【正文】 科，一年生草本植物生長于池沼、河岸、湖邊、水渠、路旁，葉片廣披針形，排列成兩行，夏秋開花，圓錐花序長 1014cm，葦與荻常混生，荻分枝稍伸展，而葦?shù)姆种^為合攏。另一方面，我國有足夠的禾草類纖維資源，長期以來積累了豐富的禾草類纖維制漿造紙的經(jīng)驗，事實證明，草類纖維原料在中國紙業(yè)中將繼續(xù)發(fā)揮舉足輕重的作用。隨著國民經(jīng)濟的發(fā)展，我國紙和紙板需求量于 2022 年將達到 8000 萬噸，如果平均噸紙消耗 45 立方米木材，大概需要 億公頃林地，根據(jù)國家林業(yè)局第六次全國森林資源清查結(jié)果，目前我國人工林面積僅為 億公頃。為了擺脫環(huán)境被污染，實現(xiàn)社會可持續(xù)發(fā)展，近些年人們進行大量的研究，ECF 和 TCF 的成功應(yīng)用，TCF 高白度漂白系統(tǒng)，二氧化氯都不用，從根本上解決氯污染，使用紙漿漂白工業(yè)進行了無污染的時代。關(guān)鍵詞：蘆葦硫酸鹽法漿，NaNO3,氧堿漂白，過氧化氫，少氯漂白ABSTRACTBleaching after reed plup has been deal with,and pare with conventionality CEH three sequence bleaching,the possibility of bleaching for low chlorine has been discusscd.The results show that: the conventionality CEH three sequence bleaching with the optimum conditions of C sequence consistency of pulp 3%,time60min,temperature 25℃,pH less then sequence consistency of pulp 10%,time90min,temperature 60℃,pH more then 10. H sequence consistency of pulp 6%,time120min,temperature 40℃,pH about (ending). absolutely dry of pulp 8g, use chlorine 8%,C:H=: the brightness was the best of all.If use NaNO3 deal with the CEH three sequence bleaching in advance ,the result will be obtain higher brightness. with the optimum conditions of NaNO3 deal with in advance: consistency of pulp 9%,the mol/l NaNO3 of dosage 26ml ,the H2SO4 of dosage %, temperature 90℃,time 120min, kappa value fall to pare with formerly ,the brightness of use chlorine 4% has been deal with attin top of %ISO,add to 10% two sequence bleaching after NaNO3 deal with., the brightness reach %ISO,viscosity with the optimum conditions of oxygen bleaching deal with in advance:acidity of H2O2 %,consistency of pulp 5%,time30min,temperature 60℃,Ph value the optimum conditions of oxygen %,top temperature 115℃,heat preservation 60min, oxygen press , %, H2O2 %, absolutely dry of pulp 20g, consistency of pulp 10%, the viscosity fall to after bleaching ,kappa value . CEH three sequence bleaching after oxygen bleaching has been deal with,the brightness increase %ISO, the viscosity fall to The conventionality CEpH three sequence bleaching with the optimum conditions of :C 、E and H sequence conditions the same as conventionality CEH three sequence sequencecontain p sequence of H2O2 %,Na2SiO3 2%,%, the brightness of use chlorine 8%than conventionality CEH three sequence bleaching2%ISO,the viscosity fall to 618ml/g.The results show that, the brightness of bleaching after reed has been deal with are all increase. the brightness of oxygen bleaching most increase,but the viscosity fall a great ,thought the brightness of H2O2 bleaching increase does not many, the viscosity fall a litter.Key words: KP reed plup, NaNO3,oxygen bleaching, hydrogen peroxide, low chlorine bleaching目 錄第一章 前言 ............................................I 制漿原料蘆葦 ..............................................1 蘆葦?shù)睦w維特性及形態(tài)特征 .............................1 葦漿應(yīng)用范圍 .........................................2 制漿方法硫酸鹽法制漿 ......................................3 少氯漂白 ...................................................3 常規(guī) CEH 三段漂 .......................................3 氧系漂劑的應(yīng)用及發(fā)展 .......................................5 氧堿漂白 .............................................5 過氧化氫漂白 ..............................................10 過氧化氫與木素的化學(xué)反應(yīng) ............................10 過氧化氫與碳水化合物的反應(yīng) ..........................10 過氧化氫漂白的改進與發(fā)展 ............................11 硝酸鈉預(yù)處理 ..............................................11第二章 實驗 ...........................................12 ＫＰ法蘆葦漿的制備 ........................................12 原料來源 .............................................12 蒸煮工藝條件 .........................................12 蒸煮藥品 ............................................12 蒸煮過程 .............................................12 漿料分析 ............................................13 漂白方法 ................................................13 漂白藥品 .......................................................................................................13 氧堿漂白前的預(yù)處理 ..................................14 氧堿漂白 ............................................15 硝酸鈉活化預(yù)處理設(shè)備恒溫加熱水浴鍋 ...............16 漿片分析 ..................................................17第三章 結(jié)果與討論 .....................................18 常規(guī) CEH 三段漂白適宜條件的探討 ............................18 用氯量對白度的影響 ..................................18 H 段用堿量探討 ......................................19 H 段時間對漂白的影響 .................................21 酸性硝酸鈉前處理效果探討 ..................................22 酸性硝酸鈉處理適宜條件的探索 ........................22 活化劑用量的影響 ....................................24 時間對處理的影響 ....................................25 溫度對處理的影響 ....................................25 硝酸鈉處理后 CEH 常規(guī)漂 ..............................273．3 氧堿漂白處理后的 CEH 三段漂 ...............................293．3．1 氧堿漂處理 .........................................29 氧堿漂白后的 CEH 漂 ..................................30 減氯的 CEH 三段漂 ....................................31 CEPH 漂白的研究 ............................................32第四章 結(jié)論 ...........................................34參考文獻 ...............................................35致 謝 .................................................36第一章 前 言20 世紀以來，隨著工業(yè)的發(fā)展，污染問題逐漸成為迫切解決的問題。CEpH 漂白的最佳條件為：C 段，