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Waste cooking oil from the catering premises was used for the animal feed in the past until October 2004.On 31 October 2004, the guideline about the animal feed has been issued by the environmental agency and food standard agency. The key point of the regulation was that the usage of waste cooking oil is harmful, and it must be ban for the animal’s safety. The rule is known as the animal by products regulations EC 1774/2002 and it applied for all the member states of Europe including UK in 2004 whether in some member of the state it has already applied since May 2002 (Toop.G et al,2013).
Before these regulations, the animal food manufacture companies were collecting most of the waste cooking oil from the catering premises, but they have to stop this collection because this waste oil was not beneficial for them anymore. However, the biodiesel producer can use this oil as a raw material for the transport fuel or for the use in oleochemical industry. The UK government and environmental agencies supports the collection of oil from these premises as it causes the reduction of landfill sites for the disposal purposes as well as the less usage of fossil fuels for the energy generation (Toop.G et al 2013). However, the collectors always took the big catering premises into their consideration, but no one gave proper attention to household waste cooking oil and as a result most of the household oil had been poured into drains and sewers without knowing this as a committing offence.
Waste cooking oil is one of the key source of causing the drain and sewer problems. The waste cooking oil is the combination of grease, fats and oil and when it is disposed of down the drains or kitchen sink then not only the blockage issue occurs in the drainage system but also this waste cooking oil cause the increasing risk of the pollution for wildlife in the rivers, canals and streams of waste water management system.
The unique ”fats to fuel” recycling scheme had been started from the Karmand centre Bradford with the support of Yorkshire water. The main aim of the scheme was to give awareness to the local people about their current drainage problems and issues with Yorkshire water. The Karmand centre team met the local people and told them how the pouring of waste cooking oil into the drains can cause the problems not only for themselves and the community living around the area because of pipes blockages but also for the Yorkshire water who have to spend millions of pounds every year to clear these blockages. The Karmand centre achieved a great success in the scheme as it is evident from the Yorkshire water report which indicates the 85 blockages problem in three years due to the fats and grease before but it reduces to one ore two in a year after launching the scheme. However after achieving this goal the Karmand centre wants to use the collected waste oil for the electricity and heating purposes for the centre itself but before using this collected oil for this purpose it is very important to satisfy the Bradford council and environmental agency about the emissions of this oil which is not only one specific type of oil but is mixed and having all different possible categories of oil.
This project report is about the investigation of emissions of the specific oil collected by the karmand centre. The university of Bradford has been given the project to continue the Karmand centre scheme for the investigation of emissions of this collected oil . The collected oil has been converted into biodiesel through transesterification process and emissions have been analysed and compared according to ASTM D6751 biodiesel standards. The properties of waste cooking oil, the biodiesel produced from the waste cooking oil and conventional diesel has been analysed briefly and it has been concluded that overall the biodiesel produced from waste cooking oil complies the biodiesel ASTM standards and HC, CO, CO2,SO,SO2 and particulate matter emissions are relatively low compare to conventional diesel but NOX emissions are slightly higher . The comprehensive analysis and research indicates that the biodiesel produced from the waste cooking oil is a promising alternative fuel because of low carbon emissions and almost free sulphur contents

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