Dioxins are unwanted by products of a wide range of manufacturing processes including smelting, chlorine bleaching of paper pulp and the manufacturing of some herbicides and pesticides.
二恶英是冶炼、纸浆氯漂白和一些除草剂和杀虫剂制造等各种生产过程的有害副产品。
Operate and monitor screening equipment, bleaching equipment, digesters, mixing tanks, washers, and other pulp processing machinery and equipment to carry out one or more cellulose processing steps.
操作和监视筛分设备,漂白设备,沼气池,搅拌罐,垫圈及其他浆粕加工机械和设备,开展一个或多个纤维素处理步骤。
The prospect of application for sodium molybdate, particularly the application in the corrosion inhibitor bleaching of chemical pulp and cleaning industry etc. were described briefly.
简要叙述了钼酸钠的应用前景,特别是在缓蚀、化学纸浆漂白和清洗工业领域的应用。
ECF and TCF bleaching for RDH and traditional sulfate pulp of eucalyptus were studied, and a comparison with elemental chlorine-containing bleaching was made.
对桉木rdh硫酸盐浆和常规硫酸盐浆的ECF和TCF漂白进行了研究,并与有元素氯漂白进行了对比。
The effect of xylanase pretreatment conditions and bleaching technologies on production of AOX in bagasse kraft pulp bleaching effluent was studied.
研究了蔗渣浆木聚糖酶促漂白中酶处理条件和漂白工艺对漂白废水可吸附有机卤化物(AOX)发生量的影响。
The effects of the three main process variables(time, temperature and thiourea dioxide charge)on thiourea dioxide(TD)bleaching of pulp from recycled old newspaper were studied.
就二氧化硫脲(TD)漂白中的三个主要过程参数(时间、温度和TD用量)对回收旧报纸浆漂白的影响进行了研究。
In this paper, the protection measures of carbohydrate during pulp TCF bleaching, such as oxygen, ozone, peroxide, peracid and photochemistry reaction of bleaching, were summarized respectively.
本文综述了纸浆的氧气漂白、臭氧漂白、过氧化氢漂白、光催化漂白、过氧酸漂白中碳水化合物的保护措施。
Elemental chlorine-free bleaching of Eucalyptus prehydrolysis kraft pulp was studied and results were compared with minimum chlorine bleaching.
对桉木预水解硫酸盐浆无元素氯漂白方法进行了研究,并与少氯漂白方法比较。
The effects of xylanase boosting bleaching of wood pulp and wheat straw pulp are investigated in this paper.
研究了木聚糖酶预处理对木浆和草浆化学浆漂白的影响。
The chemical compositions of the pulp from Guangyechu white bast produced by biological process were analyzed, and the pulp bleaching with different bleaching processes was investigated.
对光叶楮白皮生物浆化学组分进行了比较分析,并采用不同漂白方法对其进行了漂白实验。
By using automation controlling of compensated Kappa factor principle and compensated brightness principle, the bleaching pulp can get high quality and the lowest consumption.
采用补偿卡伯因子、补偿白度控制原理,进行自动化操作控制稳定生产过程,使漂白浆质量稳定、消耗达到最低。
The results showed that oxygen to carbon atomic ratios gradually increased and the valence states of carbon markedly changed during the ozone bleaching of oxygen-delignified birch kraft pulp.
结果表明,氧脱木素桦木硫酸盐浆臭氧漂白期间氧碳比逐渐增加,碳价态发生了显著变化。
The results showed that sodium dithionite was effective in bleaching this kind of pulp and 7 points of ISO brightness gain were achieved under the optimum conditions.
结果表明,在经优化的实验条件下,保险粉漂白该浆种效果良好,可提高白度7%以上。
ESCA is a new and effective means for the study of pulp bleaching.
ESCA可为研究纸浆漂白提供新的有效手段。
It was also found recently that the pectate lyase could be used for the purification of plant virus, bleaching of paper pulp and the bio-refining of textiles etc.
近年来又发现了果胶酸裂解酶还可用于植物病毒的纯化、纸浆漂白和以纺织品的生物精炼等。
A number of studies on xylanases and their use in pulp bleaching support the feasibility of their industrial application.
大量关于木聚糖酶用于制浆漂白的研究及应用,为它们的工业化应用的可行性作出了有力的支撑。
Effects of endoxylanase and xylosidase pretreatment on bleaching properties of wheat straw pulp have been investigated.
研究了内切木聚糖酶与木糖苷酶预处理对麦草浆漂白性能的影响。
Abstract: the prospect of application for sodium molybdate, particularly the application in the corrosion inhibitor bleaching of chemical pulp and cleaning industry etc. were described briefly.
文摘:简要叙述了钼酸钠的应用前景,特别是在缓蚀、化学纸浆漂白和清洗工业领域的应用。
Preparation of chlorine dioxide and application of it to the disinfecting of water and to the bleaching of pulp are described.
综述了二氧化氯的制备方法及其在自来水消毒、纸浆漂白等方面的应用。
Hydrogen peroxide decreases the pulp yield slightly and has the good selectivity to eliminate the chromophores. So it's an important bleaching agent in the high-brightness Mechanical pulp production.
过氧化氢在没有大量减少纸浆产量情况下,具有消除发色基团的良好选择性,所以它在高白度机械浆的生产中是主要的漂白化学品。
Oxidize hydrogen bleaching the alkaline wheat straw pulp that is heated with microwave oven is of benefit to bleaching efficiency and bleaching process.
在碱性麦草浆过氧化氢漂白过程中,利用微波加热,对漂白效果与进程都具有一定意义。
Pressurized high temperature H2O2 bleaching and pretreatment before bleaching of wheat straw AS-AQ pulp were studied.
研究了AS - AQ麦草浆压力高温H2O2漂白工艺,并对漂前预处理进行了探讨。
FAS which possessed both bleaching and decoloring abilities, was the best agent for treatment of deinked pulp of colored office waste.
从漂白和脱色两方面分析,FAS是处理彩色办公废纸脱墨浆的首选药剂。
Peracetic acid properties, preparation and analysis methods are described in this paper, Its' application and technology mainly in pulp bleaching are also introduced.
本文较为详细地介绍了过醋酸的有关性质,制备及测定方法,以及其在造纸中尤其是漂白中的应用和主要影响因素。
Because of complex component, high load of pollutant and large sewage capacity, the washing and bleaching effluent of straw pulp has become the focus in pollution controlling.
麦草浆造纸中段废水成分复杂,污染物负荷高,在造纸废水中占有较大的比重,是污染治理的重点。
The treatment efficiency and effect factors of coagulation pretreatment of bleaching wastewater from pulp making process was studied by jar test.
通过杯罐试验研究了造纸中段废水混凝预处理的效能和影响因素。
The research content included the renewal of secondary fiber's activity, the effective removal of gluey materials and the bleaching of high-kappa number pulp made of secondary fiber.
研究内容包括:二次纤维活性的恢复、胶粘物的有效去除以及高硬度二次纤维纸浆的漂白。
The research content included the renewal of secondary fiber's activity, the effective removal of gluey materials and the bleaching of high-kappa number pulp made of secondary fiber.
研究内容包括:二次纤维活性的恢复、胶粘物的有效去除以及高硬度二次纤维纸浆的漂白。
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