Nazarin matukin jirgi akan haɓakawa da haɓakar ƙwayoyin cuta ta hanyar ƙwayar cuta ta ƙasa da shuka ta amfani da fasahar MBBR

Aikin Aiki

• Wuri:Shuka magani na shararatasa a karkashin rukunin sunadarai a cikin Zhejiang
• Wahala:Ya yi amfani da tsarin A2o don cire babban KJeldahl nitrogen daga boofore na sharar gida. Amma abin da ke faruwa ya kunshi sutturar samarwa iri daban-daban, dauke da babban adadin ca²⁺ da s²⁻ na ca²⁺ da s²⁻ a cikin sinadarin carbide daga slag na carbide daga na Acetylene sharar gida. Wadannan ions da muhimmanci shafi tsarin nitrification na microbial da aikin shuka.
• Matakanmu:1. Sanya wuraren da aka fara a farkon matakin {{1} in canza matakin Aerobic zuwa Tsarin MBBS.

Raw Ruwa

Abin da ya shafi matukin matukin jirgin ya samo asali ne daga mai amfani da tanki na sharar gida. Tebur 1 yana gabatar da alamun ingancin ruwa. Dangane da bukatun gwaji, da aka kwarshe ammoniya nitrogen maida hankali ne, tare da ammonium sulfate a matsayin kari na nitrogen don kula da tkn mg / l.

 

Tsari gudana da manyan kayan aiki

Tsarin shuka na yanzu shine tsari na A2o (Hoto 1), tare da Ao mataki ta amfani da hanyar sludge da kuma tanki mai kunna Aerobic yana ƙara filastik na ƙarshe. Resularancin kwararar ƙira shine 14,400 m³ / d. An nuna tsari na matukan jirgi a cikin Hoto na 2, tare da ƙimar gudummawar 100 l / h da kuma ci gaba 24-awa aiki.

Babban halayen matukin jirgi sun haɗa da ƙari na abubuwan da aka tantance da kuma canjin sakandare na sakandare aerobic zuwa aikin MBBR. Wannan matattarar da aka dakatar {{1} {{{}} iren ƙirar jihar yana kawar da buƙatar tanki na sildimita. Tebur 2 Lissafa bayanai da girma na kayan aikin.

1. Farawa da yanayin aiki

Maɓallin matukin jirgi ya fara a cikin Afrilu 2007, farawa da inocrabbi na microbial. The sludge kara da aka kara daga farko tanki tank. MBRR Nitrens nitrifen kwayoyin cuta da aka al'ada tare da dunƙule mai bushe da ammonium {3} ara don tsara abin da aka yi amfani da su. Ruwa mai tasiri mai tasiri a cikin babban tanki na Aerobic ya karu, kai ga yanayin da ake so bayan kusan wata daya, yana ba da izinin ci gaba da yin gwaji mai tasiri. A yayin aiki, MLSS a cikin tankokin otxic da Aerobic shine 4,832 MG / L, yayin da a cikin tanki na MBBR, MLBR TURTS 5,091 MG / L. Shin matakan a cikin motar otxic sun kasance 3 mg / l, kuma a cikin tanki mai yawa, suna tsakanin PH na 7.4-7.5, tare da yanayi mai girma na 7.4-7.5, tare da yanayi mai kyau na haɓaka ƙwayoyin cuta.

2. Ingantaccen tasiri

Feso₄ da Nahco₃ an kara su zuwa Pre {{0} eriting tanki Tsakanin 7.7, tare da lura da alamu mai da sint. Yawan hankali Caint na kusa da 300 MG / L, yayin da S²⁻ ya rage zuwa matakan da ba zai hana daukar amfani da microbaifial ba a matakin jiyya a cikin kwayoyin halitta. Koyaya, pretammin bai zama ba tasiri sosai ga cire caq, barin babban taro mai yawa.

3. Ingancin cirewa

An taru Cod COD zuwa 1,000 MG / L kamar yadda ake buƙata na gwaji. Saboda biyun - teburin Aerobic tare da Pre-} 4 4,,, COD Walkration ya yi girma sosai lokacin ƙididdigar. A cewar rahotanni, cod: TKn rabo sama da 6.6: 1 ana buƙatar cikakken ƙa'idodi; Koyaya, rabo na gwaji ya kasance tsakanin 4.5.3, wanda ya haifar da matsakaicin adadin ƙididdigar ƙididdigar 69%. Kodayake Cod da ke da hankali ya kasance ya zama da girma, da code coad da keyewa mai yawa ya kasance ƙasa da 100 MG / L. Hoto na 3 yana nuna daidaitaccen cod a yayin gwajin daga Agusta zuwa Satumba na 93.3%, ya sadu da matsayin "daidaitaccen tsarin cire sharar gida" (GB 89788-199-199-1996-1996-1996-1996) Matsa Na Siyarwa.

4. Ammonia nitrogen cirewa ingancin

A lokacin gwajin daga watan Agusta zuwa Satumba 2007, mukuwar TKN ya kasance tsakanin 120-20 MG / L, tare da adadin cire kashi 95%. Wannan tsari ya cire Kjeldahl nitrogen saboda tsarin MBBR da aka yi amfani da shi a cikin ƙarshen matakin, wanda ya haɗa da siffofin da aka dakatar, wanda ya haɗa da siffofin sludge da haɓaka tsarin tsayayya da tsarin. A ammoniya nitrogen kaya shine 0.018 kg / (KGRA D). Koyaya, a matsayin yanayin zafi na dare a watan Satumba ya fara bambanta da muhimmanci sosai ga Agusta, akwai karamin raguwa a cikin cirewa na tekn tkn.

5. Bincike nazarin alli a cikin MBBRR TULER

Rahotanni sun nuna cewa ajiya cajin yana hana nitrification. A cikin aikin shuka na magani, adana bayanan allo a kan masu silili masu sassauƙa a cikin tanki mai saurin hana ƙwayar ƙwayar cuta, rage ingancin nitrial a cikin tanki na ƙarshe. Tunda tunatarwa ba ta da amfani ga cajin cajin Ca²⁺, ana gudanar da sa ido a cikin aikin MBBR. Abubuwan da ke cikin Calcium sun kasance 2.13% a watan Mayu, 1.89% a watan Yuli, da 1.04% a watan Satumba, suna nuna cajin ajiya a kan masu flers. Koyaya, saboda yanayin motsi na MBRR na MBBR, wanda aka ajiye shi zai yi zubar da shi ta atomatik a ƙarƙashin tasirin ajiya, yana hana illa mai illa ga nitrification.

Wannan binciken matukin jirgi ta hanyar dawo da shuka ta ƙara pre - Akwai kayan aikin magani a farkon aikin aerobic a cikin matakin Aerobic. Bayanin karshe da ya nuna kyakkyawan sakamako kamar haka:

1. Masu bin ingantacciyar fahimta, mai amfani da keyiryon sigari sun yi ƙasa, kodayake cajin cire shi ya zama ƙasa da ƙasa. An kiyaye tsarin kwanciyar hankali gabaɗaya, yana amfana da maganin halitta.

2. Lokacin da yawan fasa kwakwalwar kwakwalwa ya kai 1,000 MG / L, Cod na cire code 80.3%, tare da matsakaiciyar buƙatun.

3. Tsarin MBBR koyaushe ya sami babban abin hawa na KJeldahl, ɗaukar nauyin 95% tare da nauyin ammonia nitrogen na 0.018 kg / (KGRA D).

4. Kulawa da Kulawa da Alion alion a cikin MBBR Tink Tank da aka nuna cewa an hana wani matsayi mai mahimmanci a kan nitrification.