A kind of ramie bone adsorbent used as adsorbent and preparation method thereof
A ramie bone and adsorbent technology, which is applied in the field of ramie bone adsorbent and its preparation, can solve the problems of unseen industrialized production and few ramie stalks, etc., and achieves strong adsorption capacity, large adsorption capacity and good adsorption effect. Effect
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Embodiment 1
[0010] The reactive brilliant red X-3B solution (50mL) of the ramie stalk sawdust (1g) obtained by sieving through a 12-mesh weight sieve after crushing and 0.5g / L was added to the steel cup of the rotary infrared dyeing machine for adsorption (adsorption Time 60min, temperature 30 ℃), its adsorption rate is only 12%.
[0011] Sieve 100 g through a 12-mesh weight sieve to obtain ramie bone sawdust, select 300 mL of 30% NaOH solution, and carry out alkalization treatment at room temperature for 3 hours to obtain alkaline ramie bone. Then the prepared alkaline ramie bone 50g was added into 300mL isopropanol respectively with 40mL concentration of 30% (w / v) NaOH solution and 90g concentration of 50% (w / v) 3-chloro-2-hydroxy Propyltrimethylammonium chloride was reacted at 30°C for 1 h, after the reaction, the pH was adjusted to neutral with 10% hydrochloric acid, washed, suction filtered, and dried.
[0012] The prepared ramie bone adsorbent (1g) and 0.5g / L reactive brilliant red...
Embodiment 2
[0014] The ramie stalk sawdust (1g) obtained by sieving through a 12-mesh weight sieve after crushing is packed in an adsorption column (diameter 2cm), and the reactive brilliant red X-3B solution (50ml) of 0.5g / L is passed from the bottom of the adsorption column , use a peristaltic pump to pump the dye liquor wastewater at the bottom of the adsorption column to the top of the adsorption column to form a reflux, the adsorption time is 60min, and the adsorption rate is only 11%.
[0015] Sieve 100 g through a 12-mesh weight sieve to obtain ramie bone sawdust, select 300 mL of 30% NaOH solution, and carry out alkalization treatment at room temperature for 3 hours to obtain alkaline ramie bone. Then the prepared alkaline ramie bone 45g was added into 300mL isopropanol respectively with 45mL concentration as 30% (w / v) NaOH solution and 100g concentration as 50% (w / v) 3-chloro-2-hydroxy Propyltrimethylammonium chloride was reacted at 30°C for 1 h, after the reaction, the pH was ad...
Embodiment 3
[0018] The ramie stalk sawdust (1g) obtained by sieving through a 12-mesh weight sieve after crushing and the active bright orange K-GN solution (50mL) of 0.6g / L were added to the steel cup of the rotary infrared dyeing machine for adsorption (adsorption Time 70min, temperature 40 ℃), its adsorption rate is only 10%.
[0019] Sieve 100 g through a 12-mesh weight sieve to obtain ramie bone sawdust, select 300 mL of 30% NaOH solution, and carry out alkalization treatment at room temperature for 3 hours to obtain alkaline ramie bone. Then add 50mL concentration of 30% (w / v) NaOH solution and 110g concentration of 50% (w / v) 3-chloro-2-hydroxyl in 300m isopropanol to the prepared alkaline ramie bone 40g Propyltrimethylammonium chloride was reacted at 30°C for 1 h, after the reaction, the pH was adjusted to neutral with 10% hydrochloric acid, washed, suction filtered, and dried.
[0020] Add the prepared ramie bone adsorbent (1g) and 0.6g / L active brilliant orange K-GN solution (50...
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