Graphene Oxide Freeze-drying Tshuab

Yog hais tias lub graphene oxide freeze-drying tshuab caters rau koj yuav tsum tau, txais tos mus yuav cov khoom zoo nyob rau hauv Tuam Tshoj los ntawm peb lub hoobkas. Peb yog ib qho ntawm cov kws tshaj lij thiab cov muag khoom nyob hauv Suav teb uas tuaj yeem muab cov kev pabcuam thiab cov nqi sib txawv rau koj. Thiab cov kev pabcuam customized kuj muaj. Tsis txhob yig ntxiv lawm.

 

Graphene Oxide Freeze-drying Tshuab

Lub graphene oxide npaj los ntawm lub freeze-drying tshuab muaj ib tug xoob thiab ntxeem tau morphology thiab uniform pore faib, uas yog yooj yim rau nws siv raws li ib tug precursor los npaj graphene thiab nws daim ntawv thov nyob rau hauv lub teb ntawm adsorbents thiab nanocomposites.

graphene oxide freeze-drying tshuab freeze-drying txoj kev muaj cov nram qab no cov kauj ruam:

a. Txoj kev txhim kho Hummers yog siv los npaj graphite oxide, flake graphite los yog graphite dag siv los ua raw khoom, thiab graphite oxide yog tau los ntawm oxidation intercalation cov tshuaj tiv thaiv;

b, teeb tsa graphite oxide tov nrog dej los yog ethanol raws li hnyav, ntxiv ib tug npaum li cas ntawm graphite oxide, 40 ± 10 degree C dej da dej, do, thiab ua ib tug tov; nyob rau hauv qhov sib xyaw ntawm graphite oxide thiab cov kuab tshuaj yog 100ml hnyav hnyav sib xws graphite oxide Qhov loj ntau yog 0.1-1Og;

C, ceev khov siv lub tshuab ziab khaub ncaws los yog kua nitrogen kom txias sai sai rau -150-20 degree, thiab ua kom qis qis, tom qab ntawd muab cov tshuaj tso rau hauv kauj ruam b rau hauv qhov chaw khov, ua kom cov tshuaj sib zog sai thiab ua kom khov, siv cov kuab tshuaj xws li dej, ethanol Thaum lub sij hawm sai crystallization thiab solidification, hydrogen bonds ua rau ib tug txias expansion kev kho mob uas ua rau kom lub ntim, yog li exfoliating kom tau graphene oxide;

d. Kev khiav tawm los ua kom cov kuab tshuaj sublime kom ntseeg tau tias qhov kub ntawm lub freezing chamber yog qis dua 0 degree kom cov tshuaj khaws cia rau hauv lub xeev solidified; siv lub tshuab nqus tsev twj tso kua mis kom txo cov cua siab hauv chav txias kom 200Pa lossis qis dua, kom cov kuab tshuaj sublimated;

e. Cov khoom tau txais kev tswj xyuas qhov kub thiab txias tsis tshua muaj lub xeev nyob rau hauv kauj ruam d kom txog thaum cov kuab tshuaj yog sublimated kiag li, daim txhuam cev zoo li graphene oxide tau, thiab cov khoom yog xoob thiab ntxeem tau. Siv cov kev daws teeb meem sib txawv ntawm graphite oxide, graphene oxide nrog cov porosity sib txawv tuaj yeem tau txais, qhov porosity yog 20-90 feem pua, thiab cov qauv morphological ntawm cov khoom sib txawv.

Parameter:

Qauv	KFD -1	KFD -2	KFD -5	KFD -10	KFD -20
Hom	(Kev coj tus cwj pwm)
Ice peev (Kg / batch)	15 KG	30 KG	75 KG	150 KG	300 KG
Condenser kub (degree )	< -45 C
Qhov kub thiab txias (degree)	-30 ~60 degree
Pre-freezing	(hauv qhov chaw qub)
Qhov chaw txee (m2)	1 m2	2 m2	5 m2	10 m2	20 m2
Tsis muaj rhawv	5 plus1	6 plus1	5 plus1	11 plus 1	14 plus1
Txee qhov ntev (m)	0.5*0.4	1.0*0.4	1.25*0.8	1.2*0.8	1.45*1.0
Txee qhov nrug (mm)	60	60	70	70	70
Nruab nrab	(Silicon Roj)
Tsis muaj cov tais	5pcs ib	12 pcs	30 pcs	66pcs ib	126 pcs
Qhov loj me (mm)	400*500	345*495	395*415	395*395	470*325
Cov tub yees	R404A
Txoj kev txias	(Air-cooled) / (Dej-txias)
Lub tshuab nqus tsev kawg (Pa)	10 pab
Txoj kev deforesting	(Cov dej kub) / (steam)
Tag nrho cov hwj chim (kW)	9 kws	13 kwv	20 kwv	40 kwv	50 kwv
Installation cheeb tsam (m2)	3	6	9	11	15
Chamber qhov ntev (m)	1.2*0.6*1.8	1.5*1.0*1.8	2.5*1.3*2	3.0*1.3*2.5	3.7*2*2.5
Qhov hnyav (kg)	1500	2000	2500	3800	8500

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