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Building a Better Burner

By CE Staff |

Burner manufacturers provide low-NOx equipment that meets both emissions and performance goals Several decades ago, regulatory action that necessitated reductions in oxides of nitrogen (NOx) from industrial sources led to the development of new technologies, such as low-NOx and ultra-low-NOx burners. In the years following, burner technologies were studied and changed until they were eventually able to achieve startlingly low levels of NOx emissions as mandated by ever tightening regulations. However, after actively using this specialized equipment in chemical and other processes for extended periods of time, both end users and burner manufacturers discovered that achieving these very low levels of NOx emissions often resulted in a tradeoff, in the form of reduced efficiency of the equipment. Now, burner manufacturers are working to improve the performance of low-NOx and ultra-low NOx burners.   Burner improvements “Historically, process burners were supplied to provide heat to a process, so the requirement was simply to provide reliable heat and reliable combustion,” explains Erwin Platvoet, process burner product director with John Zink Hamworthy Combustion (Tulsa, Okla.; www.johnzinkhamworthy.com). “However, in the…
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PTA production: Lowering OPEX without compromising on quality

A paper that looks at how the earlier PTA production method involving a multi-stage process with pressure and atmospheric centrifuges and a re-slurry tank can be replaced with one stand-alone device – the rotary pressure filter (RPF).

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