A kind of cellulose carbon-based nano zero-valent iron material and preparation method thereof
A carbon-based nano, cellulose-based technology, applied in the direction of carbon preparation/purification, chemical instruments and methods, physical/chemical process catalysts, etc., can solve problems such as poor controllability, poor loading capacity, and uneven distribution of iron particles. Achieve the effects of improved loading efficiency, increased nano-zero-valent iron content, and simple process flow
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Embodiment 2
[0055] 3, Example 2: Preparation of Polyethylene glycol 400 regulate cellulose carbon-based nano zero-free iron material
[0056] Step 1. Pre-treatment of cellulose base biomass
[0057] The cellulose-based biomass different from the source is pretreated, removes the irrelevant impurities, and cuts it to a length of 1.0 cm, and the weight of 5 g of raw materials is placed in a 100 ml tapered bottle, and 45 ml deionized water is added. It was stirred at 500 rpm / min for 3 h, and a concentration of about 10% by weight of mixed slurry was configured.
[0058] Step 2. Water heat regulation process
[0059] S1: Take the above slurry 50 ml (about 5.0 g of modified cellulose 5.0 g) in a 250 ml tapered bottle, and then add 10 GFECL3 · H2O solids in the aforementioned tapered bottle, copolymerization balance 24h;
[0060] S2: Take the above-mentioned iron-containing cellulosic slurry 50 ml placed in a hydrothermal reaction kettle, and then add 10 ml of polyethylene glycol 400 into the hyd...
Embodiment 6
[0091] 7. Example 6: Preparation of methanol regulate cellulose carbon-based nano zero-coate iron material
[0092] Step 1. Pre-treatment of cellulose base biomass
[0093] The cellulose-based biomass different from the source is prepared, removes the irrelevant impurities, and cuts it to the length of 2 cm, and the weight of 10 g of raw materials is placed in a 75ml conical bottle, and 45 ml of deionized water is added. 400 rpm / min was stirred for 10 h, configured as a concentration of about 10% by weight of mixed slurry, spare.
[0094] Step 2. Water heat regulation process
[0095] S1: Take the above slurry 25 ml (about 2.50 g of modified cellulose 2.50 g) in a 250 ml tapered bottle, and then add 10 GFECL3 · H2O solids in the aforementioned tapered bottle, and a co-precharge is equilibrium 24h;
[0096] S2: Take the above-mentioned iron-containing cellulose slurry 25ml placed in a hydrothermal reaction kettle, and 5 ml of methanol is added to the hydrothermal reaction kettle,...
Embodiment 7
[0100] 8. Example 7: Preparation of ethanol regulation of cellulose carbon-based nano zero-coate iron material
[0101] Step 1. Pre-treatment of cellulose base biomass
[0102] The cellulose-based biomass different from the source is prepared, removes the irrelevant impurities, and cuts it to a length of 1.0 cm, and the weight of 10 g of raw materials is placed in a 100 ml tapered bottle, and 40 ml of deionized water is added. The mixture was stirred at 800 rpm / min, and a concentration of about 10% by weight of a mixed slurry was configured.
[0103] Step 2. Water heat regulation process
[0104] S1: Take 40 ml of the slurry 40 ml (about 40.0.0 g) in a 250 ml tapered bottle, and then add 50 g FECl3 · H2O solids in the aforementioned tapered bottle, and a co-precharge is equilibrium 24h;
[0105] S2: Take the above-mentioned adsorbed cellulose slurry 30 ml in a hydrothermal reaction kettle, and then add 20 ml of ethanol to the hydrothermal reaction kettle, and the alcohol regulat...
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