Upload
hashem
View
212
Download
0
Embed Size (px)
DESCRIPTION
1
Citation preview
Arch
ive of
SID 89-09 ~ {~ } ||~.
{ . { }
~ 5 ~ } ~~ 02 ~ }
05 ~ { 4 ~ } ~ } ~ ~
} . |HEC PEHEH PEHEC|
~ . } ~~
|PEHEC~ ~ } ~ } ~
~ PEHEH~ ~ ~ ~ ) ~
( .|
{
~
|
prehydrolysis, alpha cellulose,
degree of polymerization, sawdust,
pulp
~
|| ~
* { |: ri.ca.tu@eezojp
Key Words
Preparation of Alpha Cellulose from Poplar Sawdust
~ * ~ ~ ~ ||{ { 3| ~ ~ } 911/14834
: 72/7/28 : 6/2/38|
~ )09 { 89 ~( ~ ~
| )}( ~ }
{ ) (
|~ | | ~ |~.
~ } 051 ~ ~~ 5/71 ~
|~ ]1|[.|| } } .
~
{ ~ 3 261-751 3831
5523-6101 : NSSI
Archive of SID
www.SID.ir
Arch
ive of
SID
| ~ } } {
. ~ {{ } |{ { {~ . }
} |{ { ~: } ~ { } {
} : } } ]2[. { | | {~ }
{ { { | |]3[. ~|{ {~ }
| | ~ { | | }|. {~ | || | }
| |} | } } }
} 59 ~ } } ]4[. { }
} } }
{~ } {~ )
( |{~ {~ ~. ~ }
]5[|. { ) { ( {
{~ ~|]6[.|| _ } {
) ( ~ } ]6[.|| ~ {~
~ ~ ~ ~ }
} | } ~ .~ ~ { }
~ . ~
}} } ~ ) ~ ~ }~
~(. )~
~~ ~ ~( { ) 05/05( 4
~ } ~ ~ } } ~ } ~
. ~ {|~ ~
~ .|
{~ ~ )FCE ,eerf enairolhc latnemele( ~
)FCT ,eerfenairolhc latot( . {~ ~ )
( } ]7[. ~{~
} .
{
~ { } ~ } ~~ }~ ~ ~ } ~ ~ ~
~ ~ {|| ~~ )II( { ~~.
sediotled sulupop ~ } mm1 | ~ ) ~
002(.|
}
~|
{ L 02 )}( } ~ ~ } ~.|
{
: )}(
{ ~
{ ~ 3 - 3831 158
Archive of SID
www.SID.ir
Arch
ive of
SID
} ~ {~ :
- ~ h5/2
- ~ 5 ~ ~ h5/1
- }|~~ 02 ~ ~ h5/1. } Co051 ~ .|
: | ~ } ~ {~ :
- : 61 ~ 21~ Co561 h5|/1 mta 7 } { . |
- { )05/05( || 4 |~ C
o002| | ~ h5/1 mta 01 } { .
- ~ ~ } } ~ ) 1/ 2 /7( ~ h3 mta 4 Co031 } { .
} } 1/5
1/7 } ~.: ~ ~~:
HEC: )C( } )E( ~ )H(.|PEHEH:~ )H( } )E( ~
)H( } )E( ~ ~ )P(.|PEHEC: )C( } )E( )H(
} )E( ~ ~ )P(.|
: ~ ~ ~
) ~ ( )IPPAT ,yrtsudnI repaP dna pluP fo noitaicossA lacinhceT(
58-mO632T ~ 39-mO302T~ ~.
: ~ )PD(} ~ ~| ~ PD|
~ DEC){|| II( } ~ ~| ~
68-mO302T | . - )kniwuH-kraM( ~
~ ) 1(. |
|)1( | || ||)PD( PK=||
PK} { | ~.PK { || II {{ 01 8/0 } ~]4[.
}
{ ~ 1 |
{ ~ 2 ~ .
) ~ } ~~(
| ) { 4 ~ ~
~ } ~ }( PEHEC
159
{ ~
{ ~ 3 - 3831
~ 1 - { .
~
1562
122
)}( } ~
1 - ~ ~ ~ .
2 - ~ ~ ~ ~.
Archive of SID
www.SID.ir
Arch
ive of
SID
PEHEH HEC | | }
6-1 ~ . } ~ }
|~ ~ 06 { 07 ~ }
| { _
} ~ { ~
} |. ~ ~ } ~~
~ | | ~ }
} { |
~ ~ } |~.
~ |
| ~ } ~~
~ } ~
|. }_
} ~~ }
~ |.
~ {
{05 ~ 4 ~
} ~ ~ ~ } }
~ |.
~~
~~ ~ { }
{ .
{ 4 ~
} ~ {_
~~ . {
. ~ }
. { ~ }
PEHEC HEC} ~.
} . PEHEH| {
}
} .
) 3-1( ) ~ 6-4(
~.|| |~ {
)PEHEC HEC( {
)PEHEH(
PEHEC| } } ~
~ { ~
{ {~ ~.
_ { {
~ { ~ |~
{ ~ 3 - 3831 160
{ ~
3 - ~ ~ ~ } ~~.
4 - ~ ~ ~ .
5 - ~ ~ ~ ~.
6 - ~ ~ ~ } ~~.
Archive of SID
www.SID.ir
Arch
ive of
SID
~ )PD( |~
{ ) PEHEH( ~ }
)PEHEC HEC( }_ {
|~ } }
} ) HEC(.
~~ }
{ ~ ) 6-4(.
}
} ) ~
( ~
161
{ ~
{ ~ 3 - 3831
~ 2 - } .
~
)%(
)%(
~
|
)%( |
123533
013543
953643
133243
823262
582642
872982
722282
182762
012512
202622
822391
732542
232
9888
5/0978
6809
5808
4858
385/58
4828
6878
283/78
2998
7/395/98
885/19
9888
5/09
HEC
PEHEH
PEHEC
HEC
PEHEH
PEHEC
HEC
PEHEH
PEHEC
HEC
PEHEH
PEHEC
HEC
PEHEH
PEHEC
HEC
PEHEH
PEHEC
HEC
PEHEH
PEHEC
HEC
PEHEH
PEHEC
HEC
PEHEH
PEHEC
33/45
5/55
75
65
7/75
95
94
15
35
66
86
27
17
37
77
46
76
17
{ 05 ~ 4 ~
} ~ ~ ~ }
{ 05 ~ 4 ~
} ~ ~ ~ }
{ 05 ~ 4 ~
} ~ ~ ~ }
68
68
68
58
58
58
28
28
28
~ 5 ~
~ 5 ~
~ 5 ~
} ~~ 02~
} ~~ 02~
} ~~ 02~
Archive of SID
www.SID.ir
Arch
ive of
SID
{~ _ ~
~ | ~ {{
} ~~ PEHEC~
~ ~ ~ }
~ ) }(
{ 05 ~ 4 ~ PEHEH| ~{
) ~ ~ ( ~ ~
{_ } ~.|
~
~ {
757/3/316 ~ |.
{ ~
{ ~ 3 - 3831 162
1. Kuckurek M., Pulp and Paper Manufacture, 4, Tappi, Atlanta,Georgia, USA, 324-344, 1989.
2. Fengel D. and Wegener R., Wood: Chemistry, Ultrastructure,
Reaction, Wolter de Gruyter, Berlin, 482-483, 1989.
3. Nevell T.P. and Zeronian S.H., Cellulose Chemistry and its
Application, Ellis Horwood, Chichester, West Sussex, UK, 17-
21, 1987.
4. Krassig H.A., Cellulose: Structure, Accessibility and Reaction,
Gordon and Breoch Sicence, Switzerland, 68-70, 1993.
5. Din Woody J., Timber, its Nature and Behaviour, Van Nostrand
Reinhold, NewYork, 15-16, 1979.
6. Marra A., Technology of Wood Bonding, Van Nostrand Rein-hold, NewYork, 5-11, 1992.
7. Woodings C., Regenerated Cellulose Fibers, Woodhead, Cam-
bridge England, 22-28, 2001.
Archive of SID
www.SID.ir