Co-ordination of pinch technology and the MIND method—applied to a Swedish board mill

Bengtsson, Charlotte; Karlsson, Magnus; Berntsson, Thore; Söderström, Mats

doi:10.1016/s1359-4311(01)00080-1

Cited by 25 publications

(18 citation statements)

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“…Wising et al (2005), Bengtsson et al (2001), Andersson et al (2006), and Klugman et al (2007). To our awareness, no published study has yet emphasized the reasons for non-adoption of energy efficiency measures that are cost-effective in accordance with the company's own payoff criteria, and that therefore should be implemented.…”

Section: Methodsmentioning

confidence: 99%

“…In a Swedish case study of a chemical mill it is stated that it is not unlikely that these energy efficiency potential is valid for the studied mill (Klugman et al, 2007). Furthermore, other research indicates, at least technically, that potential also exists for further significant energy efficiency improvements in other areas, for example process heat integration (pinch) analysis (Wising et al, 2005;Bengtsson et al, 2001;Andersson et al, 2006;Holmberg & Gustavsson, 2007;Möllersten et al, 2003;STFI, 2003,).…”

Section: The Swedish Pulp and Paper Industrymentioning

confidence: 99%

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An energy efficient Swedish pulp and paper industry – exploring barriers to and driving forces for cost-effective energy efficiency investments

2008

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Section: Methodsmentioning

confidence: 99%

Section: The Swedish Pulp and Paper Industrymentioning

confidence: 99%

An energy efficient Swedish pulp and paper industry – exploring barriers to and driving forces for cost-effective energy efficiency investments

2008

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“…IO has been used in several previous studies for economic evaluation for different processes [e.g. [35][36][37]. The IO in this paper is thus presented as the annual difference in energy costs between the systems with and without available excess heat.…”

Section: Economic Evaluationmentioning

confidence: 99%

Industrial excess heat use: Systems analysis and CO2 emissions reduction

Viklund¹,

Karlsson²

2015

Applied Energy

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The adopted energy efficiency directive stresses the use of excess heat as a way to reach the EU target of primary energy use. Use of industrial excess heat may result in decreased energy demand, CO2 emissions reduction, and economic gains. In this study, an energy systems analysis is performed with the aim of investigating how excess heat should be used, and the impact on CO2 emissions. The manner in which the heat is recovered will affect the system. The influence of excess heat recovery and the trade-off between heat recovery for heating or cooling applications and electricity production has been investigated using the energy systems modeling tool reMIND. The model has been optimized by minimizing the system cost. The results show that it is favorable to recover the available excess heat in all the investigated energy market scenarios, and that heat driven electricity production is not a part of the optimal solution. The trade-off between use of recovered excess heat in the heating or cooling system depends on the energy market prices and the type of heat production. The introduction of excess heat reduces the CO2 emissions in the system for all the studied energy market scenarios.

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“…Therefore, the total IO depends on the company pay-back requirements for the given investment. IO calculation has previously been used to evaluate the economic opportunities for energy-efficiency investments and measures; see, for example, (Bengtsson et al, 2002;Heyne and Harvey, 2013;Wetterlund et al, 2011). The IO needs to include the actual investment cost as well as other associated costs, such as those of operation and maintenance.…”

Section: Economic Evaluation: Investment Opportunitymentioning

confidence: 99%

System studies of the use of industrial excess heat

Viklund¹

2015

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Energy, materials, and by-products, can be exchanged between companies, having positive effects in the form of improved resource efficiency, environmental benefits, and economic gains. One such energy stream that can be exchanged is excess heat, that is, heat generated as a by-product during, for example, industrial production. Excess heat will continue to play an important role in efforts to reduce greenhouse gas (GHG) emissions and improve energy efficiency. Using excess heat is therefore currently emphasized in EU policy as a way to reach EU climate targets.This thesis examines the opportunities of manufacturing industries to use industrial excess heat, and how doing so can positively affect industry, society, and the climate. Since different parts of the energy system are entangled, there is an inherent complexity in studying these systems and introducing excess heat in one part of the energy system may influence other parts of the system. This analysis has accordingly been conducted by combining studies from various perspectives, by applying both quantitative and qualitative methods and covering a broad range of aspects, such as technical possibilities as well as climate, policy, economics, and resource aspects.The results identify several opportunities and benefits accruing from excess heat use. Although excess heat is currently partly used as a thermal resource in district heating in Sweden, this thesis demonstrates that significant untapped excess heat is still available. The mapping conducted in the appended studies identifies excess heat in different energy carriers, mainly low-temperature water. Analysis of excess heat use in different recovery options demonstrated greater output when using excess heat in district heating than electricity production. Optimizing the trade-offs in excess heat used in a district heating network, heatdriven cooling, and electricity production under different energy market conditions while minimizing the system cost, however, indicated that the attractiveness of excess heat in district heating depends on the type of heat production in the system. Viewing excess heat as a low-cost energy source also makes it economically interesting, and creates opportunities to invest in excess heat-recovery solutions. Excess heat is often viewed as CO 2 neutral since unused excess heat may be regarded as wasted energy. The GHG mitigation potential of using excess heat, however, was found to be ambiguous. The appended studies demonstrate that using excess heat for electricity production or for applications that reduce the use of electricity reduces GHG emissions. The effects of using excess heat in district heating, on the vi other hand, depend on the energy market development, for example, the marginal electricity production and marginal use of biomass, and on the type of district heating system replaced. The interviews performed reveal that energy policy does influence excess heat use, being demonstrated both to promote and discourage excess heat use. Beyond national energy polic...

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Co-ordination of pinch technology and the MIND method—applied to a Swedish board mill

Cited by 25 publications

References 0 publications

An energy efficient Swedish pulp and paper industry – exploring barriers to and driving forces for cost-effective energy efficiency investments

An energy efficient Swedish pulp and paper industry – exploring barriers to and driving forces for cost-effective energy efficiency investments

Industrial excess heat use: Systems analysis and CO2 emissions reduction

System studies of the use of industrial excess heat

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