Empirical Modeling of Fouling Rate of Milk Pasteurization Process _ A case study

Budiati, Titik and Wahyono, Nanang Dwi and Hefni, Muh (2015) Empirical Modeling of Fouling Rate of Milk Pasteurization Process _ A case study. International Journal of Advanced Smart Convergence, 4 (1). pp. 11-17. ISSN 2288-2847

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Fouling in heat exchanger becomes a major problem of dairy industry and it increases the production cost. These are lost productivity, additional energy, additional equipment, chemical, manpower, and environmental impact. Fouling also introduces the risk of food safety due to the improper heating temperature which allow the survival of pathogenic bacteria in milk, introducing biofilm formation of pathogenic bacteria in equipments and spreading the pathogenic bacteria to milk. The aim of this study is to determine the fouling rate during pasteurization process in heat exchanger of pasteurized milk produced by Village Cooperative Society (KUD) “X” in Malang, East Java Indonesia by using empirical modeling. The fouling rate is found as 0.3945 oC/h with the heating process time ranged from 0 to 2 hours and temperature difference (hot water inlet temperature and milk outlet temperature) ranged from 0.654 to 1.636 oC. The fouling rate depends on type and characteristics of heat exchangers, time and temperature of process, milk type, age of milk, seasonal variations, the presence of microorganism and more. This results will be used to plan Cleaning In Place (CIP) and to design the control system of pasteurization process in order to maintain the milk outlet temperature as standard of pasteurization. Keywords: empirical modeling, fouling, heat exchanger, milk, pasteurization

Item Type: Article
Subjects: 200 - Rumpun Ilmu Hewani > 210 - Ilmu Peternakan > 216 - Produksi Ternak
Divisions: Jurusan Produksi Pertanian > Prodi D4 Teknik Produksi Tanaman Pangan > General
Depositing User: Nanang Dwi Wahyono
Date Deposited: 28 Nov 2022 03:48
Last Modified: 28 Nov 2022 03:48
URI: https://sipora.polije.ac.id/id/eprint/17457

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