Mwala wophulika (womwe umadziwika kuti pumice kapena porous basalt) ndi chinthu chothandiza komanso chogwirizana ndi chilengedwe, chomwe ndi mwala wamtengo wapatali wopangidwa ndi magalasi ophulika, mchere, ndi thovu pambuyo pa kuphulika kwa chiphalaphala.Mwala wophulika uli ndi mchere wambiri komanso kufufuza zinthu monga sodium, magnesium, aluminium, silicon, calcium, titaniyamu, manganese, chitsulo, nickel, cobalt, ndi molybdenum.Ndiwopanda kuwala ndipo ili ndi mafunde akutali a infrared magnetic.Pambuyo pa kuphulika kwa chiphalaphala chopanda chifundo, pambuyo pa zaka masauzande ambiri, Anthu akupeza phindu lake.Tsopano yakulitsa minda yake yogwiritsira ntchito ku minda monga zomangamanga, zosungira madzi, kugaya, zosefera, makala amoto, kukongoletsa malo, kulima popanda dothi, ndi zinthu zokongoletsera, zomwe zimagwira ntchito yosasinthika m'mafakitale osiyanasiyana.Makhalidwe a volcanic pumice (basalt) ndi mawonekedwe a volcanic rock biological filter materials.

Maonekedwe ndi mawonekedwe: Palibe tinthu tating'onoting'ono tating'ono tating'ono, kukana kutsika kwamadzi, kosavuta kutsekereza, madzi ndi mpweya wogawanika mofanana, pamwamba pake, filimu yofulumira yolendewera, komanso kuchepa kwa filimu yowonongeka mobwerezabwereza.

Porosity: Mwala wa mapiri ndi ma cell komanso porous, zomwe zimawapangitsa kukhala malo abwino kwambiri okulirapo m'magulu ang'onoang'ono.

Mphamvu zamakina: Malinga ndi dipatimenti yoyang'anira zaubwino wa dziko, ndi 5.08Mpa, yomwe yatsimikiziridwa kuti imapirira kumeta ubweya wamagetsi amphamvu zosiyanasiyana ndipo imakhala ndi moyo wautali wautumiki kuposa zida zina zosefera.

Kachulukidwe: Kachulukidwe kakang'ono, kosavuta kuyimitsa pakutsuka msana popanda kutayikira, komwe kumatha kupulumutsa mphamvu ndikuchepetsa kugwiritsa ntchito.

Kukhazikika kwa biochemical: Zida zosefera pamiyala ya Volcanic ndizosachita dzimbiri, zoziziritsa kukhosi, ndipo sizitenga nawo gawo pamachitidwe a biochemical a biofilms m'chilengedwe.

Magetsi apamtunda ndi hydrophilicity: Pamwamba pa miyala ya volcanic biofilter imakhala ndi mtengo wabwino, womwe umathandizira kukula kosasunthika kwa tizilombo tating'onoting'ono.Ili ndi hydrophilicity yamphamvu, kuchuluka kwa biofilm yolumikizidwa, komanso kuthamanga kwachangu.

Pankhani yakukhudzidwa ndi zochitika za biofilm: Monga chonyamulira cha biofilm, nyimbo zamtundu wa volcanic rock biofilter ndizopanda vuto ndipo zilibe choletsa pa tizilombo tokhazikika, ndipo mchitidwe watsimikizira kuti sizikhudza ntchito za tizilombo tating'onoting'ono.

Ntchito ya miyala ya mapiri ndi 1: madzi akugwira ntchito.Miyala ya mapiri imatha kuyambitsa ayoni m'madzi (makamaka powonjezera ma ayoni a oxygen) ndipo imatha kutulutsa pang'ono ma A-ray ndi cheza cha infrared, chomwe chimakhala chopindulitsa kwa nsomba ndi anthu.Kupha tizilombo toyambitsa matenda m'miyala yophulika sikunganyalanyazidwe, ndipo kuwonjezera pamadzi am'madzi kumatha kupewetsa ndikuchiritsa odwala.

Ntchito ya miyala ya mapiri ndikukhazikitsa madzi abwino.

Izi zikuphatikizanso magawo awiri: kukhazikika kwa pH, komwe kumatha kusintha madzi omwe ali acidic kwambiri kapena amchere kwambiri kuti angoyandikira osalowerera ndale.Kukhazikika kwa mchere wamchere, miyala ya chiphalaphala imakhala ndi mikhalidwe iwiri yotulutsa zinthu zamchere ndikuyamwa zonyansa m'madzi.Zikakhala zochepa kapena zochulukirapo, kumasulidwa kwake ndi kutsatsa kumachitika.Kukhazikika kwa mtengo wa PH wamadzimadzi kumayambiriro kwa Arhat komanso panthawi yopaka utoto ndikofunikira.

Ntchito ya miyala ya mapiri ndi kukopa mitundu.

Miyala yamapiri ndi yowala komanso yachilengedwe.Iwo ali ndi chidwi mtundu kukopa zotsatira pa nsomba zambiri zokongola, monga Arhat, Red Horse, Parrot, Red Dragon, Sanhu Cichao, ndi zina zotero.Makamaka, Arhat ali ndi mawonekedwe omwe thupi lake liri pafupi ndi mtundu wa zinthu zozungulira.Kufiyira kwa miyala yophulika kumapangitsa kuti mtundu wa Arhat ukhale wofiira pang'onopang'ono.