Method for synthesizing nanometer gama-Al2O3 by adopting solvent replacement/azeotropic distillation drying method and applications thereof
An azeotrope, drying technology, applied in the direction of alumina/aluminum hydroxide, flocculation/precipitation water/sewage treatment, etc., can solve problems such as easy agglomeration, prevent hard agglomeration, inhibit coalescence and growth, and expand application range effect
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[0037] The following examples describe the present invention in further detail.
[0038] The present invention tells about γ-Al by experiment 2 o 3 Preparation and application of:
[0039] Reagents and instruments:
[0040] Concentrated ammonia water, crystalline aluminum chloride, NaOH, HCl, n-butanol, commercially available polyaluminum chloride, organic polymer dispersant (polyethylene glycol HO(CH 2 CH 2 O) n H (Polyethylene Glycol, PEG MP: 600 to 800 and 5000), silver nitrate solution (0.1mol L -1 ), were analytically pure, and the experimental water was twice distilled water.
[0041] 500mL distillation flask, spherical condenser, crucible, electric heating constant temperature water bath H.H.S11-2K, far infrared fast dryer 766-3, electromagnetic centrifuge LXJ-64-01, contact voltage regulator TDGCZ-1KVA, X-ray microscopic tomography Technology XMT-8000, SB-3200 ultrasonic oscillator, LWMC-205 adjustable power microwave chemical reactor with reflux system, DZF6050...
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