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Channel: Chemical Engineering :: Processing & Handling :: Separation (Liquid-Liquid & Gas-Liquid)
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Counterintuitive revamp results

At the 2011 Spring AIChE meeting (Chicago, Ill.), Sean Hennigan of BP gave a presentation regarding a column troubleshoot that yielded a counterintuitive result. A column bottleneck was ultimately...

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Fine Tune the Design of Sour-water Strippers Using Rate-based Simulation

Equilibrium-stage models, which form the basis for rate-based calculations, are first evaluated by looking at the impact of sour-water feed H2S and NH3 content, stripper column equilibrium stages on...

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A membrane module for large-scale MBR applications

In May, this company officially launched its Bio-Cel XL submerged module for membrane bioreactors (MBRs) at IFAT 2014 in Munich, and already received its first order during the show. This new...

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A Primer on Reverse Osmosis Technology

This article reviews the development and state of the art of reverse osmosis technology for industrial water treatment, wastewater treatment and drinking water production, and considers future...

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Achieve clear filtrate with these candle filters

The further developed CF Series candle filters are particularly suitable for purifying industrial wastewater with low solids content. They have been specially developed for the filtration of liquids...

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Mega columns, mega issues

The increasing physical size of distillation columns offers processing opportunities, but also presents engineers with unique challenges...

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Distillation Column Thermal Optimization: Employing Simulation Software

Several market conditions, including availability of light crude oilds in the U.S., low natural-gas prices and improving macroeconomics, are driving debottlenecking projects related to columns in both...

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New Horizons For Dividing Wall Columns

A dividing wall column (DWC) is an atypical distillation column with an internal, vertical partition wall that effectively accommodates — within one shell — two conventional distillation columns that...

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Activated Carbon

This one-page reference describes the manufacturing process for, and applications of, the most commonly used industrial sorbent material, activated carbon...

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Better Filtration for the Bottom Line

Many applications in the chemical process industries (CPI) require filtration — from cleaning the air of dust, to corrosion prevention, to cleaning up incoming process water, to recovering proteins...

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Wire Meshes in Filtration

Woven metal cloths are often used to support  filter aid coating or a bed of granular or porous material in filtration operations. This column provides information on the options available for wire...

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Bulk Solids: Operating Direct-Contact Heat Exchangers

This option provides a more economical means of heating or cooling bulk solids for many applications....

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Slash costs with this low-profile belt press

The Andritz Group This new belt press for dewatering in municipal and industrial applications is based on a new low-profile design and flexible modular construction. The size and...

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Distillation Column Modeling

The most common approaches for modeling distillation processes can be broadly divided into equilibrium and non-equilibrium methods. This one-page reference provides information about the differences...

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