ABOUT 40 percent of used oil produced by local eateries failed to flow into official channels for swill oil collection and reuse, leaving loopholes for illegal gutter oil businesses, local industry leaders said.
They spoke yesterday while at a conference on environmental technology on swill oil processing.
Shanghai's 50,000 eateries produce about 40,000 tons of swill oil every year, while the city's only two licensed swill oil processing companies just received about 25,000 tons.
Since the city tightened the supervision of swill oil processing last year and ordered the installation of machines at restaurants to separate swill oil from kitchen oil, industry officials said they are receiving much more swill oil. Also, more swill oil will be collected by official companies, since the government has ordered installation of the machines in all restaurants before year's end and announced strict rules to regulate swill oil transportation and processing.
Officials from the Shanghai Food Safety Office said the government will control almost all the swill oil after having all restaurants install the machines.
Swill oil is used as a material for producing biological diesel oil, which is much more environmentally friendly than ordinary diesel.
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