About the Dewatering of Porous Structures or Packed Beds by Mechanical Means
To understand the deliquoring process of packed beds, it is important to know the various fluid components and their binding mechanisms present […]
Filter Aid to Improve Solid/Liquid Separation Process
Filter aids are used to solve the problems of slow filtration rate, rapid medium blinding or unsatisfactory filtrate clarity. Filter aids are […]
Hydrocarbon Evaporative Emissions & Control for Automotives, Part 1 – Adsorption & Activated Carbon
Even the cleanest and most efficient vehicle on the market today still pollutes the air and otherwise damages the environment. Motor vehicles […]
Roll Stock Formed Membrane Overview
Microporous membranes used for filtration and separations have a history dating back for over a hundred years, but began to grow significantly […]
What is Forcespinning™ Technology?
The processing of polymers into nanofibers offers a broad range of applications in areas such as filtration, catalysis, tissue engineering scaffoliding, photonics […]
Selecting Filtration Media
Selecting the right filtration media is a science and learned experience, as it needs to be done right to achieve the desired […]
Wastewater Treatment via Dry Filter Aid/Flocculant Addition to Automatic Pressure Filters (APFs)
Conventional wastewater treatment (WWT) generally uses a three-step process of clarification (i.e. gravity settling), overflow polishing by sand filters (and in some […]
Filter Aid Permeability Test Method
Permeability is a measure of rate of liquid flowing through a porous medium or a particulate filter cake. It is an important […]
Measurement of Porosity Using a Custom-made Pycnometer
Introduction Porosity, permeability, and pore size distribution are three closely related concepts important to filter design and filter performance. Porosity is a […]
Measurement of Filter Permeability Using Frazier Air Permeability Tester
Introduction Permeability is a measure of the ease of a fluid that passes through the filter medium. It is one of the […]
Beta Ratios Explained and Applied to Liquid Filter Selection
Liquid Filter Beta Ratios Absolute rated liquid filter selection is tied to the media micron rating, materials of construction, construction design, and […]