Preparation of Natural Zeolite for Air Dehumidification in Food Drying

Drying with air dehumidification with solid adsorbent improves the quality of food product as well as energy efficiency. The natural zeolite is one of adsorbent having potential to adsorb the water.  Normally, the material was activated to open the pore, remove the organic impurities, and increase S...

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Main Authors: Mohamad Djaeni, Laeli Laeli Kurniasari, Setia Budi Sasongko
Format: Article
Language:English
Published: Diponegoro University 2015-04-01
Series:International Journal of Science and Engineering
Subjects:
Online Access:https://ejournal.undip.ac.id/index.php/ijse/article/view/8288
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author Mohamad Djaeni
Laeli Laeli Kurniasari
Setia Budi Sasongko
author_facet Mohamad Djaeni
Laeli Laeli Kurniasari
Setia Budi Sasongko
author_sort Mohamad Djaeni
collection DOAJ
description Drying with air dehumidification with solid adsorbent improves the quality of food product as well as energy efficiency. The natural zeolite is one of adsorbent having potential to adsorb the water.  Normally, the material was activated to open the pore, remove the organic impurities, and increase Si/Al rate. Hence, it can enhance the adsorbing capacity. This research studied the activation of natural zeolite mined from Klaten, Indonesia as air dehumidification for food drying. Two different methods were used involving activation by heat and NaOH introduction.  As indicators, the porosity and water loaded were evaluated. Results showed both methods improved the adsorbing capacity significantly. With NaOH, the adsorbing capacity was higher. The simple test in onion and corn drying showed the presence of activated natural zeolite can speed up water evaporation positively. This performance was also comparable with Zeolite 3A
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spelling doaj.art-2207a179e7d84b6dbbf7263b9e1043ae2022-12-21T18:21:20ZengDiponegoro UniversityInternational Journal of Science and Engineering2086-50232302-57432015-04-0182808310.12777/ijse.8.2.80-837143Preparation of Natural Zeolite for Air Dehumidification in Food DryingMohamad Djaeni0Laeli Laeli Kurniasari1Setia Budi Sasongko2(Associate Editor) (SCOPUS ID = 16027817500; h-index: 5) Department of Chemical Engineering, Diponegoro UniversityWahid Hasyim University SemarangDiponegoro UniversityDrying with air dehumidification with solid adsorbent improves the quality of food product as well as energy efficiency. The natural zeolite is one of adsorbent having potential to adsorb the water.  Normally, the material was activated to open the pore, remove the organic impurities, and increase Si/Al rate. Hence, it can enhance the adsorbing capacity. This research studied the activation of natural zeolite mined from Klaten, Indonesia as air dehumidification for food drying. Two different methods were used involving activation by heat and NaOH introduction.  As indicators, the porosity and water loaded were evaluated. Results showed both methods improved the adsorbing capacity significantly. With NaOH, the adsorbing capacity was higher. The simple test in onion and corn drying showed the presence of activated natural zeolite can speed up water evaporation positively. This performance was also comparable with Zeolite 3Ahttps://ejournal.undip.ac.id/index.php/ijse/article/view/8288adsorbent, capacity, onion, corn, water loaded
spellingShingle Mohamad Djaeni
Laeli Laeli Kurniasari
Setia Budi Sasongko
Preparation of Natural Zeolite for Air Dehumidification in Food Drying
International Journal of Science and Engineering
adsorbent, capacity, onion, corn, water loaded
title Preparation of Natural Zeolite for Air Dehumidification in Food Drying
title_full Preparation of Natural Zeolite for Air Dehumidification in Food Drying
title_fullStr Preparation of Natural Zeolite for Air Dehumidification in Food Drying
title_full_unstemmed Preparation of Natural Zeolite for Air Dehumidification in Food Drying
title_short Preparation of Natural Zeolite for Air Dehumidification in Food Drying
title_sort preparation of natural zeolite for air dehumidification in food drying
topic adsorbent, capacity, onion, corn, water loaded
url https://ejournal.undip.ac.id/index.php/ijse/article/view/8288
work_keys_str_mv AT mohamaddjaeni preparationofnaturalzeoliteforairdehumidificationinfooddrying
AT laelilaelikurniasari preparationofnaturalzeoliteforairdehumidificationinfooddrying
AT setiabudisasongko preparationofnaturalzeoliteforairdehumidificationinfooddrying