Development Module 05
Luke Mosley
Created on September 30, 2024
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Transcript
Development Module 05 Dosing Units
VERSION / REFERENCE: V1
PREPARED FOR: ECAS Teams
PREPARED BY: Luke Mosley
Back
2
- What are dosing units?
Agenda
- The issues
- Commonly encountered products
- Types of dosing products
4
Principles and Rationale
The theory behind a dosing unit is that a frequent additive of a liquid to the network can break down, or nullify the impacts of, any Fats, Oils, and Greases in the network. There are different liquids that fall into dosing categories that are normally labelled as with Biological, Chemical, or Enzyme. These liquids are added to the network after a contamination point normally by an automated pump, but can just be a container that is manually tipped into a drain or pipe. This fluid has to be continually replaced by a FSE. Dosing units are popular with FSEs because there is little maintenance to the units, which are marketed on a ‘fit and forget’ policy. If a FSE wants to use a dosing product as a supplementary measure to a properly sized grease trap, they are free to do so, however these should be connetced downstream of any installation.
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Back
Back
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The Issues
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Back
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Types of Dosing Products
5
Wall Mounted
Containers and Pumps
6
Specific Products
6
Back
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Other Products
7
There are lots of other products which may be pumped (or dosed) into various pieces of equipment or the networks. These include dishwasher aids, detergents, floor cleaners, rinse aids and even washing up liquids.It is always advisable to study the labels if unsure and ascertain whether the liquid being introduced to the network is of concern, regarding FOG management.
Back
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Development Module 05 Quiz
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Question 1
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10
Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 7
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Question 8
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Question 9
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Question 10
Development Module 05 Dosing Units FINISHED
If you have any questions, please contact your Team Manager.
19
This product is sold on Amazon and appears to be aiming to be a cheaper competitor to the more established brands. The product relies on a pump connected to a supply of liquid which is periodically added to a pipe.
Hydra
There are no current engineering standards around dosing units. This means that there is no body of evidence to demonstrate that they are effective or reliable in the claims of breaking down FOG. As such, any liquid could be marketed as a dosing additive that will have no impact on the network.
Engineering Standards
This supplier sells GreasePak units. They are sometimes sold alongside an undersized passive grease trap, called the BioCeptor. The dosing unit discharges directly to the trap. A link to their promotional video is below. They advertise as being compliant with PDI: G101 which is not relevant to this type of equipment.They commonly comment and send to businesses that the unit has been approved by British Board of Agrément (BBA). However, this approval only applies to the physical housing unit and not the chemical additives. Mechline are a company who make a lot of legal challenges to Utilities who suggest that businesses should trap their waste material at source.
Mechline
This product is sold online via Grease Traps UK. The DD1 pump is sold separately and applied after the fluid. The product is advertised as being recommended to be added to a grease trap. An example from the spec sheet of the fluid is shown below demonstrating the level of evidence associated with the product.
Grease Traps UK
RGR sell GreasePaks, Grease Guzzlers, and their own product. The pump here is slightly different, and named Mod 200. On the material safety sheet, product is identified as a toilet cleaner. There is also a get out clause further down.
RGR Facilities
This product is quite common and sold by many suppliers, including RGR, FiltaGroup and many online retailers.However, the unit is owned and distributed by Aqua Mundus. A link to the installation leaflet is below.
Grease Guzzler
Operating on behalf of a Utility, ECAS must always adhere to recognised standards. In addition, in line with Section 111 of the 1991 Water Industry Act: ‘no person shall throw, empty or turn, or suffer or permit to be thrown or emptied or to pass, into any public sewer, or into any drain or sewer communicating with a public sewer— any matter likely to injure the sewer or drain, to interfere with the free flow of its contents or to affect prejudicially the treatment and disposal of its contents’
Section 111
Utilising a dosing system means that a business is allowing contaminants to enter the network, and are trying to address the issue then. Hence, material should be trapped at source and prevented from entering the network in its entirety.
This product is sold from Grease Guru. Again, the DD1 pump is sold separately and has a different sticker on it. There are no product specifications or details listed; it is simply sold under a category of ‘Enzyme Solution’.
Grease Guru
The GD Pro is a wall mounted automatically pumped unit, sold in 5 litre additions.Filta Zyme is an older product which is an additive that is pumped from a different location. This product does not appear to be sold anymore, but still may be encountered.
FiltaGroup
Some products are completely wall mounted and contain everything off the floor.This means they are out of the way and do not obstruct kitchen operations.
Wall Mounted Products
This product is sold online via several sellers. The DD1 pump is sold separately and has a different sticker than seen previously.The product is advertised as being drain maintenance, but product description is for glass wash additive.
Enviro Clean
Some prodcuts are designed to be used direct from containers in the kitchen. This means that they are more flexible in terms of location, but are more likely to obstruct staff.There are a few types of pumps available, most commonly seen is the DD1 pump, which can have differing covers but is the same unit, sold by many suppliers. These pumps all serve the same function and have similar features.They are a battery operated drain dosing pump, which has a function to use a timed dosing setting designed for use various fluids. Batteries are normally included and only need to be changed every 1-2 years, depending on dosage.The pumps can be set to deliver fluids through an automatic timed dosing pumps which is aimed to reduce waste, and is precise and reliable. The active chemical is dosed directly into the drains or grease trap at precisely timed amounts and dosages. Automatic dosing can be set to any time of day and at any level between 100 and 600ml per day. Dosing pumps are advertised as being able to installed directly into waste outlet pipes or into grease traps.
Containers and Pumps