Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Kayano Purba"'
Autor:
Kayano purba
Publikováno v:
Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), Vol 11, Iss 8, Pp 333-337 (2017)
This paper deals with an experiment investigating the effect of presteaning time on the properties of medium density fibreboard. The boards were made of 15 wood species mixtures with an equal weight proportion of four specific gravity groups i,e 0.31
Externí odkaz:
https://doaj.org/article/2df82ab50c4442af8be272a7d287122b
Publikováno v:
Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), Vol 6, Iss 3, Pp 198-204 (2017)
The anthraquinone soda pulping trials have been conducted by using Acacia mangium Willd. and Agathis dammara Rich woods to investigate the effect of anthraquinone and its optimum usage on the pulp properties. The pulping trials have been conducted in
Externí odkaz:
https://doaj.org/article/c62ae03012bd4985b48e1f2674a5103c
Autor:
Kayano Purba, Endang Sumarna
Publikováno v:
Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), Vol 4, Iss 3, Pp 26-29 (2017)
Chemical analyses of wood species from different islands of Indonesia has been started by several workers. Most of the species studied were obtained from East Kalimantan, South Kalimantan, Central Kalimantan, East Java and South Sumatera. The analyse
Externí odkaz:
https://doaj.org/article/c509348651d64a35a9c1533cc67d47fc
Publikováno v:
Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), Vol 17, Iss 2, Pp 77-88 (2017)
Di Indonesia, pengolahan pulp kimia berbahan baku kayu umunrnya menggunakan proses sulfat. Salah satu kelemahan proses sulfat ialah derajat kecerahan pulp yang rendah, sehingga memerlukan teknik pemutihan yang efektif saat ini mulai dikembangkan tekn
Externí odkaz:
https://doaj.org/article/1fc68c669e704d13a89901eac0e9e024
Publikováno v:
Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), Vol 17, Iss 3, Pp 123-133 (2017)
Limbah pembalakan merupakan bahan baku potensial bagi industri pengolahan kayu. Meskipun terdapat dalam jumlah yang besar, namun pemanfaatannya masih terbatas. Salah satu pemanfaatannya adalah sebagai bahan baku MDF {Medium Density Fibreboard = papan
Externí odkaz:
https://doaj.org/article/cdc538e87ee64fa396451742d60f8f64
Publikováno v:
Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), Vol 6, Iss 5, Pp 299-303 (2017)
This paper deals with the study on the fiberboard properties of A. mangium, E. deglupta and E. urophylla. The cooking process applied consisted of hot caustic soda semi chemical process and prehydrolysis prior to mechanical pulping process. The hot
Externí odkaz:
https://doaj.org/article/f0c78603131c4cf4afedb64290105372
Autor:
Ridwan Achmad Pasaribu, Kayano Purba
Publikováno v:
Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), Vol 3, Iss 1, Pp 15-19 (2017)
Manufacturing trials of medium density fiberboard from logging wood wate have been conducted on a laboratory scale at the Forest Products Research and Dewlopment Centre, Bogor. Wood sample used in this study were obtained from South Sumatera logs of
Externí odkaz:
https://doaj.org/article/7417e2a095a243eabccbc01cbcdea59d
Publikováno v:
Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), Vol 6, Iss 4, Pp 262-267 (2017)
Rayon grade pulping trials from Acacia mangium Willd have been studied with variation in pH and prehydrolysis time. Sulphuric. abid, water and sodium hydroxide were used as prehydrolysing agent at pH 4, 7, and 10 each were prehydrolized.for 30,and 6
Externí odkaz:
https://doaj.org/article/7dff5ed45af94e558dbb363e0e352e34
Autor:
Kayano purba
Publikováno v:
Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), Vol 11, Iss 8, Pp 333-337 (2017)
This paper deals with an experiment investigating the effect of presteaning time on the properties of medium density fibreboard. The boards were made of 15 wood species mixtures with an equal weight proportion of four specific gravity groups i,e 0.31