Page 192 - CW E-Magazine (19-12-2023)

Special Report Special Report

Cogeneration with steam turbines: Powering chemical plant and higher Operation & Mainte- to work collaboratively with leading CHP plants & 14-GW addition through
energy-intensive chemical companies & bagasse-based cogeneration.
nance (O&M) costs due to a more com-
plants & communities plex assembly of systems, compared install CHP solutions at scale, driving Concluding remarks
to simple power generation & heat benchmark effi ciencies for the plants.
Chemical industry – India & the According to an International Energy ARUN MOTE generation systems. A simplifi ed cost Policy makers, energy-intensive
Target Your Market More Effectively
world Agency (IEA) report, approximately Executive Director & CEO analysis of different cogeneration con- Cogeneration market, globally, is industries, energy agencies, Engineer-
he chemical industry constitutes $450-bn continues to be invested annu- Triveni Turbines fi gurations can be done with existing estimated to be US$26.6-bn, as per ing, Procurement, and Construction
IndiaChemTrade
ChemImpex
manufacture of basic chemicals ally, globally, for energy effi ciency Email: arunmote@triveniturbines.com installations, as a source of data. 2021 fi gures, and is expected to grow (EPC), contractors, process licensors
T(fertilizers, plastics, synthetic improvement & other end uses. to $35.2-bn by 2026. and original equipment manufacturers
(OEMs) have to work in consonance
For subscribers only
rubbers), pesticides & agrochemicals, be a driver for pumps and compressors Specifi c installation cost (cost/kW) Free for subscribers of Chemical Weekly
paints & coatings, soaps & deter- Adoption of cogeneration in cogeneration plants. for gas turbine based CHP plants are The Asia-Pacifi c market is expected to improve the global energy infra-
ChemImpex, the trade database, tracks, on a daily
IndiaChemTrade provides consolidated trade statistics
gents, explosives & pyrotechnic pro- One of the energy effi ciency im- 50-75% higher compared to that of to lead in terms of CHP installations, structure and assist nations walk the
basis, exports and imports of chemicals and related
of India. The information provided here is based on the
ducts, glues & essential oils, man-made provement solutions is adoption of co- Design of cogeneration systems steam turbines based CHP plants, with over the next few years. Germany is the path towards energy effi ciency & net
annual trade data published by the Directorate General
products through the major ports in India — a vital
fi bers, etc. About 10% of all fossil generation, also referred to combined Cogeneration systems can be de- consideration of 15-MW power capa- largest CHP market in Europe. Policy zero emissions.
of Commercial Intelligence and Statistics, Government
source of commercial intelligence. Find out on-line
fuels produced, globally, are consumed heat & power (CHP). Cogeneration signed as Electrical Load Matching or city. From an O&M cost perspective, measures from national governments
of India. The database can be searched by: Chemical
how international markets are moving; where your
by the chemical industry, resulting is simultaneous generation of heat for Thermal Load Matching systems – de- gas turbine based CHP systems can be, are key to accelerated adoption of ABOUT TRIVENI TURBINES
Name/Harmonised
competitors are exporting and at what price; where
Triveni Turbines is a leader in the
in 2-Gt (gigatonnes) of greenhouse process utilisation and power as per pending on the priorities of the plant. roughly, 50% more expensive. CHP plant systems. Policy measures in Code to obtain the consolidated
Germany, for example, provide tax incen-
sub-100 MW steam turbine market,
gas (GHG) emissions per annum. demand. When the heat for industrial The defi cit/excess of electrical/thermal imports are coming from and how their prices are trade (import or export) in that item; or by Country to
Specifi c production cost (SPC) of tives for biomass-based CHP systems. catering to sugar, distillery, cement,
In this context, the industry offers process/district heating is generated load can be managed with the external moving. Download all this data, seamlessly, for a obtain the trade (import or export) in all chemicals and
enormous potential in terms of adoption separately and power is produced sepa- supply/demand. CHP plants, measured in US$/MWh, A similar policy environment exists in steel, food processing, pulp & paper,
related products between India and that country
small fee — online, anytime, with no hassles.
of sustainable technology alternatives. rately, the systems are less effi cient. based on 17-MW power capacity and USA, where tax incentives & rebates pharmaceuticals, petroleum refi neries,
ChemXchange
The industry has also widened its focus However, when heat production & Typical power-to-heat (PtH) ratios with certain defi ned plant parameters, are promoting cogeneration installa- chemicals, petrochemicals and fertiliser
to include climate actions, in addition power generation are combined into a for cogeneration systems with com- with simple cycle gas turbines is lower, tions. Both are targeting around 20% industries. Over the past 60 years, the
Open to all registered users — no subscription required
to emissions reduction & safety. single system, effi ciencies up to 80% bined cycle [GT- Heat Recovery Steam as compared to the combined cycle or share for power generation from CHP company has installed 6,000+ turbines
ChemXchange — the chemical exchange with a difference — is where you can identify your buyers and sup-
can be achieved. Generator (HRSG)-ST] arrangement steam turbine based CHP installations. plants. in 80 countries, with over 16-GW
plyers on-line, any time. This unique platform is free to all advertisers in the print version of Chemical Weekly.
The chemical industry invests heav- can range between 0.5-1, with overall However, combined cycle CHP power capacity in total.
ily in innovation and research & deve- Cogeneration can consist of gas plant effi ciency ranging between SPC is lower, as compared to steam In India, approximately 500-MW of
For more information contact: 022-24044477. Fax: 022-24044450
lopment (R&D). China, USA & India turbines, steam turbines, reciprocating 70-80%. turbine based CHP power SPC. waste heat recovery power & 10.2-GW Triveni Turbines has steam turbine
portfolio customised to the needs of the
of biomass based cogeneration capa-
are among the top-ten chemical R&D engines & thermal energy storage as Email: corporate@chemicalweekly.com or log on to chemicalweekly.com
spenders & the countries have policy technologies and equipment. Gas tur- When steam turbines alone is used CHP markets city exists, as on March 2022. Indian chemical industry and has reference
frameworks for adoption of sustainable bines (GT) & steam turbines (ST) are for cogeneration, the PtH ratio can be Few OEM manufacturers from the policy makers also estimate a potential units, operating successfully in chemi-
energy solutions by the industry. Green more common equipment among CHP low, ranging between 0.05-0.3. developing world have taken the lead of 28-GW addition from biomass-based cal plants in India & worldwide.
hydrogen & energy effi ciency themes installations.
are central to chemical industry’s It is observed that the nature of the
efforts to reduce emissions, in conso- Gas turbine CHP installations are plant (i.e., petroleum refi ning, chemi-
nance with COP-26 (26th Conference seen in large combined cycle power cal, fertiliser) can determine the PtH
of Parties), held in Glasgow. plants. In the chemical industry, the ratio & can infl uence the overall effi -
CHP installations typically include ciency. For fertiliser industry, the ratio
Energy effi ciency improvements steam turbines and, more commonly, averages 0.3, whereas for breweries, Missed a copy !!!
Energy effi ciency improvement is in a combined cycle arrangement. the ratio is below 0.2. Other factors that
central in the path towards a low car- infl uence the applied technology (GT/ For Digital Edition of this month’s issue & all other past issues
bon future. Energy effi ciency improve- Steam turbines used in CHP appli- ST/Reciprocating Engines) include the
ments lead to enhanced energy security, cations can be back-pressure or con- load patterns, fuel availability, island Visit www.hpicindia.com
reduce pressure on national budgets, densing type with extraction, as per mode vs. parallel mode operation of
increase competitiveness and improve the demands of the chemical plant. plant, and local environmental regula- PDF copies available for download
operations, besides reducing emissions. Intermittency of heat/steam availability tions.
An analysis, by Deloitte, also lists and need to dump steam as required Register Now
Mrs. Usha S. - usha@hpicindia.com
energy effi ciency improvement as a so- by process constraints in chemical in- Economics of CHP technology
lution with high maturity & scalability, dustries can also be managed through One of the hurdles to improved Contact: For Subscription : Mrs. Usha S. - usha@hpicindia.com
in comparison to solutions with renew- adoption of steam turbines with injec- adoption of CHP technology is the signi- For Advertising : Mr. Vijay Raghavan - vijay@hpicindia.com
ables or blue/green hydrogen. tion capability. Steam turbines can also fi cantly high initial capital cost of the
192 Chemical Weekly December 19, 2023 Chemical Weekly December 19, 2023 193
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