Filin ruwa na septic

Filin zubar da ruwa, wanda kuma ake kira filayen leach ko leach drains, wuraren zubar da ruwan da aka yi amfani da su don cire gurbataccen ruwa da ƙazanta daga ruwa wanda ke fitowa bayan narkewar anaerobic a cikin tankin septic. Abubuwan kwayoyin halitta a cikin ruwa suna lalacewa ta hanyar yanayin halittu.

Filin zubar da ruwa, tankin zubar da jini, da bututun da ke hade da shi sun hada da tsarin zubar da ciki.

Filin zubar da ruwa yawanci ya kunshi tsari na ramuka da ke dauke da bututu da kayan da ke cikin rami (sau da yawa dutse) wanda aka rufe da wani nau'i na ƙasa don hana Dabbobi (da kuma runoff) daga isa ga ruwan da aka rarraba a cikin waɗannan ramuka.Steel, E.W. & McGhee, Terence J. "Water Supply and Sewerage"McGraw-Hill Book Company (1979)  pp.576-577 Abubuwan da aka yi la'akari da su na farko sune hydraulic don yawan ruwan da ke buƙatar zubar da ruwa da catabolic don buƙatar iskar oxygen na dogon lokaci na wannan ruwan. Yankin ƙasar da aka ware don filin zubar da ruwa na septic ana iya kiransa yankin ajiyar septic (SRA). 

Gidajen sharar gida kamar haka suna zubar da Ruwa mai guba ta hanyar jerin ramuka da lagoons (sau da yawa tare da kadan ko babu magani). Wadannan ana samun su sau da yawa a cikin ƙasashe masu bushewa kamar yadda ruwa ke gudana a saman yana ba da damar ban ruwa (da taki) na ƙasar noma.

 Tsarin 
alt=|thumb|329x329px|Ana shigar da filin zubar da ruwa
Yawancin sassan kiwon lafiya suna buƙatar Gwajin percolation ("perc" gwajin) don tabbatar da dacewa da ƙasa mai zubar da ruwa don karɓar ruwan tanki. Ana iya buƙatar injiniya, masanin kimiyya na ƙasa, ko mai tsara lasisi don yin aiki tare da hukumar kula da gida don tsara tsarin da ya dace da waɗannan ƙa'idodin.

Hanya mafi ci gaba  don ƙayyade girman filin leach ta hanyar lura da bayanin martabar ƙasa kai tsaye. A cikin wannan kallo, injiniyan yana kimanta abubuwa da yawa na ƙasa kamar rubutu, tsari, daidaito, pores / tushen, da dai sauransu.

Manufar gwajin percolation shine tabbatar da cewa ƙasa tana da isasshen isasshen ruwa don ruwan tanki mai narkewa ya fita daga filin magudanar ruwa amma yana da isassu don tace ƙwayoyin cuta da ƙwayoyin ƙwayoyin halitta kafin su yi tafiya mai nisa don isa ga rijiyar ruwa ko samar da ruwa. Ƙasa mai laushi - yashi da dutse - na iya watsa ruwan da ba shi da kyau daga filin ruwa kafin a lalata cututtukan cututtuka. Silt da yumɓu yadda ya kamata tace cututtukan cututtuka amma iyakance yawan ruwan da ya kwarara.Alth, Max & Charlotte "Constructing and Maintaining your Well & Septic System" Tab Books (1984)  pp.166-167 Gwaje-gwaje na percolation suna auna yawan abin da ruwa mai tsabta ke warwatsawa ta hanyar rami a cikin ƙasa. Abubuwa da yawa na iya rage yawan abubuwan da aka lura lokacin da filin ruwa ya karɓi ruwan tankin anoxic: Alth, Max & Charlotte "Constructing and Maintaining your Well & Septic System" Tab Books (1984)  p.217

 Ƙungiyoyin ƙwayoyin cuta da ke haɓaka mahadi masu narkewa daga ruwan tanki na septic za su manne wa ƙwayoyin ƙasa kuma su rage yankin interstitial da ke akwai don gudana tsakanin ƙwayoyin ƙasar. Wadannan yankuna suna samar da ƙananan biofilm na gelatinous slime a cikin ƙasa na rami.Alth, Max & Charlotte "Constructing and Maintaining your Well & Septic System" Tab Books (1984)  pp.164-165&219
 Ƙananan ƙwayoyin da ba za a iya ɗauka ta hanyar tankin septic za su tara a cikin ƙasa na rami na zubar; ƙwayoyin ƙwayoyin cuta kamar ƙwayoyin roba na roba daga wanki, ƙasa mai ma'adinai daga wanka, ko ƙashi da ƙwai daga zubar da shara za su kasance don cika wuraren da ke akwai a baya don ruwa ya fito daga rami.Alth, Max & Charlotte "Constructing and Maintaining your Well & Septic System" Tab Books (1984)  p.219
 Fats na dafa abinci ko kayayyakin man fetur da aka yi amfani da su ta hanyar wankewa ko narkewa ta hanyar narkewa na iya gudana ta hanyar kafin narkewar anaerobic lokacin da girman tankin septic ya yi ƙanƙanta don ba da isasshen lokacin zama kuma yana iya daskarewa a matsayin Layer hydrophobic a kan ƙirar ƙasa na rami.Hammer, Mark J. "Water and Waste-water Technology" John Wiley & Sons (1975)  pp.407-408
 Hawan matakan Ruwa na ƙasa na iya rage tushen ruwa (ko nesa a tsaye), wanda ke haifar da ruwa mai nauyi daga rami. Da farko, ruwan da ke gudana ƙasa daga rami na zubar da ruwa na iya haɗuwa da ruwa mai zurfi ko dutse ko yumɓu, yana buƙatar canjin shugabanci zuwa motsi a kwance daga filin magudanar ruwa. Ana buƙatar wani nisan tsaye tsakanin matakin effluent a cikin rami na zubar da ruwa da matakin ruwa wanda ya dace lokacin da effluent ya bar filin zubar da jini don ƙarfin nauyi don shawo kan ƙarfin rikice-rikice mai tsayayya da gudana ta hanyar ƙasa mai laushi. Matakan ruwa a kusa da filin ruwa zai tashi zuwa ƙasa don adana wannan bambancin nesa na tsaye idan matakan ruwa na ƙasa da ke kewaye da filin ruwa suna kusantar matakin ruwa a cikin rami.
 Ƙasa mai daskarewa na iya rage yankin sashi na ƙetare don gudana ko evaporation.

 Tsarin zane-zane 
Kamar dai yadda tankin septic yake da girman don tallafawa al'umma na kwayoyin anaerobic da ke iya yin amfani da adadi mai yawa na kayan lalacewa a cikin ruwa mai guba, ya kamata a daidaita filin ruwa don tallafawa wata al'umma ta microorganisms na ƙasa mai iska wanda zai iya lalata ruwan tankin anaerobic septic a cikin ruwa na iska. Ana iya lura da ƙanshin Hydrogen sulfide ko Kwayoyin ƙarfe a cikin rijiyoyin da ke kusa ko ruwa na sama lokacin da ba a cika ruwa gaba ɗaya ba kafin ya kai ga waɗancan yankuna.Hammer, Mark J. "Water and Waste-water Technology" John Wiley & Sons (1975)  pp.407-408 Biofilm a kan ganuwar ramukan filin ruwa zai yi amfani da iskar oxygen a cikin ramukan don catabolize kwayoyin halitta a cikin ruwan tanki. Ruwan ƙasa yana gudana a cikin ƙasa da ke kewaye da filin ruwa.Linsley, Ray K. & Franzini, Joseph B. "Water-Resources Engineering (2nd Ed.)" McGraw-Hill Book Company (1972) , p.88 Ruwan tanki na septic tare da mahadi masu narkewa da ke wucewa ta hanyar biofilm yana samar da ruwan tabarau a saman ruwan kasa da ke ƙarƙashin filin magudanar ruwa. Yaduwar kwayoyin yana sarrafa haɗuwa da mahadi masu narkewa a cikin ruwa na ƙasa da jigilar iskar oxygen daga ruwan da ke ƙasa ko ƙuƙwalwar ƙuƙwalwa na ruwa na ƙasa zuwa ƙananan ƙwayoyin da ke iya haɓaka mahadi masu rarrabewa da suka rage a cikin fuka-fuki.

 Manazarta 
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