Success Story – Sootblower Steam Pressure Reduction
A Supercritical Sootblower Success! A 20-year-old supercritical power plant in South Korea experienced control issues with their sootblower steam pressure reducing valve. The valve was originally equipped with a spring and diaphragm pneumatic actuator. It suffered from common issues associated with pneumatics, such as the compressibility of air [...]
The Future of Gold with Mark Ferra
The Future of Gold - with REXA Mining/Metals Manager, Mark Ferra The deadly COVID-19 pandemic has impacted life as we know it in just about every way possible. Besides being the world's most serious health-concern throughout 2020 (since there was no known treatment and no vaccine), COVID-19 also led [...]
Success Story: Improved Furnace Air Control & Combustion Safety
Improving Furnace Air Control & Combustion Safety with REXA REXA recently conducted a successful installation on a crude unit heater at a refinery in California. Furnaces help refineries and petrochemical plants break down and convert hydrocarbon fluids into fuels or chemicals such as gasoline, diesel, ethylene and [...]
Success Story – Condenser Level Control
Condenser Level Control in Coal-Fired Power Plants Supercritical and Ultra-Supercritical plants are a vital part of global power generation. They operate above the critical pressure and temperature of water (3206.2 psia at 705°F), up to a maximum of 4350 psia and 1170°F. Since feed water is turned into steam [...]
Success Story – Steel Mill Reheat Furnace Upgrade
Steel companies around the world continuously introduce and enhance processes that emphasize sustainable development. Key sustainable targets include minimizing the environmental footprint and increasing energy efficiency. These companies proactively develop actions to decrease fossil fuel consumption, thus reducing greenhouse gas emissions. Through all these initiatives, companies provide it is [...]
Success Story – Nickel Mine Oxygen Compressor IGV
Background A large nickel mine in Ontario, Canada produces nickel metal, which is used in the manufacturing of smart phones and rechargeable batteries that power electric cars. Sulfur dioxide (SO2) is a major air pollutant emitted in the roasting, smelting and converting of sulfide ores. Fortunately, the SO2 is [...]