Tikanga tono PAC/PAM

Pūhaumāota polyaluminium: Ko te PAC te whakarāpopototanga, e mōhiotia ana ko te konumohe pūhaumāota taketake, ko te konumohe pūhaumāota hydroxyl rānei.

Mātāpono: Mā te hua waikura o te polyaluminum chloride, te polyaluminum chloride rānei, ka tere te hanga o te maturuturunga colloidal i roto i te paru, i te paru rānei, he mea ngāwari ki te wehe i ngā matūriki nunui o te matūriki. Mahi: Ko te āhua me te mahi a te PAC e pā ana ki te kawakore, te tikanga whakarite, te hanganga poke me te ihirangi alumina.

1, ina kei roto i te awhe 40% ~ 60% te kawakore o te polyaluminum chloride wai parakore, ka waiho hei wai mārama kōwhai marama. Ina neke atu i te 60% te kawakore, ka huri haere hei wai mārama kore tae.

2, ina he iti iho i te 30% te kawakore, he karaihe te polyaluminum chloride totoka.

3, ina kei roto te kawakore i te awhe o te 30% ~ 60%, he rauemi colloidal.

4, ina nui ake te kawakore i te 60%, ka huri haere hei karāhe, hei kapia rānei. Ko te pūhaumāota polyaluminium totoka i hangaia mai i te bauxite, i te kohuke uku rānei he kōwhai, he parauri rānei.

Whakaahua hua

Whakarōpūtanga noa

22-24% te ihirangi: Te tukanga whakaputa whakamaroke i roto i te pahu, me te kore tātari pereti me te anga, he teitei ake te rauemi kore-wai, ko te utu mākete o nāianei o ngā hua ahumahi, e whakamahia ana mō te maimoatanga waipara ahumahi.

26% te ihirangi: I roto i te tukanga whakaputa whakamaroke i roto i te pahu, kāore he tātari pereti me te anga, he iti iho i te 22-24% te rauemi kore-rewa i te wai, ko tēnei hua te paerewa ā-motu o te taumata ahumahi, he paku teitei ake te utu, ā, e whakamahia ana i roto i te maimoatanga waipara ahumahi.

28% te ihirangi: E rua ngā momo tukanga o tēnei tukanga: te whakamaroke i te pahu me te whakamaroke rehu. He tātari wai mā te anga pereti, he iti te wai e rewa ana i te wai i ngā tuatahi e rua. Nō ngā hua kounga teitei PAC, ka taea te whakamahi mō te maimoatanga paru iti te turbidity me te maimoatanga mua o te tipu wai tap.

30% te ihirangi: E rua ngā momo whakamaroke pahu me te whakamaroke rehu. Ko te tātari wai whaea mā te anga pereti, he hua PAC kounga teitei, e whakamahia ana i roto i te tipu wai tap, ā, he iti te pōuri o te maimoatanga wai o te whare.

32% te ihirangi: He mea hanga tēnei mā te whakamaroke rehu, he rerekē i ētahi atu hua, he mā te āhua o tēnei PAC, he polyaluminum chloride kore-ferrous he parakore teitei, e whakamahia ana i te nuinga o te wā i roto i te umanga matū pai me te hanga whakapaipai, ā, no te kai kounga.

Polyacrylamide: e kiia nei ko te PA M, e mōhiotia whānuitia ana ko te flocculant, te coagulant rānei

Mātāpono: Mā te mekameka ngota PAM me te wāhanga marara ka puta he momo pānga ā-pūkaha, ā-tinana, ā-matū me ētahi atu pānga, ka honoa te wāhanga marara, ka hanga he whatunga, ka whakarei ake i te mahi.

Mahi: He paura ma te PAM, he wairewa ki te wai, tata kore e wairewa ki te benzene, te ether, ngā lipid, te acetone me ētahi atu whakarewa rauropi whānui, he wai mārama te otinga wai polyacrylamide, he taonga kore-morearea, kore-paitini, kore-waikura, he PAM totoka te hygroscopicity, ka piki ake te hygroscopicity me te pikinga o te tohu ionic.

Whakaahua hua

Whakarōpūtanga noa

E ai ki ōna āhuatanga o te rōpū wetewete, ka wehea te PAM ki te polyacrylamide anionic, te polyacrylamide cationic me te polyacrylamide kore-ionic. Polyacrylamide ionic.

PAM Kationika: paru whakahohe i hangaia mā te tikanga matū koiora

PAM Anionic: he pai ake te pānga o ngā waipara me ngā paru whai utu pai, pērā i te whare maitai, te whare whakakikorua hiko, te mahi whakarewa, te horoi waro, te tango puehu me ētahi atu waipara.

PAM Kore-ionic: he pai te pānga o te cationic me te anionic, engari he tino utu nui te utu mō ia wae, kāore i te whakamahia whānuitia

I tāpirihia ngā mea e rua ki ngā tohutohu whakamahi

He aha te flocculation? Whai muri i te tāpiri i te matū whakapūmau ki te wai mata, me te whakaranu katoa ki te wai, ka ngaro te pumau o te nuinga o ngā poke colloid i roto i te wai, ā, ka tukinga, ka whakapūmau ngā matūriki colloid kore pumau ki a rātou anō i roto i te puna flocculation, kātahi ka hanga i te floc ka taea te tango mā te tikanga precipitation.

Ngā āhuatanga awe o te flocculation

Ko te tukanga tipu o te floc ko te tukanga o te pa atu me te tukinga o ngā matūriki iti.

Ko te kounga o te pānga o te flocculation e whakawhirinaki ana ki ngā āhuatanga e rua e whai ake nei:

1 te kaha o ngā matatini polymer i hangaia e te wai whakapūkara ki te hanga i te piriti anga adsorption, e whakatauhia ana e ngā āhuatanga o ngā whakapūkara

2 te tūponotanga o te tukinga o ngā matūriki iti me pēhea te whakahaere i a rātou kia tika ai te tukinga me te whai hua. E whakapono ana ngā kaupapa hangarau maimoatanga wai, kia piki ake ai te tūponotanga o te tukinga, me whakanui ake te tere o te rere, me whakanui ake hoki te kaha e pau ana i te tinana wai mā te whakanui ake i te tere o te rere, arā, te whakanui ake i te tere o te rere o te puna flocculation (tāpiri: ki te kohikohi ngā matūriki, ā, ka tere rawa te tipu i roto i te flocculation, ka whakangaromia. E rua ngā raruraru: 1. Ki te tere rawa te tipu o te floc, ka ngoikore tōna kaha, i roto i te tukanga rere ka tūtaki ki te kutikuti kaha ka tapahia te piriti anga adsorption, ka uaua te haere tonu o te piriti anga adsorption kua tapahia, nō reira he tukanga iti hoki te tukanga flocculation, me te tipu o te floc, me whakaiti te tere o te rere, kia kore ai e ngawari te pakaru o te floc kua hangaia; 2. Ki te tere rawa te tipu o ētahi floc, ka tino whakaitihia te horahanga mata o te floc wai, kāore ētahi tauhohenga i te tino pai o ngā matūriki iti, ka ngaro ngā āhuatanga tauhohenga, ka tino whakaitihia te tūponotanga o te tukinga o ēnei matūriki iti me ngā matūriki nui, ka uaua ki te tipu anō, kāore e taea e ēnei matūriki te pupuri i te tāke whakatō, engari he mea anō hoki. he uaua ki te pupuri mō te tātari.)

Tāpirihia ngā whakaritenga

I te tīmatanga o te tauhohenga o te tāpiri i te matū whakakōkī, me whakanui ake te tūponotanga o te pā ki te wai para, me te whakanui ake i te tere o te whakaranu, te rere rānei. I runga i te tukinga o te rere o te wai me te pereti whakapiko me te rere o te wai i waenga i te pereti whakapiko hei whakanui ake i te tere, kia piki ake ai te tūponotanga o te tukinga o ngā matūriki wai, kia puta ai te haukū o te wai. Ā, ki te tauhohenga whakamutunga, kia iti ake ai te pikinga o te tere, kia pai ake ai te rere o te wai, te pānga o te ua.

Te tāpiri taputapu: ipu rongoā, tāke rokiroki rongoā, mīhini whakaoho inenga, papu inenga me ngā taputapu ine. Kua rite ki te whakamahi i ngā tikanga

PAC, te kukū tohatoha PAM (ka tangohia mai i te putea takai rongoā ka tāpirihia ki te tāke whakarewa) PAC me te kukū tohatoha PAM E ai ki te wheako: Ko te kukū puna whakarewa PAC he 5%-10%, ko te kukū PAM he 0.1%-0.3%, ko ngā raraunga o runga ake nei he rite ki te kounga, arā, ko ia wai pūtoru PAC 50-100kg, PAM 1-3kg. He teitei rawa tēnei kukū, he iti te kaha whakarewa PAM, me whakaoho katoa me te whakaoho tere reo kia memeha katoa. I te raumati, ka taea te whakanui ake i te kukū whakarewa PAM ki te 0.3-0.5%. Tangohia te kukū whakarewa PAC o te 10%, te kukū whakarewa PAM o te 0.5%, kātahi ka 100kg ia wai pūtoru rewa PAC, PAM5kg, whakatikatikahia te rere o te papu mita rere diaphragm, kia rite ki te tatau 1 mita pūtoru /24 hāora, arā, Q = 42 rita / hāora, ka taea te whakatutuki i te pānga flocculation maimoatanga paru pai. PAC, te horopeta o te kaihoko maimoatanga paru PAM (ka rewa ki te wai taketake) Ko te horopeta o te kaihoko maimoatanga paru ko te PAC 50-100ppm, PAM 2-5ppm, ko te waeine ppm he kotahi miriona, no reira ka hurihia hei 50-100 karamu o te PAC mo ia tana o te paru, 2-5 karamu o te PAM, e taunakihia ana kia rite ki tenei whakamātautau horopeta. Mena ko te kaha maimoatanga paru o ia ra he 2000 mita pūtoru, ko te kukū horopeta PAC e ai ki te 50ppm, ko te kukū horopeta PAM e ai ki te tātaitanga 2ppm, ko te horopeta PAC o ia ra he 100kg, ko te horopeta PAM he 4kg. Ka tatauhia te horopeta i runga ake nei e ai ki te wheako whānui, me hangai te horopeta motuhake me te kukū horopeta ki te whakamātautau motuhake o te kounga wai. Tātaihia te uara kua whakaritea i roto i te mita rere papu horopeta.

I muri i te tāpiri i te matū ki te paru, ki te wai para rānei, me whakaranu pai. Ko te wā whakaranu he 10-30 hēkona te roa, ā, kāore e neke atu i te 2 meneti te roa. He hononga pai te horopeta motuhake o te matū me te kukū o ngā matūriki colloidal, ngā totoka i whakatārewatia i roto i te paru, i te wai para rānei, te āhua me ngā taputapu maimoatanga, ā, ki ētahi, ko te horopeta maimoatanga paru ka whiwhihia mā te maha o ngā whakamātautau. E ai ki te kukū horopeta pai rawa atu (ppm1 hei tāpiri kukū) me te rere wai (t/h) me te whirihoranga o te kukū otinga (kukū whakarite ppm2), ka taea te tatau i runga i te uara whakaatu mita rere papu inenga (LPM). Ko te uara whakaatu o te mita rere papu inenga (LPM) = rere wai (t/h)/60×PPM1 hei tāpiri kukū /kukū whakarite PPM2.

Kia mōhio: ko te ppm te kotahi miriona; ko ngā waeine uara mita rere papu inenga, ko te LPM te rita/meneti; ko te GPM te karani/meneti