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Auto dosing systems

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Accurate dosing of cleaning and hygiene products is very important to get good results, and this is where an automated system can help greatly, says Abhay Desai.

In today’s time when transportation, storage, and environmental safety costs are shooting up consistently, professional cleaning and hygiene products are slowly but surely moving from ready-to-use or simple concentrates, to high/super concentrates.

This is applicable across many applications such as laundry, kitchen, and housekeeping. Professional cleaning and a hygiene product’s effectiveness is mainly dependent on how the product is dosed, dispensed, or diluted.

If the cleaning product is not dosed or diluted properly then it is as good as running the product down the drain, as it will not be effective and will not provide the intended performance.

Under-dosing and over-dosing are both economically harmful for a facility manager. When one under-doses the cleaning product, it does not provide the results for which it is used, and in the case of over-dosing, it is a simple waste of resources as the quantity does not add any additional value to the cleaning and hygiene process.

The concern of accurate dosing/dispensing/dilution can be addressed by the use of automated dosing systems. To understand the value of automated dosing systems, one first needs to understand the difference between manual dosing and auto dosing which have some pros and cons.

In the manual method, dosing, dispensing, and/or diluting cleaning chemicals by human intervention has some advantages as it is quick (judgmental); easy (no dosing equipment required); and cheap (no water or electricity required). But it has certain cons as well – it may cause inaccurate dosing (over-or-under dosing), become messy due to storage and transfer, and it is also unsafe if comes in contact with skin.

In the auto method, dosing, dispensing, and/or diluting cleaning chemicals through automated professional dosing systems also has some pros such as accuracy (dispenses the same quantity of chemical every time); clean (no storage or transfer required); safe (avoids staff injury and spillages); economic (eliminates wastage); and better results (eliminates staff errors). The cons of auto dosing are it needs a water and electricity connection, and the dosing system needs to be maintained on a periodical basis.

Today, most facilities managers do not prefer to hire their own staff for cleaning, and depend either on contract labourers or a cleaning contractor, to do their cleaning.

It is common knowledge that every facility sees a minimum of 25% to a maximum of 100% turnover amongst these labourers.

There could be a situation when a new batch of fresh contract employees who do not have much training ended up using the entire month’s cleaning budget in a week’s time.

But such a situation can be averted by using a dosing/diluting system, which would provide these employees with a ready-to-use solution. Also, an untrained employee would be subjected to greater chemical exposure if he deals with these products manually.

Therefore, auto-dosing systems are desired in a professional cleaning and hygiene environment, as they provide accurate dosing, high performance, and a clean and safe working environment.

Auto dosing systems in India are available for mainly liquid cleaning products and a few powder cleaning products such as laundries (liquid detergents), automated dish/glass washers (liquid and powder cleaning products), housekeeping products (floor cleaners and glass cleaners), and personal care products (soaps and sanitising gels).

The main innovations in auto dosing system have taken place in the applications of laundry and automated dish/glass washing. These applications have seen auto dosing systems vary from a simple dosing system, to ones which are connected to a computer and can be controlled from the department office or from a remote location.

Some of these dosing systems can provide daily, weekly and annual usage reports, and some of them are advanced to even detect operation faults. As we look to the future, a full range of powder auto dosing systems should be the next big thing where auto dosing systems are concerned.