遠東新世紀股份有限公司〈原遠東紡織〉,乃台灣規模最宏大、最多元化的紡織及相關產品製造者。本公司共分化纖、紡織、石化、土地開發與轉投資五大事業。

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Sustainable Environment

Sustainable Environment

As global warming exacerbates extreme weather patterns, FENC achieves environmental sustainability goals through various innovations

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Energy Management

FENC enhances energy management with various reduction measures to curtail carbon emissions and mitigate global warming.

Measures and Performance in Energy and Carbon Reduction

FENC continues implementing energy conservation and carbon reduction measures. In 2021, the Company implemented 86 such  projects. The main focus on energy conservation is refining the production process and reducing purchased power.

2021 Energy and Carbon Reduction Projects

 

2021 Energy Conservation and Carbon Reduction Project

 

Energy Conservation(TJ)

GHG Emission Avoided(tCO2e)

Category 1

Category 2

Project

Improvement on Production Process

57

119

7,673

Improvement on Equipment

570

0

88,605

Energy Management

127

0

17,651

Business

Petrochemical

14

0

2,011

Polyester

531

119

77,775

Textile

209

0

34,143

Total

754

119

113,929

Note:
1. The estimate of energy efficiency is compared against the energy consumption with original production process and equipment prior to project implementation.

2. The calculation of calorific value is based on the factors of calorific value from all production sites.

3. GHG emission factors: GHG emission factors in Taiwan are based on “GHG Emission Factors” version 6.0.4 from Bureau of Energy, MOEA and Environmental Protection Administration. The GHG emission factor is 0.502 t-CO2e/1000 kWh for electricity and 3.02468 t-CO2e/t for heavy crude. Calculation of GHG emission factors for electricity in Mainland China is based on the local electrical grid and calculated at 0.7035 tCO2e/1000 kWh.

4. Natural gas is the source of category 1 (scope 1) emission and purchased power for category 2 (scope 2) emission.

5. GHGs include CO2, CH4, N2O, PFCs, HFCs, SF6 and NF3.

 

Energy Conservation and Carbon Reduction Projects Performance

 

2019

2020

2021

Actual Investment (NT$1,000)

127,361

61,959

268,365

Savings (NT$1,000)

50,078

40,958

85,467

Energy Conservation (TJ)

498

557

754

GHG Emissions Avoided (tCO2e)

74,151

78,955

114,048

 

Electricity Saving

Production Site

Project 

Detail

Performance

OPTC 

Plant 2

Heat recovery project from condensate with addition to slurry preheaterA heat exchanger is added to the preheating stage during production to recuperate residual heat from the condensate on the exterior of the preheater, increase the slurry temperature and reduce the consumption of high pressure stream in the downstream preheater, which will in turn reduce the loading of the boiler and natural gas consumption.The project reduces 39,200T/h of high-pressure steam, approximately NT$28.5 million in costs and 4,730 tCO2e of carbon emission per year.

OPTC 

Plant 2

Water pump modification project at the cooling towerCause and effect analysis and data collected from ultrasonic flowmeters show that the total flow of cooling water exceeds the design capacity, and therefore indicating the possibility of energy conservation.  To reduce electricity consumption, hydraulic and energy calculations were performed with improvements to be conducted in 3 phases, including adjusting the outlet valve of the pump, trimming the pump impeller and using an energy efficient pump.The project reduces 10,848,800 kWh of electricity consumption, approximately NT$69.757 million in costs and 4,595 tCO2e in carbon emission per year. The energy saving rate reached 39.7%.

OPSC

Ceramic coating project for efficiency improvement at water cooling pumpWater cooling pump is a critical link in the cooling water circulation system at the plant. Its high flow is powered by high energy consumption. Long-term wear and tear and internal erosion created cavitation damages which lowered the efficiency. Therefore, an anti-erosion ceramic coating is applied to the pump. The ceramic material is highly adhesive, chemical resistant and hard. Coating the impeller and volute of the pump with this material will improve its efficiency, repair the rugged surface, ensure hydraulic stability, conserve energy and prolong the equipment life cycle. 

Two pumps were modified in June and December 2021 for this project. Without adjusting the water flow and hydraulic head, the efficiency has been improved by 3.7%. The project reduces 92 kWh of electricity per hour, approximately NT$2.236 million in costs and 289 tCO2e in carbon emission per year.

 

Natural Gas Saving

Production Site

Project 

Detail

Performance

FEDZ

Stenter cooling projectThe average temperature of a textile stenter could reach 69°C during operation. Without cotton insulation, the heat emitted from the machine would elevate the room temperature throughout the entire plant. Therefore, carbon fiber and aluminum silicate insulations are installed on the top of the stenter and the vent duct is wrapped with aluminum sheet as well as aluminum silicate insulation. The insulation has the benefit of maintaining the temperature increase inside the machine from natural gas combustion, preventing heat loss while reducing the temperature of the conduits to 28.2°C,  which is close to the ambient temperature of 26.9°C. The temperature decreased by 80% compared to the previous room temperature within the plant. 

The project reduces 24,575m³ of natural gas consumption, approximately NT$360,000 in costs and 53 tCO2e of carbon emission per year.

OTIZ

Drying area improvement project at impregnation line

Discussions were conducted with suppliers regarding actual production conditions and the structure above the drying area for the impregnation line. The plan is to enclose the roller at this location. The plan to add the fume hood, oil-water separator, vent duct and exhaust vent was canceled. The aluminum plated insulator will be added, and the loop around the roller will be supported partially through the exhaust fan. While reducing the fuel consumption during production, the project also eliminates accumulation of combustible debris at the exhaust fan and conduits, hence clearing fire hazards.

Challenges: The structure of the drying area is quite unusual, and the area presents potential fire hazards.

Project highlight: The project eliminates fire hazards, conserves natural gas and increases convenience during operation. Overall, it improves the operation and management of 5S workplace.

Post-improvement: The project reduces unit consumption of natural gas from 245 m³/metric ton to 230 m³/metric ton. Based on the annual production, the project reduces NT$1.5 million dollars in costs and 1,093 tCO2e in carbon emission per year.

 

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