ʻO kahi haʻawina no kahi hale hoʻoheheʻe wai ma kahi ʻāpana o Xiʻan, Shaanxi Province

II. ʻenehana kaʻina hana a me nā maʻamau effluent
Hoʻohana ka hale hana i nā ʻenehana hoʻōla wai ʻino, me ka hoʻohana nui ʻana i ka Sequencing Batch Reactor (SBR) activated sludge process. Hāʻawi kēia ʻano hana i ka pono lapaʻau kiʻekiʻe, hiki ke maʻalahi i ka hana, a me ka hoʻohana haʻahaʻa o ka ikehu, hiki ke hoʻoneʻe maikaʻi i nā mea organik, nitrogen, phosphorus, a me nā mea haumia ʻē aʻe. Hoʻokō ʻia ka effluent i mālama ʻia me nā koi o ka Papa A i kuhikuhi ʻia ma ka "Discharge Standard of Pollutants for Municipal Wastewater Treatment Plants" (GB18918-2002). ʻO ka wai i hoʻokuʻu ʻia he maʻemaʻe, ʻaʻala ʻole, a hoʻokō i nā koina kaiapuni a pau, e ʻae ana i ka hoʻokuʻu pololei ʻana i loko o nā kino wai maoli a i ʻole hoʻohana hou ʻia no ka hoʻolālā ʻāina kūlanakauhale a me nā hiʻohiʻona wai nani.

III. Nā Pōmaikaʻi Kaiapuni a me nā Haʻawina Social
Ua hoʻomaikaʻi maikaʻi loa ka hana ʻana o kēia hale hana wai ʻino i ke kaiapuni wai kūlanakauhale ma Xiʻan. He kuleana koʻikoʻi ia i ka hoʻomalu ʻana i ka pollution, mālama i ka maikaʻi o ka wai o ke kahawai kahawai kūloko, a me ka mālama ʻana i ke kaulike kaiaola. Ma ka mālama pono ʻana i ka wai ʻino o ke kūlanakauhale, ua hōʻemi ka hale i ka hoʻohaumia ʻana o nā muliwai a me nā loko, hoʻomaikaʻi i nā wahi kai wai, a kōkua i ka hoʻihoʻi ʻana i ka kaiaola. Eia kekahi, ua hoʻomaikaʻi ka mea kanu i ke ʻano hoʻokele waiwai holoʻokoʻa o ke kūlanakauhale, e huki ana i nā ʻoihana hou a kākoʻo i ka hoʻomohala hoʻokele waiwai kūloko.