Frequently Asked Questions
How do UgnCleanPellets® differ from alternative odor control and desulfurization systems1?
A: UgnCleanPellets® are not adversely impacted by untreated, moist, and hot biogas or air. In addition, UgnCleanPellets® use a hybrid biological-chemical reaction to remove hydrogen sulfide as opposed to the purely chemical process used by activated carbon. This results in improved performance at a lower cost.
1 Alternative odor and desulfurization media include activated carbon, glass, oyster shells, and iron sponge.
Are there any conditions which need to be in place before UgnCleanPellets® can be considered for use?
A: No-UgnCleanPellets® don’t require any pre-processing steps to be taken. The use of condensers, coolers, toxic chemicals and complicated processing facilities are unnecessary, resulting in considerable capital and operational expenditure savings.
Why should our facility switch from our current odor or desulfurization media to UgnCleanPellets®?
A: There are significant benefits that come with choosing UgnCleanPellets® including: a streamlined odor control process, low op-x, long media life, small environmental impact, and the partnership with Green Gas Services which can include the management of the system.
How does the pricing for UgnCleanPellets® and ScavengeAir Systems compare to alternative odor control and desulfurization options?
A: When considering media life and the regenerative properties of UgnCleanPellets®, as well as our exclusive relationship with UGN in North America, our media is typically less expensive than other types of media in the market. Additionally, Green Gas Services’ low overhead and preferential relationships with local vendors allows the company to maintain extremely competitive pricing for ScavengeAir Odor Control and Desulfurization systems.
How much water and nutrients are required for the operation of a ScavengeAir UGN System and how does that compare with other media requirements?
A: Unlike other odor control systems, only a small volume of water is required to “wet” the UgnCleanPellets® during start-up. Additional water does not need to be introduced to the System until media regeneration is employed.
What is required for operations and maintenance and how does that compare to other odor control and desulfurization systems?
A: Very little oversight is required for the ScavengeAir UGN® system. Inlet and outlet monitoring equipment allow the entity to ensure the system is performing according to specifications. Should the facility choose, Green Gas Services will handle media replacement and responsible disposal.
What is the pH of the water that is drained from the system?
A: The ScavengeAir System requires very little drainage and, assuming there isn’t excessive free moisture or water that accompanies the gas into the system, it is only necessary to drain water during the initial ScavengeAir System start-up and during regeneration cycles. In addition, as long as input water does not contain harmful elements, the drained water will not contain harmful compounds and the pH of the water that is released will be neutral so pH balancing is unnecessary.
How do UgnCleanPellets® match up with alternative media in terms of media life?
A: The ScavengeAir system using UgnCleanPellets® can have a life 4-7 times longer than alternative odor control and desulfurization systems resulting in significantly lower operational costs due to minimal operations and maintenance expenses and less frequent media replacement.
If we already have an odor control system in place, can we retrofit our system to use UgnCleanPellets® instead of our current media?
A: Yes. If the existing system’s operational principles match those of the ScavengeAir System, the unit can easily be adapted for use with UgnCleanPellets®. Other types of systems can require additional retrofitting – all of which can be undertaken by Green Gas Services’ highly skilled team. Reach out to us for more information about retrofitting your system.
Does the ScavengeAir system only remove hydrogen sulfide, or can it also remove other odiferous compounds?
A: The ScavengeAir System is a comprehensive odor control system which, in addition to hydrogen sulfide, captures Volatile Organic Compounds (VOCs), mercaptans, Ammonia, and other foul odors.
What are UgnCleanPellets® composed of?
A: UgnCleanPellets® ingredients consist of a proprietary blend of cellulose and iron oxides- natural, sustainable materials which do not negatively impact the environment in their production or disposal. Replacing alternative media with UgnCleanPellets® can save hundreds of tons of carbon emissions. Additionally, the spent pellets can even be land applied as a fertilizer!
