Chemical Engineering July 2021 - 4

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Announcing the Kirkpatrick fi nalists
F
ive innovative technologies have been selected as finalists for
the 2021 Kirkpatrick Award for Chemical Engineering Achievement.*
The finalists were selected based on three criteria: the
difficulty of chemical engineering problems met and solved;
novelty of the technology; and evidence of commercial success. The
winner of the award will be announced later this year. Here is a brief
summary of the finalists:
BQE Water - Selen-IX Technology. BQE Water developed the
Selen-IX technology to remove selenite from wastewater in response
to environmental concerns associated with selenium. Selenate is the
most prevalent form of selenium in wastewater. The novelty of the process
technology is the unique integration of ion exchange and electroreduction.
Using this technology, selenate is removed from the wastewater
and fixed into stable non-toxic solids. After three pilot tests for
different mining projects, the first full-scale plant was commissioned in
2020, and two more plants are currently under construction.
Dow Industrial Intermediates & Infrastructure - Syntegra Solvent-Free
Polyurethane Dispersion. Syntegra is a solvent-free
polyurethane dispersion (PUD) developed by Dow for the production
of artificial leather. A significant advantage of Syntegra is that it
eliminates the use of hazardous solvents in the production of artificial
leather. Dow is able to produce Syntegra in a continuous process
rather than batchwise, which improves consistency in the product.
Syntegra was commercially launched in 2020, and there is indication
that this product can also help with CO2 reduction goals.
Dow Deutschland - Walocel Cellulose-Ether Product. Cellulose
ethers are used in dry-mortar cementitious tile adhesives in order to
ensure the water retention that is needed to bond the tile and substrate.
The water retention efficiency improves with the polymer's molecular
weight. Walocel is a cellulose ether obtained by long-chain
branching, and thereby reduces dosage reduction in mortars by up
to 25%. Development of the production process involved significant
studies of key reaction-engineering variables and the design and installation
of some tailor-made systems. The product is said to be the
first commercial-scale cellulose ether of its kind.
Haldor Topsoe - Hydrotreating Catalyst TK-6001 HySwell. TK6001
HySwell is an alumina-supported NiMo hydrotreating catalyst.
NiMo catalysts are in demand for ultra-low-sulfur diesel and hydrocracker
pretreatment. Until now, unsupported catalysts have been the
only type that could meet the high activity needed for these applications.
Topsoe has developed catalyst preparation techniques to produce
a stable, supported catalyst that can be regenerated. HySwell
was launched in 2019 with reported excellent performance.
Sapphire - FreeSpin Turboexpander Generator. Sapphire Technologies,
a subsidiary of Calnetix Technologies, has developed an
axial flow-through, magnetic bearing, turboexpander generator for
pressure-reduction energy recovery. The FreeSpin In-line Turboexpander
(FIT) generator recovers high-pressure energy
at pressure reduction stations and converts it
into electricity. A first installation in Italy in 2019 was
followed by two additional installations early this
year in Japan. It is expected that FIT can play a
key role in maximizing the efficiency of gas energy
consumption and reducing CO2 emissions.
n
Dorothy Lozowski, Editorial Director
* For more about the Kirkpatrick Award, see www.chemengonline.com/kirkpatrick-award/
CHEMICAL ENGINEERING WWW.CHEMENGONLINE.COM
JULY 2021
http://www.accessintel.com http://www.chemengonline.com/kirkpatrick-award/ http://WWW.CHEMENGONLINE.COM
Chemical Engineering July 2021

Table of Contents for the Digital Edition of Chemical Engineering July 2021
