한국 유가공산업(乳加工産業)의 에너지 소비양상(消費樣相)에 관한 조사연구 = A study on the energy consumption status of Korean dairy processing industry

다국어 초록 (Multilingual Abstract)

A survey on the energy consumption status of seven dairy processors has been carried out in order to assess the trends and characteristics of energy consumption in dairy processing industry in this country.
The results were as following;
1. A total amount of 227,124 million ㎉ (0.95 PJ) of energy was consumed by 6 dairy processors, for the treatment and processing of 401,550 tons raw milk, which is equivalent to 566 ㎉ (2.4 MJ) per ㎏ of raw milk consisting 454 ㎉ of thermal energy and 112 ㎉ of electrical energy, in 1982.
The trend of energy consumption during the period of last five years showed twenty percent less energy was used in 1982 than in 1978 for the treatment of unit weight of raw milk; a remarkable reducing tendency has been observed in the consumption of thermal (fuel) energy and a slight increasing tendency in the use of electrical energy.
2. Energy requirements for the production of three major dairy products showed that 169 ㎉ (0.71 MJ) of thermal energy and 55 ㎉ (0.23 MJ) of electrical energy were required for the treatment of ㎏ market milk, 2,378 ㎉ (9.95 MJ) and 265 ㎉ (1.1 MJ) for powdered milk, 129 ㎉ (0.54 MJ) and 112 ㎉ (0.47 MJ) for liquid yoghurt in 1982.
3. The energy use indexes of seven dairy processors in 1982 have been calculated for the comparative assessment of energy consumption efficiency.
Four processors out of seven showed minus index in the use of thermal energy, whereas a great discrepancy was found in the consumption of electrical energy ranging from -8.4% to 360%, which bespeaks the need for better organized and efficient control of electrical energy on the part of dairy industry.