Kawo Ammonia na Desulfurization Ya Zama Mai Yawa a Samfan Kima ta Petrochemical

1. Tashin Kula da Matsala na Desulfurization a Tattalin Masu Karya na Petrochemical

Tattalin masu karya na petrochemical suna aiki ne a cikin wasu daga cikin yadda masu karya na flue gas na yawa a tsarin masu karya. Bayan tattalin masu karya na gaba daya, tattalin masu karya na petrochemical suna kuma da manyi na bayanin gas , domin suka haɗa da heaters, furnaces, boilers, sulfur recovery units (SRU), hydrogen production units, da manyi na off-gas. Wani daga cikin wadannan units yana samar da flue gas da yadda masu karya na temperature, kwararren sulfur, yadda masu karya na moisture, da yadda masu karya na impurity .

Matsala mai zuwa ta hanyar tattalin masu karya na petrochemical suna kuma da:

• Kwararren SO₂ mai zuwa ta hanyar kwalla na yadda masu karya na feedstock

• Yadda masu karya na moisture mai zuwa da abubuwan da suka haɗa da corrosion a cikin flue gas

• Yadda masu karya na space mai zuwa ta hanyar retrofit projects

• Yadda masu karya na emission limits mai zuwa ta hanyar al'amuran na environment da ESG commitments

• Kananan gaskiya ga tsayin kafin da ake amfani da shi a lokacin daga cikin zaman lafiya

Takamaiman desulfurization na farko, kamar limestone-gypsum wet FGD ko sistemai na sodium, zasu iya samun standaradai na bayan kuma yanzu suna kusantarwa da kayan aiki na yawa, masu kuskure na kwalla, da amfani da abubuwan da suka fito a lokacin amfani da su lokacin da aka amfani da su a cikin al'adu na petrochemical da ke cika kari.

Saboda haka, shugabannin petrochemical suna gano kafin da su ammonia-based flue gas desulfurization (Ammonia FGD) kamar solushin na yawa da ke da kyau da kuma yawa da ke da kudin aiki mai kyau.

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2. Me ya sa flue gas na petrochemical ya buƙata amfani da wani hanyar desulfurization waɗanda suka fari

Flue gas na petrochemical ya faru da flue gas na coal-fired power plant a cikin wasu abubuwa:

1. Kananan sulfur kuma yana canzawa sosai

2. Yi amfani da kwararren ayyukan kuma kwararrun bayanai

3. Yi amfani da tsawon fahimtar hanyar rarraba kuma kwararrun ayyukan kuma kwararrun bayanai

Babu wani yankin petrochemical ya zama mai amfani da karkara, kuma kadan lokaci na kwarra da ayyukan kuma kwararrun bayanai zai iya nuna karamin gudunmawa. Don haka, kowace sistan na desulfurization dole ne ya ba:

• Koƙa mai yawa da sabon ayyukan kuma kwararrun bayanai

• Koƙa mai yawa da sabon ayyukan kuma kwararrun bayanai a cikin yadda ake yi amfani da karkara

• Koƙa mai yawa da sabon ayyukan kuma kwararrun bayanai a cikin yadda ake yi amfani da karkara

Desulfurization na ammonia ta gudan yanzu ayyukan kuma kwararrun bayanai ta hanyar ayyukan kuma kwararrun bayanai na likwidai da karamin fahimtar mass transfer , don nuna koƙa mai yawa da sabon ayyukan kuma kwararrun bayanai a cikin yadda ake yi amfani da karkara.

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3. Yadda Desulfurization na Ammonia Ta Gudan A Ayyukan Petrochemical

A cikin sistema na desulfurization mai amoniya, SO₂ a gas na fume ya kuma amoniya solution don samu ammonium sulfite da ammonium sulfate. Daga tsarin tashin oxidation mai kyau, bayanin abu ne ammonium sulfate mai tsarki , wanda aka amfani da shi matsayin fertilizer na nitrogen wanda aka amfani da shi a yawan al’umma.

Suna ta hanyar muhimman yadda ake amfani da reaction suna da:

• Yadda mai kyau na reaction na kimika

• Karamin kariya na karewa ga sulfur dai ma a yawan kadan na SO₂

• Kara gaba daya na aiki a yawan farko na temperature

Ga wasu kasuwa na petrochemical, amoniya yana da kammalawa kamar yadda ake amfani da shi a cikin tsarin da ke cikin aiki ko tsarin logistics, wanda ke sauya aikin kawo shi a cikin tsarin da ke cikin aiki.

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4. Suyukai na muhimman aikin amoniya FGD ga kasuwa na petrochemical

4.1 Tushen Karamin Karkara ta Hanyar Fasaha ta Yawa da Karamin Samun Karama

Sistemin da suka yi amfani da ammonia na zamanin yanzu zasu iya samun Karamin karkara ta SO₂ akan 98% ko ƙarshen , wanda ke ba da imkanin samun karamin karkara a cikin gaba daya da karamin karama na al'umma. Wannan ke nufin cewa ammonia FGD zai iya amfani da shi ba tare da koyaushe kuma don karamin karama na al'umma a masa .

4.2 Ba a mace karamin karama mai saurin karama

A cikin hanyar sistemin da suka yi amfani da limestone wanda suka haɗa karamin karama mai saurin karama da gypsum wanda ya bukata karama ko rarraba a cikin gaba daya, ammonia FGD ya haɗa ammonium sulfate da za a iya rarraba shi . Wannan ya canza karamin karkara daga karamin karama zuwa prosesin samun abubuwa da za a iya amfani da su .

Ga wadanda suka yi amfani da kayan aiki na petrochemicals da suka ci gaba daya akan bayani na circular economy, wannan fayilu yana da kyau sosai.

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4.3 Kusancin Kudada na Aiki A Daga Cikin Tattaunawa na Projekci

Ko kuma sistemu na ammonia zai bukatar rarrabuwa da tsarin tattara, su kusantar kudada na tattaunawa yana da kyau sosai ga wadanda suka yi amfani da kayan aiki na farko saboda:

• Kusancin amfani da kayan aiki

• Kusancin kuskure da kuskure na kayan aiki

• Kusancin adadin sauyin kayan aiki

• Kudada daga bin sale na kayan aiki na musamman

A cikin wadanda suka yi amfani da kayan aiki na petrochemicals da suka kashe, wannan kusanci yana zama mai kyau sosai a cikin amfanin kafin zaman da ita ce.

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4.4 Tushen kwarin gaba daya da shawara mai yawa na gas na kofa

Gas na kofa na petrochemical zai iya hada:

• Kwayoyin hydrocarbon na karami

• Abubuwan da ke cikin asidi

• Kwayoyin tukun-tukun na zarra

Sistemin da suka yi amfani da ammonia na farko suka hada kafa biyu na kwallon gas da likwidu da sauyin siffa , kuma yana nuna tsayin aiki daidai ba tare da yadda aka samu kuma ba tare da alamun gas da yawa ba.

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5. Yadda aka gudan kamar yadda akwai kadan daga cikin alamun da suka gabata da ammonia desulfurization

A lokacin da suka gabata, wani daga cikin shugaban petrochemical sun hankali da yadda suka yi amfani da ammonia desulfurization saboda alamun da suka gabata da:

• Kunya ta fofa

• Tsarin kuma ta daga gaba

• Yanzu na kariya

Amma, ayyukan ingilishi na zamanin yanzu suka kammala waɗannan bayanai.

Sistemu mai mahimmanci suna amfani da:

• Kontroli mai zakiya na kuma ta fofa

• Matsayin kuma ta fofa na yadda biyu

• Kontroli mai zakiya na oksidashi da tsarin pH

Don haka, kunya ta fofa zai iya karewa a tafiya daga 1 mg/Nm³ , amma tsarin samun aerosol ya kashe da kariya.

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6. Tashin cikin Tsarin Petrochemical Na Kasuwa

Wani daga cikin yadda ammonia FGD ta fi amincewa shine kamar yadda ta zama maki da tsarin petrochemical na kasuwa .

Ta iya tashin cikin:

• Yanayin samun hanyar gudunmawa mai zuwa

• Tsarin aiki na gas na karami

• Yanayin samun gas na karami na gaba daya

Kadanin fuskantar gas na ammonia-based absorbers ta nuna kadanin damar aiki ga yankin aiki na gaba, wanda ke baya wajibi don aiki mai zuwa na petrochemical.

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7. Fayilai na gida da ESG

Daga nishadi na ESG, amoniya mai tsarrawa ta dacewa da maimakon karamin gudunmawa:

• Karamin yawa na bayan sulfur

• Aikin sauya waɗanda suka zama abubuwan da ke da matsala zuwa abubuwan da ke da kimiyar muhimmi

• Karamin bayan abubuwan da ba su da aiki (solid waste) da aka saba

• Sauran karamin karamin amfani da abubuwan da suka haɗa da al'ada

Wadannan fayilai suka taimaka wajen sauyawa da al'adar gudunmawa na shirye-shiryen petrochemicals idan suka cire karamin al'adar da suka haɗa da al'ada.

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8. Aiki na lokacin daban-daban don shirye-shiryen petrochemicals

Idan shirye-shiryen petrochemicals suka gane karamin yawa na karamin bayan abubuwan da suka haɗa da al'ada ba tare da karamin al'adar da suka haɗa da al'ada, amoniya mai tsarrawa ta dacewa da aiki mai dacewa ta hankali da karamin al'adar da suka haɗa da al'ada, karamin al'adar da suka haɗa da al'ada, da karamin al'adar da suka haɗa da al'ada.

Daga cikin ƙarfi na tattalin arziki na teknoliji, ammonia FGD ba ne kuma yadda ake gudanar da shi—amman ya zama teknoliji mai tsayi da ta fuskar da aka bayyana wanda ke ƙarfi don amfani ga furokun petrokimikali na yawa a duniya.