Sustainability

Sustainability

South Pacific Laundry is committed to reducing its environmental footprint as much as possible. We have invested heavily in reducing water, gas and electricity usage across all our plants.

South Pacific Laundry recognises and is committed to supporting the Government’s vision of Corporate Social Responsibility in terms of their economic, social, and environmental impacts. In 2006, the company embarked on a project to support the implementation of a suite of sustainable technologies, which Sustainability Victoria believes resulted in the most resources smart laundry in the industry. All SPL plants are designed with environmental sustainability in mind whilst achieving the smallest carbon footprint possible.

South Pacific Laundry’s new facility has brought many environmental and economic benefits. We have set a new benchmark for other large industrial laundries as well as many other industries that use large amounts of processed hot water and/or discharge the water to sewers, such as hospitals, large hotels, small food processing plants and the food-manufacturing sector.

The technologies included:

  • Water recycling system, to save water and energy wastewater
  • Ecolab Energy Optimiser, to recover heat from the discharged hot water resulting in a reduction in drying time and less energy used per cycle.
  • Humidity sensors, reducing dryer gas usage by preventing over-drying.
  • Installed Boiler economiser, resulting in a 10% reduction in natural gas use for the primary boiler.
  • Installation of a new energy efficient variable speed drive rotary screw air compressor.
  • Reduction to electricity and gas maximum demand tariffs by modulating their demand
SEE TECHNOLOGY >>

https://www.sustainability.vic.gov.au/About-Us/Case-studies/Hospitality-and-services/South-Pacific-Laundry

https://youtu.be/GKl34TPrSmU --sustainability victoria video

 

Water Recycling

SPL recovers our water through a recycling treatment system named the Kemco system in our largest plant in Melbourne and Blue Ocean systems in all other plants. Recycling our water saves hundreds of thousands of litres every year.

Kemco system

SHAKER SCREEN -> AQUA HYDROCYCLONE -> CERAMIC MICROFILTRATION (CMF) -> REVERSE OSMOSIS (RO)

Discharged water will first pass through shaker screen and aqua hydrocyclone to remove suspended solids greater than 60 micron size  such as lint, sand, and gravel from laundry waste. It also acts as pre-filtration before being put through Ceramic Microfiltration (CMF) and Reverse Osmosis (RO). This system is capable to recover 85% of laundry wastewater at a rate of 18m3/second.

KEMCO - Ceramic Microfiltration System

The CMF filtration system is designed to deliver pre-filtered wastewater through ceramic filters which are able to filter wastewater constituents larger than 0.2 microns from the recycled water.

#For reference, the head of a pin is usually 2 millimetres in diameter (2000 Microns).

 

KEMCO - Reverse Osmosis System

Reverse Osmosis is the second stage of our filtration process. It is designed to further purify the water from the CMF by removing 98% of total dissolved solids, BOD, surfactants, reducing levels to laundry suitable cleaning water - no particles larger than .001 microns.

https://www.kemcosystems.com/wp-content/uploads/2015/10/SP-CaseStudy_web10-15.pdf 

 

Blue Ocean Systems

Blue Ocean Systems are deployed in all the other SPL plants across Australia. Laundry wastewater is filtered through a single step disks filtration system. This disk filtration technology can deliver consistent depth filtration down to 115µm (Micrometres). It is capable of recovering up to 15m3 per hour, is fully automated and self-cleaning which is triggered by an integrated differential pressure sensor.

So you can be sure that when your linen returns from treatment at South Pacific Laundry, it is as clean as it can be!

 

Reduction of Gas usage

Boiler Economiser

SPL has installed economisers in their Melbourne plant as an efficiency measure to reduce gas consumption. The Economizer in the boiler works on the principle of heat transfer. Heat transfer usually takes place from high temperature to low temperature.

In the case of Boilers, flue gases or exhaust from the boiler outlet are at high temperatures and water that needs to be preheated is at low temperatures.

So, the temperature difference between water and flue gases helps to increase the feed water temperature.

 

Reduction of Electricity usage

SPL has invested in solar systems across 3 plants thus far and there are plans to implement across all the other plants.

 

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