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| Air Clear LLC | Elkton, MD | |
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.jpg) | Thermox™ Recuperative Thermal Oxidizer Thermal Recuperative Oxidizers have been used for many years as a straightforward and effective means of destroying organic fumes in process exhaust gas. Thermal Oxidizing Systems can be applied to a wide variety of processes. Thermal Oxidizing Systems are often the technology of choice because of durability and adaptability over a wide range of operating conditions. The basic form of an oxidizer is a retention chamber and a supplemental heat source (burner). This type of thermal oxidizer is often referred to as an ‘afterburner’ see vertical unit. Adding a heat exchanger (recouperator) to reduce fuel use, it becomes a recuperative thermal oxidizer as seen in the foreground.  | ||||||||
.jpg) | Why Air-Clear Thermox™ Recuperative Thermal Oxidizers. • Proven technology for oxidation of volatile organic compounds (VOCs) and for the control of odorous emissions with greater than 99% efficiency! • Recognized as the Best Available Control Technology (BACT) and Maximum Control Technology (MACT) for many industrial process. • Thermox™ Recuperative Thermal Oxidizers reduce energy costs by using a pre-heater ( heat exchanger ) to recover the heat from the post oxidized air to preheat the incoming process air. Further savings can be gained with a secondary heat recovery or ‘economiser’ Recuperative – meaning to recover and restore • The Thermox ™ Thermal Oxidizer is designed to provide reliable stable operation over a wide range of process conditions. • Small or large flows as well as multiple sources feeding one thermal Oxidizer can utilize thermal oxidation to control emissions. The Thermox ™ is also an excellent choice for intermittent ON-OFF use. • Thermal oxidizers can rapidly adjust to changes in VOC loadings. When equipped with a High Temperature Bypass Valve (HTBV). • Flexibility - Custom design-meets your specific project objectives at the lowest cost possible. The chemical industry has utilized oxidation for several years. Safety issues and the corrosive nature of the emissions make online reliability extremely important. AC experience with HAZOP reviews insures a smooth interface between the process and APC system. | ||||||||
.jpg) | Best Value Air-Clear relies on a network of world class providers of specialty components selected by our Engineers for integration into cohesive system. Suppliers are selected based on the design features, quality of construction, and cost competiveness. In addition Air-Clear Fabricates internally, eliminating the cost mark ups passed on by subcontracted fabricators. Several extraction wells are efficiently controlled by one thermal oxidizer. Since soil remediation projects have a finite life (1-5 years) these wells are controlled by a leased unit, saving capital cost. | ||||||||
.jpg) | Post commissioning support Worldwide Capability- AC has completed projects worldwide. Air-Clear supports these projects on an ongoing basis by a combination of in house resources, remote diagnostics and localized support personnel. • FAT - Factory Acceptance Test – reduces commissioning and start up time by running a thorough diagnostic system check PRIOR to shipment • Air-Clear has extensive knowledge of various materials of construction and metallurgies to insure long-term system performance and reliability, especially when working on Chlorinated applications. This view of a ‘shell and tube’ heat exchanger prior to the exterior casing offers a unique view of the interior | ||||||||
.jpg) | Pilot testing, rental Lease options and pre-owned- ‘re-commissioned’ equipment are available from Air-Clear. Additional heat is recovered from the exhaust stack by an air / air exchanger is used to heat ambient air which is returned back to the dryer. This allows for the solvent in the process exhaust to provide the heat for the dryer | ||||||||
.jpg) | How Air-Clear Thermox™ Recuperative Thermal Oxidizers Works • Prior to ignition, the air inside the oxidizer must be purged to extract any residual gas that may have leaked into the chamber. The purge is controlled with a timer; this insures the proper volume of fresh air. The blower, in conjunction with an ambient air valve, forces clean air through the system. To prevent the possibility of drawing additional contaminated air from the process, an isolation valve closes off the process and permits ambient (fresh) air to enter the system. A 15,000 CFM unit is used interminably to control a wide variety of emissions from a burn testing laboratory. | ||||||||
.jpg) | System Controls The "brains" of the Air-Clear Thermal Oxidizers are the instrumentation and controls. PLC's - Program Logic Controllers are available with input and output (I/O) options and electrical configurations that make them ideal for a wide range of applications. A thermal recuperative oxidizer is erected at Air-Clear for it’s FAT. This unit went through a rigorous operational test, common for the Pharmaceutical industry. | ||||||||
.jpg) | Air-Clear Catalytic Recuperative Oxidizer Systems (CATOX™) A 6,000 SCFM Catalytic Oxidizer on a Federal Government remediation site The Air-Clear Advantage in Catalytic Oxidation • Proven Conversion of hydrocarbons or VOCs to have negligible photochemical reactivity. can be as high as 99.9% efficiency with 50% less energy use. • Lower operating temperatures result in lower NOX emissions, without significant formation of CO. • Air-Clear’s CATOX™ CATALYTIC OXIDIZER Systems are smaller and lighter than their thermal counterparts, requiring a smaller footprint. • Our flameless catalytic electric heat systems do not generate NOX emissions. • A variety of catalyst types are available to optimize performance for each particular application. Even halogenated organic compounds can be controlled with the proper catalyst. | ||||||||
.jpg) | A catalyst module. This frame is 2’ x 2’ x 4” Deep. Several of these modules are grouped to accommodate for the flow and required destruction efficiency | ||||||||
.jpg) | Small trailer mounted unit is often used for Soil Vapor Extraction and or for pilot testing to determine catalyst performance. | ||||||||
.jpg) | A skid mounted recuperative catalytic oxidizer is lowered onto the roof of a Pharmaceutical company. | ||||||||
.jpg) | Additional heat is recovered from a catalytic oxidizer and is returned to the dryer . This system had a payback in energy savings of less than a year. | ||||||||
.jpg) | Factory acceptance test is underway on a catalytic oxidizer in Air-Clears Shop. | ||||||||
.jpg) | Several catalyst modules are shown grouped in a single support frame. | ||||||||
.jpg) | A recuperative catalytic oxidizer gets it’s supplemental heat from electric burners, not a gas burner. | ||||||||
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