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Mechanical

Читайте также:
  1. Fig. 1.2 An overview of the basic mechanical pulping procedures.
  2. The History of Mechanical Engineering
  3. Well-softened and the fiber requires minimal mechanical energy for its liberation

Pulp

11 %

Other fibers

9 %

Recovered

Paper

46 %

Chemical pulp

34 %

Global Fiber Consumption 2002: 340 • 106 tons

Mechanical

Pulp

15 %

Other

Fibers

6 %

Recovered

Paper

49 %

Chemical

Pulp

30 %

CEPI fiber consumption: 87 • 106 tons

____ ___ _____ _______ _________ ___ _____ ___ _____ ____

______ __ ___ ____ _______ ___ __ ___ ___ _ ___ ____ ____

________ __ ___ +_____ __ 6______ 5_ _

1_______ 7 ___# 839+:_;16;___ _ *_6 < 1__ =* __ 8_____

35->? ____0___///__

©2006 WILEY-VCHVerlag GmbH&Co.

Handbook of Pulp

Edited by Herbert Sixta

____ _ _ __ ___ _ _____ __ _ ___ ___________ &__ __________ ____ _ __

__ _____ ____ _____ ___ __ _________ _ ___ _ _____ _ _ ____ _ ___ __ _ ___

________ __ _____ __ 3______ __ __ _________ __ __ ______ __ _ ___ ________

_____ ___ _ ___ _ __ ____ ___ _ ______ ________ _______ 3_ 1____ __ 5_______ __

8______ +______ ___ __ ___ __ _______ __ _____ ____ _ __ __ ___ ___ _ @ _ __

=___ _ & __ __ __ A_ ____ __ _______ _ __ ___ __ __ _____ __ _ ____ ________

__________

&_ _ ___ ________ __ __ _ _______ _____ __ ____ __ _________ _ ___ _ _______

__ _ _ ____ _ B _ __ __ __ ____ __ ____ _ __________; _____ __ ___ _ __

____ _ _________ _____ __ ________ ______ ___ __ __________ __ ___ _ ___ __

__ __ __ ____ &___ _________ ___ _________ _________ _ ___ __ ___ _ _ ____ __

_____ ____ _ __ __ ___ _ _______ __ ____ _ _________ _ ____ __ ____

5__ _ ___ __ __ __ __ ___ _ _ ___ ________ ______ _ __________ &__ ________

______ ____ ____ __ ____ ______ ___ _ ____ __ 1____ __ 8______ __ 5____

___ +_____ __ _________ __ *__ ___ C___ __ ___ ___ ______ __ ________ __ ____

___ _______ + ____ __ _________ ________ __ >___ _____ __ >______ +___

____ &_ __________ __ ________ ______ __ __ ______ _ _ _ __ ___ ____ _) ___

____ _ ____ __ ___)_ _________ __ __ _ ___ __ __ __ _____ ___ _______

&_ _ _ __,___ ___ _____ __ __ ____ _ _____ __ __ _____ _ _ ____ _ _______

____ ______ __ _ __ ____ ___ ____ C___ ___ ___ _______ __ __________ __ ____

___ ______ _____ ___ ___ ___ __ __#)_ ____ _ __ _____ __ __ ______ __ _____

__________ _ _ ___ _ _ _____ _ ___ &_ ___ __ _________ _ ___ ______ ___

______ ___ __ __ _/D___ -______ _/D_ __ _____ __ ____ _ _ ___ __________

1960 1965 1970 1975 1980 1985 1990 1995 2000 2005

Virgin fibers

Secondary fibers

Consumption, 106 tons

P. a.

P. a.

____ ___ _ ___ __ _ ______ __ ___ __ __ __!__ _____ ___

___ ____ _____ ___ _____ ___ _____ _________ __"#$%__

____ _ _________ ________ _____ __ _____ ___ ________

____ __ ___) ___ ____,__ ___ __________ __ ___ __ _________ _ ___ _____ ___

__ ___) __ _ __ ___ ___ ____ _ __ ___ _ _____ __ __ '____ __ ______ ______

!____ _ __ __ ___ _ ____ _ ____ _ _______ ____" _ _ ____ __#) __ __

3____ ____ _____ ____ __ _______ ____'___ _________ ___ __________ __ _____

__ ___ __ _________ _ ___ ______ __ _/D__ __ _//___ &__ _____ __ ___ __

________ ______ __ _______ __ ______ _ _____ _________ __ ________ __ ___

_ ____ ___ _ _______ __ _______ _ _____

&_ __________ __ _________ _ ___ _ _____ _ _ ____ _ ___ _ ___ __ __ __ ____

_______ _ ____ _____ ___ __ __ _________ _______ _______ _/D_ __ _____ ___

_D) __ (#) _________E ___ __) __ (D) __ __ 1+23 _________E __ ___ (#) __

#D) __ *__ ___

F_____ __ ______ __ ___ _____ _ __ _____ _ _____ __ __ ____ __)_______

_ _ __ ________ __ _ _ _______

_ _________ ________ _____ __ _____ ___ ________ ____

____

_

____ ___ ___ ____

___

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__ ______ ________ ____ __ _____ _____ ____ __ ______ ______ ________

____ ____ _____ _______ __ ____ ___ __ _!___"________ _" _______ ___ __#

________$ __ %___&_!%____ ___________ __ _ &'__'_____$ _____ __ ___#

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_______ *_____ __ +___ __ __,!_______ __))_____ "__ *______-____$

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________ __ ___ ____ ___ ____ __ ____ __________ _______

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__ 4______ _____

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_*%,3 0#8+2#0____#0

©2006 WILEY-VCHVerlag GmbH&Co.

Handbook of Pulp

Edited by Herbert Sixta

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(____"___ __ D__)__ ___ __________ _" _______ ____ _____ _______ _____"_#

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Recovered paper, 106 tons

60 %

69 %

75 %

78 %

1980 1990 2000 2002

Ordinary grades

Medium grades

High grades

Kraft grades

Special grades

60 %

66 %

75 %

78 %

Medium, high, kraft &

Special grades (cum.)

____ ___ _________ _ ___ __ __ __________ __ ______ __ ___ __ _____

(__ _)_____ ____ _" ________ ____ _____ __ _________ __ ___ F______: _" ____

_____ __ __ ___ ______ __ ___ D__)_ _______ _" D__ &_!___________#

______""___$_

(__ _:)____ _" _____ ____ _)__ __ __"________ _____ ___ ___ ____"_#

_____ _" ________ ____ __ ___ _""___ ____ ____ __ ___ __"___ ________ ____"____

1_____ _______ __ ______ ___ __"________ __ ______ "__ __)__ ____ _ ___#

___ "_____ _____ _____ __________ __)___)_) ________ __)_____ ______#

___ __ "_______ _______

(__ ___ _" ________ ____ __ ____ _________ __ ___ __ _ ________ _____

______ __ ____ _" ________ _____ __ +__+ ___ ____)_____ _" ________ ____

_" __ __ _ ________ __ _ "______3

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_ +.G ____<___ _____

_ +_G)_:__ _____

_ _0G _____ _____ ________ ____ ______

____ _ _________ ___ ____

___ _____ ______ __ ___

H_____ 0_+ __________ __ ____ ____ _____ ___ ______ ______ _" ________ ____

__ _____ @_____ ________ __ <_"_ _ ____ _)_:__ _____!__G __ ______$

___)____ "___ ___ __ ___ _________ _" _<____ _____ __ ____ _)___ __

____<___ _____!__G __ ______$ __ __ _____ ____ __________ (__ _____ ____#

____ ____ _____ __ ___ ____ "__ _______ _____ ____ _ _______ _" _____ ___#

______ ____ ______ (__ _________ _" _____ _____ __1_____ _)___ _1__ ______#

_____ _" __ "___ ________ ____ ____ _______

0 10 20 30 40 50 60 70 80 90 100

Other graphic papers

Recovered paper utilization rate, %

Paper Production, 106 tons

Graphic

papers: 23.3 %

Total: 47.5 %

Case materials

Newsprint

Wrapping, other

Ppckaging paper

Other papers

Packaging

papers &

board:

Mixed grades

Corrugated grades

Deinking grades

High grades

Carton

Bbard

Household &

Ssnitary papers

____ ___ _________ _ ___ ___ _! ____ __ __ ___ __ _"_ #$%& _________ __ ____ ____

(__ ____)____ _" /0)______ ____ _" ________ ____ __ ____ __ ___ "_____#

___ _________ ___3 /8G __)______9 _2G _________9 __G ________ __

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2G _____ _____ _____9 __ /G _____ ____ ______

(__ _________ ____ _____ ____ ____"_ ________ ____ _____ _ __)____#

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_____ __ ____"_ ___ _____ _" ___ _________

___

____ _ ___!_ "_!

,______ ___ >_____ *____ ___ ___ J_____ ____ _____ "__ ________ ____ ___ ___

_______ ____"_____ _" "___ __ "___ __""_____ _______ ______ ____ __"___ +.

_____ __ J__ __ 8_ _____ __ ___ >*F_ F______ __ ___ __________ "__ ____#

____ ____ ___< _:____ _________! *#+__0$ _" ___ >_____ *____ _____ _____

__ ________ ___ __ ____ (__ _)__ _" ___ ____ _____ __ ____ __ ___ _______

____ __ _<____)_______ *_)_ ____ ___________ ________ __"__ __ ___

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_ _________ ___ ____

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"___ _____ ______ __ ___ __ ___)__ __ __ _______ __ ___ ________ ____

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#!____ $____

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____ _____ __ ______ _____ ________ ____ _______ __ _:__ _____ __0__ __

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>______)______ __ ___ ________ ____ __ _______ ____ _________ __ _______#

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#__ ___ ________ _ _ _____ _ _ __ _ ____ __ _____!___ ___ __ ___ ______

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________ __ _________ ____! __ _ __ ______ __ _ __ ______

&___ ____ __________ _ _______ ___ _ _ __ _____ ___ _ _ __ ___ __ _

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__ ____ __ ________ _ ___ ___ __ _ _ ___ __________ '__ _ __ _ _ __

______ _______ _____ __ __ _ ___ _______ __ __ __!_ __ ____ __ ____ ____"

____ _ ___ __ _ ___ __________ __ __ __ _ __ _ _!____ _______ ________!

____ __ ____ ________ _ ___ __ __ _ ___ __________ #__ ________! _ _ __

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__________ (__!_ ____ __ ________ _ ___ __!_ __ _ ___ __________ ___"

_____ ___ ____! __ _ ___ _)___ _ __ ____ _____ __ __!_ ________! _ __ _____

___ __ _ ______ __ ________ _ ___ ______ ____ ___ _

*______ _ ____ __! __ ________ _ ___ _____ ___ _ _ ____ __ ______ __

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_ ___ __ _____ __ ________ _ ___!_ ___ #___ __ ___ ___ __ _____ __ ________

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________ __ __ $____ __ *_____ +_)

______!_, -__. /01$2"3_* 3___! 4__* 5 __ 64 (_ /_______

0+'%_ 7"8-9"7_:::"7

©2006 WILEY-VCHVerlag GmbH&Co.

Handbook of Pulp


Дата добавления: 2015-10-21; просмотров: 77 | Нарушение авторских прав


Читайте в этой же книге: And remaining residual allows the conclusion to be made that the residual must | The resulting COD load, the points in the graph show the linear dependency | Bleaching to the activation with Mg(OH)2 is compensated by a final hydrosulfite | Excess by bisulfite, Y-P sequence with refiner application of | Peroxide bleaching is more complicated, however. High-consistency dewatering | The pulp is dewatered to a high consistency, and excess liquor from the main | Chemical pulps, in relation to various yields. | Makes their use economically viable. | Leipzig, 1982. | Pulp in pressure screening |
<== предыдущая страница | следующая страница ==>
Country Year| Edited by Herbert Sixta

mybiblioteka.su - 2015-2024 год. (0.042 сек.)