
Dissolving for Viscose
Quiz
•
Instructional Technology
•
University
•
Practice Problem
•
Easy
Azka Aman
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebutkan Turunan selulosa berasal dari Dissolving pulp, kecuali:
Ethers dalam bentuk Detergent
Viscose untuk Woven dan Non Woven Product
Kertas Saring dan Kertas Foto
Fine Paper atau kertas halus
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebutkan Kualitas selulosa dari dissolving pulp, kecuali:
1.Product seragam
1.Cellulose jenis alfa tinggi 90%
1.Penyesuaian viskositas pada seluruh jalur serat
a)Konten hemiselulosa tinggi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Terangkan Prinsip Dasar pemasakan dissolving pulp, kecuali:
1.Penghapusan dan / atau menyesuaikan jumlah hemiselulosa
1.Pembuatan pulp alkaline kraft tidak mampu membuat hemiselulosa yang cukup rendah
1.Ada kebutuhan untuk kondisi asam, yang menghasilkan hidrolisis, ikatan antara gula dipecah dan dilarutkan
hanya Jawaban C yang benar
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bagaimana cara Hydrolysis kandungan hemicelluloses saat Batch Cooking:
Memasak chips kayu dngan kraft Prehydrolysis
Tidak ada Kemungkinan untuk menggunakan hidrolisat
Pengangkatan hemiselulosa pada tahap prehidrolisis
Penghapusan lignin pada tahap memasak
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebutkan tahap Pre-hydrolysis tahap cairan atau uap, kecuali:
1.Fase cair, mudah menyesuaikan pH penggunaan asam yang berbeda, suplhur dioksida
1.kondisi (waktu, suhu, pH) mudah bervariasi
1.LP and MP steam Lansung masuk digester1.LP and MP steam Lansung masuk dig
volume tinggi hidrolisat
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Batch Dissolving Cooking Fitur-fiturnya adalah kecuali:
Hard Discharge hasil cooking
Steam hydrolysis harus cukup temperatur dan pressurenya
WL / NaOH puriti dan konsentrasinya tinggi dan stabil
Uniform cooking proses setiap digester
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Brown stock, pencucian and penyaringan, kecuali:
Carry over pengotor to O2-stage sama seperti normal kraft pulp –
namun tergantung viscosity level
Tak ada perbedaan dengan kraft pulping
Jumlah knot/reject Tinggi dari kraft pulping
Mudah dalam O2-delignification and bleaching -> stabil pulp quality
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