Catalog of Green Processes in the Petrochemical Industry (2019 Edition)

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“Catalog of Green Petrochemical Processes (2019 Edition)”
1. Semi-hydrate-dihydrate method/semi-hydrate wet phosphoric acid process
2. Production process for amide herbicides using the methylene method/production process for imidazolinone-type herbicides using the ester method
3. Process for synthesizing sodium trichloropyridinol via directed chlorination of pyridine
4. Production of 2-chloro-5-chloromethylpyridine through cyclocondensation without phosphorus/chlorination using the morpholine propionaldehyde method
5. Propylene oxide production via direct oxidation method/propylene oxide production via co-oxidation method
6. Epichlorohydrin production using the glycerol method
7. Production of chlorobenzene/p-dichlorobenzene/1,2,4-trichlorobenzene via dry hydrogen chloride removal method
8. Production of o-dichlorobenzene/2,4-dichlorobenzene via directed chlorination of benzene followed by adsorption separation
9. Production process for methyl allyl alcohol/methyl acrylate via oxidation of isobutylene/tert-butanol
10. Process for producing caprolactam via gas-phase rearrangement of oximes
11. Production process for yellow phosphorus with fully enclosed high-pressure water quenching and treatment of phosphorus sludge without secondary pollution
12. Process for producing dichromates via alkaline dissolution and oxidation of ferrochrome/process for producing chromic anhydride via ion-exchange membrane electrolysis
13. Production processes for potassium permanganate/chromium salts via continuous liquid-phase oxidation in a pneumatic fluidized tower
14. Production process for anhydrous aluminum fluoride
15. Processes for producing sodium sulfide via converter roasting, leaching in a thermalization tower, and columnar distillation/production of sodium sulfide via thin-film evaporation
16. Continuous process technology for highly heat-stable insoluble sulfur
17. Production process for titanium dioxide via chlorination method
18. Production of polyvinyl chloride/vinyl acetate via mercury-free methods (ethylene method/mercury-free calcium carbide method)
19. Microchannel automated production process
20. Continuous dry sodium percarbonate production process
21. Production process for chlorinated polymers via gas-solid phase method
22. Production of 2,4-dichlorophenoxyacetic acid (2,4-D) via anhydrous catalytic chlorination method
23. Process for synthesizing the antioxidant 6PPD from p-phenylenediamine via precious metal-catalyzed hydrogenation