2. The major objective of washing and dewatering
⑴ To remove the soluble sarcoplasmic proteins, lipids, fish blood, and other water-soluble matter
⑵ To concentrate the myofibrillar proteins
3. Myofibrillar proteins readily solubilized and lost to waste water during processing
4. Solid waste readily separated from waste water is produced during first-stage operations
5. Solid waste : the head, viscera, skin, meat frames
6. Wash water is used during the second stage
⑴ Insoluble components : myosin fraction, scales, fat and other tissue fibers
⑵ Soluble compounds : enzymes, polypeptides, blood components, and inorganic minerals
② Waste water management
1. 5.7 L of waste water were generated for every kg of fish processed
2. Soluble proteins and fine particulates (approximately 40-50% unwashed fish mince) are removed
3. Waste water streams are relatively high in protein content
⑴ Biological oxygen demand(BOD), chemical oxygen demand(COD), total suspended solids(TSS),
and total solid(TS)
⑵ Waste level as measured by BOD and TS can be 10 times as high as nonsurimi seasons
4. If plants are located to municipalities, wastewater must go through publicly owned treatment plants
5. Water shortage, stringent environmental regulations, and rising costs of water disposal
2. The major objective of washing and dewatering ⑴ To remove the soluble sarcoplasmic proteins, lipids, fish blood, and other water-soluble matter ⑵ To concentrate the myofibrillar proteins 3. Myofibrillar proteins readily solubilized and lost to waste water during processing 4. Solid waste readily separated from waste water is produced during first-stage operations 5. Solid waste : the head, viscera, skin, meat frames 6. Wash water is used during the second stage ⑴ Insoluble components : myosin fraction, scales, fat and other tissue fibers ⑵ Soluble compounds : enzymes, polypeptides, blood components, and inorganic minerals ② Waste water management 1. 5.7 L of waste water were generated for every kg of fish processed 2. Soluble proteins and fine particulates (approximately 40-50% unwashed fish mince) are removed 3. Waste water streams are relatively high in protein content ⑴ Biological oxygen demand(BOD), chemical oxygen demand(COD), total suspended solids(TSS), and total solid(TS) ⑵ Waste level as measured by BOD and TS can be 10 times as high as nonsurimi seasons 4. If plants are located to municipalities, wastewater must go through publicly owned treatment plants 5. Water shortage, stringent environmental regulations, and rising costs of water disposal
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