Page 178 - CW E-Magazine (25-6-2024)

Special Report Special Report

ChemProTech India 2024 – Exhibitor Showcase of Chemicals Market and New Appli- sion cladded on carbon steel. The clad
cations, NobelClad.
tensile strength exceeds the substrate
hemProTech India, the leading Institute of Chemical Technology fl uids and slurries. The company has shear strength by 100%. Also, the weld
exhibition for the process tech- (ICT), Mumbai. fi led a Indian Patent application for this NobelClad offers explosion weld- has high corrosion resistance.
Cnology and equipment industry, pump. ing and cladding services across all
and its co-located shows – ChemExpo A fl ow reactor is completely diffe- industry sectors. The company has ma- The company has also introduced
India and ChemLogistics India – were rent than a conventional batch reactor. A novel microreactor has been de- jor locations in the USA and Germany, another innovation called Tantalum
attended by nearly 25,000 visitors with There are two major strategies used signed for strongly exothermic reac- and offi ces all over the world. Some of clad. Tantalum is ideal for most se-
530 exhibitors over the two days, Apirl in chemicals manufacturing – product tions. It has a volume of 450-ml and the markets or industry sectors served vere corrosive situations and is the
24-25. The show also included several strategy and process strategy. Gene- offers excellent heat transfer and mass by the company are – chemicals, petro- metal of choice in installations where
platforms wherein exhibitors could en- rally, the process strategy is used for transfer performance. Indian patent chemicals, oil & gas, mining, metals, the glass-lined equipment is subject to
gage in educative sessions with inter- chemical products with established application has been fi led for this novel marine, defense, refrigeration, power mechanical shock and thermal failures.
ested visitors. The Exhibitor Showcases market. There is a need to use multi- microreactor, as well. generation including nuclear power, Metallography of macro- and micro-
ran through both days and were well disciplinary team of chemists, chemical and transportation. The company also specimens of direct tantalum clad plates
attended. engineers, mechanical engineers, etc. Novel agitated fl ow reactors have offers clad solutions for innovative with just 1mm clad thickness were Mr. Bhavesh Shah
at the design stage of fl ow reactors. been designed for viscous fl uids and technologies like geothermal energy, shown. It is possible to fabricate large
In the following pages, Dr. Ajit Joshi dense slurries. These are tubular reac- plastics recycling, lithium, hydrogen equipment with tantalum cladding. and offers high effi ciency, optimized
(drjoshi9@gmail.com), who conducted For designing a fl ow reactor for tors without any partitions, but they and carbon capture. fl ow. The process output undergoes
the proceedings, presents an overview converting a batch process to a conti- behave like ten stirred tank reactors in DetaPipeis a corrosion-resistant purifi cation to obtain pure nitrobenzene.
of the second session held on April 25. nuous one, the fi rst step is the study series. This agitated fl ow reactor has DetaClad is a proprietary explosion clad pipe spool system. It is a fabricated The benzene stripping process recovers
[Reports on the fi rst session was of chemical kinetics of the chemical narrower residence time distribution, welding process for welding two diffe- carbon steel pipe. Straight pipes, Ts and about 60-70% of benzene. There are
published in Chemical Weekly Dated reactions involved. The second stage and much greater heat transfer coeffi - rent metals together. It is purely an elbows can also be made with these several safety features of this process.
June 18, and the third session will involves design and simulation, based cient, leading to better thermal regula- engineering exercise. The two metal pipes. In the coming years, large-scale Counter-measures are in place to avoid
follow in a forthcoming edition. on the fl ow properties, hydrodynamics, tion. Indian patent application has been plates to be joined together are placed commercialization of the DetaPipe runaway reactions. It has process-inte-
etc. The use of straight tubes and fi led for this agitated fl ow reactor as at a certain distance from each other products is expected. grated temperature control.
Innovations in fl ow pinched tubes offer different results for well. and explosive is placed between the Mr. Ahlavadi also discussed various The KBR adiabatic process offers
plates. The explosive is detonated
mass transfer during the reactions. The
technology third step involves techno-economic DetaClad&DetaPipe – across the plates. The collision between Nobelclad solutions for nitric acid and several advantages over the isothermal
Dr. Vishwanath Dalvi, Consultant, analysis, while the fourth step is pilot- the metal plates generates a jet at the ammonium nitrate applications. process, including 10-15% lower cost
Amar Equipment Pvt. Ltd., Assistant ing or carrying out the process at pilot Clad solutions for interface joining them. The DetaClad of production.
Professor in Chemical Engineering, scale. This is used just to validate the nitric acid and nitrate process creates lasting bonds the fi rst Improving energy effi ci-
fl ow reactor design. It is interesting to time, no matter what the size or metal Various materials of construction
note that some or all of the reactor sec- applications combination of the plates. ency in the production are used to make reactors for diffe-
tions used in the pilot plant can later be Mukesh Ahlavadi, Global Director of nitrobenzene and rent KBR technologies – tantalum,
incorporated in the commercial scale Mr. Ahlavadi also presented several titanium, silicon carbide, glass-lining,
plant. The last or the fi fth step is the cladding innovations – 470 LI – Su- nitrochlorobenzene by PTFE-lining, etc. for these types of
establishment of a commercial scale perferritic stainless steel alloy, which adiabatic nitration tech- reactions. Stainless steel is used rarely
fl ow reactor plant. has about 22.25% chromium (Cr) and in this application.
less than 1% nickel (Ni). The chemical nology
The market demand of the product composition of 470 LI, various useful Bhavesh Shah, Director – Techno- Technology commer-
being manufactured decides the length properties, such as intra-granular cor- logy, KBR Inorganics Technology cialization challenges
of campaign or manufacturing time in rosion resistance, shear test results as Solutions, KBR Group.
the fl ow reactor. The process can be per ASTM A264, as well as various and ways to overcome
operated in a continuous mode. Also, research papers published about this In the KBR adiabatic process for
multiple products can be produced alloy, and its comparison with stain- nitration of benzene, a tubular reactor is them”.
in the same fl ow reactor in separate, less steels SS304 and SS316L, were used to carry out the exothermic reac- Dr. D. Shailaja, Chief Scientist &
continuous campaigns. discussed in detail. Metallography of tion. The heat produced in the process Chair, Business Development & Re-
macro and micro specimens of the weld is used to re-concentrate the dilute sul- search Management, Indian Institute of
Recently, a multipurpose pump has showed continuous waves, but no micro- phuric acid generated as a by-product Chemical Technology (IICT), Hyderabad.
been developed at Amar Equipment, cracks, even with 100X magnifi ca- during the reaction. The adiabatic pro-
Dr. Vishwanath Dalvi which can be used for diffi cult-to-pump Mr. Mukesh Ahlavadi tion. 470 LI can be successfully explo- cess minimizes by-product formation, In today’s VUCA (Volatile, Un-

178 Chemical Weekly June 25, 2024 Chemical Weekly June 25, 2024 179

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