Owu a nụchara anụcha—mmepe—alkalizing—etherifying—neutralizing — nkewapụ—ịsacha—ikewapụ, ihicha—ịkpụcha—ịkwakọ—emecha oghere owu: a na-emeghe owu a nụchara anụcha iji wepụ ígwè, wee kụrie ya. The pulverized nụchara anụcha owu bụ n'ụdị ntụ ntụ, na urughuru size bụ 80 ntupu na transmittance bụ 100%. Ma ọ bụghị ya, ọ dị mfe ịgbakọ ọnụ n'oge usoro mmeghachi omume ma belata arụmọrụ etherification.
Alkalization: Tinye ntụ ntụ a nụchara anụcha mgbe ị meghere n'ime ihe mgbaze inert, ma mee ya na alkali na mmiri dị nro iji zaa lattice nke owu a nụchara anụcha, nke na-eme ka ntinye nke ụmụ irighiri ihe na-emepụta ihe, na-eme ka ọdịdị nke mmeghachi omume etherification dịkwuo mma. . The alkali eji na alkalization bụ a metal hydroxide ma ọ bụ ihe organic base. Ọnụ ego nke alkali agbakwunyere (site na uka, otu n'okpuru) bụ 0.1-0.6 ugboro nke owu a nụchara anụcha, na mmiri dị nro bụ 0.3-1.0 ugboro nke owu a nụchara anụcha; ihe mgbaze inert bụ ngwakọta nke mmanya na-aba n'anya na hydrocarbon, na ọnụọgụ nke inert ihe mgbaze agbakwunyere bụ owu a nụchara anụcha. 7-15 ugboro: ihe mgbaze inert nwekwara ike ịbụ mmanya nwere 3-5 carbon atom (dị ka mmanya, propanol), acetone. Ọ nwekwara ike ịbụ aliphatic hydrocarbons na aromatic hydrocarbons; Ekwesịrị ịchịkwa okpomọkụ n'ime 0-35 ° C n'oge alkalization; oge alkalization bụ ihe dịka 1hr. Enwere ike ikpebi ngbanwe nke okpomọkụ na oge dịka ihe achọrọ nke ihe na ngwaahịa.
Etherification: Mgbe ọgwụgwọ alkalization gasịrị, n'okpuru ọnọdụ oghere, a na-eme etherification site n'ịgbakwunye onye na-emepụta ihe na-emepụta ihe, na onye na-emepụta ihe bụ propylene oxide. Iji belata oriri nke onye na-emepụta ihe na-emepụta ihe, na usoro etherification, a na-agbakwunye onye na-emepụta ihe n'ime oge abụọ, ọnụ ọgụgụ nke ntinye nke mbụ bụ 1-3.5 ugboro nke owu a nụchara anụcha, na ngụkọta nke ihe mgbakwunye abụọ ahụ. bụ 1.5-4 ugboro karịa owu a nụchara anụcha. ugboro. Mgbe ị gbakwunyere onye na-ahụ maka etherifying maka oge mbụ, kpalie na okpomọkụ nke ≤30 ° C maka 45min-90min, wee kpoo ruo 50-100 ° C maka etherification, oge ahụ bụ 1-5h, wee kpoo ruo ≤30. Celsius C , Tinye etherified Jing maka oge nke abụọ ma kpalie, oge na-akpali akpali bụ 30-120min, wee kpoo ọkụ ruo ? ? ? Mezue etherification, oge bụ 1-4h, n'oge a, a nụchara anụcha owu na etherifying gị n'ụlọnga meghachi omume n'ụzọ zuru ezu n'ịwa H-HPC.
Pulverization na nkwakọ ngwaahịa: a na-egwepịa ngwaahịa a mịrị amị nke ihe a rụpụtara ugbu a ma sie ya. Nha urughuru ngwaahịa a pịrị apị na sieved nke emepụtara ugbu a bụ ntupu 40 yana nnyefe bụ 10096, ma ọ bụ dịka mkpa onye ọrụ siri dị. Mgbe ahụ bupụ ya na ụlọ ọrụ mmepụta ihe.
Oge nzipu: Ọktoba 13-2022