Removal of alkali metals for the enhancement of fast pyrolysis process: Master's thesis

Sanna Renkonen

Research output: ThesisMaster's thesisTheses

Abstract

Alkali metals have detrimental effects on fast pyrolysis process for bio crude. In this thesis, a new process for the removal of these alkalis was designed. In this way, the yield, quality and profitability of pyrolysis process could be enhanced. The design of the unit included testing the wash process in laboratory and pilot scale, choosing the suitable equipment, drawing the flow chart including the control instruments, writing the operating instructions, calculating the mass balances, defining the technical values for the equipment. The economic potential of the unit was studied by searching the current prices for the equipment, calculating the fixed capital investment and the operating costs based on the balances and power consumption of equipment and comparing these to the grown sale incomes. Sensitivity analysis was performed for the fixed capital investment and the prices of chemicals: nitric acid and sodium hydroxide. In this Thesis, a process including the following phases was designed: The forest residue biomass is crushed into a finer particle size (to
Original languageEnglish
QualificationMaster Degree
Awarding Institution
  • Aalto University
Place of PublicationEspoo
Publisher
Publication statusPublished - 2016
MoE publication typeG2 Master's thesis, polytechnic Master's thesis

Fingerprint

Alkali metals
Pyrolysis
Nitric acid
Operating costs
Sensitivity analysis
Profitability
Sales
Biomass
Electric power utilization
Particle size
Sodium
Economics
Testing

Keywords

  • process design
  • biomass alkali removal
  • washing process
  • fast pyrolysis
  • bio-oil
  • rotary vacuum drum washer
  • reverse osmosis
  • mass balance
  • sizing
  • cost evaluate
  • sensitivity analysis

Cite this

Renkonen, Sanna. / Removal of alkali metals for the enhancement of fast pyrolysis process : Master's thesis. Espoo : Aalto University, 2016. 102 p.
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title = "Removal of alkali metals for the enhancement of fast pyrolysis process: Master's thesis",
abstract = "Alkali metals have detrimental effects on fast pyrolysis process for bio crude. In this thesis, a new process for the removal of these alkalis was designed. In this way, the yield, quality and profitability of pyrolysis process could be enhanced. The design of the unit included testing the wash process in laboratory and pilot scale, choosing the suitable equipment, drawing the flow chart including the control instruments, writing the operating instructions, calculating the mass balances, defining the technical values for the equipment. The economic potential of the unit was studied by searching the current prices for the equipment, calculating the fixed capital investment and the operating costs based on the balances and power consumption of equipment and comparing these to the grown sale incomes. Sensitivity analysis was performed for the fixed capital investment and the prices of chemicals: nitric acid and sodium hydroxide. In this Thesis, a process including the following phases was designed: The forest residue biomass is crushed into a finer particle size (to",
keywords = "process design, biomass alkali removal, washing process, fast pyrolysis, bio-oil, rotary vacuum drum washer, reverse osmosis, mass balance, sizing, cost evaluate, sensitivity analysis",
author = "Sanna Renkonen",
note = "BA3125 95 p. + app. 7 p.",
year = "2016",
language = "English",
publisher = "Aalto University",
address = "Finland",
school = "Aalto University",

}

Renkonen, S 2016, 'Removal of alkali metals for the enhancement of fast pyrolysis process: Master's thesis', Master Degree, Aalto University, Espoo.

Removal of alkali metals for the enhancement of fast pyrolysis process : Master's thesis. / Renkonen, Sanna.

Espoo : Aalto University, 2016. 102 p.

Research output: ThesisMaster's thesisTheses

TY - THES

T1 - Removal of alkali metals for the enhancement of fast pyrolysis process

T2 - Master's thesis

AU - Renkonen, Sanna

N1 - BA3125 95 p. + app. 7 p.

PY - 2016

Y1 - 2016

N2 - Alkali metals have detrimental effects on fast pyrolysis process for bio crude. In this thesis, a new process for the removal of these alkalis was designed. In this way, the yield, quality and profitability of pyrolysis process could be enhanced. The design of the unit included testing the wash process in laboratory and pilot scale, choosing the suitable equipment, drawing the flow chart including the control instruments, writing the operating instructions, calculating the mass balances, defining the technical values for the equipment. The economic potential of the unit was studied by searching the current prices for the equipment, calculating the fixed capital investment and the operating costs based on the balances and power consumption of equipment and comparing these to the grown sale incomes. Sensitivity analysis was performed for the fixed capital investment and the prices of chemicals: nitric acid and sodium hydroxide. In this Thesis, a process including the following phases was designed: The forest residue biomass is crushed into a finer particle size (to

AB - Alkali metals have detrimental effects on fast pyrolysis process for bio crude. In this thesis, a new process for the removal of these alkalis was designed. In this way, the yield, quality and profitability of pyrolysis process could be enhanced. The design of the unit included testing the wash process in laboratory and pilot scale, choosing the suitable equipment, drawing the flow chart including the control instruments, writing the operating instructions, calculating the mass balances, defining the technical values for the equipment. The economic potential of the unit was studied by searching the current prices for the equipment, calculating the fixed capital investment and the operating costs based on the balances and power consumption of equipment and comparing these to the grown sale incomes. Sensitivity analysis was performed for the fixed capital investment and the prices of chemicals: nitric acid and sodium hydroxide. In this Thesis, a process including the following phases was designed: The forest residue biomass is crushed into a finer particle size (to

KW - process design

KW - biomass alkali removal

KW - washing process

KW - fast pyrolysis

KW - bio-oil

KW - rotary vacuum drum washer

KW - reverse osmosis

KW - mass balance

KW - sizing

KW - cost evaluate

KW - sensitivity analysis

M3 - Master's thesis

PB - Aalto University

CY - Espoo

ER -