Abstract
AbstractA mechano-chemical reaction formed by a simple high-energy ball milling was applied to simulate the synthesis of ammonia and organic precursors from common inorganic materials that occurred on early Earth. By milling for 0.5–64 h at centrifugal accelerations of 20–150 G, ammonia and acetic acid were produced from inorganic materials, such as iron nitride, nitrate, carbide, and carbonates, in water. The experimental results can offer waste processing of metallic acids by the mechanical method without using any alkaline sources and suggest that the high-energy milling technology provides a new synthesis mode to form wide ranges of organic materials and scope for broader applications. This study also offers a new route to the formation of the precursors on early Earth and proposes that tremors and friction initiate micro-impacts between rocks and sand in the terrestrial crust, resulting in the formation of ammonia and organic materials from inorganic materials.
Highlights
A mechano-chemical reaction formed by a simple high-energy ball milling was applied to simulate the synthesis of ammonia and organic precursors from common inorganic materials that occurred on early Earth
It is noted that all the reagents were inorganic materials and the total amount used in each experiment was much greater than that used in the gunshot experiment [1, 5]
These results indicate that waste processing of metal acids can be done by MeChem reactions without using any alkaline sources
Summary
A mechano-chemical reaction formed by a simple high-energy ball milling was applied to simulate the synthesis of ammonia and organic precursors from common inorganic materials that occurred on early Earth. The experimental results can offer waste processing of metallic acids by the mechanical method without using any alkaline sources and suggest that the high-energy milling technology provides a new synthesis mode to form wide ranges of organic materials and scope for broader applications. Under similar conditions for forming organic precursors, shock pressure of 6 GPa, temperature of 5000 K, and duration of 0.7 μs were reported [5] These shock wave conditions were much more severe compared to the mild conditions of the Haber-Bosch process (~700 K and ~30 MPa) containing catalysts such as iron and were unsuitable for the production of a wide range of organic materials. 1 Introduction process are assumed to be most suitable for producing local high-temperature and high-pressure condi-
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