Experimental study on ratio optimization and application of improved bonded dust suppressant based on wetting effect

Figures & data

Figure 1. Wetting process of Gemini surfactant solution.

Figure 2. Size distribution of dust sample.

Figure 3. FTIR result of Gemini bonded dust suppressant.

Table 1. The results of Box-Behnken design and response surface design.

NO.	CMS	SAP	Gemini solution	Water loss rate (%)	Moisture retention rate (%)	Wind erosion rate (%)	Viscosity (mPa·s)
1	2.50	0.10	1.05	1.15	3.21	3.10	50.85
2	2.50	0.05	1.55	1.28	2.83	3.21	44.66
3	2.50	0.15	1.55	0.92	3.90	2.80	54.17
4	2.00	0.15	1.00	1.40	3.65	3.55	25.47
5	2.00	0.15	2.05	1.62	3.61	3.92	14.63
6	2.00	0.10	1.55	1.80	2.71	4.00	7.87
7	2.00	0.10	1.55	1.68	2.90	4.17	7.87
8	2.00	0.05	1.05	1.58	2.55	3.79	20.73
9	2.50	0.10	2.05	1.39	3.00	3.43	27.89
10	2.00	0.05	2.05	1.69	2.20	4.10	8.53
11	2.00	0.10	1.55	1.74	2.71	4.00	7.87
12	1.50	0.10	1.05	1.96	2.47	4.20	2.55
13	1.50	0.15	1.55	1.56	3.42	3.64	20.95
14	1.50	0.10	2.05	1.86	2.80	4.32	2.92
15	2.00	0.10	1.55	1.70	2.40	3.80	7.87
16	2.00	0.10	1.55	1.63	2.87	4.18	7.87
17	1.50	0.05	1.55	1.72	1.93	4.30	4.35

Figure 4. Evaporation and surface change of dust samples after different treatment methods.

Figure 5. Relationship between moisture content, wind erosion rate and test time.

Figure 6. Photos of field application test.

Figure 7. Relationship between dust concentration and test time.

Table 2. The comparison results of use cost.

Category	Gemini dust suppressant	Multi-functional dust suppressant	Water
Annual working days $T\left(d\right)$	300	300	300
Effective time $t\left(d\right)$	15	8	1/3
Single spraying amount $G\left(t\right)$	150	150	150
Materials unit cost $X_1$($\mathrm{y}\mathrm{u}\mathrm{a}\mathrm{n}/\mathrm{t}$)	590	400	3
Total annual material cost $Y_1\left(\mathrm{y}\mathrm{u}\mathrm{a}\mathrm{n}\right)$ $Y_1=T/t\times G\times X$	1,770,000	2,250,000	405,000
Single spraying cost $X_2\left(\mathrm{y}\mathrm{u}\mathrm{a}\mathrm{n}\right)$	998	998	998
Annual spraying cost $Y_2\left(\mathrm{y}\mathrm{u}\mathrm{a}\mathrm{n}\right)$ $Y_2=T/t\times X_2$	19,960	37,425	898,200
Annual material preparation cost $Y_3\left(\mathrm{y}\mathrm{u}\mathrm{a}\mathrm{n}\right)$	28,000	28,000	0
Total annual cost $Y\left(\mathrm{y}\mathrm{u}\mathrm{a}\mathrm{n}\right)$ $Y=Y_1+Y_2+Y_3$	1,817,960	2,315,425	1,303,200

Data availability statement

All data generated or analyzed during this study are included in this published article.