Technology of Paper Recycling

Front Cover
R. McKinney
Springer Science & Business Media, Nov 30, 1994 - Science - 401 pages
3 Reviews
This book covers the technology of the recovery of secondary fibre for its use in paper and board manufacture. The editor, who has had substantial practical experience of designing and commissioning paper recycling plants all over the world, leads a team of experts who discuss subjects including sourcing, characterisation, mechanical handling and preparation and de-inking.
 

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Contents

Wastepaper recovery and collection
1
12 Wastepaper recovery and reuse the global picture
2
13 Wastepaper grading systems
3
14 Definitions used in recycling and wastepaper collection
7
142 Yield
10
15 Recovery of wastepapers
11
151 Recovery of packaging grades
13
152 Recovery of news and magazines
16
761 Anaerobic treatment processes
220
762 Aerobic treatment processes
222
763 Activated sludge
225
764 Aerated lagoons aerated stabilisation basins
227
771 Sludge collection and blending
228
772 Sludge dewatering
229
773 Sludge stabilisation
230
774 Beneficial uses of sludges
232

153 Woodfree wastepaper recovery
18
16 Government policies regarding wastepaper collection
21
17 Wastepaper prices
23
171 Wastepaper value
25
References
26
Recovery and utilisation of wastepaper in Japan
28
22 Classification of wastepaper
31
23 Collection routes
32
24 Recovery and utilisation rates
35
25 Legislation
38
26 Quality of recycled paper
39
27 Outline of wastepaper treatment
41
28 Specified facilities and chemicals
42
284 Soaking
43
287 Deinking chemicals
44
Classification of Japanese standard qualities of wastepaper
45
References
47
Wastepaper preparation and contamination removal
48
32 Wastepaper contaminants
50
322 Stickies composition and formation
53
323 Control of stickies and other contaminants
62
33 Equipment layout
71
34 Wastepaper processing
79
342 Screening and cleaning
88
343 Dispersion
101
344 Deinking
112
References
124
Chemical use in recycling
130
42 Chemical use in deinking an overview
131
423 What wash deinking chemicals do
132
426 Flotation and combination deinking
133
427 Types and amounts of chemicals used in flotation deinking
134
429 How flotation deinking chemicals work
135
4210 Problems caused by flotation deinking chemicals
136
432 Soap
138
433 Calcium salts
139
434 Surfactants
142
435 Displector deinking chemicals
144
437 Hydrogen peroxide
145
438 Sodium silicate
146
439 Chelating agents
147
4312 Talc
148
4315 Flocculating chemicals
149
44 Some specific recycling problems
150
443 Carbonless copy paper
151
445 Filler removal
152
452 Enzymes
153
Recycled fibre bleaching
157
53 Hydrogen peroxide addition in the pulper
158
531 Total alkalinity optimisation
159
532 Sodium silicate optimisation
160
533 Bleaching and deinking
162
54 Hydrogen peroxide in tower bleaching
163
541 Pulp consistency
164
55 Pulper bleaching versus tower bleaching
165
56 Splitting of peroxide between pulper and tower
168
571 Deinking prior to dispersion
169
572 Bleaching results
170
574 Disperser energy
172
581 Metal ions
174
582 Catalase enzyme
176
583 Residuals of reductive bleaching agents
177
510 Reductive bleaching agents
178
References
179
The effects of recycling on pulp quality
180
62 The general effect of recycling
181
622 Mechanical pulps
184
63 Factors affecting the recycle potential
186
632 The influence of paper making history
188
633 The influence of converting history
194
634 The influence of the consumer and collector
195
64 Methods of controlling the paper making potential
197
642 Prevention of hornification
198
644 Chemical additives
199
646 Chemical reprocessing
200
References
201
Water and waste water treatment in recycling mills
204
72 Freshwater use in recycling
205
721 Freshwater treatment
207
73 Effluent loads
208
731 Specific chemical constituents of effluents
209
74 Effluent treatment standards
211
75 Physiochemical treatment processes waste water clarification
213
751 Pretreatment
216
753 Dissolved air flotation DAF
217
754 Filtration
219
78 Chemical use in water clarification and effluent treatment
233
782 Recycling mill backwater clarification
234
783 Nutrients nitrogen and phosphorus
239
References
241
Manufacture of packaging grades from wastepaper
244
811 Packaging products made from recycled fibres
246
82 Wastepaper grades used in packaging production
247
821 Wastepaper use in liner grades
249
822 Wastepaper use in corrugating medium
250
824 Wastepaper use in packaging papers
251
831 Pulping systems
252
832 Cleaning and screening systems
256
833 Rejects handling
261
834 Fractionation and dispersionkneading
262
835 Strength development by refining
271
836 Water treatment
272
84 Board machine runnability with recycled grades
274
85 Effect of the use of recycled fibres on product properties
276
851 Starch use in recycled grades
277
86 Properties of recycled fibre grades
280
861 Solid fibreboard boxboard
281
863 Liner board test liner
286
87 Use of OCC to produce bleached board
292
References
293
Manufacture of newsprint using recycled fibres
296
922 Old newspapers
297
923 Magazine
298
93 Recycled fibre processing
300
94 Production of newsprint from recycled fibres
304
95 Quality and performance of recycled newsprint
306
951 Economics of wastepaper usage capital costs
307
References
309
The manufacture of tissue using recycled fibres
311
1012 Wastepaper utilisation rates
313
1013 Specifications of recycled fibre for tissue production
314
102 Production problems associated with recycled fibres
316
1022 Problems due to high ash
319
1023 Problems due to stickies
320
1024 Sheet breaks
323
1025 Increased microbiological activity
324
103 Effects of recycledfibre use on tissue quality
326
1032 Effect on appearance
328
References
329
Manufacturing of printing and writing papers using recycled fibres
331
113 Recovered wastepaper grades
334
114 Recycledfibre manufacturing
336
116 Recycledfibre stock preparation systems
341
1162 Semiintegrated printing and writing mills
342
1163 Integrated printing and writing mills
343
118 Paper machine manufacturing technology
345
119 Quality and performance of recycled printing and writing papers
346
1192 Manufacturing efficiency for recycled printing and writing papers
347
1193 Recycled alkaline printing and writing papers
348
1111 Future for recycled printing and writing papers
349
References
350
Printing trends impact on paper recycling
351
122 The influence of paper grade and paper properties
352
1231 The pigment
353
1233 Additives
354
1241 Penetration and absorption drying
355
1243 Precipitation and neutralisation
356
1245 UV curing
357
125 Impact of different printing processes and recycling
358
1251 Letterpress
359
7252 Offset lithography
360
1253 Flexography
363
1254 Rotogravure
365
1255 Nonimpact printing
366
126 Future development trends of different printing processes
367
References
369
Bibliography
370
Environmental impacts of paper recycling
371
1311 Public health hazards
374
1312 Contribution of the paper industry to pollution
375
132 Relationships between paper recycling and current environmental issues
377
1321 Ozone depletion
378
1322 Global warming
379
1323 Forest depletion
380
1324 Utilisation of nonrenewable resources
381
1325 Acidification
382
1326 Water and air emissions
384
1327 Summary of environmental impacts
390
133 Environmental management systems
391
References
392
Index
395
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