Recent Blog Posts

Ammonia Week in Review | May 6, 2022

May 6th, 2022

Ammonia is now harvestable from wastewater in this special Mother’s Day edition of the Ammonia Week in Review… New Process Harvests Ammonia from Wastewater – A dash of ruthenium atoms on a mesh of copper nanowires could be one step toward a revolution in harvesting ammonia from nitrates in wastewater and groundwater. […keep reading] IIAR 2-2021: Emergency […]

IIAR 2-2021: Emergency Pressure Control Systems

May 3rd, 2022

In the 2008 edition of Standard 2, IIAR first addressed the topic of emergency pressure control systems (EPCS). Prior to the publication of ANSI/IIAR 2-2021 earlier this year, each subsequent publication of Standard 2 has offered commentary on the subject of EPCS in an informative appendix. ANSI/IIAR 2-2021 §15.6 is the first instance of EPCS […]

IIAR 2-2021: Eyewash and Safety Showers

April 19th, 2022

It has been a year and half since we last addressed eyewash and safety showers on our blog. With the publication of ANSI/IIAR 2-2021 it is prudent to examine the latest design requirements for these important safety units at ammonia refrigeration facilities. Summary of requirements in ANSI/IIAR 2-2014 Before looking at the 2021 edition of […]

Ammonia Week in Review | September 18, 2020

September 18th, 2020

Raley’s installs their first supermarket ammonia system in preparation for the California’s Air Resources Board regulations in this week’s edition of the Ammonia Week in Review… Raley’s Unorthodox Ammonia/CO2 System – Installed at its first Raley’s supermarket, the system is the California chain’s answer to impending state regulations capping the GWP of refrigerant at 150. […keep reading] Differences […]

Differences Between IIAR Standards 2 and 9

September 15th, 2020

Earlier this year, IIAR published ANSI/IIAR 9-2020 Standard for Minimum System Safety Requirements for Existing Closed-Circuit Ammonia Refrigeration Systems. While it has long been recognized that new systems must adhere to the requirements of IIAR Standards 2 and 4, facilities with existing systems have often been confused on how they should relate to these standards. […]