Renby - Model Neutrapak - Effective Odour Control
Some industrial processes create foul smelling odours. Odour Control in Waste Processing, Landfill, Sewage treatment and Animal Rendering Suppressing is a constant a challenge. Preventing the odour is often impossible. Treating odours can be very difficult, especially in remote locations where water and power are not readily available. Until recently, it was not straightforward to make a complaint or file legal claims for unpleasant odours. Now, regulators are giving focus to this area and support action to prevent odours travelling to neighbouring properties. An increasing number of legal cases are being filed and processors must address the issue to avoid expensive litigation or fines.
Efficient Odour Control with NeutrapakTM:
Introducing; Renby’s NeutrapakTM - an effective and low cost odour control solution. A natural based product made with plant oils which is effective both indoors and outdoors. No power or water are required, so it is ideal for use 24/7 in remote or difficult to access sites. Operating costs are negligible.
Odour control systems often attempt to mask the odour, or filter huge amounts of air. An odour masking agent can often generate a new smell which over time can become a nuisance in itself. Filtering air is not always practical in many applications and impossible outdoors.
Odour Control with No Water and No Power
NeutrapakTM is a totally different approach. It neutralises the odour by using plant-oil derived compounds which chemically bond to the odour molecules. This change in molecular structure eliminates the odour i.e. neutralises it.
To facilitate distribution of the active compounds, NeutrapakTM granules are deployed in mesh pouches. These discrete, easy to attach socks, are positioned around the area to be treated, normally at 2 metre intervals and 2 metres from the ground.
The Odour neutralising molecules begin to work immediately upon exposure to air and are released at a slow steady rate. A NeutrapakTM is effective for up to 90 days as long as it is not covered by snow or debris.
Bespoke Odour Neutralisation
Most odours occur naturally and the solutions also occur naturally. For example, the natural oils in evergreen trees prevent us from smelling offensive smells from animal waste and decay in forests.
The oils from the trees effectively cancel out the odour generated from the animal waste. The neutralising compounds used in the Renby Odour Control System are derived from natural sources.
The NeutrapakTM from Renby is the result of extensive research which has identified which natural oils neutralise specific odours.
Typical Applications
- Municipal Waste Landfill Sites
- Animal Rendering Plants
- Waste Water Treatment
- Animal Husbandry
- Drains and Gulleys
- Routine Cleaning Operations
- Settlement Ponds
- MRFs
Applications for Neutrapak
Many industries generate odours as a natural part of the process. In a recent DEFRA Survey in 2011, Sewage Treatment, Waste Processing and Animal Rendering were found to have the highest number of complaints for causing an odour nuisance (to give it its legal term).
These processes are notorious for generating odours leading to complaints to local authorities and (more recently) legal action. This increases the site managers’ operating costs and as it usually gets into the media it affects reputations too.
This can be particularly difficult in remote locations. As Neutrapaks do not require power or water. They are the ideal solution.
Sewage Treatment Odour can be Neutralised
Sewage Treatment Odour can be Neutralised
Rising population density means increased sewage capacity is needed and as housing developments expand into the surrounding countryside, inevitably more people will come into contact with sewage treatment.
Combine this with reduced tolerance of malodours and increased understanding of how to complain and take legal action against operators and we have a much increased need to find a solution which not only masks or reduces odour but one that effectively neutralises it.
Neutrapak can be used throughout the sewage treatment process, (even around settlement ponds) to neutralise odours.
Controlling Animal Rendering Odour
Controlling Animal Rendering Odour
Fallen stock, as well as meat, fish or poultry no longer fit to be in the human food chain is processed in an animal rendering plant.
Every part of the carcass is processed. Some is used in animal food, and other products such as bone meal and tallow are made.
As the animal remains decompose, powerful and highly unpleasant odours are given off.
Meat rendering plants are closely monitored and follow a strict code of practice to minimise the effect on surrounding populations and their workforce. Natures’ deodorants of tree and plant resins and chemicals can be used in Neutrapak to neutralise these odours.
Landfill, Household and Food Waste
Landfill, Household and Food Waste
Household waste processing, especially food waste presents great challenges. As it breaks down, it gives off strong odours.
More local authorities are successfully separating food waste and using it in energy from waste plants, odours have intensified, and the problem is more acute.
Neutrapaks have been used in food waste receiving areas to neutralise odours. Landfill sites (especially those in close proximity to residential or urban areas) have found that Neutrapak prevents odours from affecting neighbouring properties and the public.
Other Applications of Neutrapak:
Other Applications of Neutrapak:
These are just a few additional applications where Neutrapak can be effective:
- Meat, and Bone Meal Processing
- Food Processing
- Sludge Tanks
- Ponds and other contained water
- Silos
- Industrial scale composting
- Biofuel and EfW plants
- Animal Husbandry
- Tank and Gully Cleaning
What is an Odour?
Odour – The science of smell:
Although the definition of ‘odour’ refers generally to any smell, it is regularly used to describe unpleasant smells or ‘malodour’.
Organic compounds make up the widest range of malodours. Other non-carbonbased odorants include hydrogen sulphide, and ammonia. As a substance evaporates, or is volatilised, compounds dissipate at very low concentrations and are carried by air currents beyond the boundaries of the originating site.
We perceive odours in three stages. Nasal olfactory receptors detect odour molecules. The stimuli are processed by the olfactory bulb, in the brain’s limbic system. This relays information to the olfactory cortex. Information is processed largely based on experience, (although individuals will react to odours from unknown toxins). Sometimes we even respond when we cannot detect a smell; (We respond to pheromones not consciously perceived).
This complex process and differences in individual’s responses, (based on age, gender, state of health and experience means that odour measurement was slow to develop; Chemical analysis for concentration of odour molecules has been unreliable. Olfactometers used with odour sampling and a panel of human subjects are commonly used to measure odour concentration.
Samples are diluted to the point where the odour is just detectable against an odour-free blank (usually n-Butanol) to 50% of the test panel. The recognition threshold is then measured. ( this is the concentration of the odour in air in which 50% of a test panel can discern or distinguish the sample odour from a baseline odour). Ability to distinguish is weaker than ability to detect by a factor of between 2 and 5.
The olfactory system recognises not one compound, but the odorous mix, although some individuals such as perfumers or food and drink tasters (flavourists) are trained to recognise certain odours, intensity, concentration and hedonic tone (Pleasant or unpleasantness). These experts are employed when more detailed analysis is required. Odours can change based on environmental conditions, for example odours tend to be more distinguishable in cool dry air. Hot days can increase evaporation of organic compounds leading to worsening of an odour nuisance in summer, (although intense sun can have the opposite effect).
Bespoke Odour Neutralisation Using Nature’s ...
Bespoke Odour Neutralisation Using Nature’s deodorants
Nature has its own way of dealing with odours. In the woods, we appreciate that there are surely hundreds of rotting creatures, animal waste and a mass of rotting vegetation. So why doesn’t it smell bad?
Natural resins created by trees, and other plants neutralise odourous compounds from the breaking down of organic matter.
This principle underpins Neutrapak’s effectiveness. We select plant oils which neutralise the specific odour being treated, enabling you and your neighbours to smell the roses a little easier.
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