Lanzhou scientists use waste oil to make biodiesel

Lanzhou scientists use waste oil to make biodiesel

Highest yield of 92.4% The technology has obtained national patent

According to statistics, China consumes 12 million tons of vegetable oil each year. The catering industry in large and medium-sized cities produces 5 million tons of waste edible oil, and the oil mill directly produces 2.5 million tons of acid oil. Nowadays, these difficult-to-handle waste oils have new uses and destinations. Recently, a method for preparing biodiesel from discarded edible oils was developed by the research and development group of cobalt salt catalysts of the National Engineering Research Center for Fine Petrochemicals Intermediates of the Lanzhou Institute of Chemicals, Chinese Academy of Sciences. "The national invention patent was obtained. With this technology, renewable diesel fuel can be made instead of petrochemical diesel.

The research group of the Lanzhou Institute of Chemicals of the Chinese Academy of Sciences used raw materials such as restaurant waste oil, leftovers, and a mixture of the two as raw materials to obtain biodiesel through steps such as decontamination, dehydration, deacidification with an extractant, esterification, separation, and distillation. It is understood that the highest yield of biodiesel obtained with this technology is 92.4%. This kind of technology has the advantages of easy availability of raw materials and low cost. Compared with the existing technologies in the country, it also has the advantages of high catalyst efficiency, simple production process, short reaction cycle and low reaction temperature.

Glossary

What is biodiesel?

Biodiesel is a regenerative diesel fuel that can be replaced by petrodiesel made from oil crops, wild oil plants and engineered microalgae and other aquatic plant oils and animal fats, catering waste oil as raw material oil, is a kind of biomass energy, Outstanding environmental protection and reproducibility.

Experts predict that the use of reasonable raw materials such as China's restaurant waste oil, oil mill oil foot, stocks of expired oil and forest oil, can support large-scale biodiesel industry. If more stable oil sources are established in the future, the scale of China's biodiesel industry will continue to expand. He Yan Lanzhou Evening News

Heat Sink

Heat sink is a vital component that helps to dissipate heat from electronic devices. These devices generate heat as they operate, which can damage the internal components and cause malfunctions. In this article, we will explore what heat sinks are, how they work, and why they are important.

What is a heat sink?

A heat sink is a hardware device that is used to regulate the temperature of electronic components by dissipating heat. It is usually made out of an aluminum or copper plate with fins, which help to increase the surface area and improve the efficiency of heat transfer. Heat sinks are commonly used in electronic devices such as computers, power supplies, and mobile phones.

How do heat sinks work?

The purpose of a heat sink is to transfer heat from an electronic component to the surrounding environment. When electronic components such as CPUs or GPUs become hot, the heat is transferred to the metal plate of the heat sink. The heat sink then uses its fins to increase the surface area for the transfer of heat to the air. As the air flows over the fins, it absorbs the heat and carries it away, thus cooling the electronic component.

Why are heat sinks important?

Heat sinks play a significant role in ensuring that electronic devices function correctly and have an extended lifespan. Here are a few key reasons why heat sinks are important:

1. Improved performance: When electronic components become too hot, they can malfunction or slow down. Heat sinks help to regulate the temperature of these components, allowing them to operate at their full potential.

2. Extended lifespan: Overheating can cause damage to electronic components, leading to a shortened lifespan. Heat sinks help to prevent this by ensuring that the components are kept within their safe temperature range.

3. Reliability: By preventing excessive overheating, heat sinks contribute to the overall reliability of electronic devices, reducing the risk of malfunctions and failures.

In summary, heat sinks are an essential component of electronic devices that help to regulate the temperature of electronic components. They improve performance, extend the lifespan of devices, and contribute to their overall reliability. Regular maintenance, cleaning, and replacement of damaged heat sinks are crucial for ensuring the optimal functioning of electronic devices.

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