Flocculation - aluminom sulphate vs poly aluminom chloride

Flofculation bụ usoro nke na-adịghị mma boro ebubo na-adịghị mma na-akwụ ụgwọ na nkwụsi ike na mmiri na-ebelata. A na-enweta nke a site na ịgbakwunye ụgwọ ọrụ dị mma nke ọma. Ikike dị mma na coagulant na -eche na-adịghị mma na mmiri (ya na-ebi ndụ ya). Ozugbo ahụ ka a na-agababilized ma ọ bụ na-anọpụ iche, usoro flocculation mere. Ebe a na-ahụkarị na-ejikọ ya na ngwakọ buru ibu ruo mgbe ha tozuru oke iji dozie site na nrara ma ọ bụ buru ibu iji na-anyụ mmiri na-ese.

Taa, anyị ga-eleba anya na ngwongwo nke flocculations nke flocculants abụọ na-ahụkarị: poly aluminom chloride na akwara aluminom.

Aluminom sulfate: Aluminom sulfate bu acidic na okike. Iwu ọrụ nke aluminom sulfate dị ka ndị a: aluminom sulfate na-emepụta aluminom hydroxide, al (0h) 3. Alumdrodedes hydropides nwere oke py apple, nke ha agaghị eme nke ọma hydroxides alledzerated allual na elu 8.5), yabụ iji nlezianya na-achịkwa ya na oke nke 5.8-8.5. Alkalianitity na mmiri ga-ezuru nke ọma n'oge usoro flococlation usoro iji hụ na a na-ahụkarị hydroxide hydroxide zuru oke ma sie ike. Na-ewepu agba na ihe mgbochi colloidal site na nchikota nke Adsorption na hydrolysis dị na / n'ime ọla hydroxides. Ya mere, windo arụmọrụ nke aluminom sulfate bụ nke ahụ 5.8-8.5, yabụ na ọ dị ezigbo mkpa iji hụ na ijikwa ezigbo sulfate sulfate.

Polyaluminum chloride(PAC) bụ otu n'ime mmiri mmiri na-a na-eji ọgwụ eme ihe taa. A na-ejikarị ya na mmiri ọ drinkingụ drinkingụ na mmiri ọ drinkingụbiga mmanya ókè n'ihi ogo dị elu ya na ogo kachasị dị elu nke plọgị na-esiri ya ike. Pac dị n'ọtụtụ akara ule dị iche iche na alumina ingers sitere na 28% ruo 30%. Nchọpụta alumina abụghị naanị echiche mgbe ị na-ahọrọ ọkwa nke pac iji.

Enwere ike ịtụle pac dị ka ihe a na-eme pre-hydysis. Agụụ aluminolysis nke ọma nwere oke ụgwọ dị oke mma, nke na-eme pac karịa nke ọma karịa Alum.Making ya dị ike maka ebubo na-adịghị mma na mmiri.

Pac nwere uru ndị na-esonụ na aluminom sulfate

1. Ọ na-arụ ọrụ na obere ihe dị ukwuu. Dị ka iwu nke isi mkpịsị aka ukwu, pac dose bụ ihe dị ka otu ụzọ n'ụzọ atọ nke a chọrọ maka alum.

2. Ọ na-ahapụ aluminom na mmiri a na-emeso

3. Ọ na-amịpụta obere sludge

4. Ọ na-arụ ọrụ karịa

E nwere ọtụtụ ụdị flocculents, na isiokwu a na-ewebata mmadụ abụọ. Mgbe ị na-ahọrọ ibi ndụ, ị kwesịrị ịtụle ogo mmiri ị na-eme na mmefu ego nke gị. Atụrụ m anya na ị nwere ọmarịcha ahụmịhe ọgwụgwọ mmiri. Ka mmiri na-a withuruo kemịkalụ nwere ahụmịhe afọ 28. Obi dị m ụtọ idozi nsogbu gị niile (banyere mmiri ọgwụ na-agwọ ọrịa).