Which should be chosen between RTO and RCO?

in VOCswaste gas treatmentareas,RTORegenerative oxidation furnace and RCO regenerative catalytic oxidation furnace are two mainstream high-efficiency processing equipment. Many enterprises are difficult to choose between the two, which one should be chosen? This needs to be analyzed from the aspects of exhaust gas characteristics, energy efficiency requirements and recovery value.

RTO relies on high-temperature combustion to decompose organic matter, with high purification efficiency and a wide range of applicable concentrations, but the operating temperature is usually above 800 degrees, and the energy consumption is relatively high. RCO is with the catalyst, in the 300 to 400 degrees lower temperature can achieve oxidation decomposition, so the energy saving effect is obvious, but the catalyst is sensitive to the exhaust gas composition, easy poisoning failure. Both are destruction-type technologies, where organic matter is eventually converted into carbon dioxide and water, which cannot be recycled.

If the exhaust gas contains a higher concentration of organic matter with economic value of recovery, neither RTO nor RCO is the most economical choice. At this point, a condensation plus membrane separation process may be considered as a pretreatment or alternative. The process recovers most of the organic matter through condensation, and then further enriches the residual organic matter in the tail gas back to the front end through the membrane module, so as to achieve efficient recovery. LuoyangWohong PetrochemicalThe condensation and film method promoted by Equipment Co., Ltd. is especially suitable for the recovery of organic solvents such as hydrocarbons, halogenated hydrocarbons, ketones and esters.

Therefore, the choice of RTO and RCO actually depends on whether destruction technology must be applied. If the enterprise wants to turn waste into treasure and reduce long-term operating costs, then the condensation and membrane separation process deserves priority evaluation. The two technologies can also be used in combination. After the condensing membrane separates and recovers most of the solvent, the remaining low-concentration tail gas enters RTO or RCO for treatment, which can greatly reduce energy consumption.