To resolve global enviromental problems we must give up a carbon technology which is not compensated by photosynthesis and simple inefficent combustion principles which cause an emmisions of NOx, SOx, dust,... and other fragments of hydrocarbons. Hydrogen is one way:
Why H2 as basic element of global solution of powering?
When using a hydrogen as the chemical energy storage after reaction with oxygen we get energy (heat, electricty, other chemicals...) and pure water which is automatically recycled via atmospehere and hydrospehere.
Hydrogen is the lightnest element on the world and has approx. 2.5-5 times highest energy density than other fuels used nowdays.
Hydrogen has no negative influence on the nature/enviroment.
Hydrogen "energy transportation/storage" cycle produce no CO2 or no other greenhouse gases as methane. We must realize that usage of methane or natural gas is associated with CH4 emmisions. Note that coal mining produce greenhouse methane and other poison gases as Rn.
General problems with hydrogen production, handling and comercialization:
Cheap oil and natural gas.
Hydrogen storage and infrastructure due to high explosivity of H2+O2 mixture.
Money and consumerism.
Producing hydrogen is well known in diferent kinds. H2 transformation to eletrical energy is developed too (fuell cells). Hydrogen properties:
izotopes
11H, 21H (deuterium D), 31H (tritium T)
molecule
H-H
melting temperature @100kPa
-259.14 degC
boiling temperature @100kPa
-252.8 degC
critical temp&pressure
-239.92 degC @ 1.297MPa
specific heat
14.189kJ.Kg^-1.K^-1 (approx 3.4x higher than water)
explosive mixture with oxygen
6 - 95 per cent H2 in O2
ignition temperature of H2+O2 mixture
~450 degC
amout of hydrogen on Earth of the whole mass
~0.9 per cent
Why H2 as basic element of global solution of powering?
When using a hydrogen as the chemical energy storage after reaction with oxygen we get energy (heat, electricty, other chemicals...) and pure water which is automatically recycled via atmospehere and hydrospehere.
Hydrogen is the lightnest element on the world and has approx. 2.5-5 times highest energy density than other fuels used nowdays.
Hydrogen has no negative influence on the nature/enviroment.
Hydrogen "energy transportation/storage" cycle produce no CO2 or no other greenhouse gases as methane. We must realize that usage of methane or natural gas is associated with CH4 emmisions. Note that coal mining produce greenhouse methane and other poison gases as Rn.
General problems with hydrogen production, handling and comercialization:
Cheap oil and natural gas.
Hydrogen storage and infrastructure due to high explosivity of H2+O2 mixture.
Money and consumerism.
Producing hydrogen is well known in diferent kinds. H2 transformation to eletrical energy is developed too (fuell cells). Hydrogen properties:
izotopes
11H, 21H (deuterium D), 31H (tritium T)
molecule
H-H
melting temperature @100kPa
-259.14 degC
boiling temperature @100kPa
-252.8 degC
critical temp&pressure
-239.92 degC @ 1.297MPa
specific heat
14.189kJ.Kg^-1.K^-1 (approx 3.4x higher than water)
explosive mixture with oxygen
6 - 95 per cent H2 in O2
ignition temperature of H2+O2 mixture
~450 degC
amout of hydrogen on Earth of the whole mass
~0.9 per cent
No comments:
Post a Comment