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ITS » Non Degree » Teknik Kimia D3
Posted by fandikaaqsa@its.ac.id at 20/04/2016 14:15:20  •  839 Views


PABRIK SILIKA DARI ABU AMPAS TEBU DENGAN PROSES PRESIPITASI

SILICA PLANT FROM BAGASSE ASH WITH PRECIPITATION PROCESS

Author :
FITRIYANI, AKHADIYAH NUR ( 2311030045 )
YONARA, ELLY




ABSTRAK

Silika merupakan bahan baku yang digunakan untuk industri kaca keramik kosmetik dll. Pabrik silika ini akan didirikan di daerah Kediri Jawa Timur. Pabrik ini menggunakan bahan baku abu ampas tebu dengan kandungan silika sebesar 7097 dengan proses presipitasi aldcroft . Pembuatan silika dari abu ampas tebu dengan proses presipitasi melalui 6 tahap. Tahap pertama yaitu proses ekstraksi untuk membentuk natrium silikat dari abu ampas tebu dengan larutan NaOH 2N pada 120oC. Tahap kedua yaitu natrium silikat direaksikan dengan H2SO4 38 dan NaCl 363 dalam proses presipitasi untuk membentuk silika. Tahap ketiga yaitu proses filtrasi untuk memisahkan silika dari impuritis. Tahap keempat yaitu proses drying untuk mengurangi kadar air pada silika. Tahap kelima yaitu proses milling untuk memperkecil ukuran silika menjadi 200 mesh. Tahap terakhir yaitu proses screening untuk menyaring dan homogenisasi ukuran silika. Pabrik silika bekerja secara semi-kontinyu dan beroperasi selama 330 haritahun dengan kapasitas produksi 21.26483 tontahun. Abu ampas tebu yang dibutuhkan sebesar 30.035 tontahun dengan bahan baku pendukung NaOH H2SO4 dan NaCl. Kebutuhan utilitasnya adalah air pendingin air umpan boiler dan air proses masing-masing sebesar 28614 m3tahun 175365m3tahun dan 42770 m3tahun. Limbah yang dihasilkan dari industri ini yaitu abu ampas tebu sisa limbah pencucian slurry dan debu cyclone.


ABSTRACT

Silica is a raw material of glass industry ceramic industry cosmetic industry ect. This plant is located at Kediri East Java. This plant use material from bagasse ash the content of 7097 silica with Aldcrofts Precipitation process. Silica from bagasse ash with the precipitation processes through a 6 steps. The first step is extraction process to form sodium silicate from bagasse ash with NaOH 2N solution at 120oC. The second step is precipitation process to form silica by reacting sodium silicate with H2SO4 38 and NaCl 363 solution at 100oC. Third step is filtration process to separate silica from impurities. Fourth step is drying process to reduce moisture silica. Fifth step is milling process to scant silica size to 200 mesh. And the last step is screening process to screen and homogenation size of silica. Silica plant works and operates semi-continuous for 330 daysyear with a production capacity of 21.26483 tonyear. Bagasse ash that needed is around 30.035 tonyear with supporting materials like NaOH H2SO4 and NaCl. The utility needs are cooling water boiler feed water and process water respectively 28614 m3year 175365m3year and 42770 m3year. Waste generated from this industry is residue bagasse ash slurry leaching waste and cyclone dust.



KeywordsAbu ampas tebu; silika; presipitasi
 
Subject:  Teknik Reaksi Kimia
Contributor
  1. Prof. Dr. Ir. Suprapto, DEA
Date Create: 20/04/2016
Type: Text
Format: PDF
Language: Indonesian
Identifier: ITS-NonDegree-23002160001391
Collection ID: 23002160001391
Call Number: RSK 660.294 2 Fit p


Source
Non Degree of Chemical Engineering, RSK 660.294 2 Fit p, 2014

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Copyright @2016 by ITS Library. This publication is protected by copyright and per obtained from the ITS Library prior to any prohibited reproduction, storage in a re transmission in any form or by any means, electronic, mechanical, photocopying, reco For information regarding permission(s), write to ITS Library




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  1.  ITS-NonDegree-41256-2311030045-2311030067-abstract_id.pdf - 180 KB
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  3.  ITS-NonDegree-41256-2311030045-2311030067-conclusion.pdf - 376 KB




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