과산화수소 보존표백시 Silicate 대체 약품에 관한 연구

김성권; 정성욱; Michalowski RJ

Journal of the Korean Industrial and Engineering Chemistry, Vol.9, No.5, 754-757, October, 1998

Export Citation

과산화수소 보존표백시 Silicate 대체 약품에 관한 연구

Studies on the Sequestering Agent to Replace Silicate in Peroxide Bleaching System

김성권, 정성욱, Michalowski RJ

초록

본 연구는 탈묵펄프 공정의 과산화수소 보존표백시 과산화수소 안정제 Versenate PS에 의한 silicate 대체효과를 검토하였다. 대체 가능성을 파악하기 위하여 silicate 및 Versenate PS 처리 표백시 전처리와 가성소다의 초적화 실험을 시행한 후 잔류 과산화수소의 함량과 백색도를 측정하였다. 얻은 결과를 요약하면 다음과 같다. 1. Silicate 처리 표백시 가성소다의 최적농도는 2.5∼3.0%였다. 2. Versenate PS 처리 표백시에는 가성소다의 최적농도는 1.0∼1.5%였다. 3. Versenate PS 단독 처리만으로는 만족할 만한 표백효과를 나타내지 못했다. 4. Versenate PS 처리 표백시에는 silicate양을 상당량 줄일 수 있다. 5. DTPA로 전처리 하는 것이 좀 더 높은 표백효율을 나타내었다.

This study was carried out to investigate the effect of replacing silicate by Versenate PS peroxide stabilizer in a peroxide bleaching system of deinked pulp process. To evaluate the possibility of replacement, optimization of pretreatment and caustic in bleaching for stock treated with silicate and Versenate PS were performed. After these performance, residual peroxide content and brightness were measured. Results obtained form this study were summarized as follows : 1. Caustic concentration in bleaching system treated with silicate was optimized at 2.5∼3.0%. 2. Caustic concentration in bleaching system treated with Versenate PS was optimized at 1.0∼1.5%. 3. Versenate PS alone did not provide satisfying bleaching effect. 4. Bleaching system treated with Versenate PS had potential to reduce silicate. 5. DTPA pretreatment provided higher bleaching efficiency.

Keywords:Versenate PS;Residual Peroxide;Brightness;Caustic;DTPA

[References]

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[1] Fairrbank MG, Colodette JL, Ali T, Mctellan F, Whiting P, J. Pulp Paper Sci., 15, J132 (1989)

[2] Colodette JL, Rothenberg S, Dence CW, J. Pulp Paper Sci., 15, J3 (1989)

[3] Ferguson LD, TAPPI J., 75, 75 (1992)

[4] Fevre GL, Moran JR, TAPPI J., 79, 77 (1996)

[5] Linhart F, Auborn WJ, Degen HJ, Lorz R, TAPPI J., 70, 79 (1987)

[6] Abubakr SM, Hrufiord BF, Reichert TW, Mekean WT, TAPPI J., 73, 143 (1990)

[7] Kuzynski K, Nijs H, May BH, TAPPI J., 71, 671 (1988)

[8] Kuzynski K, Nijs H, May BH, TAPPI J., 71, 142 (1988)

[9] Kraft F, "Pulp and Paper Manufacture," 2nd ed., McGraw-Hill Book Co., New York, p. 628 ~ 725 (1967)

[10] Prasakis J, Sain M, Daneault C, TAPPI J., 79, 161 (1996)

[11] Gupta VN, Pulp Paper Mag. Canada, 71, 69 (1970)

[12] Bambrick DR, TAPPI J., 68, 96 (1985)

[13] Michalowski RJ, The 11th Int'l Seminar for Paper-Making Technology, Seoul, Korea, p. 37 (1996)