Получение синтез газ – Synthesis gas – an alternative way of obtaining

Synthesis gas - an alternative way of obtaining

Synthesis gas – an alternative method of processing natural gas and associated oil.

 

 

Absolutely new, efficient and low cost alternative method of processing natural or associated gas into synthesis gas. Relatively small reactors for producing synthesis gas, suitable for transport, which can be installed near the gas and oil fields.

 

The synthesis gas

Description of the problem

Traditional methods for producing synthesis gas

Alternative Preparation

Benefits

 

The synthesis gas:

The synthesis gas (sigaz) – gas mixture, the main components are CO (oxide carbon) and n2 (hydrogen). Depending on the method of producing synthesis gas ratio of CO:n2 it ranges from 1:1 to 1:3. In direct proportion to the raw materials used and the method of its component ratio in the synthesis gas varies widely. Usually, the percentage of substances in the raw crude synthesis gas include:

  • CO – 15-18%
  • h3 – 38-40%
  • Ch5 – 9-11%
  • CO2 – 30-32%

It is worth noting, that this ratio is very rough, because the temperature increase in the synthesis process can be increased amount of CO, and increasing the pressure can increase the content of H2 and CH4.

Also, syngas addition of these substances may contain other substances - inert gas (N2) and sulfur-containing compounds (h3S), if the feedstock containing sulfur. From the unnecessary presence of the synthesis gas substances such as the carbonic Heating sulfur disposed of by purification.

 

Description of the problem:

In Russia, mainly associated oil gas is burned. According to the calculations of the Ministry of Natural Resources, because of this country annually loses over 139 billion rubles. Besides, burning harms ecology. The solution to this problem lies in the effective processing of natural gas and associated oil – found an alternative way – the synthesis gas.

 

Traditional methods for producing synthesis gas:

There are several methods for producing synthesis gas.

Traditionally, it is produced from natural gas (methane), interacting with steam. This reaction between water vapor and methane is carried out at an elevated temperature (800-900 degrees) and pressure in the presence of nickel catalysts. The formula of this process:

Ch5 + h3O → CO + 3h3 .

But dowry production method has a large negative - for the implementation of this process requires large amounts of heat, which is obtained by burning large quantities of natural gas with carbon dioxide emissions weighty in atmosphere. It is expensive, and a negative impact on the environment.

Another method - the production of synthesis gas by oxidation of methane with oxygen. But pure oxygen is an expensive product, which leads to a sharp increase in the cost of manufacturing a synthesis gas.

 

Alternative Preparation:

Absolutely new, alternative, efficient and low cost method of obtaining consists in the production of synthesis gas based on a ceramic membrane reactors with mixed oxygen and electron conducting. This allows to combine the release of oxygen from the air, and oxidation of methane in a single process. This more compact technology, than conventional (reacting methane with water), to avoid the explosion of oxygen by reacting with methane. Relatively small reactors for producing synthesis gas, suitable for transport, which can be installed near the gas and oil fields, that allows the use of associated petroleum gas and on the spot to get out of it diesel, methanol, paraffin e pr. raw materials for chemical industry.

 

Benefits:

– economy,

environmental friendliness,

– mobility.

 

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Victor Potekhin

I received a question regarding pyrolysis plants for MSW incineration. answered. In particular, explained, that there are different pyrolysis installation: for combustion 1-4 hazard class and the rest. Accordingly, different technologies and prices.