Kasuwancin manoma zama mafi ƙarancin birane, rayuwa sharsharar ruwa samar da ƙarfin ƙarancin birane, kauye da karkara kudi m, manoma kudin shiga low, ya kamata ya karfafa amfani da tattalin arziki, sauki, inganci, kamar yadda zai yiwu tare da gida noma samar da haɗuwa da daban-daban rayuwa sharar ruwa sarrafawa fasahohi, rayuwa sharar ruwa sarrafawa kayan aiki cimma sharar ruwa mara cutarwa sarrafawa da kuma albarkatun amfani.

A cikin 'yan shekarun nan, hanyoyin sarrafa ruwan karkara na karkara sun bambanta, amma duk haɗuwa daban-daban ne na fasahohin sarrafa rukuni daban-daban. Amfani da fasahohin sarrafa ruwan datti na karkara sun haɗa da tafkin septic, tafkin tsabtace ruwan datti na biogas, tafkin samar da iska na yau da kullun, jerin masu amfani da ruwan halitta, oxidation trench, tafkin oxidation mai tuntuɓar halitta, wuraren zafi na wucin gadi, sarrafa ƙasa da tafkin muhalli da sauransu. Dangane da buƙatun aikin ruwan da aka karɓa, tare da yanayin tattalin arzikin yankunan karkara, kayan aiki, cikakken yanayin muhalli na halitta da jigilar ruwa, zaɓi fasahar sarrafawa ta gida.

Tsarin tsaftacewar ruwa na karkara：

Biocontact oxidation, SBR, A / O da A2 / O da sauransu.

Ka'idar aikin kayan aikin tsabtace ruwa na karkara:

Cire gurɓataccen abu da ammonia nitrogen ya dogara ne da tsarin sarrafa AO a cikin kayan aiki. Daya daga cikin ka'idodin aiki ne a matakin A, saboda tsabtace ruwa na kwayoyin halitta yana da yawa, ƙwayoyin cuta suna cikin yanayin oxygen deficiency, a wannan lokacin ƙwayoyin cuta sune ƙwayoyin cuta masu haɗin kai, don haka matakin A ba kawai yana da wasu ayyukan cire kwayoyin halitta ba, rage nauyin kwayoyin halitta na kewayon kewayon kewayon kewayon kewayon kewayon kewayon kewayon kewayon kewayon kewayon kewayon kewayon kewayon kewayon kewayon ke Don samun ƙarin lalacewar oxidation na kayan kwayoyin halitta, yayin da tasirin nitration zai iya gudanarwa cikin sauƙi a ƙarƙashin tasirin carbonation, a matakin O saita ƙananan nauyin kayan kwayoyin halitta na haɗin oxidation pool. Ana samun ƙwayoyin cuta na aerobic da ƙwayoyin cuta masu ƙwayoyin cuta masu ƙwayoyin cuta masu ƙwayoyin cuta masu ƙwayoyin cuta masu ƙwayoyin cuta masu ƙwayoyin cuta a cikin tafkin O. inda kwayoyin halitta na aerobic ke rarraba abubuwan halitta zuwa CO2 da H2O; Kasuwancin kwayoyin cuta (nitridae) yana amfani da carbon mara kyau ko CO2 a cikin iska da aka samar ta hanyar lalacewa, yana canza NH3-N a cikin ruwan datti zuwa NO-2-N, NO-3-N, da kuma ɓangaren fitarwar ruwa na matakin O na tafkin ya koma zuwa matakin A na tafkin, yana samar da masu karɓar lantarki ga matakin A na tafkin, yana kawar da gurɓataccen nitrogen ta hanyar aikin denitrification.