Kev Txheeb Xyuas Txog Kev Lag Luam
Lub khw muag khoom phthalic anhydride feem ntau kaw nrog tus nqi ruaj khov tab sis me ntsis poob qis hauv kev lag luam zaum kawg. Sab saud, tus nqi ntawm cov khoom siv raw orthoxylene tseem ruaj khov, thaum tus nqi naphthalene kev lag luam qhia tias me ntsis tsis muaj zog. Kev txhawb nqa tag nrho ntawm tus nqi yog nruab nrab. Cov neeg yuav khoom hauv qab tau qhia tias txo qis kev txaus siab rau kev yuav khoom, ua rau muaj kev lag luam tsis muaj zog.
Cov Yam Tseem Ceeb Uas Cuam Tshuam Rau Kev Hloov Pauv Tus Nqi Tam Sim No
* **Tus nqi:** Tus nqi rau cov khoom siv raw tseem ceeb, orthoxylene, tseem ruaj khov, thaum lub lag luam naphthalene kev lag luam ua haujlwm ruaj khov mus rau qhov tsis muaj zog. Qhov no ua rau feem ntau muaj kev txhawb nqa sab nqi nruab nrab rau kev tsim phthalic anhydride.
* **Kev Muab Khoom:** Cov theem kev muab khoom tseem tsis tau hloov pauv ntau. Thaum qee lub chaw tsim khoom tau kho raws sijhawm, lwm lub chaw uas tau nres ua haujlwm lawm tau rov qab ua haujlwm.
* **Kev Xav Tau:** Cov xwm txheej ntawm sab kev xav tau tau mos dua. Cov nqi ua haujlwm ntawm cov lag luam downstream tau ruaj khov mus rau qis me ntsis, thiab kev txaus siab yuav khoom hauv kev ua lag luam feem ntau tsis txias.
**Kev Lag Luam Saib Ua Ntej**
Kev ua lag luam phthalic anhydride yuav pom (tsis tshua muaj zog/tsis muaj zog) hauv lub sijhawm luv luv. Tus nqi ntawm orthoxylene yuav tseem ruaj khov, thaum tus nqi naphthalene kev lag luam yuav txuas ntxiv mus rau lawv qhov sib txawv ruaj khov-rau-tsis muaj zog, tswj hwm qhov kev nyuaj siab ntawm tus nqi nruab nrab. Nrog rau tus nqi ua haujlwm ntawm qee qhov kev lag luam qis dua uas yuav txo qis thiab kev txaus siab yuav khoom yuav tseem tsawg, kev ua lag luam yuav tseem (tsis muaj zog). Yog li ntawd, tus nqi phthalic anhydride yuav raug kwv yees tias yuav ua lag luam hauv txoj kev (tsis tshua muaj zog/tsis muaj zog).
Lub sijhawm tshaj tawm: Lub Ob Hlis-05-2026