Ships at sea
Evergreen fleet use the residual heat generated by recycling the engine cooling water. The low-temperature vacuum heat exchanger is used to distill seawater and produce about 20-30 tons of fresh water per day, which is sufficient for shipping equipment and living requirements on board, in order to reduce the consumption of terrestrial water resources.
Waste water emission management
Waste water produced on the ship sailing on the seas:
Engine room bilge water: Must be processed using an oil-water separator that satisfies MARPOL requirements and meet the following conditions before it can be discharged into the sea: specified ship speed, oil concentration is below 15ppm, and ship is in non-Antarctic waters. All Evergreen Marine ships use MARPOL compliant oil-water separators to process the bilge water before they are discharged at more than 15/25 nautical miles. Our coastal and port environmental protection policy exceeds the requirements of MARPOL.
Greywater: Refers to run-off from dish-washing, bathing, laundry, showers and wash-basins. Greywater disposal is currently not covered by MARPOL. Evergreen Marine has nevertheless exceeded MARPOL requirements by installing or modifying grey water storage tank. All new ship built will be equipped with grey water storage tank in the future and it has now been fitted to almost 80 ships. Greywater is not discharged within 15/25 nautical miles of the seashore and is instead stored in the shipboard greywater tank.
Shore operations
Kaohsiung Container terminal Tap water is mainly intended by the Kaohsiung Terminal Div. for washing containers and general domestic consumption. Container washing increased in 2017 but this had no impact on the water source. The container terminal channels waste water from container washing and cranes to the catchment pond of the terminal’s waste water treatment plant. The waste water is treated to discharge standards before being released into the sea. Water quality testing equipment has been progressively replaced to maintain a constant watch over discharge standards. Discharge volumes are reported every 6 months to the environmental protection authority. Random water quality audits are also conducted.
Office buildings
Water consumption at the Evergreen Marine building is supplied by the water company. The building is purely used as offices so all waste water is domestic wastewater that requires no special treatment before being directly discharged into the public wastewater recovery system.
Water consumption in the past 3 years
| Operation | Item | 2017 | 2018 | 2019 |
|---|---|---|---|---|
| Ships at sea | Fresh water supply to the ship (ton) | 100,932 | 103,217 | 88,643 |
| Kaohsiung Terminal | Annual tap water consumption (liter) | 33,298 | 25,798 | 25,377 |
| Sewage treatment volume (CMD) | 8,686 | 6,121 | 7,968 | |
| Evergreen Marine office building | Annual tap water consumption (liter) | 25,904 | 25,370 | 25,006 |
Waste disposal plans have been developed for dealing with all solid or liquid wastes produced aboard our ships. Waste disposal is carried out in strict accordance with international and local environmental regulations. All Evergreen fleets have a waste management plan that specifies how waste should be handled. Records are also kept of all waste disposal to comply with the requirements of international environmental regulations.
Ships at sea
To comply with the requirements of international environmental protection conventions, Evergreen Marine has developed a comprehensive fleet waste management plan for all hazardous waste and solid waste produced aboard our ships. The five key principles are collection, sorting, disposal, retention, and recording. Every Evergreen ship is equipped with stainless steel rubbish bins for sorting waste. Crew members and visitors can drop their rubbish in the appropriate bins instead of throwing them into the thus causing marine pollution.
The fleet waste management plan has been developed in accordance with Annex V of MARPOL. In addition to the reduction of waste and hazardous substances, waste is encouraged to be discharged onshore for recycling, reuse, and reduction. The 15 / 25 nautical miles policy was developed by Evergreen Marine in line with international regulations and regional requirements to protect the environment around the coast and port. The extension of environmental regulations and high management standards adopted demonstrate our commitment to protecting the environment.
Ash analysis
Our waste management policy requires waste to be sorted into the flammable or nonflammable categories. Flammable waste, including rags contaminated with oil, wooden cases, cartons, used napkins and other wastes that cannot be reclaimed, are incinerated aboard the ship. The ash is then processed to avoid the creation of toxic pollutants and transferred to qualified shore side contractors for proper disposal. Wasted ship supplies are recycled by the suppliers or handed over to qualified contractors for disposal.
Every Evergreen container is equipped with waste incineration equipment that satisfy the relevant regulations. The unloading of oily rags and greasy sludge produced during ship operations is now banned by an increasing number of countries. Shipboard rags and sludge are therefore disposed of in accordance regulatory standards using the incinerator aboard the ship, leading to an increase in the amount of ashes generated over recent years.
| 2017 | 2018 | 2019 | |
|---|---|---|---|
| Total quantity | 78.900 | 75.558 | 72.108 |
| Average quantity (per ship) | 0.7812 | 0.657 | 0.606 |