Abstract
A novel catalyst based on g-C3N4/activated carbon was prepared by adding CuCl2. The catalytic performance of the as-prepared catalyst was investigated in the acetylene hydrochlorination reaction. X-ray photoelectron spectroscopy, temperature programmed desorption, low temperature N2 adsorption/desorption (Brunauer–Emmett–Teller), and thermal gravity analysis showed that Cu-g-C3N4/AC significantly enhanced the catalytic performance of the original catalyst by increasing the relative pyrrolic N content. Cu-g-C3N4/AC also affected the adsorption of hydrogen chloride and acetylene, as well as inhibited the coke deposition during acetylene hydrochlorination.
Highlights
The use of plastic products is increasing to date
Dai et al [8] searched for a graphitic carbon nitride catalyst (g-C3 N4 /activated carbon (AC)), their study revealed that the nitrogen atom of the g-C3 N4 /AC catalyst is the active site for the hydrogen chloride (HCl); the prepared g-C3 N4 /AC catalyst displayed considerable catalytic performance
As a carrier of acetylene hydrochlorination reaction, AC exhibited an initial activity of up to 45%, which declined to 20% after 450 min of reaction (Figure 1a)
Summary
The use of plastic products is increasing to date. Polyvinyl chloride (PVC) has become the second most frequently used general plastic worldwide. Mercuric chloride (HgCl2 ) supported on activated carbon (AC) is used as the catalyst in the current industrial production process. Dai et al [8] searched for a graphitic carbon nitride catalyst (g-C3 N4 /AC), their study revealed that the nitrogen atom of the g-C3 N4 /AC catalyst is the active site for the HCl; the prepared g-C3 N4 /AC catalyst displayed considerable catalytic performance. This catalyst rapidly deactivates given its poor stability. Characterization confirmed the success of material preparation; the test results showed that the catalyst possessed good catalytic activity, thereby promoting further research on experimental and theoretical references
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