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C&D Foods halves carbon emissions

24 July 2016

C&D Foods, a dry pet food manufacturer, has saved over £50,000 and more than halved its CO2 emissions since converting its boiler fuel from oil to liquefied petroleum gas (LPG) from Calor. 

C&D Foods’ Larkshall site produces around 20,000 tonnes of dry pet food every year. Situated off the mains gas grid, the company has partnered with Calor for the last 20 years, using LPG to fuel a collection of large on-site industrial dryers that reduce the moisture content of the dry pet food once it has been extruded.

Calor approached the company in the summer of 2014 with a plan to improve its existing oil boiler efficiency and lower its carbon output.

Ian Harridge, general manager at C&D Foods, takes up the story: “Calor removed the existing large oil tanks and installed six 4,000 litre LPG tanks, as well as a vapouriser that can give us extra power when needed. Calor then supplied and installed a packaged gas burner to allow us to modify the boiler from its original oil burner.”

Harridge says that the proposal put forward by Calor to assist with the installation of the new equipment helped the company to minimise downtime and additional costs. “Calor worked around times when the plant did not need to run, which included some weekend work,” he said. “The installation went through with no real interruption to the business.”

LPG benefits
LPG’s reduced CO2 impact compared to oil was a critical reason behind the site’s decision to fully embrace gas for its processes, as the site continues to work towards the Carbon Trust Standard. LPG is currently the lowest off-mains carbon emitting fuel available on the market, emitting 20% less CO2 per kWh than oil. Since switching to LPG, C&D Foods has reduced its CO2 emissions by 52%.

The reduced overhead costs and improved operational efficiencies achieved with LPG was also a key driver for C&D Foods, resulting in financial savings of more than £50,000.

Each LPG tank is also fitted with Calor’s intelligent automatic top-up technology, alerting the supplier when a tank is low on fuel. This ensures a constant supply of fuel, guaranteeing a tank never runs short.


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