Mexico develops technologies to successfully improve the quality of heavy crude oil

According to Dow Jones Mexico City, Mexico's national oil giant Pemex said recently that Mexico has successfully developed a technology that can improve the quality of heavy crude oil, which will promote the country's heavy crude oil production and export volume.
Pemex said in the announcement that the technology was developed by the Mexican Petroleum Institute (MPI) to make the processing of heavy crude oil easier and to increase the market value of heavy crude oil.
Pemex's current crude oil production is 3.3 million barrels per day, 70% of which is heavy crude oil, while exports are 1.86 million barrels per day, of which more than 80% are heavy crude oil.
According to Pemex, this technology can convert heavy crude oil into medium crude oil at a lower cost.
Pemex said that in August the company had tested the technology using heavy crude oil with an API of 13 from the Ku-Maloob-Zaap field, and the results were better than expected. The company will evaluate the feasibility of the large-scale promotion of the technology.

Centrifuge Tube Rack

At present, in the process of isolation and preparation of various stem cells from various tissue sources, Centrifuge Tubes with a volume of 15ml and 50ml are used.
It is one of the low-value consumables with high usage rate. It is generally installed on a dry foam rack with the package or in bulk. When used, it is taken out by the operator and placed on the plastic centrifuge tube rack in the ultra-clean workbench. The common centrifuge tube rack can only make the centrifuge tube stand upright. When transferring liquid or needing centrifugation, the operator should hold the centrifuge tube in the left and the night gun or aspirator in the right. If it is necessary to transfer a large amount of liquid reagents or perform gradient centrifugation operations, such as density gradient centrifugation to separate mononuclear cells, the operator needs to hold the centrifuge tube with the right hand for a long time and tilt the centrifuge tube, which often causes the operator's wrist joint pain. At the same time, it will also affect the liquid superposition effect, which will easily lead to the mixing of liquids of different densities, resulting in the failure of the experiment.

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