: 1)

Fig: 1

Traditionally, a two-stage approach to circulation cleaning has been used to minimise the risks to milk quality. This has been based on:

  1. Morning Alkaline wash – Removes milk fats, proteins, minerals and other deposits
  2. Evening Acid wash – Removes milk stone and calcium deposits

The fundamentals of this system are sound however like many process-driven areas on dairies, success can be compromised by failures to follow the process. In this example, the complicated nature of the process can lead to confusion and ultimately failure. This is where the experience of qualified milk quality specialists like the team at 足彩反水 Dairy, can be valuable to farms by employing audits and where necessary troubleshooting, to identify issues.

A New Alternative to Plant Hygiene

Where milk quality is being compromised or a farm is striving for ever-better results, having two processes and two different products on-farm is an obvious bottleneck to improvement in milk quality. To address this, CID Lines have recently launched into the UK market a brand-new approach to circulation cleaning with new DM CLEAN FORTE.

DM Clean Forte is an Alkaline-based circulation cleaner and due to its novel chemistry, can easily remove milk stone and calcium deposits as well as milk fats, proteins and minerals in both plant and DX bulk milk tanks.

Being chlorine-free and approved for use in milk production, DM Clean forte can be the only drum needed in the entire circulation cleaning process, simplifying procedures and providing milk quality peace of mind to dairy managers, processors and consumers.

Key Features of the DM Clean Forte Program:

  • Removes fats, proteins, minerals, milk stone and calcium deposits
  • Chlorine-free, meeting all milk processor requirements for plant and DX bulk tank cleaning
  • Cost effective dilution rates
  • Effective at temperatures of between 35 and 60 degrees C
  • Works well in hard water areas
  • Contains buffering agents making it non-aggressive to rubber and silicone
  • Pack sizes available - 25kg, 240kg and 1,150kg IBC
  • Reduced electricity and repair costs 

DM Clean Forte Farmer Experience 

John Mitchell milks 120 dairy cows at Creek farm, Mattingley, Hampshire. John is passionate about his cows and producing high quality milk which he supplies to Arla. Producing the quality milk constituents needed as well as minimising penalties with poor milk quality, means that John is focused on the smallest details to ensure the maximum value from milk produced.

An older but functional parlour and plant system strikes a balance between manageable investment cost and efficiency in operation. John commented:

“We are paid on weight of milk so we need to keep on top of issues like Bactoscan”

Creek farm is in a hard water area and one direct consequence of this was that there was a gradual build-up of scale on hot water boiling tank elements. This led to issues with bacteria in the system as well as a slow and gradual reduction in output temperature, leading to a drop in plant cleaning performance. This was identified after investigation and regular element changes introduced to stop the problem. John added:

“We found the issue to be in the bulk milk (DX) tank. We changed cleaning products occasionally but needed something to use consistently in the tank wash”.

Looking into the issue with their local dairy hygiene specialist Trevor Samways, John was introduced to new DM Clean Forte for the tank wash. Trevor commented:

“DM Clean Forte is a new way of thinking that comes from the food hygiene industry with a product that is Alkaline-based, but has novel extra-ingredients that allow the product to remove all residues at relatively low temperatures. Whilst we only used DM Clean Forte in the bulk tank at John’s, it can be used for overall plant circulation cleaning”.

John Summed up his experiences:

“Simply put, DM Clean Forte does the job and gives me peace of mind”

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