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Fig.1
Structure diagram of typical organic phosphorus extractants
Table 1
Comparison of main bond lengths of three acid extractants in dimers (Unit: nm)
[
Table 2
Comparison of the charge of three acid extractants at the main center of dimer (Unit: C)
[
Fig.2
Schematic diagram of combined forms of synergistic extraction of phosphorus extractants[
Fig.3
Neutral extractant and extraction electron orbit
Table 3
Energy comparison of three acid extractants and dimers
(Unit: kJ/mol)[
Table 4
Comparison of molecular frontier orbitals and energies of dimers of three acid extractants
(Unit: eV)[
Fig.4
Co-extraction of Zn
Fig.5
Co-extraction of Fe
Fig.1
Schematic diagram of a typical ethane furnace[
Fig.5
Metal oxygen intermediate[
Fig.6
Benzaldehyde as an oxy transfer promoter[
Fig.7
Halide ion stabilizes metal oxygen intermediate and catalyzes the carboxylation of epoxide[
Fig.8
The equilibrium between the structure of catalyst [C n C m Im][HCO3] and its derived carbene-CO2 (C n C m -CO2)[
Fig.9
Structure of catalyst[
Fig.10
Catalytic mechanism diagram[
Fig.11
Catalytic process of molybdenum acetylacetonate [MoO2(acac)2] and TBAB[
Table 1
Comparison of cracking furnace configuration
[
Table 3
Comparison of ethylene plant investment, cost and relative energy consumption with different cracking raw materials
[
Fig.2
Principle diagram of catalytic coke[
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