China’s leading oil producer Sinopec announced the country’s first successful trial production of bio-aviation kerosene on Tuesday, marking China’s solid step towards large-scale commercial production of aviation biofuel.
The first trial production, conducted by Sinopec Zhenhai Refining and Chemical Company, generated around 606 tonnes of bio-aviation kerosene, part of which will be supplied to airline companies.
Bio-aviation kerosene is produced from renewable resources such as waste cooking oil and animal and plant fat. Compared with traditional petroleum-based aviation fuel, the new biofuel can reduce CO2 emissions by over 50 percent or more throughout an airplane’s service cycle.
Self-developed high-tech project
In 2009, Sinopec started to conduct research on bio-aviation kerosene. It obtained China’s first bio-aviation kerosene airworthiness certificate in 2014, making it the first country in Asia and the fourth country in the world to have self-developed bio-aviation kerosene technology.
In August 2020, China built its first large-scale industrial plant for producing bio-aviation kerosene with a designed annual capacity of processing around 100,000 tonnes.
Huang Aibin, director of the Sinopec Zhenhai Refining and Chemical Company, told China Media Group (CMG) that “the amount of waste cooking oil recycled in a city with a 10 million population is about 10,000 tonnes per month. If runs at full capacity, this plant can almost digest all the recycled gutter oil of a city this size annually.”
Huang also mentioned the biggest difficulty is handling gutter oil as it contains a large number of fatty acid compounds, sulfur, chlorine, metal elements and other impurities, which are extremely difficult to remove. Huang’s team independently developed a special catalyst to optimize the processes of mixing, catalysis and heating.
According to data, if China replaces its current aviation kerosene of around 30 million tonnes aviation kerosene with biofuel, the country can reduce about 55 million tonnes of carbon dioxide emissions annually, which is equivalent to dropping driving over 30 million family economic cars for a whole year.
China to improve sci-tech services for rural population
China will launch a national campaign to better mobilize the science and technology sector to contribute to the country’s rural revitalization drive, according to a new set of guidelines.
Jointly issued by the China Association for Science and Technology and the National Rural Revitalization Administration, the guidelines specify a series of key tasks, including providing sci-tech training, lectures and industry-specific guidance to rural areas.
Sci-tech associations at all levels are called on to lead grassroots sci-tech workers to join in the work of rural revitalization.
The guidelines also require the relevant authorities to incorporate the construction of science popularization facilities into the overall layout of rural infrastructure, expand the service coverage of mobile science popularization facilities and build more sci-tech museums in rural secondary schools.
China’s Tianzhou-3 cargo spacecraft re-enters Earth’s atmosphere
Tianzhou-3, a cargo spacecraft that carried supplies to China’s space station, made a controlled re-entry into the Earth’s atmosphere at 11:31 a.m. on Wednesday (Beijing Time), according to the China Manned Space Agency.
The Long March-7 Y4 rocket carrying the Tianzhou-3 blasted off at 3:10 p.m. (BJT) on September 20, 2021, from the Wenchang Spacecraft Launch Site in south China’s Hainan Province. It carried about six tonnes of goods, including food items and spacesuits, to the country’s under-construction space station. Six and a half hours later, the cargo spacecraft docked with core module Tianhe at 10:08 p.m. (BJT) on the same day.
The Tianzhou-3 separated from the space station core module Tianhe on July 17, 2022, after completing all assigned assembly tasks.
It is the third mission of China’s Tianzhou-class unmanned cargo spacecraft and the second resupply mission to the space station after Tianzhou-2.
Shanghai firm receives urgent monkeypox virus test kit orders from WHO
Shanghai-based ZJ Biotech has received many urgent purchase orders from the World Health Organization (WHO) for its monkeypox virus test kit, and the company is now aiming to provide more support for accurate diagnosis and containment of the disease.
The WHO on Saturday activated its highest alert level for the growing monkeypox outbreak, declaring the virus a Public Health Emergency of International Concern.
The test kit developed by ZJ Biotech can accurately identify monkeypox virus by measuring the gene segment of the virus by specific fluorescence method.
“Currently the best detection method for many infectious pathogens across the world is the nucleic acid test, which has an accuracy rate of over 95 percent. It can reach more than 99 percent for some individual diseases,” said Shao Junbin, chairman of Shanghai ZJ Bio-Tech Co., Ltd.
The monkeypox virus test kit manufactured by the company has been sent to 41 countries and regions around the world. Of these, 24 emergency orders from the WHO were sent to 21 countries, covering Africa, Europe, Oceania and Southeast Asia.
At present, the company is in close contact with the WHO and health institutions in many countries around the world, aiming to provide support for accurate diagnosis and containment of the disease.
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