Hydrogen sulfide

hydrogen sulfide sewers

Yana yiwuwa yankin da kuke zama yana iya samun wari mara kyau da ke fitowa daga magudanar ruwa. Wannan warin yana haifar da shi hydrogen sulfide. Ana kuma san sunan su magudanar ruwa kuma yawanci suna warin ruɓaɓɓen kwai. Ana samar da shi a cikin tsire-tsire masu kula da ruwa da kuma cikin tsarin najasa. Yawanci yana da matuƙar guba ga mutane.

Don haka, za mu sadaukar da wannan labarin don gaya muku duk abin da kuke buƙatar sani game da hydrogen sulfide, asalinsa da halayensa.

Menene hydrogen sulfide

hydrogen sulfide

Idan kun sami korafi game da wari a cikin muhallinku, mai yiwuwa hydrogen sulfide ne ko kuma “gas ɗin magudanar ruwa” da aka fi sani da shi. Idan kana jin warin ruɓaɓɓen qwai kusa ko a gida. mai yiwuwa hydrogen sulfide (H2S). Ana samar da H2S a cikin tsire-tsire masu kula da najasa da tsarin najasa. Har ila yau, an san shi da "gas ɗin najasa", yana da guba sosai ga mutane.

Gabaɗaya ana gano kasancewar hydrogen sulfide a cikin magudanar ruwa ta hanyar korafe-korafe daga makusanta da ke da matsalar wari. Hydrogen sulfide yana samuwa ne ta hanyar halayen halitta a cikin tsarin magudanar ruwa ko tsire-tsire masu kula da ruwa. Ana samar da H2S ta hanyar anaerobic (anaerobic) fermentation na kwayoyin halitta da ke cikin ruwa mai datti.

A cikin bututun, idan babu iskar oxygen, ƙwayoyin cuta za su ci kuma su samar da hydrogen sulfide, tare da ƙamshin ruɓaɓɓen qwai. Wannan shi ake kira sepsis kuma shine sanadin hydrogen sulfide da warin da ke tare da shi.

Shin yana cutar da mutane?

iskar gas

Hydrogen Sulfide ba shi da launi, mai cutarwa da ke faruwa a magudanar ruwa da magudanar ruwa inda babu iskar oxygen a wasu yanayi (wanda ake kira yanayin anaerobic ko yanayin lalata). Yana da illa ga lafiya. Yana da matukar fushi ga mucosa na idanu da fili na numfashi.

Sama da wani taro, hydrogen sulfide zai shafe shi jijiyar kamshi, yana sanya shi "bacewa" kuma ya sa ba a iya gano shi gaba daya. Don haka H2S na iya zama matsala lokacin da ba ku yi tsammani ba. A cikin manya, 300 ppm (sassan kowace miliyan) yana da mutuwa. A ƙarƙashin wasu sharuɗɗa, a cikin keɓaɓɓen sarari, Hydrogen Sulfide na iya zama mai mutuwa nan take.

A wani maida hankali kusa da 150 ppm, jin warin da sauri ya zama gaji kuma yanayin warin ya zama ɗan daɗi mai daɗi sannan ya ɓace gaba ɗaya. A cikin tsarkakakken yanayinsa, hydrogen sulfide na iya ƙonewa cikin sauƙi don samar da harshen wuta mai haske. Ma'ana, duk wani yatsa da ya faru zai iya haifar da gobara.

Idan ba mai tsarki ba ne, amma gauraye da iska (a cikin yanayi na al'ada yana haifar da lalacewa ga muhalli), zai zama wani abu mai fashewa. Za a iya samar da gaurayawan abubuwan fashewa a cikin adadi mai yawa (4,5% zuwa 45,5% a cikin iska). Yanayin zafin jiki na atomatik, wato, Yanayin zafin da gas zai iya ƙone ko da ba tare da tushen waje ba, shine 250 ° C.

Ana samun hydrogen sulfide a cikin ruwa, mai, man shafawa, da hydrocarbons (mai, naphtha, da sauransu). Dole ne a tuna cewa solubility na iskar gas a cikin kowane sauran ƙarfi yana ƙaruwa tare da matsa lamba.

Hatsari na hydrogen sulfide

magudanar ruwa

Baya ga fitar da wani wari mara dadi na musamman. babban adadin H2S yana da ban tsoro kuma yana da guba musamman lokacin da maida hankali yana da yawa a cikin sararin samaniya. Ma'aikatan kamfanin kula da ruwa da ke aiki a wuraren da aka killace suna da rauni musamman ga wannan babban haɗari. Alhakin babban jami'ai ne don kare ma'aikata daga hatsarori na hydrogen sulfide.

Bari mu bincika menene matakan haɗarin hydrogen sulfide daban-daban:

  • Gas ne mai guba- Guba na hydrogen sulfide yana da faffadan bakan. Yana kai hari da gurgunta tsarin juyayi kuma yana toshe numfashi ta salula. A cikin babban taro, inhalation guda ɗaya na iya zama m.
  • Gas ne mai fashewa: yana da zafi sosai. Yana samar da abubuwan fashewa da iska. Tuntuɓar samfuran da ke da iskar oxygen na iya haifar da gobara da fashewar abubuwa.
  • Ba shi da tabbas: iskar gas ce mai cutarwa kuma ta fi iska nauyi. Sabili da haka, yana iya tarawa a ƙananan sassan gine-gine da tashoshi na famfo ko magungunan magani. Suna kafa aljihu a cikin najasar da ba ta da kyau kuma suna fitar da iskar gas mai muni lokacin da irin wannan najasa ta tashi saboda kwararar bututu. Shanyayye a cikin kamshi yana hana ku aiwatar da kariya ta yanayi na jiki daga iskar gas.

Yadda za a yaki wannan gas

Ɗaya daga cikin halayen hydrogen sulfide shi ne cewa yana lalata tsarin magudanar ruwa da kuma tsire-tsire masu kula da ruwa. A cikin zafi, yanayin zafi na tsarin magudanar ruwa, H2S zai oxidize zuwa sulfuric acid. Wannan acid na sulfuric yana da lalata kuma zai lalata ruwan datti da tsire-tsire masu kula da ruwa.

Ana iya kasancewa da zaizayar ƙasa akan siminti, jan ƙarfe, ƙarfe, da azurfa a cikin tankunan sarrafawa, gine-gine, da kayan lantarki. Idan ba a yi taka-tsantsan ba. Bututun da a ƙarshe aka fallasa su ga wannan lalata suna iya karyewa. Lalacewa ta shafi ɓangarori masu nitsewa na bututun magudanar ruwa ko tsarin da ke cikin masana'antar sarrafa najasa.

Yawan lalata ya dogara da adadin H2S da aka kafa da matakin maganin rigakafi. Yanzu yana yiwuwa a guje wa ruɓaɓɓen ƙamshin kwai a cikin masana'antar kula da najasa ko najasa na biranen mu da ƙananan hukumomi.

Yara ya ƙirƙiri YaraNutriox ™, tsari don hana kamuwa da cuta ta rashin iskar oxygen a cikin bututun magudanar ruwa ko kuma masana'antar sarrafa ruwa. YaraNutriox ™ shine gauran nitrate na musamman na Yara, wanda aka gwada shi da hydrogen sulfide a ɗaruruwan wurare a duniya.  Garuruwa kamar New York, Paris, Cologne da Montreal Suna da YaraNutriox ™ don sarrafa iskar gas.

Ina fatan cewa tare da wannan bayanin zaku iya ƙarin koyo game da hydrogen sulfide kuma me yasa zai iya zama haɗari ga ɗan adam.


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