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Chilean Scientists Produce Biodiesel From Microalgae which can Power Vehicles

"What is new about our process is the intent to produce this fuel from microalgae, which are microorganisms," researcher Carlos Saez told Reuters

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biodiesel from microalgae
A biochemist shows different types of microalgae for the study and manufacture of a biofuel in high displacement diesel engines for reducing emissions of gases and particulate matter in Santiago, Chile. VOA
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  • Experts from the Department of Chemical Engineering and Bioprocesses at Chile’s Catholic University said they had grown enough algae to fragment it and extract the oil which can be converted into biofuel.
  • Most of the world’s biodiesel, which reduces dependence on petroleum, is derived from soybean oil
  • The main challenge going forward would be to produce a sufficient volume of microalgae

Santiago, July 1, 2017: Biodiesel made from microalgae could power buses and trucks and reduce greenhouse gas emissions by as much as 80 percent, Chilean scientists said, possibly curbing pollution in contaminated cities like Santiago.

Experts from the department of Chemical Engineering and Bioprocesses at Chile’s Catholic University said they had grown enough algae to fragment it and extract the oil which, after removing moisture and debris, can be converted into biofuel.

“What is new about our process is the intent to produce this fuel from microalgae, which are microorganisms,” researcher Carlos Saez told Reuters.

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Most of the world’s biodiesel, which reduces dependence on petroleum, is derived from soybean oil. It can also be made from animal fat, canola or palm oil.

Saez said a main challenge going forward would be to produce a sufficient volume of microalgae. A wide variety of fresh and salt water algaes are found in Chile, a South American nation with a long Pacific coast.

The scientists are trying to improve algae growing technology to ramp up production at a low cost using limited energy, Saez said. (VOA)

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Mass Resignations of Catholic Bishops in Chile Over Sex Scandal

Vatican spokesman Greg Burke said he had no comment on whether Pope Francis would accept the mass resignation.

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In an unprecedented move in the modern history of the Catholic church every bishop in Chile has offered his resignation to Pope Francis, in a case involving sex abuse scandal, media reported.
Catholic bishops in Chile resign over the issue of sex scandal. Pixabay

In an unprecedented move in the modern history of the Catholic church every bishop in Chile has offered his resignation to Pope Francis, in a case involving sex abuse scandal, media reported.

Thirty one active bishops and three retired bishops on Friday announced their resignation after a three-day emergency summit at the Vatican to discuss Chile’s sex abuse scandal.

The simultaneous resignation of all the bishops in a single country is thought to be unprecedented, CNN reported.

The resignations came as the bishops said they placed the issue “in the hands of the Holy Father so that he might freely decide for each one of us”.

Vatican spokesman Greg Burke said he had no comment on whether Pope Francis would accept the mass resignation.

In response to the resignation of the country’s bishops on Friday, Marie Collins, a former member of the Pope’s Commission for the Protection of Minors, said that the gesture was not enough.

“No bishop removed — all allowed to resign. Really nothing changes,” Collins wrote on Twitter.

In an unprecedented move in the modern history of the Catholic church every bishop in Chile has offered his resignation to Pope Francis, in a case involving sex abuse scandal, media reported.
Pope Francis has not commented on the issue yet. Pixabay

Pope Francis called the country’s bishops to Rome after he received a 2,300-page report detailing sexual abuses by priests in Chile.

At the centre of the scandal is the Bishop of Osorno, Juan Barros, whom Francis appointed in 2015 amid an outcry that Barros had known about and covered up abuses.

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The Pope stridently defended Bishop Barros, calling accusations against him “calumny”.

In an about-face in April, after receiving the Vatican investigator’s report, the Pope said he had made “grave errors in judgment”, and apologised to Chile’s sex abuse victims.

In May, the Pope met privately at the Vatican with three of Barros’ main accusers and asked their forgiveness. (IANS)