Effects of Nitrogen Fertilization on Growth of Populus sibirica and Ulmus pumila Seedlings and Soil Properties in a Semi-Arid Area, Mongolia

장한나,; 한승현,; 김성준,; 박민지,; 안지애,; 강호덕,; 이명종,; Akhmadi, Khaulenbek; 손요환,

doi:10.15531/ksccr.2015.6.3.249

Cited by 1 publication

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“…Therefore, if applied in practice, an aqueous ammonium sulfate solution should be transported to the tank lorry for use, or additional facilities (e.g., dryer, crystalizer) should be used in the production process to supply it in powder form [ 56 , 57 ]. Besides, ammonium sulfate fertilizer does not cause acidification, and the rice yield increases by about 3% in reclaimed lands, alpine regions, and limestone regions compared with urea fertilizers [ 58 , 59 ].…”

Section: Resultsmentioning

confidence: 99%

Selective Sulfur Dioxide Absorption from Simulated Flue Gas Using Various Aqueous Alkali Solutions in a Polypropylene Hollow Fiber Membrane Contactor: Removal Efficiency and Use of Sulfur Dioxide

Park

Kang

et al. 2021

IJERPH

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Hollow fiber membrane contactors (HFMCs) provide a large specific surface area. Thus, their significantly reduced volume provides an advantage compared to the conventional gas–liquid contactor. In this study, the selective removal efficiency of flue gas, in which sulfur oxide (SO2) and carbon dioxide (CO2) coexist, was measured using a polypropylene (PP) HFMC with such advantages. To increase the selective removal efficiency of SO2, experiments were conducted using various alkaline absorbents. As a result, with 0.05 M ammonia solution, the removal efficiency of 95% or more was exhibited with continuous operation for 100 h or more. We confirmed that the absorbent saturated by the once-through mode was aqueous ammonium sulfate ((NH4)2SO4) solution and could be used as a fertilizer without additional processing.

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Section: Resultsmentioning

confidence: 99%