Hoʻohana nui ʻia ʻo Poroyal porous filter media a me nā mea i loko o nā wahi ʻoihana e like me ka petrochemical, ka aila i waiho ʻia, ka mālama wai, kemika, nā lāʻau lapaʻau, nā meaʻai a me nā mea inu, nā lāʻau lapaʻau, ka lawe ʻana i ka vacuum, aeration a me nā mea he nui.
• Hoʻokaʻawale kinoea
• Hoʻokaʻawale wai-paʻa
• ka hoʻokaʻawale a me ka hoʻihoʻi hou
• Mea hoʻomaʻemaʻe
• Sparging
• Ka lawe ʻana i ka momi no nā pauka
• Ka kānana kea
• Hoʻoheheʻe wai
• Ka nānā 'ana i ke kinoea
• ka kānana hana: hoʻopaʻa paʻa iā ia iho, hoʻokuʻu, hoʻomāmā, etc.