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Analisis Karakteristik Pulp Campuran Tandan Kosong Kelapa Sawit dan Pelepah Pisang dengan Pelarut NaOH
Author(s) -
Sari Rizky Amelia,
Muhammad Yerizam,
Erwana Dewi
Publication year - 2021
Publication title -
jurnal pendidikan dan teknologi indonesia
Language(s) - English
Resource type - Journals
eISSN - 2775-4219
pISSN - 2775-4227
DOI - 10.52436/1.jpti.91
Subject(s) - hemicellulose , cellulose , lignin , nuclear chemistry , pulp (tooth) , ultimate tensile strength , materials science , chemistry , pulp and paper industry , food science , composite material , organic chemistry , medicine , pathology , engineering
Tandan kosong kelapa sawit (TKKS) merupakan limbah padatan yang dihasilkan dari proses pembuatan minyak kelapa sawit yang selulosa (45,95%), kadar abu (1,23%), hemiselulosa (22,84%), kadar air (3,74%) dan lignin (16,49%). Pelepah pisang mempunyai kandungan selulosa yang tinggi akan tetapi belum dimanfaatkan secara optimal yang memiliki kandungan densitas ( 1,35 gr/cm3), selulosa (63 -64 %), hemiselulosa (20 %), lignin (5%), kekuatan Tarik rata-rata (600 Mpa), modulus tarik rata-rata (17,85 Gpa), pertambahan panjang (3,36 %), diameter serat (5,8 µm), serta panjang serat (30,9240 cm). Namun bahan-bahan ini mempunyai karakteristik dan sifat fisika kimia yang berbeda-beda. Karakteristik menjadikan perlunya analisa agar menghasilkan pulp yang diinginkan berada pada kondisi optimal. Beberapa parameter yang diukur di antaranya, konsentrasi larutan NaOH dengan variasi 7% dan 9%, dengan variasi bahan baku 40-60% serta waktu pemasakan dengan variasi waktu 75, 90, 105, 120 dan 135 menit. Sehingga pada penelitian ini didapatkan kondisi optimumnya yakni pada rasio 40:60, dengan konsentrasi 9% dan waktu pemasakan selama 120 menit didapatkan nilai kadar lignin 11,21% dan kadar selulosa 68,94%. Oil palm empty fruit bunches or TKKS are solid wastes produced from the process of making palm oil which are cellulose (45.95%), ash content (1.23%), hemicellulose (22.84%), water content (3.74 %) and lignin (16.49%). Banana midrib has a high cellulose content but has not been used optimally which contains density (1.35 g/cm3), cellulose (63 -64 %), hemicellulose (20 %), lignin (5%), average tensile strength. average (600 Mpa), average tensile modulus (17.85 Gpa), increase in length (3.36%), fiber diameter (5.8 m), and fiber length (30,9240 cm). However, these materials have different physicochemical characteristics and properties. The characteristics make the need for analysis in order to produce the desired pulp in optimal conditions. Several parameters were measured including the concentration of NaOH solution with variations of 7% and 9%, with variations of raw materials 40-60% and cooking time with variations of 75, 90, 105, 120 and 135 minutes. So that in this study the optimum conditions were obtained, namely at a ratio of 40:60, with a concentration of 9% and cooking time for 120 minutes, the lignin content was 11.21% and the cellulose content was 68.94%.

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