水蒸气氛围下甘蔗渣热解气化条件的研究

在试验条件下，考察反应温度、升温速率、物料颗粒大小等因素对蔗渣在水蒸气中的热解气化特性的影响。试验结果表明，热解终温越高，物料粒径越小，越有利于产生高质量的热解气。热解终温是热解气化过程主要的决定因素，在先到达热解终温，再通入水蒸气的操作条件下，升温速率的改变对气化效果的影响并不突出。试验在最佳条件(采用粉末物料，在1000℃下进行热解)下，可以得到高热值(10MJ／m^3)合成气和较高的产气率(1．7m^3／kg)。     

福建省甘蔗新品种区域试验研究

通过2001～2002年2年(2新1宿)6个地点的区域试验，参试的甘蔗新品种中闽糖86—2121。粤农91—854表现出高产。稳产、适应性较广的特点，蔗茎产量比闽糖70—611增少达极显著水平，与闽糖86—05增少(或减少)不显著，含糖量比闽糖70—611增少21．82％和12．86％，比闽糖86—05增少0．41％和减少6．98％，适宜于福建蔗区示范推广。闽糖93—246蔗茎产量比闽糖70—611增少不显著，比闽糖86—05减少达显著水平，适应性一般，宿根性较差，含糖量比闽糖70—611增少9．86％，比闽糖86—05减少9．46％，可保留区试。粤C25、福农93—3608蔗茎产量比闽糖70—611减少达不显著和显著水平，比闽糖86—05减少达极显著水平、适应性广，稳产性一般，含糖量比2个对照种都有不同程度的减少，不适宜在福建蔗区示范推广。     

奥特有机微肥在甘蔗上应用效果研究

与施用等量有效Ｎ、Ｐ、Ｋ成分的化学肥料比较，甘蔗施用奥特肥时，在生长中后期甘庶叶的Ｎ、Ｐ、Ｋ含量和总叶绿素含量较高，产量构成性状较好，蔗茎产量显著较高，而糖锤度差异不大。     

几个国外甘蔗引进种的试验表现及利用价值分析

云南甘科所近年从国外引进一大批甘蔗新品种(系)，2002年与当地主栽品种桂糖11号进行正规品比试验，参试的7个品种(系)在出苗、分蘖、生势、蔗产量、糖分和含糖量皆表现出较大的差异。对试验结果进行综合分析，早熟或特早熟种有Mex73／523和FR93／435，中熟种有Mex57／473和CP85／1308，中晚-晚熟种有FR93／873、FR93／1054和FR93／344。     

A study on the recovery of xylitol by batch adsorption and crystallization from fermented sugarcane bagasse hydrolysate

Xylitol was recovered from fermented sugarcane bagasse hemicellulosic hydrolysate by adsorption and crystallization procedures. Silica gel adsorption was employed to purify the broth containing xylitol. In this step, different mixtures of the solvents ethyl acetate, ethanol and acetone were used as eluent, and different proportions of fermented broth volume incorporated per gram of silica gel (V_b/M_sg, varying from 1.0 to 2.0 cm³ g^?1) were used to pack the column employed as stationary phase bed. The xylitol purification efficiency varied for each mixture of solvent, and for each V_b/M_sg ratio used. The purified broth was submitted to different crystallization procedures (cooling, concentration and supplementation with commercial xylitol) aiming to recover xylitol crystals. The best result (60% crystallization yield and 33% total recovery of xylitol from fermented broth) was obtained when the column was packed with a V_b/M_sg ratio of 2 cm³ g^?1, and the broth was purified with a mixture of ethyl acetate and ethanol, concentrated 6.5‐fold, and supplemented with commercial xylitol to force the precipitation. Copyright © 2006 Society of Chemical Industry     

Simulation and analysis of a sugarcane juice evaporation system

The production of sugar and alcohol is the main objective of the sugarcane processing industry. The evaporation of sugarcane juice has a high energetic cost and is usually performed in multiple-effect evaporators. The loss of performance during operation due to fouling makes the process more complex. In this study, modeling, simulation, validation, and analysis were performed for a sugarcane juice industrial evaporation system (IES) composed of a falling film evaporator followed by three short vertical-tube evaporators arranged in parallel. The IES model was developed using a commercial process simulator and validated with data from the plant. The IES had marked performance losses in the first 14 days of operation, mainly due to fouling in the first effect, with a 30% decrease in the evaporation rate.     

光催化漂白硫酸盐蔗渣浆及漂后浆的红外光谱分析

对5种光敏剂用于硫酸盐蔗渣浆漂白进行研究,发现在同一条件下,曙红和玫瑰红光催化漂白硫酸盐蔗渣浆效果较好,在漂白过程中共轭羰基(-C=O)发生了较多断裂。EO进行光催化漂白较加AO、LF、RB和MB4种光敏剂有利于紫丁香基型木素的降解。并且在加各种光敏剂进行光催化漂白过程中,纤维素主链的特征吸收峰都发生了一定程度的下降,而加曙红、玫瑰红和亚甲蓝时吸收峰下降较大。     

29%甘蔗杀虫复混肥在甘蔗上的药肥效研究

进行了施用29%三合一甘蔗杀虫复混肥的试验,在甘蔗全生育期,共施3000 kg/hm2。第1次为基肥,施1500kg/hm2,施肥后65天,对蔗龟等甘蔗害虫防效达76.33%。第2次为追肥,施1500 kg/hm2,施肥后45天,防效达73.08%。该药肥对苗期甘蔗株高、叶数、叶长都有较好效果,其最终产量比29%对照复混肥增产14.85 t/hm2,增产率为24.87%。增产的主要原因是甘蔗有效茎数、茎径和单茎重的增加。该药肥对甘蔗株高影响不大。     

化学防治在甘蔗地下害虫防治中的作用及前景

本文从我国近60年来化学农药在甘蔗害虫防治中的重要贡献,论述了化学农药在甘蔗地下害虫防治中的重要性。同时,也就化学农药存在的负面效应,提出对化学农药的反思,并探讨了未来农药以及甘蔗地下害虫农药的发展趋势和方向。     

巴基斯坦甘蔗科研生产考察报告

为制定一份详细的、具有可操作性的中巴甘蔗农业研究合作项目实施方案,应巴基斯坦农业研究委员会(Pakistan Agricultural Research Council)的邀请,广州甘蔗糖业研究所李奇伟所长等5人组成考察团,于2009年10月17～25日赴巴基斯坦对信德(Sindh)省甘蔗糖业科研和生产情况进行了全面、深入的实地考察和调研。