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In recent years, stricter environmental regulations and higher HSE (Health, Safety, and Environment) requirements, the demand for energy integration and efficiency improvement are becoming more and more complicated and diverse. In order to meet these complicated and diverse demands, based on the technology it has accumulated as a total engineering company, and by combinations of various element technologies of different fields, Chiyoda offers an optimal Utility & Offsite system (integrated utility system) for LNG plants,refineries, petrochemical plants and its industrial complexes, new processes such as GTL (Gas to Liquid), coal gasification, heavy oil cracking, etc., and in the new business fields of water, power, environment, and clean energy, etc.

Examples of Integrated Utility Systems with Various Element Technologies

• Utilization of unused heat sources through heat recovery from gas turbines flue gas , cogeneration, low-grade heat recovery, etc.
• Utilization of unused power sources through power recovery from low temperature heat sources and high process pressure sources, etc.
• Maximum utilization of facility capacity through utilization of surplus turbine capacity and surplus power generation capacity, etc.
• Sophistication of energy management through pinch analysis, exergy analysis, etc.
• Improvement of plant efficiency and operability with a hybrid system that combines different types of processes
• Utilization of various membrane technologies such as MBR, MF, RO, EDI, etc. in fresh water/wastewater treatment and air separation, etc.
• Water Recycle and “Zero Liquid Discharge” with combinations of evaporation and membrane technologies.
• Reuse of unused wastewater by advanced treatment of process wastewaterand associated water from oil/gas production wells
• Effective utilization of wide-area energy through integration of energy from public and localized facilities