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焚烧含盐有机废液添加剂对流化床床料烧结的影响 被引量:17
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作者 别如山 杨励丹 周定 《化工学报》 EI CAS CSCD 北大核心 2002年第12期1253-1259,共7页
研究分别以砂子和煤灰为床料,含盐废液在流化床中焚烧,添加剂CaO、Fe2O3、A12O3对阻止床料结焦的作用机理.结果表明,当砂子或煤灰中形成Na2CO3时,CaO、Fe2O3能够解决床料的结焦问题,而Al2O3却促进砂子的结焦.当砂子中含有NaCl时,A12O3... 研究分别以砂子和煤灰为床料,含盐废液在流化床中焚烧,添加剂CaO、Fe2O3、A12O3对阻止床料结焦的作用机理.结果表明,当砂子或煤灰中形成Na2CO3时,CaO、Fe2O3能够解决床料的结焦问题,而Al2O3却促进砂子的结焦.当砂子中含有NaCl时,A12O3能很好地解决砂子的结焦问题,而CaO、Fe2O3虽然对防止结焦有效果,但不能根本解决砂子的结焦问题.当煤灰中含有NaCl时,CaO、Fe2O3对于防止床料的结焦效果较好,而A12O3反而造成严重结焦.研究结果为含盐有机废液在流化床中焚烧时防止床料结焦选择合适的添加剂提供理论依据. 展开更多
关键词 焚烧 含盐有机 添加剂 床料 烧结 流化床 CAO FE2O3 AL2O3 废汽处理 氧化铁 氧化钙 氧化铝
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Use of Waste Vegetable Biomasses Treated by Steam Explosion for the Horticultural Crop Protection
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作者 U. De Corato N. Sharma F. Zimbardi 《Journal of Agricultural Science and Technology(B)》 2011年第4期540-549,共10页
The purpose of this study was to assess the suppressive effect of Waste Vegetable Biomasses (WVBs) treated by the Steam Explosion technique in a continuous plant, against soil-borne plant pathogens. In order to asse... The purpose of this study was to assess the suppressive effect of Waste Vegetable Biomasses (WVBs) treated by the Steam Explosion technique in a continuous plant, against soil-borne plant pathogens. In order to assess their disease suppression, five WVBs (Miscanthus biomass, durum wheat straw, rice straw, corn stalk and wood shaving) and commercial compost were tested in vivo at three different doses (10, 20 and 30% of potting mix) on seven horticultural pathosystems plant/fungus: tomato/Phytophthora nicotianae, cucumber/Pythium ultimum, lettuce/Fusariurn oxysporum f. sp. lactucae, melordFusariurn oxysporum f. sp. melonis, bearffRhizoctonia solani, eggplant/Verticillium dahlie and fennel/Sclerotinia sclerotiorum. The results showed that the corn stalk was more efficient respect to Miscanthus, compost, wheat straw, rice straw and wood shaving in all the patbosystems and at all the doses tested. The corn stalk suppression ranged from 97% in eggplant/F, dahliae to 35% in lettuce/F, oxysporum f. sp. lactucae, and it was significantly higher with respect to the other substrates. In general, the wheat straw, rice straw and wood shaving were statistically found less efficient as suppressive substrate with respect to corn stalk, Miscanthus and compost at the 30% dose in four pathosystems In particular, the wood shaving suppressiveness ranged from 48% in eggplant/V, dahliae to 12% in lettuce/F, oxysporum f. sp. lactucae. The different suppressiveness observed could be attributed to different concentration of the microbial inhibitory substances (furfurals, organic acids and lignosulfonates) produced during the processing of fresh biomass. 展开更多
关键词 COMPOST disease suppression soil-borne plant pathogen steam explosion waste vegetable biomass.
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