سامانه مدیریت نشریات علمی دانشگاه کاشان

روستایی, فاطمه, خواجه مهریزی, محمد, اخیری, حسن, محمودی, جعفر. (1405). Effectiveness of a Novel Biopolymer-Based Mulch in Reducing Particulate Emissions from Iron Ore Concentrate Piles Located in Arid Lands. سامانه مدیریت نشریات علمی, 15(50), 35-51. doi: ‎10.22052/deej.2026.258005.1128
فاطمه روستایی; محمد خواجه مهریزی; حسن اخیری; جعفر محمودی. "Effectiveness of a Novel Biopolymer-Based Mulch in Reducing Particulate Emissions from Iron Ore Concentrate Piles Located in Arid Lands". سامانه مدیریت نشریات علمی, 15, 50, 1405, 35-51. doi: ‎10.22052/deej.2026.258005.1128
روستایی, فاطمه, خواجه مهریزی, محمد, اخیری, حسن, محمودی, جعفر. (1405). 'Effectiveness of a Novel Biopolymer-Based Mulch in Reducing Particulate Emissions from Iron Ore Concentrate Piles Located in Arid Lands', سامانه مدیریت نشریات علمی, 15(50), pp. 35-51. doi: ‎10.22052/deej.2026.258005.1128
روستایی, فاطمه, خواجه مهریزی, محمد, اخیری, حسن, محمودی, جعفر. Effectiveness of a Novel Biopolymer-Based Mulch in Reducing Particulate Emissions from Iron Ore Concentrate Piles Located in Arid Lands. سامانه مدیریت نشریات علمی, 1405; 15(50): 35-51. doi: ‎10.22052/deej.2026.258005.1128

Effectiveness of a Novel Biopolymer-Based Mulch in Reducing Particulate Emissions from Iron Ore Concentrate Piles Located in Arid Lands

مهندسی اکوسیستم بیابان
مقاله 3، دوره 15، شماره 50، خرداد 1405، صفحه 35-51    اصل مقاله (1.34 M)
نوع مقاله: مقاله پژوهشی
شناسه دیجیتال (DOI): ‎10.22052/deej.2026.258005.1128
نویسندگان
فاطمه روستایی* 1؛ محمد خواجه مهریزی2؛ حسن اخیری3؛ جعفر محمودی4
1دانشکده کشاورزی و منابع طبیعی، گروه مهندسی طبیعت، دانشگاه اردکان، یزد اردکان.
2دانشکده مهندسی نساجی، دانشگاه یزد، یزد، ایران
3پژوهش و توسعه مجتمع صنعتی چادرملو، شرکت معدنی و صنعتی چادرملو، یزد، ایران
4گروه شیمی، دانشکده علوم، دانشگاه پیام نور اردکان، یزد، ایران.
چکیده
In the mining and steel industry situated in arid lands, significant concentrations of particulate matter (PM) are emitted from raw material storage sites, particularly from iron ore piles and concentrate storage piles. In this study, the effectiveness of BDS mulches, a novel biopolymer-based mulch, was compared with slurry lime and sugarcane molasses as conventional compounds for covering iron concentrate storage piles to control wind erosion. The experiments were conducted using a factorial design within a randomized complete block design. BDS at concentrations of 1% and 2%, slurry lime at 10%, and molasses at 20% solution concentrations were prepared. Each treatment was sprayed onto three trays filled with concentrate. The prepared sample trays were subjected to wind erosion tests in a wind tunnel after 1, 2, and 3 weeks following preparation. Among the selected treatments, BDS at 2% (BDS2%) exhibited the highest efficiency, reducing wind erosion to 0.34 kg/m²/h compared to 2.1 kg/m²/h in the control treatment, and increasing the erosion threshold velocity to 54 km/h, whereas the control had a threshold of only 26 km/h. Slurry lime offered lower resistance to wind erosion, with an erosion rate of 1.8 kg/m²/h and a threshold velocity of 39.6 km/h. The effectiveness of molasses and BDS at 1% (BDS1%) was similar, with erosion rates of 1.1 and 1.2 kg/m²/h, and threshold velocities of 47.5 and 48.2 km/h, respectively. Moreover, the effectiveness of the mulches diminished over time, with erosion rates increasing by an average of 35–50% from week 1 to week 3. Considering the advantages of the new material—including environmental compatibility, no negative effects on pellet quality, and favorable efficiency in protecting against wind erosion—it can replace conventional compounds as a mulch for iron concentrate piles.
کلیدواژه‌ها
Mulch؛ BDS؛ Wind Erosion؛ Threshold Velocity
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