化工工艺常用词汇（化工行业）词汇表

evaporator press filter high-speed stirrer filter absorber pipe relief valve diaphragm pump pill pneumatic cone double paddle dryer tank enamel stainless steel crystallization entrainment vessel reactor meter thermometer pH meter front cut patent boiling point melting point polymer tar density cubic meter liter volume ton kilogram weight freezing brine circulate ratio consumption yield treatment mother aqueous organic gaseous phase final suspension backflow residue solution mixture solvent granule flake crystal powder gas liquid solid intermediate raw material impurity content output input formula molecular weight structure product quantitative qualitative quality quantity batch flowchart process pH alkalinity acidity catalyst degree room temperature pressure vacuum vapor chlorine hydrogen compressed oxygen nitrogen air cyclohexane butanone acetone acetonitrile methanol ethanol dichloromethane xylene toluene water fluoride potassium potassium carbonate sodium sulfite sodium chloride ammonium hydroxide potassium hydroxide caustic soda hydrochloric acid nitric acid sulfuric acid inject vent crystallize dry rectification distillation azeotropic acid neutral extract filtrate centrifuge wash settle separate remove entrain sampling stir temperature cool warm to reuse recover drop release transfer add sulfonation oxidation dehydrogenation hydrogenation chlorination nitration fluorination esterification acidification synthetic cyclization chemical reaction