Simulation of autohydrolysis effect on adsorptivity of wheat straw in the case of oil spill cleaning

D. Sidiras; F. Batzias; I. Konstantinou; M. Tsapatsis

doi:10.1016/j.cherd.2013.12.013

Simulation of autohydrolysis effect on adsorptivity of wheat straw in the case of oil spill cleaning

D. Sidiras, F. Batzias, I. Konstantinou, M. Tsapatsis

Chemical Engineering and Materials Science

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

This work deals with the use of chemically modified wheat straw as efficient low-cost adsorbent for combating oil-spills in aquatic environment. The autohydrolyzed wheat straw was produced from the corresponding raw material by autohydrolysis in a PARR batch reactor (autoclave) at 160-240°C for 0-50min isothermal reaction time (following a non-isothermal preheating period). Oil adsorbency tests were performed, using diesel and crude oil spills in freshwater and seawater. Diesel and crude oil adsorbency values were found to increase up to a maximum by intensifying the autohydrolysis conditions, i.e., time and temperature. The adsorbency values were estimated by a proposed novel model incorporating the autohydrolysis severity factor R₀. Optimal modification conditions were found for logR₀=5.15 (i.e., 200°C, 10min isothermal time period) giving diesel adsorbency up to 6.65gg^-1 and crude oil adsorbency up to 6.91gg^-1. The maximum adsorbency values were comparable to those of the commonly used commercial adsorbents.

Original language	English (US)
Pages (from-to)	1781-1791
Number of pages	11
Journal	Chemical Engineering Research and Design
Volume	92
Issue number	9
DOIs	https://doi.org/10.1016/j.cherd.2013.12.013
State	Published - Sep 2014

Bibliographical note

Funding Information:
This research has been co-financed by the European Union (European Social Fund – ESF) and Greek national funds through the Operational Program “Education and Lifelong Learning” of the National Strategic Reference Framework (NSRF) – Research Funding Program: Thalis–University Of Piraeus–Development Of New Material From Waste Biomass For Hydrocarbons Adsorption In Aquatic Environments (MIS 377356). Support from the University of Minnesota , is kindly acknowledged.

Keywords

Adsorbent
Autohydrolysis
Lignocellulosic
Oil spill
Simulation
Wheat straw

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title = "Simulation of autohydrolysis effect on adsorptivity of wheat straw in the case of oil spill cleaning",

abstract = "This work deals with the use of chemically modified wheat straw as efficient low-cost adsorbent for combating oil-spills in aquatic environment. The autohydrolyzed wheat straw was produced from the corresponding raw material by autohydrolysis in a PARR batch reactor (autoclave) at 160-240°C for 0-50min isothermal reaction time (following a non-isothermal preheating period). Oil adsorbency tests were performed, using diesel and crude oil spills in freshwater and seawater. Diesel and crude oil adsorbency values were found to increase up to a maximum by intensifying the autohydrolysis conditions, i.e., time and temperature. The adsorbency values were estimated by a proposed novel model incorporating the autohydrolysis severity factor R0. Optimal modification conditions were found for logR0=5.15 (i.e., 200°C, 10min isothermal time period) giving diesel adsorbency up to 6.65gg-1 and crude oil adsorbency up to 6.91gg-1. The maximum adsorbency values were comparable to those of the commonly used commercial adsorbents.",

keywords = "Adsorbent, Autohydrolysis, Lignocellulosic, Oil spill, Simulation, Wheat straw",

author = "D. Sidiras and F. Batzias and I. Konstantinou and M. Tsapatsis",

note = "Funding Information: This research has been co-financed by the European Union (European Social Fund – ESF) and Greek national funds through the Operational Program “Education and Lifelong Learning” of the National Strategic Reference Framework (NSRF) – Research Funding Program: Thalis–University Of Piraeus–Development Of New Material From Waste Biomass For Hydrocarbons Adsorption In Aquatic Environments (MIS 377356). Support from the University of Minnesota , is kindly acknowledged.",

year = "2014",

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doi = "10.1016/j.cherd.2013.12.013",

language = "English (US)",

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AU - Sidiras, D.

AU - Batzias, F.

AU - Konstantinou, I.

AU - Tsapatsis, M.

N1 - Funding Information: This research has been co-financed by the European Union (European Social Fund – ESF) and Greek national funds through the Operational Program “Education and Lifelong Learning” of the National Strategic Reference Framework (NSRF) – Research Funding Program: Thalis–University Of Piraeus–Development Of New Material From Waste Biomass For Hydrocarbons Adsorption In Aquatic Environments (MIS 377356). Support from the University of Minnesota , is kindly acknowledged.

PY - 2014/9

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N2 - This work deals with the use of chemically modified wheat straw as efficient low-cost adsorbent for combating oil-spills in aquatic environment. The autohydrolyzed wheat straw was produced from the corresponding raw material by autohydrolysis in a PARR batch reactor (autoclave) at 160-240°C for 0-50min isothermal reaction time (following a non-isothermal preheating period). Oil adsorbency tests were performed, using diesel and crude oil spills in freshwater and seawater. Diesel and crude oil adsorbency values were found to increase up to a maximum by intensifying the autohydrolysis conditions, i.e., time and temperature. The adsorbency values were estimated by a proposed novel model incorporating the autohydrolysis severity factor R0. Optimal modification conditions were found for logR0=5.15 (i.e., 200°C, 10min isothermal time period) giving diesel adsorbency up to 6.65gg-1 and crude oil adsorbency up to 6.91gg-1. The maximum adsorbency values were comparable to those of the commonly used commercial adsorbents.

AB - This work deals with the use of chemically modified wheat straw as efficient low-cost adsorbent for combating oil-spills in aquatic environment. The autohydrolyzed wheat straw was produced from the corresponding raw material by autohydrolysis in a PARR batch reactor (autoclave) at 160-240°C for 0-50min isothermal reaction time (following a non-isothermal preheating period). Oil adsorbency tests were performed, using diesel and crude oil spills in freshwater and seawater. Diesel and crude oil adsorbency values were found to increase up to a maximum by intensifying the autohydrolysis conditions, i.e., time and temperature. The adsorbency values were estimated by a proposed novel model incorporating the autohydrolysis severity factor R0. Optimal modification conditions were found for logR0=5.15 (i.e., 200°C, 10min isothermal time period) giving diesel adsorbency up to 6.65gg-1 and crude oil adsorbency up to 6.91gg-1. The maximum adsorbency values were comparable to those of the commonly used commercial adsorbents.

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