Gas to liquid conversion process
a technology of liquid conversion and gas, applied in the direction of hydrocarbon oil cracking, chemistry apparatus and processes, organic chemistry, etc., can solve the problems of large excess heat, large amount of untapped vast natural gas reserves, and large amount of underutilized resources, so as to reduce the atmosphere
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example 1
Photochemical Studies
[0033] This example demonstrates the process of the present invention in which the energy source used to generate hydrated electrons is ultra violet radiation.
[0034] The use of ultra violet radiation in the process of the present invention is described in detail in U.S. Provisional Application Ser. No. 60 / 366,068 filed Mar. 19, 2002, which is incorporated herein in its entirety by this reference.
[0035] Continuous-flow photolysis studies were conducted in a 5.7-liter, 4-inch-diameter, 28-inch-long cylindrical stainless steel reactor. The apparatus was designed to accommodate a 32-inch long low-pressure mercury vapor lamp. The reactor was fitted with a 100-Watt Sunlight Systems UV lamp with GE-214 quartz envelope to provide 85% transmittance of 185-nm photon emission.
[0036] For the initial test, the reactor was charged with approximately 24 psig ultra-pure methane (99.7%) and heated to 84° C. Upon reaching the target temperature, the ultraviolet light source w...
example 2
Electron Beam Gas-To-Liquid Studies
[0038] The purpose of this electron beam test was to demonstrate that the eaq− is indeed the initiator or catalyst for the chemistry observed in the present process. For these tests a 400 kv electron-beam energy source was used to generate eaq− in mixtures of water and methane and the reaction products were monitored by GC.
[0039] A series of small-scale (200 to 300 ml) batch studies were conducted to examine the conversion of water and methane to hydrogen and higher molecular weight hydrocarbons upon exposure to radiation from a low energy electron-beam. The electron beam studies were conducted using a 400 KeV, 900 Watt accelerator.
[0040] In these tests, the effects of electron-beam radiation on liquid- and vapor-phase water, methane, and a mixture of water and methane were investigated. Seven 300-ml polyvinylfluoride Teldar gas-sampling bags were filled with water, nitrogen or methane, and each bag exposed to multiple short exposures of 300 kv ...
example 3
Gamma Radiation Gas-To-Liquid Studies
[0054] A series of batch irradiation tests was conducted to examine the effects of gamma radiation on ultra-pure methane (99.97%) and methane / water mixtures. These tests were conducted to demonstrate that gamma radiation can be used to generate eaq− initiation sites and examine the effects of free radical scavengers on the active sites. In these studies, methane was used to scavenge free radicals from active eaq− sites to produce reactive products, molecular hydrogen and higher molecular weight hydrocarbons. These tests were conducted with a 60Co gamma radiation source at a dose rate of 20 kRad / min.
[0055] Four samples of Ultra High Purity methane (99.97%) and methane / water mixtures were prepared in ¾-inch diameter 6-inch long stainless steel vials. The vials were placed in a gamma irradiator for 16 hours and the treated gases analyzed by GC and GC / MS.
[0056] A description of the samples and hydrogen levels in the treated gases is provided in th...
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