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Editor’s Word: This weblog publish is a recap of our whitepaper, Six Key Considerations for Selecting a CNG | RNG Compressor. Download the whitepaper here.

Whether or not you’re capturing biogas, shifting compressed pure fuel by a grid, or equipping a gasoline station for pure fuel automobiles, figuring out the CNG (compressed pure fuel) or RNG (renewable pure fuel) that works greatest in your software might be difficult. Listed below are six key elements to contemplate when making this choice:

  1. Effectivity. Do you know {that a} purpose-designed fuel compressor with a pressurized crank case all however eliminates fuel leakage by redirecting extra methane again into the compression course of? Gasoline leakage losses could be a big expense, so choosing a CNG/RNG compressor that accounts for it is a important consideration. Different advantages from decreased methane leaks embody being higher for the atmosphere, in addition to extra fuel being obtainable in your processing plant, your pipeline or your mobility stations.

Different effectivity advantages to contemplate are VSD (Variable Speed Drive) compressors and heat recovery.

  1. System Design. Understand that a fuel compressor should be correctly sized to fulfill the precise necessities of a venture. Since fuel operations both run 24/7 or should be obtainable 24/7, a basic query to reply is what’s the most move required? A system that features not less than one VSD fuel compressor (see above) can be sure that move matches demand. One other choice to take note of is to consider specifying two or extra smaller compressors, somewhat than one giant fuel compressor, to supply the wanted move. This lets you run your course of at no matter degree is required, permits service to be carried out with out shutting down your course of, and supplies built-in redundancy.

Different facets of system design embody contemplating a direct drive configuration and water-cooled vs. air-cooled compressors.

  1. Monitoring and Controls. Distant monitoring means that you can have real-time entry to all readings in your compressor, anytime and anyplace, by alerts despatched by way of SMS and e mail. Many CNG and RNG crops are remotely situated and a few run with none individuals current, which makes distant monitoring a key functionality. Your fuel compressors ought to talk with you and with one another. That is the place centralized controls enter the image, as these routinely decide which compressor leads and which follows. Operating hours are managed to make sure equal utilization and scale back upkeep prices. Every fuel compressor ought to have its personal native controller. Search for a person interface that’s easy and intuitive to make use of, with a contemporary contact display.
  2. Energy. On the lookout for an electrical or gas-driven compressor? The place electrical energy supplies a decrease price of energy, it’s the popular option to energy a fuel compressor, nevertheless it’s nice to contemplate the choices. A gas-driven compressor might be splendid in distant areas the place the price of electrical energy is prohibitive or entry is unavailable. The identical fuel that’s a part of your course of can energy your compressor.

You must also think about your strain choices. Study extra about that by downloading the complete whitepaper.

  1. Construct Your System. When designing your system, it’s best to be certain that the design is adaptable; i.e. construct a modular fuel compression system that lets you change or develop an set up extra simply. The flexibleness of a modular set up permits you to accommodate modifications in your course of as expertise, markets, laws or enterprise objectives change.
  2. Who’s Your Provider? When looking for the best provider in your CNG/RNG system, it’s best to think about choosing a whole answer provider for fuel compression methods that may help you in each a part of your course of – from dispenser to digester. As you consider suppliers in your fuel compressor system, think about these questions:
  • Are they a neighborhood associate with expertise within the discipline?
  • Have they labored together with your present contractors?
  • Are they a packager that items collectively the merchandise of different corporations, or do they manufacture methods engineered for the precise wants of CNG and RNG purposes?
  • Have they got full-service capabilities?
  • And extra!

Study extra about Atlas Copco’s full portfolio of CNG/RNG compressor choices by visiting us at www.atlascopco.com/cng!

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