当前查询到3条专利与查询词 "Fang Lingdan"相关,搜索用时0.9062178秒!排序方式:
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申请号:201911377517.1 公开号:CN111004158A 主分类号:C07C303/32
摘要:【中文】本发明属于精细化工技术领域。目的是提供一种气相SO3磺化尾气回用工艺及其生产系统;该应能大幅减少酸酯中的二噁烷以及废弃排放量;该生产系统投资省、维修便利。技术方案是:一种气相SO3磺化尾气回用工艺,包括以下步骤:1)磺化后经气液分离、静电除雾后的尾气与一定流量的氧气混合后,经罗茨风机输送从燃硫炉气相入口进入燃硫炉,同时液体硫磺由燃硫炉液硫入口进入燃硫炉,在燃硫炉内接触燃烧产生SO2气体;2)SO2气体经转化塔转化、冷却器冷却、SO3过滤器过滤去除微量烟酸后得到SO3气体,进入磺化器与输入磺化器的有机料接触进行磺化反应;3)磺化后产物经气液分离器后,气相经过静电除雾器除雾后循环回用到步骤1)。 【EN】The invention belongs to the technical field of fine chemical engineering. Aims to provide a gas phase SO3A sulfonated tail gas recycling process and a production system thereof; this should greatly reduce the amount of dioxane and waste emissions in the acid ester; the production system is low in investment and convenient to maintain. The technical scheme is as follows: gas phase SO3The sulfonated tail gas recycling process comprises the following steps: 1) after being sulfonated, the tail gas after gas-liquid separation and electrostatic demisting is mixed with oxygen with a certain flow, and then is conveyed by a Roots blower to enter a sulfur furnace from a gas phase inlet of the sulfur furnace, and simultaneously liquid sulfur enters the sulfur furnace from a liquid sulfur inlet of the sulfur furnace and is contacted and combusted in the sulfur furnace to generate SO2A gas; 2) SO (SO)2Gas is converted by a conversion tower,Cooling with cooler, SO3Filtering with a filter to remove trace nicotinic acid to obtain SO3Gas enters the sulfonator to contact with the organic material input into the sulfonator for sulfonation reaction; 3) and (3) after the sulfonated product passes through a gas-liquid separator, demisting the gas phase by an electrostatic demister, and recycling the gas phase to the step 1).
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申请号:201911377056.8 公开号:CN111024852A 主分类号:G01N30/02
摘要:【中文】本发明涉及脂肪醇聚氧乙烯醚以及衍生物技术领域。技术方案是:基于高效液相色谱的AES中未硫酸化物的快速检测法,按以下步骤进行:1)配置样品溶液:将AES样品用溶解液溶解,添加适量吸附剂并搅拌,过C18固相柱,用溶解液定容得到样品溶液;2)绘制标准曲线:将AEO样品用溶解液溶解,配制成一系列不同浓度的标准溶液;将标准溶液通过高效液相色谱得到AEO峰面积,并根据标准溶液的浓度与AEO峰面积绘制标准曲线;3)测定:将样品溶液通过高效液相色谱得到AEO峰面积,将样品溶液的AEO峰面积与标准曲线比较得到样品溶液的浓度,根据样品溶液的浓度计算出未硫酸化物含量。该方法应具有快速、灵敏、准确性好的特点。 【EN】The invention relates to the technical field of fatty alcohol-polyoxyethylene ether and derivatives thereof. The technical scheme is as follows: the rapid detection method of the unsulfate in the AES based on the high performance liquid chromatography comprises the following steps: 1) preparing a sample solution: dissolving an AES sample by using a dissolving solution, adding a proper amount of adsorbent, stirring, passing through a C18 solid phase column, and performing constant volume by using the dissolving solution to obtain a sample solution; 2) drawing a standard curve: dissolving an AEO sample by using a dissolving solution to prepare a series of standard solutions with different concentrations; carrying out high performance liquid chromatography on the standard solution to obtain an AEO peak area, and drawing a standard curve according to the concentration of the standard solution and the AEO peak area; 3) and (3) determination: and (3) obtaining the AEO peak area of the sample solution through high performance liquid chromatography, comparing the AEO peak area of the sample solution with a standard curve to obtain the concentration of the sample solution, and calculating the content of the unsulfate according to the concentration of the sample solution. The method has the characteristics of rapidness, sensitivity and good accuracy.
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