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Water Pollution Control

  • Wastewater Discharge

          In accordance with   the Water Pollution Control Act, wastewater (sewage) generating units shall have wastewater treatment procedures and obtain approval documents of water pollution prevention and shall be sampled and analyzed by qualified testing agencies in accordance with the prescribed schedules. Regular reporting shall be done on the website designated by the EPA, and all the wastewater (sewage) discharged shall meet the effluent standards. Wastewater is finally discharged into the sea and does not have major impacts on the water sources. The amount of discharged wastewater in 2020 was 2,163.1 million litters, an increase of 0.84% compared with 2019. The production capacities of Huwei and Shanhua Sugar Refineries was 551,462 tonnes of sugarcane and 57,488.41 tonnes of sugar, an increase of 25.54% and 12.27% respectively compared with 2019, resulting in increased wastewater during the manufacturing process.



  • Investment in Environmental Protection

          There were no major environmental fines in 2020. However, the environmental impact of the livestock farms has been the major issue of the company in recent years. In addition to strengthening the wastewater and waste handling process in the field, we also review and improve the operation process and have prepared budgets for the installment of pig houses with water curtain and environmental protection facilities related to biogas power generation to meet the standards for wastewater discharge and reduce the occurrence of odor. 

          To fulfill our social responsibility for the environment, TSC has invested funds for environmental protection related work. In 2020, the environmental protection expenses amounted to NTD 3,702,763 thousand, a 169.55% increase from 2019.



  • Wastewater Treatment and Recycling Measures of the Livestock Business Division (Pig Farms)
  1. The wastewater adopts secondary aeration treatment system.
  2. In 2020, Animal Industry Business Division initiated the application for the reuse of the wastewater in the farm, and 12 pig farms (Waipu, Huwei, Douliu, Annei, Nanjing, Lucao, Haipu,Shanhua, Nan Shalun, Xincuo, Silinfan and Da-er ChangPig Farms) were approved for the reuse, with the accumulative amount of 421,931 tons of reclaimed wastewater. Other livestock farms will apply for it in 2021.
  3. We work with the Environmental Protection Agency’s promotion of the use of biogas slurry and residues for farmland fertility and the reuse of agricultural business waste. As of 2020, the cumulative irrigation with biogas slurry and residue on the farmland amounted to 61,559 tonnes (Nanjin, Xincuo, Shilinfan and Da Xiang Er Chang), and the amount of reused liquid waste irrigated in Douliu Breeding Farm reached 21,164 tonnes. The biogas slurry is used on the farmland to increase soil fertility, reducing wastewater discharged to rivers and thus reduced pollution.
  4. Wastewater discharge standards: BOD: 80 mg/L, COD: 600 mg/L, SS: 150 mg/L.
  5. All the livestock farms of the Animal Industry Business Division entrusted qualified inspection agencies to conduct sampling analysis every 6 months in accordance with the Water Pollution Prevention and Control Law. Regular reporting shall be done by filling out the animal husbandry wastewater (sewage) test declaration form on the website designated by the EPA, and the declaration is handled through network transmission.
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