Ebisara na 2018-03-21The ojiji nke dacromet mkpuchi, ọtụtụ ụlọ ọrụ 'ọkọlọtọ ntupu eriri ọkụ heaters na-achịkwa preheat mpaghara okpomọkụ 80 ~ 120 ℃. Isi nzube nke a kpo oku bụ evaporate mmiri na mkpuchi na-enweghị esi, n'otu oge ahụ, ọ na-na-na-eso ya. site na usoro kemịkalụ nke mbelata chromium hexavalent site na mmanya.
Usoro maka mkpebi a bụ ngwakọta nke dị ọcha Dacromet B (aqueous chromic anhydride) na polyethylene glycol reductant na nha.A na-asa mkpuchi ahụ na slide iko wee kpoo ọkụ na 120 Celsius maka nkeji 15.A na-ekpochapụ mmiri ahụ na ihe fọdụrụnụ bụ ihe nkiri mmiri na-acha akwụkwọ ndụ akwụkwọ ndụ gbara ọchịchịrị.
Ọ bụrụ na mpempe ule na-ekpo ọkụ na nkeji 120, agba nke mkpuchi na-acha akwụkwọ ndụ akwụkwọ ndụ, na mkpuchi na-esi ike, ma enwere ike ịsacha ya na mmiri.N'ụzọ doro anya, ọ gaghị ekwe omume iji kpo oku ogologo oge na 120 Celsius iji rụọ ọrụ mkpuchi nke Dacromet.
Oge nzipu: Jan-13-2022