Types of Suppressant

Name

Formula

Advantage

Dust suppression performance

Years

Literature

Total dust

Respirable

Wetting Dust Suppressant

Coagulation-type coal mine spray dust suppressant

0.3%SDS + 0.25%BS-12 + 0.1%NaCl + 0.8% Hydroxypropyl guar

Improve wettability and coagulation performance

83.94%

84.08%

2020

Zhang (Zhang et al., 2020a)

Preparation of Wetting Dust Suppressant from Papermaking Waste

Sodium lignosulfonate grafted polyacrylamide branched chain (SLS-PAM):SDBS = 1:1

Shield metal ions, not affected by hard water downhole

——

2019

Li Shufang (Li, Tian, Xie, & Mang, 2019b)

New type coal dust chemical dust suppressant

0.20% polyacrylamide + 0.15% sodium alginate + 0.20% fatty alcohol polyoxyethylene ether + 0.09% lauryl trimethyl ammonium bromide + 0.01% tallow amine

High safety, low corrosion, PM2.5 dust removal rate is 77.3%

90.0%

82.4%

2020

Zhang Jiangshi (Zhang, Liu, & Fan, 2020b)

Crust Dust Suppressant

Microwave polymerization compound dust suppressant

Bentonite 1.0%, Tween-800.7%, Borax 1.0%, reaction temperature 35˚C

High wind erosion resistance, high total dust suppression rate

92.96%

84.62%

2019

Wang Zhenyu (Wang, 2019)

Dust suppressor for crusting in an open-pit coal mine

Hydroxyethyl cellulose: acrylamide: acrylic acid 1:2:6 initiator 1.0 mol%, crosslinking agent 0.8 mol% temperature 65˚C

Good environmental adaptability, cheap raw materials, simple preparation

84%

2018

Ma (Ma et al., 2018)

Modified Chitosan Cured Dust Suppressant

0.025% quaternary ammonium salt modified chitosan (HTCC)

High water solubility, viscosity, and durability

82.30%

2017

Liu (Liu et al., 2017)