Chemical Engineering September 2014 - 1

www.chemengonline.com
September 2014
Volume 121, no. 9
Cover Story
46 Cover Story Part 1 Modern Water-Treatment Challenges
Using the liquefied natural gas (LNG) industry as an example,
this article explores the challenge of ensuring the purity of inlet
and outlet water
51 Cover Story Part 2 Challenges of Drying Sticky Wastewater
Sludge In wastewater-sludge drying and dewatering operations,
many issues arise from the the sticky properties of the sludge.
Here are some insights to address them
NewS
11 Chementator Demonstration plants for biomass-to-sugar technology
under construction; Mercury removal with modified aluminosilicate
clay; This process realizes large cost savings for manufacturing silicon
wafers; Commercial debut planned for an FCC process with enhanced
olefins production; A more direct route to ethyl acetate; and more
19 Newsfront The Future of Butadiene Butadiene scarcity, imposed
by the shift toward ethane cracking, provides opportunities for the
development of new technologies
26 Newsfront Extruders Evolve for the New World A changing
marketplace necessitates extrusion equipment with greater flexibility
and higher efficiency
eNgiNeeriNg
44 Facts at Your Fingertips Safe Sampling of Heat-Transfer Fluids
This one-page reference helps readers understand the safety hazards
associated with sampling of heat-transfer fluids for quality check-ups
45 Technology Profile Producing 1,4-butanediol from bio-succinic
acid This one-page profile describes a process for producing the versatile
intermediate chemical 1,4-butanediol (BDO) from biologically
derived succinic acid
56 Feature Report Part 1 Magnetically Driven Pumps: An Overview
Understanding sealless pump technologies and their potential
applications
62 Feature Report Part 2 Mechanical Seals Update: Pharmaceutical
and Food Applications For applications that require cleanliness,
be sure your centrifugal pumps have the proper seals
62
Figure 2: A range of traditional, risky, external/internal component se
are still found in hygienic applications. Internal components a
ChemiCal engineering www.Chemengonline.Com September 2014 1
56
46
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Chemical Engineering September 2014

Table of Contents for the Digital Edition of Chemical Engineering September 2014

Contents
Chemical Engineering September 2014 - Cover1
Chemical Engineering September 2014 - Cover2
Chemical Engineering September 2014 - Contents
Chemical Engineering September 2014 - 2
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Chemical Engineering September 2014 - 4
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Chemical Engineering September 2014 - Cover3
Chemical Engineering September 2014 - Cover4
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