Table 1 Comparison between the yields of titanate with the other published work using the same preparation technique
From: Improved production of titanate nanotubes by hydrothermal method for adsorption of organic dyes
Starting materials | Weight of TiO2 for each 100 ml NaOH | Yield of Na2Ti3O7 for each 100 ml NaOH | Reaction time | Reaction temperature | Reactor capacity | References |
|---|---|---|---|---|---|---|
2.5 g TiO2 (Anatase) + 200 mL of 10 M NaOH | 1.25 | 1.56 | 20 h | 130 °C | Capacity 250 mL | [27] |
750 mg of P25 Degussa was mixed with three different NaOH 100 mL | 0.75 | 0.94 | 24 h | 120 °C | 100 mL | [28] |
2.0 g of P25 was mixed with 60 mL of 10 M NaOH | 3.3 | 4.12 | 48 h | 150 °C | 100 mL | [29] |
P25 (1.0 g) powder was added to 13 mol L−1 NaOH solution (50 mL) | 1.5 | 2.5 | 24 h | 150 °C | 100 mL | [30] |
500 ml of 10 N NaOH (purity 99.1%) aqueous solution and 10 g of pure TiO2 | 2 | 2.5 | 23 h | 160 °C | 1000 ml capacity | [31] |
6 g of TiO2 (Degussa P25) powder was mixed in 180 ml of 10 N sodium hydroxide | 3.3 | 4.12 | 24 h | 135 °C | 200 ml | [32] |
1.0 g TiO2 powder was added to 80 ml of 10 M NaOH solution | 1.25 | 1.56 | 5 days | 180 °C | 100 ml | [33] |
5 g TiO2 (Anatase) + 250 mL of 10 M NaOH | 2 | 2.5 | 16 h | 160 °C | 500 ml | [17] |
5 g TiO2 (Anatase) + 250 mL of 10 M NaOH | 2 | 2.5 | 16 h | 160 °C | 500 ml | [24] |
5 g TiO2 (Anatase) + 250 mL of 10 M NaOH | 2 | 2.5 | 16 h | 160 °C | 500 ml | [23] |
5 g TiO2 (Anatase) + 250 mL of 10 M NaOH | 2 | 2.5 | 16 h | 160 °C | 500 ml | [22] |
10 g TiO2 (Anatase) + 500 mL of 10 M NaOH | 2 | 2.5 | 23 h | 160 °C | 1000 ml | [34] |
10 g TiO2 (Anatase) + 500 mL of 10 M NaOH | 2 | 2.5 | 23 h | 160 °C | 1000 ml | [35] |
10 g TiO2 (Anatase) + 500 mL of 10 M NaOH | 2 | 2.5 | 20 h | 160 °C | 1000 ml | [25] |
10 g TiO2 (Anatase) + 500 mL of 10 M NaOH | 2 | 2.5 | 23 h | 160 °C | 1000 ml | [21] |
10 g TiO2 (Anatase) + 500 mL of 10 M NaOH | 2 | 2.5 | 23 h | 160 °C | 1000 ml | [19] |
10 g TiO2 (Anatase) + 500 mL of 10 M NaOH | 2 | 2.5 | 23 h | 160 °C | 1000 ml | [36] |
10 g TiO2 (Anatase) + 500 mL of 10 M NaOH | 2 | 2.5 | 23 h | 160 °C | 1000 ml | [37] |
50 g TiO2 (Anatase) + 500 mL of 10 M NaOH | 10 | 12.5 | 23 h | 160 °C | 1000 ml | Current work |