Technical Articles – Page 1

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Technical Articles

The Micro-one R&D Institute answers the questions we hear most often in flue gas treatment and dust collection.
Filter media, baghouse operation and NOx reduction, explained from an engineer’s point of view.

8 articles

Fundamentals

Why Do SCR Catalysts Deactivate? Poisoning, Temperature and Ammonia Slip

DeNOx catalysts lose performance through poisoning and plugging, low operating temperature, and ammonium salts from ammonia slip. Causes and check order.

Technology Comparison

SNCR vs. SCR: What Is the Difference?

The biggest difference between SNCR and SCR is whether a catalyst is used. Reaction temperature, efficiency and installation conditions all follow from that.

Fundamentals

Where Does Nitrogen Oxide (NOx) Come From?

NOx forms when nitrogen from combustion air and from the waste itself combines with oxygen during combustion. This article covers the three formation routes, what is specific to incinerators and how control methods differ.

Fundamentals

How Is an Incinerator Flue Gas Treatment System Arranged?

Waste incinerator flue gas is usually treated by SNCR, a reactor (SDR/DR), a baghouse and SCR, in that order. This article sums up what each unit removes and its pros and cons.

Fundamentals

What Is an ePTFE Membrane?

An ePTFE membrane is a microporous film made by stretching PTFE. How it differs from PTFE, how pores form, and how to select and check industrial filter bags.

Technology Comparison

How Do You Choose the Right Filter Bag Material for Your Process?

Match operating temperature first, then narrow by acid gases/moisture, oxygen/alkalis, and fine dust limits. Includes a 6-material comparison and process guide.

Technology Comparison

Depth Filtration vs. Surface Filtration: What Is the Difference?

Where depth filtration and ePTFE membrane surface filtration capture dust, and why filter bags matter under tighter dust limits and 30-minute TMS averages.

Technology Comparison

Electrostatic Precipitator (ESP) vs. Baghouse: What Is the Difference?

An ESP captures dust with electrical force; a baghouse filters it through filter bags. We compare principles, applications, operation, and hybrid E.BF systems.

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