Technical articles

Rotary pressure filters: Record performance in the drum

cpp | chemical plants & processes

At the end of 2011, BHS-Sonthofen delivered five RPF X 20 rotary pressure filters to a customer in China. The filters are used in the manufacture of intermediate plastic products. In terms of throughput, they are the world’s largest rotary pressure filters. A suspension volume of up to 225 m3 is filtered per filter and hour. This is equivalent to roughly 100 t/h of solids per filter. (more: www.cpp-net.com)

Published in: cpp | chemical plants & processes - 2-2012
PDF (99 KB)
Rotary pressure filters: Record performance in the drum
2-2012
June 2012

Size: 99 KB

The Benefits of Twin-Shaft Mixing

Powder Bulk Solids

Everyone has a general idea what mixing means, but describing the mixing process is not so simple. The objective of any mixing process is to distribute and blend the materials with different characteristics, different quantities as evenly as possible resulting in a homogenous mixture. Introducing proportional movement with the optimal intensity into the materials achieves effective homogeneous mixing results. A simple one-directional movement with inadequate acceleration of the materials would obviously not achieve the same mixing results. This would be more like stirring than mixing.

Published in: Powder Bulk Solids - June 2012
PDF (1.9 MB)
The Benefits of Twin-Shaft Mixing
June 2012
June 2012

Size: 1.9 MB

Framework for selecting thin-cake candle filter technology for removing solid contaminant fines from recirculating acid gas scrubbing fluid streams

BHS-Filtration Inc.

The need for filtration systems in scrubbing units has been well documented. Filtration provides the benefits of reduced hot spots in the regenerator reboiler, reduced heat exchanger fouling and reduction of foaming in the absorbers. This paper discusses thin-cake candle filter technology that is used to remove trace amounts of solid contaminant fines from the recirculating fluid stream. These contaminants originate from various sources and are generally less than 3 - 5 microns in size, which makes their removal very difficult. Candle filter technology and the process of thin-cake building, is a new approach that is employed for high-efficiency and costeffective fines removal.

Published in: BHS-Filtration Inc. - Mai 2012
PDF (1.6 MB)
Framework for selecting thin-cake candle filter technology for removing solid contaminant fines from recirculating acid gas scrubbing fluid streams
Mai 2012
May 2012

Size: 1.6 MB

Continous Mixing - Mixing of fine Materials

bulk solids handling

The MFKG type single-shaft continuous mixers by BHS Sonthofen are especially suitable for mixing fine materials. According to the manufacturer, the machine always provides a homogeneous mixing result in compliance with the specified requirements.

Published in: bulk solids handling - No. 6 - 2011
PDF (538 KB)
Continous Mixing - Mixing of fine Materials
No. 6 - 2011
October 2011

Size: 538 KB

Combination filtration of pressure, vaccuum and clarification technologies for optimum process solutions

BHS-Filtration Inc.

This article discussed a new definition of combination filtration that will provide process engineers a framework for “idea-generation” when analyzing an operating bottleneck. The approach relies upon the slurry analysis and testing to uncover the “process symptom” and then develop a process solution called “combination mechanical slurry conditioning and filtration.” This article illustrated that the installation and combined use of filtration technologies, while higher in capital cost, will result in a more reliable operating process at the plant. In all cases, however, only through accurate lab and pilot testing, will the optimum filter selection be realized.

Published in: BHS-Filtration Inc. - Application Summary | Sept. 2011
PDF (90 KB)
Combination filtration of pressure, vaccuum and clarification technologies for optimum process solutions
Application Summary | Sept. 2011
September 2011

Size: 90 KB

Twin-Shaft Mixing - Fast cycles plus high powder and power economy

Concrete Products (USA)

The objective of any mixing process is to distribute and blend materials with different characteristics and quantities as evenly as possible, resulting in a homogenous mixture. Introducing proportional movement with the optimal intensity yields effective, homogeneous mixing results. Much like stirring, simple one-directional movement with inadequate acceleration of the materials would not achieve the same mixing results.

Published in: Concrete Products (USA) - Issue August 2011
PDF (667 KB)
Twin-Shaft Mixing - Fast cycles plus high powder and power economy
Issue August 2011
August 2011

Size: 667 KB

Match Mixing - Multiplied Throughput

bulk solids handling

The ready-mixed concrete plant of Amsterdam West, one of the mebin company group, based in the Netherlands, has recently been voted "Plant of the Month" by the international Competence Center Materials of the HeidelbergCement Group. A twin-shaft batch mixer DKXS 4,50 by BHS-Sonthofen is the central element in the modernisation scheme which won the plant the title with.

Published in: bulk solids handling - No. 5 - 2011
PDF (580 KB)
Match Mixing - Multiplied Throughput
No. 5 - 2011
July 2011

Size: 580 KB
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