Mgbochi dewatering - polyacrylamide

The ejikarị mmiri ọcha flocculant maka nsị desliming bụ polyacrylamide, na sludge dewatering bụkwa a isi nzọụkwụ ke nsị ọgwụgwọusoro. Mgbe agbakwunye polyacrylamide na sludge maka nhazi, mmiri nke mmiri achicha na-aga n'ihu na-ebelata. Nke a bụ n'ihi na polypropylene Amide nwere mmetụta nke adsorption na àkwà mmiri, nke nwere ike ime ka sludge ahụ na-etolite flocs ngwa ngwa, yana ọ nwekwara mmetụta akpịrị ịkpọ nkụ, nke nwere ike ịgbanwe hydrophilic colloids n'ime colloids hydrophobic, na-eme ka ha ghara ịmịkọrọ mmiri na n'ikpeazụ mechaa. Mgbe onunu ogwu nke polyacrylamide pere mpe, ihe na-adota adighi nma, na nsonaazụ nke flocculation na akpịrị ịkpọ nkụ adịghị mma. Agbanyeghị, oke polyacrylamide ga - eme ka ogologo ogologo ghara inwe ike ịbawanye n'ihi oke oke, na mmetụta akpịrị ịkpọ nkụ ga-ada mbà.

Njirimara nke sludge: a na-ekewa usoro sludge floc a ga-ekewa ya na akwa ozo na akwa di n'ime; akwa nke floc na-agụnye akwa mkpuchi a na-akwụsịtụ, akwa viscous, na akwa EPS nwere agbụ n'efu; akwa dị n’ime nke floc gụnyere akwa EPS na pellets siri ike, na Protein bụ isi ihe dị n’ime sludge ọ bụla; mgbe elu nke flocs na-agbada, ọ nwere ike ịkwalite mmụba nke arụmọrụ dewatering nke sludge. Ka usoro onunu ogwu na abawanye, protein protin na-abawanye. Ọ na-egosi na mgbe mgbakwunye, floc Ọdịdị nke sludge agbanweela, na edozi arụmọrụ nke sludge nwekwara e nọgidere na-abawanye. Ngwurugwu irighiri ahihia jiri nwayọ na-ebuwanye ibu, na akwa mkpuchi na akwa mkpuchi nwere akara nkewa doro anya. Nke a bụ ọnọdụ ọnọdụ mgbe etinyere polyacrylamide na mkpofu obodo. Mgbe polyacrylamide onunu ogwu kariri onu ogugu, sludge A na-ebelata uto uto nke mbu. Nnukwu ma ọ bụ obere flocculant ga-emetụta kpọmkwem mgbochi nke sludge. Ọ bụghị na nnukwu mmụba nke polyacrylamide, ka mma. Anyị aghaghị ịchọpụta mmụba nke polyacrylamide dabere na ọnọdụ ahụ n'ezie. Omume egosila na sludge sedimentation ọsọ dị iche mgbe mpụga okpomọkụ dị iche. N'otu oge ahụ, ka elu nke okpomọkụ ahụ dị elu, ngwa ngwa ngwa ngwa sludge sedimentation. Agbanyeghị, mmepụta injinia bara uru chọrọ ijikọ uru akụ na ụba, ọnọdụ okpomọkụ dị oke elu, ike oriri buru oke ibu, enweghị ike ịbawanye uru ya.

anionic polyacrylamide                https://www.oubochem.com/news/the-correct-way-to-choose-polyacrylamide-pam-model

Na nso site na 100r / min na 200r / min, ka ọsọ na-abawanye, mpịakọta sedimenti nke sludge mgbe ihe niile dị obere; mgbe 200r / min, sedimenti olu nke sludge na-abawanye na mbụ. Mgbe agwakọta agwakọta bụ 150r / min, mmiri ọdịnaya nke sludge bụ nke kasị ala, na akpịrị ịkpọ nkụ mmetụta doro anya.

Mgbe ọtụtụ oge nke omume, a nwapụtawo na ọnụego sedimenti nke sludge ga-adị iche n'okpuru ọnọdụ dị iche iche nke uru PH. Mgbe mmiri nsị pH bụ 5, sludge sedimentation ọsọ bụ ndị kasị. Ihe pH uru ga-emetụtakwa ọsọ sedimentation nke sludge. N'agbanyeghị ma uru pH dị obere ma ọ bụ buru oke ibu, a ga-agbanwe pH uru nke nsị dịka omume anyị. Ọrụ dewatering nke sludge a gwọrọ n'okpuru ọnọdụ acidic dị mma karịa nke dị n'okpuru ọnọdụ alkaline.


Post oge: Mee-31-2021
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