Optimization and modeling of ethanol–alkali pulping process of bamboo (Yushania alpina) by response surface methodology
Response surface methodology based on the central composite design was used to investigate modeling and optimizing the individual and interactive effects of independent process variables (temperature, pulping time, ethanol concentration and alkali concentration) on the yield, kappa number and bright...
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| Veröffentlicht in: | Wood science and technology 2020-09, Vol.54 (5), p.1319-1347 |
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| description | Response surface methodology based on the central composite design was used to investigate modeling and optimizing the individual and interactive effects of independent process variables (temperature, pulping time, ethanol concentration and alkali concentration) on the yield, kappa number and brightness of the pulp produced from the bamboo species
Yushania alpina
. Based on the central composite design, quadratic models and two-factor interactions were developed and correlated the pulp yield, kappa number and brightness of the pulps. The most significant parameters that affect the pulp yield, kappa number and brightness of the pulp were found to be temperature, ethanol concentration and alkali concentration, respectively. The optimum process variables were found at a cooking temperature of 162.30 °C, cooking time of 180 min, ethanol concentration of 60% and alkali concentration of 18.03% producing maximum pulp yield of 53.56% and brightness of 63.85%, and minimum kappa number of 11.65, and desirability of 0.882. In addition, the chemical analysis of
Y. alpina
chips was compared with different bamboo species. The predicted optimum conditions provided tensile index, burst index and tear index of 48.25 kN m/kg, 2.95 kPa m
2
and 2.80 N m
2
/kg, respectively, and were experimentally confirmed. In general, the findings of the study show that pulp produced from the bamboo species
Y. alpina
is a suitable raw material for the paper and pulp industry. |
| doi_str_mv | 10.1007/s00226-020-01188-z |
| format | Article |
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Yushania alpina
. Based on the central composite design, quadratic models and two-factor interactions were developed and correlated the pulp yield, kappa number and brightness of the pulps. The most significant parameters that affect the pulp yield, kappa number and brightness of the pulp were found to be temperature, ethanol concentration and alkali concentration, respectively. The optimum process variables were found at a cooking temperature of 162.30 °C, cooking time of 180 min, ethanol concentration of 60% and alkali concentration of 18.03% producing maximum pulp yield of 53.56% and brightness of 63.85%, and minimum kappa number of 11.65, and desirability of 0.882. In addition, the chemical analysis of
Y. alpina
chips was compared with different bamboo species. The predicted optimum conditions provided tensile index, burst index and tear index of 48.25 kN m/kg, 2.95 kPa m
2
and 2.80 N m
2
/kg, respectively, and were experimentally confirmed. In general, the findings of the study show that pulp produced from the bamboo species
Y. alpina
is a suitable raw material for the paper and pulp industry.</description><identifier>ISSN: 0043-7719</identifier><identifier>EISSN: 1432-5225</identifier><identifier>DOI: 10.1007/s00226-020-01188-z</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Bamboo ; Biomedical and Life Sciences ; Brightness ; Ceramics ; Chemical analysis ; Composites ; Cooking ; Ethanol ; Glass ; Independent variables ; Life Sciences ; Machines ; Manufacturing ; Modelling ; Natural Materials ; Optimization ; Original ; Process variables ; Processes ; Pulp ; Pulp & paper industry ; Pulping ; Response surface methodology ; Species ; Wood Science & Technology ; Yttrium</subject><ispartof>Wood science and technology, 2020-09, Vol.54 (5), p.1319-1347</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-d346ef4d73361f2c56852cad1ee163c81155f2a9e4a1be8e3851ac4fcbb5f8ba3</citedby><cites>FETCH-LOGICAL-c356t-d346ef4d73361f2c56852cad1ee163c81155f2a9e4a1be8e3851ac4fcbb5f8ba3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00226-020-01188-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00226-020-01188-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Aklilu, Ermias Girma</creatorcontrib><title>Optimization and modeling of ethanol–alkali pulping process of bamboo (Yushania alpina) by response surface methodology</title><title>Wood science and technology</title><addtitle>Wood Sci Technol</addtitle><description>Response surface methodology based on the central composite design was used to investigate modeling and optimizing the individual and interactive effects of independent process variables (temperature, pulping time, ethanol concentration and alkali concentration) on the yield, kappa number and brightness of the pulp produced from the bamboo species
Yushania alpina
. Based on the central composite design, quadratic models and two-factor interactions were developed and correlated the pulp yield, kappa number and brightness of the pulps. The most significant parameters that affect the pulp yield, kappa number and brightness of the pulp were found to be temperature, ethanol concentration and alkali concentration, respectively. The optimum process variables were found at a cooking temperature of 162.30 °C, cooking time of 180 min, ethanol concentration of 60% and alkali concentration of 18.03% producing maximum pulp yield of 53.56% and brightness of 63.85%, and minimum kappa number of 11.65, and desirability of 0.882. In addition, the chemical analysis of
Y. alpina
chips was compared with different bamboo species. The predicted optimum conditions provided tensile index, burst index and tear index of 48.25 kN m/kg, 2.95 kPa m
2
and 2.80 N m
2
/kg, respectively, and were experimentally confirmed. In general, the findings of the study show that pulp produced from the bamboo species
Y. alpina
is a suitable raw material for the paper and pulp industry.</description><subject>Bamboo</subject><subject>Biomedical and Life Sciences</subject><subject>Brightness</subject><subject>Ceramics</subject><subject>Chemical analysis</subject><subject>Composites</subject><subject>Cooking</subject><subject>Ethanol</subject><subject>Glass</subject><subject>Independent variables</subject><subject>Life Sciences</subject><subject>Machines</subject><subject>Manufacturing</subject><subject>Modelling</subject><subject>Natural Materials</subject><subject>Optimization</subject><subject>Original</subject><subject>Process variables</subject><subject>Processes</subject><subject>Pulp</subject><subject>Pulp & paper industry</subject><subject>Pulping</subject><subject>Response surface methodology</subject><subject>Species</subject><subject>Wood Science & 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Girma</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-d346ef4d73361f2c56852cad1ee163c81155f2a9e4a1be8e3851ac4fcbb5f8ba3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Bamboo</topic><topic>Biomedical and Life Sciences</topic><topic>Brightness</topic><topic>Ceramics</topic><topic>Chemical analysis</topic><topic>Composites</topic><topic>Cooking</topic><topic>Ethanol</topic><topic>Glass</topic><topic>Independent variables</topic><topic>Life Sciences</topic><topic>Machines</topic><topic>Manufacturing</topic><topic>Modelling</topic><topic>Natural Materials</topic><topic>Optimization</topic><topic>Original</topic><topic>Process variables</topic><topic>Processes</topic><topic>Pulp</topic><topic>Pulp & paper industry</topic><topic>Pulping</topic><topic>Response surface methodology</topic><topic>Species</topic><topic>Wood Science & 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Technol</stitle><date>2020-09-01</date><risdate>2020</risdate><volume>54</volume><issue>5</issue><spage>1319</spage><epage>1347</epage><pages>1319-1347</pages><issn>0043-7719</issn><eissn>1432-5225</eissn><abstract>Response surface methodology based on the central composite design was used to investigate modeling and optimizing the individual and interactive effects of independent process variables (temperature, pulping time, ethanol concentration and alkali concentration) on the yield, kappa number and brightness of the pulp produced from the bamboo species
Yushania alpina
. Based on the central composite design, quadratic models and two-factor interactions were developed and correlated the pulp yield, kappa number and brightness of the pulps. The most significant parameters that affect the pulp yield, kappa number and brightness of the pulp were found to be temperature, ethanol concentration and alkali concentration, respectively. The optimum process variables were found at a cooking temperature of 162.30 °C, cooking time of 180 min, ethanol concentration of 60% and alkali concentration of 18.03% producing maximum pulp yield of 53.56% and brightness of 63.85%, and minimum kappa number of 11.65, and desirability of 0.882. In addition, the chemical analysis of
Y. alpina
chips was compared with different bamboo species. The predicted optimum conditions provided tensile index, burst index and tear index of 48.25 kN m/kg, 2.95 kPa m
2
and 2.80 N m
2
/kg, respectively, and were experimentally confirmed. In general, the findings of the study show that pulp produced from the bamboo species
Y. alpina
is a suitable raw material for the paper and pulp industry.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00226-020-01188-z</doi><tpages>29</tpages></addata></record> |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Bamboo Biomedical and Life Sciences Brightness Ceramics Chemical analysis Composites Cooking Ethanol Glass Independent variables Life Sciences Machines Manufacturing Modelling Natural Materials Optimization Original Process variables Processes Pulp Pulp & paper industry Pulping Response surface methodology Species Wood Science & Technology Yttrium |
| title | Optimization and modeling of ethanol–alkali pulping process of bamboo (Yushania alpina) by response surface methodology |
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