Kev Xeem Naphtha
Cov khoom lag luam: roj av raws li naphtha, thee raws Fischer Tropsch synthesis naphtha, thee ncaj liquefaction naphtha, hloov kho naphtha, ethylene cracking naphtha, hnyav naphtha, roj sib xyaw naphtha.
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Khoom Taw qhia
Kev kuaj pom ntau
(1) Cov khoom siv: roj av raws li naphtha, thee raws Fischer Tropsch synthesis naphtha, thee ncaj liquefaction naphtha, hloov kho naphtha, ethylene cracking naphtha, hnyav naphtha, roj sib xyaw naphtha.
(2) Cov xwm txheej siv tau: kev lees txais cov khoom siv raw, cov txheej txheem tsim khoom zoo, kev tshuaj xyuas cov khoom lag luam, hauv kev siv naphtha saib xyuas, kev xa khoom lag luam, kev sim ua raws li ib puag ncig, kev ntsuas kev txiav txim siab.
(3) Cov ntaub ntawv tseem ceeb: Ethylene cracking raw cov ntaub ntawv (PONA muaj pes tsawg leeg, BMCI tus nqi), hloov kho chav pub (cycloalkanes, arsenic cov ntsiab lus), hnyav roj ntau lawm (distillation ntau, aromatic txwv), khaws cia thiab kev thauj mus los ntawm kev saib xyuas (oxidation stability, tooj liab corrosion).
Cov khoom kuaj
(1) Cov cuab yeej ntsuas lub cev
Ceev (20 degree): characterizes qhov hnyav thiab muaj pes tsawg leeg ntawm cov khoom roj.
Distillation ntau yam: Thaum pib boiling point, 10% / 50% / 90% distillation kub, qhov kawg boiling point, txiav txim lub boiling ntau thiab feem ntau muaj pes tsawg leeg.
Flash point (kaw): Ntsuas qhov chaw cia thiab kev nyab xeeb kev thauj mus los.
Chromaticity/Saybolt xim: qhia txog qib roj refinement.
Saturated vapor siab (Reid txoj kev, 37.8 degree): Txiav txim siab volatility thiab evaporation.
Kinematic viscosity (40 degree): qhia txog lub fluidity ntawm cov khoom roj.
Aniline taw tes: cuam tshuam nrog cov ntsiab lus muaj ntxhiab hydrocarbon thiab solubility.
(2) Tshuaj muaj pes tsawg leeg thiab tshuaj xyuas hydrocarbon
PONA pawg muaj pes tsawg leeg: cov ntsiab lus ntawm alkanes (ib txwm / isomers), cycloalkanes, alkenes, thiab aromatic hydrocarbons.
Benzene cov ntsiab lus: qhov taw qhia tseem ceeb rau kev tiv thaiv ib puag ncig thiab kev nyab xeeb.
Bromine valence / bromine index: characterizes cov ntsiab lus ntawm olefins thiab qhia txog stability.
Diene tus nqi: Ntsuas cov ntsiab lus ntawm conjugated dienes thiab txiav txim siab thermal stability.
Organic oxygen-muaj cov khoom sib txuas: cuam tshuam rau kev ua haujlwm thiab cov khoom zoo.
(3) Cov impurities thiab cov khoom tsis zoo
Tag nrho cov ntsiab lus sulfur: cuam tshuam cov khoom siv corrosion thiab ib puag ncig emissions.
Nitrogen cov ntsiab lus: cuam tshuam rau kev ua haujlwm catalyst thiab roj stability.
Cov ntsiab lus chlorine: ua rau cov khoom siv corrosion thiab yuav tsum tau tswj nruj me ntsis.
Cov ntsiab lus hlau: hlau, npib tsib xee, vanadium, sodium, arsenic, lead, silicon, thiab lwm yam., tshuaj lom catalysts.
Cov dej noo: cuam tshuam rau kev khaws cia, kev thauj mus los, thiab kev ua haujlwm ruaj khov.
Mechanical impurities: thaiv cov cuab yeej thiab cuam tshuam cov khoom zoo.
Cov dej soluble acids lossis cov hauv paus: Txiav txim siab qhov kev ua kom zoo thiab corrosion nyiam ntawm cov khoom siv roj.
Thiol (Doctoral Experiment): Txiav txim siab qhov kev pheej hmoo ntawm active sulfur corrosion.
(4) Stability thiab corrosiveness
Oxidation stability: Ntsuas qhov kev xav kom deteriorate thaum lub sij hawm cia thiab siv.
Copper corrosion: Txiav txim siab corrosiveness ntawm cov khoom siv tooj liab.
Ua kua theem corrosion: Txiav txim siab corrosiveness ntawm steel khoom.
(5) Ib puag ncig thiab kev nyab xeeb ntsuas
Cov ntsiab lus ntawm cov hlau hnyav: txhuas, mercury, cadmium, arsenic, thiab lwm yam, ua tau raws li ib puag ncig kev cai.
Tag nrho cov nyiaj benzene derivatives: ua tau raws li kev noj qab haus huv thiab kev tiv thaiv ib puag ncig.
Biodegradability: Ntsuas ib puag ncig tus phooj ywg.
Kev xeem specifications
GB/T 6536: Kev txiav txim siab ntawm atmospheric distillation yam ntxwv ntawm cov khoom siv roj av (dej ntau yam).
GB / T 1884, GB / T 1885: Kev txiav txim siab ntawm qhov ntom ntom ntawm cov roj Crude thiab kua roj av.
GB / T 8017: Kev txiav txim siab ntawm Reid vapor siab ntawm cov khoom siv roj av.
GB / T 5096: Copper corrosion test method rau roj av.
GB/T 3555: Petroleum khoom - Kev txiav txim siab ntawm Saybolt xim.
GB / T 261: Kev txiav txim siab ntawm qhov taw tes ntawm cov khoom siv roj av (kab khob txoj kev).
GB / T 17040, GB / T 8020: Kev txiav txim siab ntawm cov ntsiab lus sulfur hauv cov khoom siv roj av.
GB / T 18608 ~ 18617: Kev txiav txim siab ntawm cov khoom siv hlau hauv cov khoom siv roj av (Iron, Nickel, Vanadium, thiab lwm yam).
GB/T 36565: Cov kev cai thiab cov qauv kev sim rau thee raws Fischer Tropsch synthesis ntawm naphtha.
GB / T 36566: Cov kev cai thiab cov qauv kev sim rau cov thee ncaj qha liquefaction ntawm naphtha.
SH/T 0714: Kev txiav txim siab ntawm PONA Group Composition hauv Naphtha los ntawm Gas Chromatography.
SH/T 0689: Kev txiav txim siab ntawm leej faj cov ntsiab lus hauv cov khoom siv roj av (UV fluorescence method).
SH/T 0604: Kev Txiav Txim Siab ntawm Cov Khoom Siv Roj Hmab (Vibration Tube Method).
SH/T 1757: Txoj kev rau kev txiav txim siab ntawm cov organic chlorine cov ntsiab lus (microcoulometric method).
NB/SH/T 0874: Kev txiav txim siab ntawm cov ntsiab lus arsenic hauv kev hloov pauv cov roj feedstock.
NB/SH/T 0969: Kev txiav txim siab ntawm tus nqi diene hauv cov khoom siv roj av.
SH/T 0242: Txoj kev txiav txim siab ntawm cov ntsiab lus txhuas hauv cov khoom siv roj av.
ASTM D86: Test Method for Atmospheric Distillation Characteristics of Petroleum Products.
ASTM D4052: Determination of Density and Relative Density of Petroleum Products (Vibration Tube Method).
ASTM D2622: Kev txiav txim siab ntawm cov ntsiab lus sulfur hauv cov khoom siv roj av los ntawm X-ray fluorescence spectroscopy.
ASTM D5453: Kev txiav txim siab ntawm cov ntsiab lus sulfur hauv cov khoom siv roj av los ntawm UV fluorescence method.
TS EN ISO 3405 Kev txiav txim siab ntawm atmospheric distillation yam ntxwv ntawm cov khoom siv roj av
TS EN ISO 12185 Kev txiav txim siab ceev ntawm cov khoom siv roj av (txoj kev vibrating tube).
TS EN ISO 20846 Kev txiav txim siab ntawm cov ntsiab lus sulfur hauv cov khoom siv roj av (UV fluorescence method).
tau tsim nyob rau hauv 2011. Raws li lub teb chaws siab -tech enterprise lees paub los ntawm Zhejiang Provincial Higher People's Tsev Hais Plaub raws li ib tug kev txiav txim authentication lub tsev rau kev tsim engineering zoo, peb tshwj xeeb nyob rau hauv structural kev soj ntsuam thiab kev nyab xeeb kev soj ntsuam ntawm kev tsim kho tej yaam num, tshwj xeeb cov cuab yeej, kev sib txuas lus yees, electromagnetic ib puag ncig, loj txuas hniav, thiab tsim kev ruaj ntseg appraisal appraisal.
Lub tuam txhab muaj ntau tshaj 100 tus kws tshaj lij thiab cov neeg ua haujlwm, tshaj 90% ntawm cov neeg tuav ntau yam nruab nrab thiab cov ntawv pov thawj kev tshaj lij. Nruab nrog cov cuab yeej ntsuas ua tiav muaj nqis tshaj RMB 10 lab, peb txoj kev lag luam npog tag nrho lub tebchaws.
