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Experiment details | Dosage, mg·dm−3 | Ranking | Reference |
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Static method. Brine composition: CaCl2·2H2O 6,8 g·dm−3 (0,097 mol·dm−3); Na2SO4 7,1 g·dm−3 (0.074 mol·dm−3); pH = 7; 6 hours at 70°C | 5 | PA (3500 Da) > HMP > PA (10000 Da) > PBTC > HEDP > PA (50000 Da) | [12] |
Dynamic method: induction period and crystal growth velocity. Brine composition: CaSO4 0,0497 mol·dm−3; NaCl 0.4 mol·dm−3; pH = 7; 25°C | 0.5 | PA (3500 Da) > HMP > PA (10000 Da) > PBTC > HEDP > PA (50000 Da) | [13] |
Static method. Brine composition: [Ca2+] 2,0 g·dm−3 (0,097 mol·dm−3), [] 4,8 g·dm−3 (0,05 mol·dm−3) pH 7; 18 hours at 60°C | 5 | PASP (1–5 kDa) > PESA (0,4–1,5 kDa) | [15] |
Static method. Brine composition: [Ca2+] 0,097 mol·dm−3, [] 0.074 mol·dm−3; pH = 7; 10 hours at 60°C | 1 | PMA (600 Da) > PA (1800 Da) > PESA (1500 Da); | [9] |
5 | (1800 Da) > PESA (1500 Da) |
Static method. Brine composition: [Ca2+] 6,8 g·dm−3 (0.17 mol·dm−3), [] 7,1 g·dm−3 (0.07 mol·dm−3), pH = 7; 10 hours at 60°C | 2 | PBTC > PAA (1800 Da) > PESA (1500 Da) > HEDP | [18] |
Static method. Brine composition: CaSO4 0,045 mol·dm−3, pH = 7; 24 hours at 66°C | 1 | PA (2000 Da) > ATMP > PBTC > HEDP | [14] |
Static method. Brine composition: CaSO4 0,0045 mol·dm−3, pH = 7; 20 hours at 66°C | 2 | ATMP > PA (6 kDa) > PBTC > HEDP | [17] |
Static method. Brine composition: [Ca2+] 0,097 mol·dm−3, [] 0.074 mol·dm−3; pH = 7; 6 hours at 80°C | 2 | PMA (600 Da) > PA (1800 Da) | [16] |
Static method. Brine composition: [Ca2+] 0,097 mol·dm−3, [] 0.074 mol·dm−3; pH = 7; 6 hours at 80°C | 2 | PA (2000 Da) > PMA (1000 Da) > PA (6000 Da) | [20] |
Dynamic method: crystal growth velocity at 55°C. Brine composition: 0.045 mol·dm−3 CaCl2 and 0.045 mol·dm−3 Na2SO4 | 1 | PASP efficacy is comparable with industrial phosphonates | [7] |
Static method. Brine composition: CaCl2·2H2O 6,8 g·dm−3 (0,097 mol·dm−3); Na2SO4 7,1 g·dm−3 (0.074 mol·dm−3); pH = 7; 10 hours at 60°C | 3 | PA (1800 Da) > PMA (600 Da) > PESA (1500 Da) | [21] |
9 | PESA (1500 Da) ≥ PA (1800 Da) ≥ PMA (600 Da) |
Static method. Brine composition: [Ca2+] 0,051 mol·dm−3, [] 0.021 mol·dm−3; 10 hours at 80°C | 5 | PASP > PESA > HEDP | [22] |
Static method. Brine composition: CaCl2·2H2O 5,55 g·dm−3 (0,038 mol·dm−3), Na2SO4 5,33 g·dm−3 (0.038 mol·dm−3); NaCl 7,50 g·dm−3 (0.11 mol·dm−3) pH = 6-7; 24 hours at 71°C | 0.5 | (400–1500 Da) > PASP (1000–5000 Da) > | Our data |
3.0 | PAAS (3000–5000 Da) > HEDP > PBTC |
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