Detail publikace

Total site mass, heat and power integration using process integration and process graph

Ong, B.H. Walmsley, T.G. Atkins, M.J. Walmsley, M.R.

Originální název

Total site mass, heat and power integration using process integration and process graph

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

This paper aims to develop a novel method to visualise and solve Total Site Mass, Heat and Power Integration problem using a combination of Process Integration and P-graph techniques. Previous methods dealing with mass, heat and power integration are based on Mathematical Programming, which has the disadvantage of lacking adequate visualisation tools during the construction and optimisation of the problem. It also can face computational issues as problems become increasingly complex. The new method incorporates three important process engineering tools: (1) process modelling of mass and energy balance, (2) Pinch Analysis of individual processes and Total Site Heat Integration of clusters of related processes, and (3) the construction of a Total Site superstructure within the P-graph framework to represent the possible mass, heat, and power interconnections between process and utility systems. To demonstrate the method, a biorefinery case study is investigated. The basis for the biorefinery is a Kraft pulp mill in combination with three potential processes, combined heat and power, and geothermal steam. The three considered new processes are gasification for dimethyl-ether production, simultaneous scarification and co-fermentation of pine for ethanol production, and hydrothermal liquefaction for bio-oil production. Results from the case study show the current optimal solution as a Kraft mill with geothermal heat achieving a profit (revenue less energy and capital costs) of NZD $283 M/y. A near-optimal solution has hydrothermal liquefaction added to the Kraft mill with geothermal heat with a profit of NZD $252 M/y.

Klíčová slova

Combined heat and power; Mathematical programming; Optimisation; P-graph; Process integration; Total site integration; Fuels; Geothermal heating; Kraft pulp; Liquefaction; Mathematical programming; Optimal systems; Process engineering; Profitability; Refining; Combined heat and power; Hydrothermal liquefactions; Mass and energy balance; Near-optimal solutions; Optimisations; P-graphs; Power interconnections; Process integration; Geothermal energy; Kraft Mills; Liquefaction; Power; Processes;

Autoři

Ong, B.H.; Walmsley, T.G.; Atkins, M.J.; Walmsley, M.R.

Vydáno

1. 1. 2018

Nakladatel

Elsevier Ltd

ISSN

0959-6526

Periodikum

Journal of Cleaner Production

Číslo

167

Stát

Spojené království Velké Británie a Severního Irska

Strany od

32

Strany do

43

Strany počet

12

BibTex

@article{BUT146165,
  author="Ong, B.H. and Walmsley, T.G. and Atkins, M.J. and Walmsley, M.R.",
  title="Total site mass, heat and power integration using process integration and process graph",
  journal="Journal of Cleaner Production",
  year="2018",
  number="167",
  pages="32--43",
  doi="10.1016/j.jclepro.2017.08.035",
  issn="0959-6526"
}