PAM Flocculant: he huahana kemika ikaika no ka mālama ʻana i ka wai ʻenehana

Polyacrylamide(PAM) he polymer synthetic hydrophilic i hoʻohana nui ʻia i nā kaʻina mālama wai. Hoʻohana mua ʻia ʻo ia ma ke ʻano he flocculant a me ka coagulant, kahi mea hana kemika e hoʻohui ai i nā ʻāpana i hoʻokuʻu ʻia i loko o ka wai i loko o nā flocs nui aʻe, a laila e kōkua ai i kā lākou wehe ʻana ma o ka wehewehe ʻana a i ʻole kānana. Ma muli o ka maikaʻi o ka wai ʻino, e hoʻohana i ka cationic, anionic, a i ʻole non-ionic PAM. Hāʻawi ʻo Polyacrylamide i nā pono he nui i ka mālama ʻana i ka wai, me kona pono ma luna o kahi ākea o ka pH, ka mahana, a me nā pae turbidity. Hiki ke ho'āʻo ʻia ka hopena coagulation me ka hoʻohana ʻana i nā hoʻokolohua Jar a i ʻole ke ana turbidity.

Hiki ke hoʻohana nui ʻia ka polyacrylamide i ka mālama ʻana i ka wai ʻoihana, ka hoʻomaʻamaʻa ʻana i ka wai, ka mālama ʻana i ka wai, a me nā mea ʻē aʻe. I ka wā o ke kaʻina hoʻomaʻamaʻa mua, hoʻohui ʻia i ka wai maka e hoʻoikaika i ka hoʻonā ʻana o nā mea paʻa i hoʻopaʻa ʻia, a laila hoʻoneʻe ʻia e ka sedimentation a i ʻole flotation. Ma ka wehewehe lua, hoʻohana ʻia ka polyacrylamide e hoʻomaʻamaʻa hou aku i ka wai i mālama ʻia ma o ka wehe ʻana i nā mea paʻa i hoʻokuʻu ʻia a me nā mea organik adsorbed.

ʻO ke kumu hana o kapolyacrylamide flocculantʻo ia: ma hope o ka hoʻohui ʻana i ka hopena PAM, hoʻopili ʻo PAM i nā ʻāpana, hana i nā alahaka ma waena o lākou. I loko o ka loko wai mua, pili ia i ka hana ʻana i nā flocs nui aʻe, a lilo ke kino wai i ka wai i kēia manawa. Ma hope o ka ulu ʻana o ka nui o nā flocs a mānoanoa, e neʻe lākou a hāʻule mālie i ka wā lōʻihi, a maopopo ka papa luna o ka wai maka. Hoʻomaikaʻi kēia kaʻina hoʻohui i nā ʻano hoʻonohonoho o nā ʻāpana, e maʻalahi iā lākou e wehe i ka wā o ka wehewehe ʻana a i ʻole kānana. Hoʻohana pinepine ʻia ka polyacrylamide me nā coagulants a me nā flocculants e hoʻokō i ka hoʻomaʻamaʻa maikaʻi a me ka hana kānana.

He kuleana koʻikoʻi ka polyacrylamide i ka kānana wai. Hoʻohana pinepine ʻia ma ke ʻano he kānana mua i nā kānana a i ʻole nā ​​​​ʻano kānana kino ʻē aʻe e hoʻoneʻe i nā mea paʻa a me ka turbidity. Ma ka hoʻomaikaʻi ʻana i ka wehe ʻana o kēia mau ʻāpana, kōkua ka polyacrylamide e hōʻoia i kahi kānana ʻoi aku ka maʻemaʻe.

ʻO ka polyacrylamide kahi polymer paʻa a ʻaʻohe mea ʻawaʻawa e wāwahi ʻia ma o nā kaʻina kūlohelohe a i ʻole nā ​​​​ʻano lapaʻau olaola. Pono e hoʻomaopopo ʻia ʻo ka hoʻoheheʻe ʻia ʻana e lilo ka papahele i mea pahee loa, a hiki ke hāʻule.

Eia nō naʻe, ʻo ka nui o ka PAM i hoʻohana ʻia ma muli o ke ʻano o ka wai ʻino a me ke ʻano o nā mea paʻa paʻa i hoʻokuʻu ʻia, a me ka loaʻa ʻana o nā kemika, nā waikawa, a me nā mea haumia i loko o ka wai. Hiki i kēia mau mea ke hoʻopili i ka hopena coagulation o PAM, no laila pono e hana ʻia nā hoʻololi kūpono i ka wā e hoʻohana ai. Pono e koho pono ʻia nā huahana PAM me nā kaupaona molekala like ʻole, nā degere ionic, a me nā ʻano no nā ʻano wai ʻino like ʻole.