Yakavharwa loop hydroponics, panotorwa mvura yemushonga wemvura uye inoshandiswa zvakare kuchirimwa, inopa zvakanakira kuyerera-kuburikidza kana imwe chete nzira masisitimu kuburikidza nemvura uye zvinovaka muviri mashandisiro ekushandisa. Kuwedzera kwekushandisa zviwanikwa kunoderedza mitengo yekugadzira uye pakupedzisira kunodzivirira kukanganisa kwezvakatipoteredza kwakabatana nekubuda kwezvikafu pakugamuchira mitumbi yemvura.
Kunyangwe paine akawanda mabhenefiti, kune zvakare njodzi dzekugadzira dzinounzwa kana uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchinge uchingedzo. Kune marudzi akawanda emasisitimu anoshandiswa pari zvino mumaindasitiri ekurapa mvura yekuvirisa (mvura yekudiridza ine fetireza). Mienzaniso inosanganisira asi haina kugumira pakusefa jecha, ultraviolet mwenje, chlorination, ozonation [O3(aq)], advanced oxidation process, peracetic acid (C2H4O3), uye hydrogen peroxide (H(O2).
Muchiyedzo ichi, recirculating zvinovaka muviri mhinduro dzakarapwa uchishandisa dimensionally stable anode (DSA)-based regenerative in situ electrochemical hypochlorination (RisEHc) mumvura yakadzika tsika hydroponic lettuce (Lactuca sativa) kugadzira hurongwa. Phytotoxic mhedzisiro yakacherechedzwa uye yakaverengerwa kuumbwa kwekloramines mune yakarapwa zvinovaka muviri zvinogadzirisa zvine ammonium. Chidzidzo ichi chakaratidza kuti phytotoxic mhedzisiro inogona kudzivirirwa nekushandiswa kwe regenerative in situ hypochlorination kuburikidza nekutonga kwakaringana uye nzira dzekutarisa mukudzoreredza hydroponic masisitimu.
Nepo iyo phytotoxicity inokonzerwa neyakajairwa chlorination yakanyatso dzidza, hapana ruzivo maererano nemhedzisiro yerinoveli RisEHC, ine DSA, system yakaongororwa pano, apo mushonga wekuuraya hutachiona unoramba uchigadzirwa patsva. Chinangwa chetsvakiridzo yakapihwa yaive yekuongorora mhinduro dzezvirimwa uye zvinogona kuitika zve phytotoxic zvinokonzerwa nekurapa kwakasiyana kudzokorodza zvinovaka muviri mhinduro kuburikidza neRisEHC. Kupfuurirazve, kushanda kwekushandisa post-electrochemical ultraviolet application kuderedza phytotoxicity mhedzisiro, pamwe nekushandura nitrogen sosi yefetereza, yakaongororwa.
Kubudirira fertigation mhinduro kugadzirisa kwakakosha pakuona kugona kwakazara kwenguva refu recirculating hydroponic systems. Iyo RisEHC sisitimu yakaongororwa pano yakaratidzwa kuve inoshanda pakudzikisa huwandu hwehutachiona murabhoritari-scale hydroponic kukura miedzo; zvisinei, kugadzirwa kwekloramine muhupo hweammoniacal compounds / fertilizer yakatungamirira kune phytotoxicity mune zvimwe zviitiko.
Muchidzidzo chazvino, chloramine phytotoxicity yakagadziriswa nekusasanganisa ammoniacal fertilizer, kana nekuora uchishandisa. ultraviolet mwaranzi mushure mekurapa kwe electrochemical, tsika yaizowedzera kuwedzera microbial inactivation. RisEHC chishandiso chinoshanda chekugadzirisa fertigation mhinduro kana kugadzirwa kwechloramine kuchidziviswa kana kudzikiswa.
Sekureva kwemunyori anotungamira, "Kana inodzorwa kurima kwezvakatipoteredza (CEA) kuri kuvhara zvizere chiuno chemvura (kureva, zero discharge), matekinoroji anodiwa anozovimbisa kuti mhinduro dzinoramba dzisina hutachiona pasina kuunganidzwa kwemishonga inouraya utachiona kana zvinokuvadza disinfection by-zvigadzirwa. Isu takagadzira nzira yeRisE HC nechinangwa chekupa tekinoroji yaizobvisa akawanda ezvipimo kune horticultural chlorination sezvinobvira. Kushaikwa kwechikafu kuri kuwedzera pasirese uye tinovimba kuti matekinoroji akadai seRisE HC anogona kuvandudza kusimba kwekugadzirwa kwezvirimwa zveCEA (uye maruva).
Bepa rinoburitswa mujenari HortScience.