A novel process, microwave assisted catalytic wet air oxidation(MW-CWO), was applied for the degradation of H-acid(1-amino-8-naphthol-3, 6-disulfonic acid) in aqueous solution. Ni-loaded granular activated carbon(GAC)...A novel process, microwave assisted catalytic wet air oxidation(MW-CWO), was applied for the degradation of H-acid(1-amino-8-naphthol-3, 6-disulfonic acid) in aqueous solution. Ni-loaded granular activated carbon(GAC), prepared by immersion-calcination method, was used as catalyst. The results showed that the MW-CWO process was very effective for the degradation of H-acid in aqueous solution under atmospheric pressure with 87.4% TOC (total organic carbon) reduction in 20 min. Ni on GAC existed in the form of NiO as specified by XRD. Loss of Ni was significant in the initial stage, and then remained almost constant after 20 min reaction. BET surface area results showed that the surface property of GAC after MW-CWO process was superior to that of blank GAC.展开更多
With the development of science and technology, intelligent technology has been gradually applied in coal mines. Mechanical and electrical transportation is an important link in coal mine production, and it is very ne...With the development of science and technology, intelligent technology has been gradually applied in coal mines. Mechanical and electrical transportation is an important link in coal mine production, and it is very necessary to realize the intelligent mechanical and electrical transportation. By analyzing the application of intelligent technology in mine elevator, power supply system and belt conveyor, it is found that the role of intelligent technology on coal mine mechanical and electrical transportation mainly improves the reliability of power supply, improves the stability and safety of the transportation process, improves the efficiency of transportation and reduces the cost of transportation. It is hoped that the research content can provide some reference for understanding the intelligence of electromechanical transportation in coal mine.展开更多
Here, the “Chinese currency area” refers to currency-operational areas or scope where Chinese currency circulates as a single currency. Although the scale and aggregate size of the economies of the Chinese mainland,...Here, the “Chinese currency area” refers to currency-operational areas or scope where Chinese currency circulates as a single currency. Although the scale and aggregate size of the economies of the Chinese mainland, Taiwan, Hong Kong and Macao differ sharply, their per capita GDPs do not differ as much. This indicates that currency unification in these areas is in some sense feasible.展开更多
基金The Hi Tech Research and Development Program(863) of China(No. 2002AA649090) and the National Basic Research Program(973) of China(No.2003CB415006)
文摘A novel process, microwave assisted catalytic wet air oxidation(MW-CWO), was applied for the degradation of H-acid(1-amino-8-naphthol-3, 6-disulfonic acid) in aqueous solution. Ni-loaded granular activated carbon(GAC), prepared by immersion-calcination method, was used as catalyst. The results showed that the MW-CWO process was very effective for the degradation of H-acid in aqueous solution under atmospheric pressure with 87.4% TOC (total organic carbon) reduction in 20 min. Ni on GAC existed in the form of NiO as specified by XRD. Loss of Ni was significant in the initial stage, and then remained almost constant after 20 min reaction. BET surface area results showed that the surface property of GAC after MW-CWO process was superior to that of blank GAC.
文摘With the development of science and technology, intelligent technology has been gradually applied in coal mines. Mechanical and electrical transportation is an important link in coal mine production, and it is very necessary to realize the intelligent mechanical and electrical transportation. By analyzing the application of intelligent technology in mine elevator, power supply system and belt conveyor, it is found that the role of intelligent technology on coal mine mechanical and electrical transportation mainly improves the reliability of power supply, improves the stability and safety of the transportation process, improves the efficiency of transportation and reduces the cost of transportation. It is hoped that the research content can provide some reference for understanding the intelligence of electromechanical transportation in coal mine.
文摘Here, the “Chinese currency area” refers to currency-operational areas or scope where Chinese currency circulates as a single currency. Although the scale and aggregate size of the economies of the Chinese mainland, Taiwan, Hong Kong and Macao differ sharply, their per capita GDPs do not differ as much. This indicates that currency unification in these areas is in some sense feasible.
