USE OF CENTRAL COMPOSITE DESIGN IN CELLUOSIC INDUSTRIAL RESEARCH: DIMETHYL FORMAMIDE PULPING OF BAGASSE

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REZAYATI CHARANI PEZHMAN; MOHAMMADI ROUSHAN DEH J.; Navaee S.; POURJOUZI M.; RESALATI H.; KAZEMI NAJAFI S.

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Journal: Iranian Journal of Polymer Science and Technology Year:2006 | Volume:18 | Issue:6 (ISSUE NO. 80) Page(s): 345-358

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Title

USE OF CENTRAL COMPOSITE DESIGN IN CELLUOSIC INDUSTRIAL RESEARCH: DIMETHYL FORMAMIDE PULPING OF BAGASSE

Author(s)

Keywords

CENTRAL COMPOSITE DESIGNQ4

FACTORIAL DESIGNQ4

MULTIPLE REGRESSIONQ4

DIMETHYL FORMAMIDEQ4

BAGASSEQ3

Abstract

Organosolv pulping of BAGASSE was conducted following a CENTRAL COMPOSITE DESIGN (central composite FACTORIAL DESIGN) using a two-level factorial plan involving three pulping variables (temperature: 190-210°C, time: 120-180 min, organic solvent charge: 40-60% DIMETHYL FORMAMIDE). Properties of pulp were analyzed using multiple linear regressions by statistical software (Minitab 14). Analyzed main factors revealed that optimum are: 82.7% (yield), 92.9 (kappa number), 95.84% (holocellulose), 83.53% (a-cellulose), 1.403% (ash), 2.562% (ethanol-dichloromethane extractives contents) and 6.91 (pH) for pulps. The results showed that acceptable physical and chemical properties of pulps could be gained at 200 to 210°C for 150 min and 40-60% DMF. According to the obtained result, this method can be used for pulping of BAGASSE equivalent NSSC concerning high yield at a fixed kappa number. Also BAGASSE could be pulped with ease to about 55.5% yield with kappa number ~35%. The numerical analyses showed that cooking temperature had the highest influence on properties of pulps within the DMF concentrations and cooking time.

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APA: Copy

REZAYATI CHARANI, PEZHMAN, MOHAMMADI ROUSHAN DEH, J., Navaee, S., POURJOUZI, M., RESALATI, H., & KAZEMI NAJAFI, S.. (2006). USE OF CENTRAL COMPOSITE DESIGN IN CELLUOSIC INDUSTRIAL RESEARCH: DIMETHYL FORMAMIDE PULPING OF BAGASSE. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), 18(6 (ISSUE NO. 80)), 345-358. SID. https://sid.ir/paper/6376/en

Vancouver: Copy

REZAYATI CHARANI PEZHMAN, MOHAMMADI ROUSHAN DEH J., Navaee S., POURJOUZI M., RESALATI H., KAZEMI NAJAFI S.. USE OF CENTRAL COMPOSITE DESIGN IN CELLUOSIC INDUSTRIAL RESEARCH: DIMETHYL FORMAMIDE PULPING OF BAGASSE. IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN)[Internet]. 2006;18(6 (ISSUE NO. 80)):345-358. Available from: https://sid.ir/paper/6376/en

IEEE: Copy

PEZHMAN REZAYATI CHARANI, J. MOHAMMADI ROUSHAN DEH, S. Navaee, M. POURJOUZI, H. RESALATI, and S. KAZEMI NAJAFI, “USE OF CENTRAL COMPOSITE DESIGN IN CELLUOSIC INDUSTRIAL RESEARCH: DIMETHYL FORMAMIDE PULPING OF BAGASSE,” IRANIAN JOURNAL OF POLYMER SCIENCE AND TECHNOLOGY (PERSIAN), vol. 18, no. 6 (ISSUE NO. 80), pp. 345–358, 2006, [Online]. Available: https://sid.ir/paper/6376/en

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