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General concepts of fire safety. Occupational Safety and Health

Occupational Safety and Health

Occupational Safety and Health / Legislative basis for labor protection

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General legal, economic and social foundations for ensuring fire safety in the Russian Federation is determined by the Federal Law of December 21, 1994 No. 69-FZ "On Fire Safety" -. Normative legal documents in the field of fire safety are also the "Fire Safety Rules in the Russian Federation" (PPB 01-03), state standards of the System of Labor Safety Standards (SSBT), Building Codes and Rules (SNiP), Fire Safety Standards (NPB), etc. Ensuring fire safety is one of the most important functions of the state.

The most important concept of fire safety is the concept of "fire", which is understood as uncontrolled combustion, causing material damage, harm to the life and health of citizens, the interests of society and the state.

The law defines fire safety as a state of protection of an individual, property, society and the state from fire, and fire safety requirements - as special conditions of a social and / or technical nature established in order to ensure fire safety by the legislation of the Russian Federation, other regulatory documents or an authorized state body.

At the same time, violation of fire safety requirements is understood as non-fulfillment or improper fulfillment of fire safety requirements.

All fire safety requirements are aimed either at preventing the occurrence of a fire, or at organizing the possibilities for its elimination.

The fire safety system is understood as a set of forces and means, as well as legal, organizational, economic, social, scientific and technical measures aimed at fighting fires.

The main elements of the fire safety system are federal executive authorities, executive authorities of the subjects of the Russian Federation, local governments, enterprises, citizens involved in ensuring fire safety in accordance with the legislation of the Russian Federation.

Authors: Fainburg G.Z., Ovsyankin A.D., Potemkin V.I.

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Diesel fuel from sugar 22.11.2012

Scientists at the University of California have resurrected an abandoned technology for converting starch into explosives and using it to create a process that makes it possible to produce diesel fuel.

The technique for producing diesel fuel from bacterial fermentation products was developed by the chemist Chaim Weizmann almost 100 years ago. It allows the production of a combination of products that contains more energy per liter than ethanol, which is now widely used in transport and can become commercially viable within 5-10 years.

The Weizmann process is based on the activity of the bacterium Clostridium acetobutylicum, which promotes the conversion of sugars into acetone, butanol and ethanol. American scientists improved the technology using a new catalyst and increased the yield of acetone and butanol. As a result, the fermentation of the mixture produces less ethanol, but more long-chain hydrocarbons, which are similar to the combination of hydrocarbons in diesel fuel. This technology is good in that it uses a widely available renewable raw material, sugar or starch, to produce fuel, and allows you to directly produce fuel or chemical components necessary for the manufacture of, for example, plastics.

Tests have shown that the fuel obtained by the new method burns almost the same as petroleum diesel fuel, which means that it can be mixed with traditional fuel. The new process is quite versatile and allows the use of a wide range of renewable raw materials: from corn sugar (glucose) and cane sugar (sucrose) to starch, as well as non-food raw materials (grass, branches, straw, etc.). The process can be customized to produce a variety of hydrocarbons, including light hydrocarbons like gasoline or jet fuel.

Initially, Weizmann developed his own technology for the production of gunpowder. However, oil soon became more accessible and cheaper, and Weizmann's technology did not catch on because it was too inefficient. Today, American scientists have been able to create a catalyst based on palladium and potassium phosphate. The catalyst effectively binds ethanol and butanol and converts them into aldehydes. The aldehydes then react with acetone to produce long chain hydrocarbons.

So far, this technology produces fuel that is more expensive than oil. However, it can find its niche, for example, to reduce oil dependence. In addition, scientists are working to replace expensive palladium catalysts with cheaper and more efficient ones, which will make diesel fuel from sugar more competitive.

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