A Soda-Anthraquinone Pulping Of Acacia Mangium
T he ob jective of this p roject was to d etermine the eff ect of f our d ifferen t; levels (0.125% , 0 .2 5% , 0 .5% and 1 .0 % ) of anthraquin one(AQ) add itive to s oda pulp ing of n in e- year old Acacia man qium willd. grown in P ahang, Malays ia. S od a-AQ p Ulp ing gave high s creened yi...
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| Format: | Project Paper Report |
| Language: | English English |
| Published: |
1990
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| Subjects: | |
| Online Access: | http://psasir.upm.edu.my/id/eprint/10782/ http://psasir.upm.edu.my/id/eprint/10782/1/FH_1990_1.pdf |
| Summary: | T he ob jective of this p roject was to d etermine the
eff ect of f our d ifferen t; levels (0.125% , 0 .2 5% ,
0 .5% and 1 .0 % ) of anthraquin one(AQ) add itive to
s oda pulp ing of n in e- year old Acacia man qium
willd. grown in P ahang, Malays ia. S od a-AQ p Ulp ing
gave high s creened yields rangin g f rom 47.4% to
51.5% f or the 0 . 125% AQ and 1 .0% AQ add ition
respectively. B leachab ility, as indicated by the
d ecreas ing Kapp a numb er ( 2 6 . 3 to 2 3 . 2 ) , was
improved with increas ing add ition of AQ. Excep t
f or f olding enduran ce, the s trength p roperties of
the s od a-AQ pulps were als o improved and higher
than b oth s oda and kraft Acacia manqiu m pulps . |
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