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The Leo Group
The Leo Group is a privately owned, waste-recycling company based in Halifax, England that specialises in the collection and processing of animal by-products. The company is currently run by Daniel Sawrij, the managing director, who took over from the company's founders, his parents Margaret and Leo Sawrij, in 1988. History The Leo Group was founded in the 1970s by Margaret and Leo Sawrij and was originally named Swalesmoor Mink Farm. The couple bought a 10-acre farm in Halifax in 1971 and began breeding minks and foxes for the fur industry. Following the prohibition of mink farming in the UK and the handover to Daniel Sawrij, the company turned its focus to selling maggots to fishing tackle shops, soon becoming the biggest producer of maggots supplying seven thousand gallons of maggots a week to Belgium, Germany, Italy, Netherlands and France At the same time, the company began mixing food for small pet food companies. In 1993, Daniel Sawrij sold 90 percent of his beef cattle s ...
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Halifax, West Yorkshire
Halifax () is a minster and market town in the Metropolitan Borough of Calderdale in West Yorkshire, England. It is the commercial, cultural and administrative centre of the borough, and the headquarters of Calderdale Council. In the 15th century, the town became an economic hub of the old West Riding of Yorkshire, primarily in woollen manufacture. Halifax is the largest town in the wider Calderdale borough. Halifax was a thriving mill town during the industrial revolution. Toponymy The town's name was recorded in about 1091 as ''Halyfax'', from the Old English ''halh-gefeaxe'', meaning "area of coarse grass in the nook of land". This explanation is preferred to derivations from the Old English ''halig'' (holy), in ''hālig feax'' or "holy hair", proposed by 16th-century antiquarians. The incorrect interpretation gave rise to two legends. One concerned a maiden killed by a lustful priest whose advances she spurned. Another held that the head of John the Baptist was buried he ...
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Power Station
A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the generation of electric power. Power stations are generally connected to an electrical grid. Many power stations contain one or more generators, a rotating machine that converts mechanical power into three-phase electric power. The relative motion between a magnetic field and a conductor creates an electric current. The energy source harnessed to turn the generator varies widely. Most power stations in the world burn fossil fuels such as coal, oil, and natural gas to generate electricity. Low-carbon power sources include nuclear power, and an increasing use of renewables such as solar, wind, geothermal, and hydroelectric. History In early 1871 Belgian inventor Zénobe Gramme invented a generator powerful enough to produce power on a commercial scale for industry. In 1878, a hydroelectric power station was designed and built b ...
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Offal
Offal (), also called variety meats, pluck or organ meats, is the organs of a butchered animal. The word does not refer to a particular list of edible organs, which varies by culture and region, but usually excludes muscle. Offal may also refer to the by-products of milled grains, such as corn or wheat. Some cultures strongly consider offal as food to be taboo, while others use it as everyday food or even as delicacies. Certain offal dishes—including '' foie gras'', '' pâté'', and haggis —are internationally regarded as gourmet food in the culinary arts. Others remain part of traditional regional cuisine and may be consumed especially during holidays. This includes sweetbread, Jewish chopped liver, U.S. chitterlings, Mexican menudo, as well as many other dishes. On the other hand, intestines are traditionally used as casing for sausages. Depending on the context, ''offal'' may refer only to those parts of an animal carcass discarded after butchering or skinning ...
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Bradford City Council
City of Bradford Metropolitan District Council is the local authority of the City of Bradford in West Yorkshire, England. It is a metropolitan district council, one of five in West Yorkshire and one of 36 in the metropolitan counties of England, and provides the majority of local government services in Bradford. Since 1 April 2014 it has been a constituent council of the West Yorkshire Combined Authority. History In 1974, City of Bradford Metropolitan District Council was created to administer the newly formed metropolitan borough. The county borough of Bradford was merged with the Borough of Keighley, the Urban Districts of Baildon, Bingley, Cullingworth, Denholme, Ilkley, Shipley and Silsden, along with part of Queensbury and Shelf Urban District and part of Skipton Rural District by the Local Government Act 1972. The Council, which is based at Bradford City Hall in Centenary Square, governs the whole metropolitan district. The city was granted the right on 18 September 1907 to ...
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Aberdeen
Aberdeen (; sco, Aiberdeen ; gd, Obar Dheathain ; la, Aberdonia) is a city in North East Scotland, and is the third most populous city in the country. Aberdeen is one of Scotland's 32 local government council areas (as Aberdeen City), and has a population estimate of for the city of Aberdeen, and for the local council area making it the United Kingdom's 39th most populous built-up area. The city is northeast of Edinburgh and north of London, and is the northernmost major city in the United Kingdom. Aberdeen has a long, sandy coastline and features an oceanic climate, with cool summers and mild, rainy winters. During the mid-18th to mid-20th centuries, Aberdeen's buildings incorporated locally quarried grey granite, which may sparkle like silver because of its high mica content. Since the discovery of North Sea oil in 1969, Aberdeen has been known as the offshore oil capital of Europe. Based upon the discovery of prehistoric villages around the mouths of the rivers ...
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Anaerobic Digestion
Anaerobic digestion is a sequence of processes by which microorganisms break down biodegradable material in the absence of oxygen. The process is used for industrial or domestic purposes to manage waste or to produce fuels. Much of the fermentation used industrially to produce food and drink products, as well as home fermentation, uses anaerobic digestion. Anaerobic digestion occurs naturally in some soils and in lake and oceanic basin sediments, where it is usually referred to as "anaerobic activity". This is the source of marsh gas methane as discovered by Alessandro Volta in 1776. The digestion process begins with bacterial hydrolysis of the input materials. Insoluble organic polymers, such as carbohydrates, are broken down to soluble derivatives that become available for other bacteria. Acidogenic bacteria then convert the sugars and amino acids into carbon dioxide, hydrogen, ammonia, and organic acids. In acetogenesis, bacteria convert these resulting organic aci ...
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South Yorkshire
South Yorkshire is a ceremonial and metropolitan county in the Yorkshire and Humber Region of England. The county has four council areas which are the cities of Doncaster and Sheffield as well as the boroughs of Barnsley and Rotherham. In Northern England, it is on the east side of the Pennines. Part of the Peak District national park is in the county. The River Don flows through most of the county, which is landlocked. The county had a population of 1.34 million in 2011. Sheffield largest urban centre in the county, it is the south west of the county. The built-up area around Sheffield and Rotherham, with over half the county's population living within it, is the tenth most populous in the United Kingdom. The majority of the county was formerly governed as part of the county of Yorkshire, the former county remains as a cultural region. The county was created on 1 April 1974, under the Local Government Act 1972. It was created from 32 local government districts of the ...
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Scotland
Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to the north and west, the North Sea to the northeast and east, and the Irish Sea to the south. It also contains more than 790 islands, principally in the archipelagos of the Hebrides and the Northern Isles. Most of the population, including the capital Edinburgh, is concentrated in the Central Belt—the plain between the Scottish Highlands and the Southern Uplands—in the Scottish Lowlands. Scotland is divided into 32 administrative subdivisions or local authorities, known as council areas. Glasgow City is the largest council area in terms of population, with Highland being the largest in terms of area. Limited self-governing power, covering matters such as education, social services and roads and transportation, is devolved from the Scott ...
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England
England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe by the North Sea to the east and the English Channel to the south. The country covers five-eighths of the island of Great Britain, which lies in the North Atlantic, and includes over 100 smaller islands, such as the Isles of Scilly and the Isle of Wight. The area now called England was first inhabited by modern humans during the Upper Paleolithic period, but takes its name from the Angles, a Germanic tribe deriving its name from the Anglia peninsula, who settled during the 5th and 6th centuries. England became a unified state in the 10th century and has had a significant cultural and legal impact on the wider world since the Age of Discovery, which began during the 15th century. The English language, the Anglican Church, and Engli ...
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Ingleton, North Yorkshire
Ingleton is a village and civil parish in the Craven district of North Yorkshire, England. The village is from Kendal and from Lancaster on the western side of the Pennines. It is from Settle. The River Doe and the River Twiss meet to form the source of the River Greta, a tributary of the River Lune. The village is on the A65 road and at the head of the A687. The B6255 takes the south bank of the River Doe to Ribblehead and Hawes. All that remains of the railway in the village is the landmark Ingleton Viaduct.OS map 98, Wensleydale and Upper Wharfdale. Arthur Conan Doyle was a regular visitor to the area and was married locally, as his mother lived at Masongill from 1882 to 1917 (see notable people). It has been claimed that there is evidence that the inspiration for the name Sherlock Holmes came from here. Whernside, north-north-east of the village, one of the Yorkshire Three Peaks, is the highest point in the parish at . There are major quarries within the paris ...
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Bradford
Bradford is a city and the administrative centre of the City of Bradford district in West Yorkshire, England. The city is in the Pennines' eastern foothills on the banks of the Bradford Beck. Bradford had a population of 349,561 at the 2011 census; the second-largest population centre in the county after Leeds, which is to the east of the city. It shares a continuous built-up area with the towns of Shipley, Silsden, Bingley and Keighley in the district as well as with the metropolitan county's other districts. Its name is also given to Bradford Beck. It became a West Riding of Yorkshire municipal borough in 1847 and received its city charter in 1897. Since local government reform in 1974, the city is the administrative centre of a wider metropolitan district, city hall is the meeting place of Bradford City Council. The district has civil parishes and unparished areas and had a population of , making it the most populous district in England. In the century leadin ...
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Biodiesel
Biodiesel is a form of diesel fuel derived from plants or animals and consisting of long-chain fatty acid esters. It is typically made by chemically reacting lipids such as animal fat (tallow), soybean oil, or some other vegetable oil with an alcohol, producing a methyl, ethyl or propyl ester by the process of transesterification. Unlike the vegetable and waste oils used to fuel converted diesel engines, biodiesel is a drop-in biofuel, meaning it is compatible with existing diesel engines and distribution infrastructure. However, it is usually blended with petrodiesel (typically to less than 10%) since most engines cannot run on pure Biodiesel without modification. Biodiesel blends can also be used as heating oil. The US National Biodiesel Board defines "biodiesel" as a mono-alkyl ester. Blends Blends of biodiesel and conventional hydrocarbon-based diesel are most commonly distributed for use in the retail diesel fuel marketplace. Much of the world uses a system know ...
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