Subsection DG chemicals
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fine/speciality chemicals | polymers | |||||||||||||||
organic dyes and pigments | active pharmaceutical ingredients and vitamins | biocides and plant health products | fragrances and flavours | optical brighteners | flame-retardants | plasticisers | explosives | polyolefins | polystyrene | polyvinyl chloride | unsaturated polyester | emulsion polymerized styrene butadiene rubber | solution polymerized rubber containing butadiene | polyamides | ||
Unit Operations | Typical processes | x | x | x | x | x | x | x | x | x | x | x | x | x | x | x |
CLEANING | Cleaning of production halls and equipment | x | x | x | x | x | x | x | x | x | x | x | x | x | x | x |
Washing of products | x | x | x | x | x | |||||||||||
DRYING | Drying | x | x | x | x | x | x | x | ||||||||
EVAPORATION AND DISTILLATION | Evaporation | |||||||||||||||
Distillation | ||||||||||||||||
STERILIZATION | Sterilization | x | ||||||||||||||
COOKING | Cooking | |||||||||||||||
OTHER PROCESS HEATING | Pre-heating | |||||||||||||||
Heating during chemical reactions | ||||||||||||||||
GENERAL PROCESS HEATING | Boiler feed-water preheating | |||||||||||||||
HEATING OF PRODUCTION HALLS | Heating of production halls | x | x | x | x | x | x | x | x | x | x | x | ||||
COOLING OF PRODUCTION HALLS | Cooling of production halls | x | x | |||||||||||||
COOLING PROCESSES | Cooling | x | x | x | x | x | x | x | x | x | ||||||
Cooling during chemical reactions | ||||||||||||||||
EXTRACTION | Extraction | x | x | x | x | |||||||||||
Temperature level | ||||||||||||||||
20-40°C | ||||||||||||||||
40-60°C | ||||||||||||||||
60-80°C | ||||||||||||||||
80-100°C | ||||||||||||||||
100-120°C | ||||||||||||||||
120-140°C | ||||||||||||||||
140-150°C |