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氮氢怎样分离? 氮氢怎样分离? 查看更多 3个回答 . 5人已关注
技术资料:聚丙烯酰胺的合成? 阳离子聚丙烯酰胺 的合成 用20毫升 去离子水 冲稀12克经蒸馏提纯后的丙烯酸,冷却后用13毫 升50%的氢氧化钠水溶液中和,并将此中和液与含有过硫酸钾4.5毫克、 亚硫酸氢钠4毫克的195毫升浓度40%的40% 丙烯酰胺水溶液 相混合,再 加去离子水,调到总体积为300毫升。将上述液体倒入烧瓶中,在烧瓶 中事先加入300毫升12#工业汽油(馏分80-120℃)、2.5克司盘-60, 通高纯氮,消除反应系统的氧,搅拌缓慢升温,在45-50℃引发,到 70℃ 保温1小时,最后升温脱水,滤去汽油,将产品干燥,即得粉状产 品。 查看更多 1个回答 . 5人已关注
请问这种型号的电缆能耐低温吗? 电缆型号为:IA-DWZRFFP3PFR,请大家帮我看看这种电缆能否耐低温? 查看更多 5个回答 . 4人已关注
什么是应力腐蚀啊? 什么是应力腐蚀啊?查看更多 11个回答 . 2人已关注
请教一个关于硝基化合物还原的问题? 在研究硝基化合物还原时碰到一个问题,虚心向大家请教 1-三氯 甲基 - 3-硝 基苯如果要把硝基还原成氨基,为什么要用碱性 还原剂 如硫氢化铵,能不能用酸性还原剂,如最常用的Fe+HCl查看更多 5个回答 . 5人已关注
换热蒸汽用量? 如题:用 列管式换热器 ,每天100m3液体温度由30度换热后达到45度,蒸汽由140度饱和蒸汽降为90度冷凝水。求蒸汽用量? 求结果及过程。跪谢!!! 查看更多 3个回答 . 5人已关注
实在是不会了,请同仁们帮忙? 这是一个 红外光谱 的问题,希望大家能解开我心头的疑惑,欢迎大家发表自己的看法 查看更多 0个回答 . 1人已关注
焦炉煤气CH4含量低而CO和CO2含量高的问题? 我公司煤气中CH4含量较低 19~22% (经验值 24~28% ), CO 含量较高 10% (经验值 5.5~7% ), CO2 含量较高 4.5% (经验值 1~3% ) ,是什么原因呢,立火道温度高?还是焦炉串漏? 查看更多 4个回答 . 1人已关注
含油污水脱硫? 大家好,最近接到一个任务,*于含油污水中脱硫化氢的项目,其中含油量约2000mg/L,矿化度为10万左右,硫化氢为200mg/L左右。 要求,水出口的硫化氢含量为1mg/L以下。 请有啥办法可以解决。查看更多 2个回答 . 3人已关注
综合水泵的水供多少岗位 都是双系统那些岗位用一次水那 ...? 综合水泵的水供多少岗位 都是双系统那些岗位用一 次水 那些岗位用循环水查看更多 4个回答 . 3人已关注
二氧化氯的开发与应用? <SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">二氧化氯是性能优良,效果很好的杀菌消毒剂,其应用领域和消费量还将大规模拓展。二氧化氯产业作为国际公认的绿色朝阳产业,其技术发展趋势是低耗节能、高效高纯、低副产的系列生产工艺和针对各个行业而开发的使用便捷、应用成熟的下游产品的应用。作为一种多用途产品,特别是粉末二氧化氯贮存与使用十分方便,由此使它在食品饮料、水处理、水产品加工、医院和医药工业、旅游、餐饮业、养殖以及家庭等许多方面拓宽了应用领域。无毒二氧化氯作为绿色产业已悄然兴起。</SPAN> < class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>1</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">理化性能</SPAN></P> < class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">在实际生产中添加稳定剂的</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">水溶液是五色、无味、无毒、不易燃、不活泼、无腐蚀性的惰性透明水溶液,在</SPAN><SPAN lang=EN-US>-5<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com ffice:smarttags" /><st1:chmetcnv UnitName="℃" SourceValue="95" HasSpace="False" Negative="True" NumberType="1" TCSC="0" w:st="on">-95<SPAN lang=EN-US style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><SPAN lang=EN-US>℃</SPAN></SPAN></st1:chmetcnv><SPAN lang=EN-US style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">时性质稳定,贮存期可达到二三年。二氧化氯为双键的分子结构, 稳定性二氧化氯 的特性</SPAN>pH</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">值为</SPAN><SPAN lang=EN-US>8.0-9.0</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">。</SPAN></P> < class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">稳定性二氧化氯实际有效活性含量为</SPAN><SPAN lang=EN-US>52.6%</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">。具有强的氧化作用,能使微生物蛋白质中的氨基酸发生氧化分解。</SPAN></P> < class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">将二氧化氯的</SPAN><SPAN lang=EN-US>2%</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">水溶液以</SPAN><SPAN lang=EN-US>5mL/g</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的剂量对小白鼠进行试验</SPAN><SPAN lang=EN-US>2</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">周,未见急性中毒症,对皮肤无刺激性,用于免眼黏膜刺激性实验,平均指数为零,属无刺激性物质和无毒物。经美国农业部</SPAN><SPAN lang=EN-US>(USDA)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">及美国食品药物管理局</SPAN><SPAN lang=EN-US>(FDA)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的许可并被联合国世界卫生组织</SPAN><SPAN lang=EN-US>(WHO)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">列为</SPAN><SPAN lang=EN-US>A1</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">级安全消毒剂。</SPAN></P> < class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">对二氧化氯进行的致突变试验</SPAN><SPAN lang=EN-US>(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">微核试验</SPAN><SPAN lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">表明,试验组与阴性对照组之间无显著差异,其微核试验阴性,不引起染色体畸变作用。蓄积毒性试验结果为小白鼠蓄积系数大于</SPAN><SPAN lang=EN-US>5</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">,属弱蓄积性。药理、毒理安全性评价属无毒类。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>2<SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">工艺开发</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">二氧化氯发生方法主要有化学法和电解法。其中,化学法发生二氧化氯的技术已趋成熟,电解法技术正在发展中。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>2.1<SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">化学法</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN><st1:chsdate w:st="on" Year="1899" Month="12" Day="30" IsLunarDate="False" IsROCDate="False">2.1.1</st1:chsdate><SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">亚氯酸钠法</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">目前,以亚氯酸钠为原料发生二氧化氯的方法主要有酸化法、</SPAN><SPAN lang=EN-US>C1<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">氧化法和电化学法等,其中大多数发生技术使用的是氧化法。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">氯和亚氯酸钠发生二氧化氯在工业上可采用液氯—亚氯酸钠系统和氯气—亚氯酸钠系统。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">以氯酸盐为原料化学合成法生产二氧化氯有十几种方法,基本上都是通过在强酸介质存在下还原氯酸盐这一途径制得。依所用还原剂的不同可分为</SPAN><SPAN lang=EN-US>4</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">类:</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>(1)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">二氧化硫还原剂</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">在此反应中,硫酸充当着反应媒介和催化剂的作用。反应温度为</SPAN><SPAN lang=EN-US>75<st1:chmetcnv UnitName="℃" SourceValue="90" HasSpace="False" Negative="True" NumberType="1" TCSC="0" w:st="on">-90<SPAN lang=EN-US style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><SPAN lang=EN-US>℃</SPAN></SPAN></st1:chmetcnv><SPAN lang=EN-US style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">,实际收率在</SPAN>90%</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">以上,产品气纯度较高。由于原材料成本较高,大型生产厂已不用此法。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>(2)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">盐酸还原剂</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">采用盐酸作还原剂和酸化剂,由氯酸钠与盐酸、直接反应生成</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">该法的特点是结晶盐为氯化钠,一般在氯碱厂配套使用,通过电解</SPAN><SPAN lang=EN-US>NaCl</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">水溶液制得</SPAN><SPAN lang=EN-US>NaC1O<SUB>3</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">后,用。盐酸作还原剂生产。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">将反应后的残液蒸发浓缩,放到电解槽中,将</SPAN><SPAN lang=EN-US>NaCI</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">再电解成</SPAN><SPAN lang=EN-US>NaC1O<SUB>3</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">,变成富</SPAN><SPAN lang=EN-US>NaC1O<SUB>3</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的溶液循环·使用,反应收率达</SPAN><SPAN lang=EN-US>87.5%</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">该法无“三废”处理问题,在负压下生产,安全无污染,在欧洲应用极为普遍。特别是采用锰作催化剂时,反应收率可达</SPAN><SPAN lang=EN-US>97.8%</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">。但其投资较大,生产成本较高,产品气中往往含有少量氯气,而氯气在现代环保漂白工艺中不受欢迎。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>(3)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">氯化钠还原剂</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">直接采用氯化钠作还原剂,在</SPAN><SPAN lang=EN-US>93%(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">质量分数</SPAN><SPAN lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的硫酸中还原氯酸钠生产</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">。反应收率可达</SPAN><SPAN lang=EN-US>95%</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">,操作比较简单,但反应产生的废酸液较多</SPAN><SPAN lang=EN-US>(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">其中含有大量的酸式硫酸钠</SPAN><SPAN lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">,产品气中常含有少量氯气。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">采用将反应器抽高真空的方法,并增加蒸发器,使原料液带人的水分在反应器中蒸发,用产生的水蒸气稀释</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">,同时,从反应器底部不断取出</SPAN><SPAN lang=EN-US>Na<SUB>2</SUB>SO<SUB>4</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">晶体,可较好地解决废液处理问题,但设备复杂,投资较大,目前在日本和前苏联等地区应用较多。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>(4)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">甲醇还原剂</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">在甲醇作还原剂生产</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的工艺中,一般酸度大于</SPAN><SPAN lang=EN-US>9mol/L</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、氯酸钠量浓度大于</SPAN><SPAN lang=EN-US>2mol/L</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、反应在温,度</SPAN><SPAN lang=EN-US>50<st1:chmetcnv UnitName="℃" SourceValue="100" HasSpace="False" Negative="True" NumberType="1" TCSC="0" w:st="on">-100<SPAN lang=EN-US style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'"><SPAN lang=EN-US>℃</SPAN></SPAN></st1:chmetcnv><SPAN lang=EN-US style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">及负压</SPAN>853kPa</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">条件下发生</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">该法目前在造纸业中颇为流行,其特点是一次性投资少,运行成本居中,生产中无需催化剂,生产效率高,产品气纯净。但所需酸度较高,对反应器材质要求高,一般需用钛合金、玻璃钢</SPAN><SPAN lang=EN-US>(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">用 乙烯基酯树脂 制成</SPAN><SPAN lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、聚四氟乙烯、不锈钢等抗腐蚀性能极好的材料。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;</SPAN><SPAN style="mso-spacerun: yes">&nbsp;&nbsp; </SPAN><st1:chsdate w:st="on" Year="1899" Month="12" Day="30" IsLunarDate="False" IsROCDate="False">2.1.2</st1:chsdate><SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">氯酸钠法</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">化学法于</SPAN><SPAN lang=EN-US>1985</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">年工业化,其操作简单,易控制,主反应可连续进行,产率达</SPAN><SPAN lang=EN-US>99%</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">以上,化学法首先是制备二氧化氯水溶液稳定剂,即采用碳酸钠与双氧水等反应生成过碳酸钠,再将二氧化氯气体通人稳定剂的水溶液中,直至稳定,此时,二氧化氯的质量分数为</SPAN><SPAN lang=EN-US>5%</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">采用单元结晶蒸发设备和膜分离装置进行有效的分离,通常反应液中氯酸钠的量浓度为</SPAN><SPAN lang=EN-US>2.5mol/L</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">,甲醇的加入量为</SPAN><SPAN lang=EN-US>0.8 mol/L</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">,催化剂</SPAN><SPAN lang=EN-US>Pd+Sb</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">浓度</SPAN><st1:chmetcnv UnitName="g" SourceValue="0.004" HasSpace="False" Negative="False" NumberType="1" TCSC="0" w:st="on"><SPAN lang=EN-US>0.004g</SPAN></st1:chmetcnv><SPAN lang=EN-US>/L</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">加入</SPAN><SPAN lang=EN-US>Mn</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、</SPAN><SPAN lang=EN-US>Sb</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、</SPAN><SPAN lang=EN-US>Mn+Pd</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、</SPAN><SPAN lang=EN-US>Mn+Sb</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">、</SPAN><SPAN lang=EN-US>Pd+Sb</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">等复合催化剂可提高产生气质量和反应速率,并降低反应酸度,对后处理工艺很有利。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">综合美国、日本和我国的固体二氧化氯的开发情况,其共同特点是,必须先制备二氧化氯溶液,然后再通过固体吸收而制成固体。制备二氧化氯时要求特殊装置,而且二氧化氯利用率低,污染大,所以,可以采用不事先制备二氧化氯水溶液,而是采用把制备工氧化氯的固体试剂直接与载体混合加水制成空气清薪型。这样,可直接在室温下缓慢地产生二氧化氯气体,从而避免了上述缺点。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">用氧化剂</SPAN><SPAN lang=EN-US>(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">氯气</SPAN><SPAN lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">或酸</SPAN><SPAN lang=EN-US>(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">盐酸</SPAN><SPAN lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">氧化亚氯酸发生</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">。其特点是一次性投资少,操作简便,易于控制。不足之处是反应速度慢,耗酸量大,产生的废酸多,适合少量使用</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的场合。此外,通过紫外线照射亚氯酸盐溶液也可得到极纯的</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">,且无需其他试剂,仅与紫外线强度和照射时间有关。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">由于二氧化氯在漂白和消毒杀菌方面的优良作用,受到广大用户和商家的重视,采用盐酸法</SPAN><SPAN lang=EN-US>(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">或硫酸法</SPAN><SPAN lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">分解氯酸钠制取二氧化氯的小型发生器应运而生。为了更广泛推广到中小用户乃至居民日常生活的应用领域,开发稳定型二氧化氯可解决氯碱企业开发生产二氧化氯的难题—包装贮存和运输问题</SPAN><SPAN lang=EN-US>(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">二氧化氯在受光线照射或受热时易分解爆炸</SPAN><SPAN lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">,便氯碱企业开发生产二氧化氯产品成为可能。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">氯碱企业开发二氧化氯的有利条件包括:国内稳定型二氧化氯市场前景广阔,氯碱企业有电力装置及资源优势、电解生产技术优势、经济成本优势,无不安全隐患。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>2.2<SPAN style="mso-spacerun: yes">&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">电解法</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">电解法是以食盐水或氯酸钠的水溶液为电解液,采用不锈钢做阴极,表面涂覆金属氧化物的石墨做阳极,在二室电解池或三室电解池</SPAN><SPAN lang=EN-US>(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">室与室之间用离子选择性渗透膜隔开</SPAN><SPAN lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">中直接电解电解液来得到氯酸钠,在装置内直接与盐酸反应产生二氧化氯。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">所用的电解液可以是食盐溶液、亚氯酸盐溶液和氯酸盐溶液。其中,以食盐溶液和亚氯酸盐溶液为原料制备二氧化氯过程由氯化钠电解,二氧化氯发生和氯化氢合成三部分组成一个反应系统。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">自</SPAN><SPAN lang=EN-US>20</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">世纪</SPAN><SPAN lang=EN-US>70</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">年代以来,国外先后开发了以氯化钠、氯酸钠和亚氯酸钠为电解质电解合成二氧化氯的新方法。电解槽的外壳为表面涂有较低放氧电位金属氧化物的不锈钢圆筒,内层为同轴塑料圆筒,二筒之间的间隙作为阴极室,不锈钢圆筒作阴极,塑料筒内部作阳极室,内置</SPAN><SPAN lang=EN-US>2</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">个石墨电极作阳极。二室之间为由离子隔膜隔开的</SPAN><SPAN lang=EN-US>1</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">个缓冲室,原料氯化钠由缓冲室加入。电解过程中,阴极制得烧碱溶液和氢气,阳极获得二氧化氯、氯气、过氧化氢及臭氧的混合物。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">该法以成本低廉的食盐为原料,可一步生成</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">,同时副产具有较高附加值的成品烧碱,无废液排放,但其产品</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">纯度较低。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">采用不锈钢作阴极,在石墨表面涂覆一层金属氧化物作阳极,在二室电解池或三室电解池</SPAN><SPAN lang=EN-US>(</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">室与室之间用离子选择性渗透膜隔开</SPAN><SPAN lang=EN-US>)</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">直接电解氯化钠或氯酸钠的水溶液来发生</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>3</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">稳定性二氧化氯</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">以氯酸钠为氧化剂,甲醇为还原剂,在硫酸介质中反应,生成纯二氧化氯气体,再经氢氧化钠与双氧水吸收,制得 稳定性二氧化氯溶液 。可将生成的气体二氧化氯通人稳定剂碳酸钠、过碳酸钠、硼酸钠、过硼酸钠水溶液中吸收,当质量分数在百分之几时可得到稳定性水溶液,使二氧化氯质量分数达到</SPAN><SPAN lang=EN-US>2%-5%</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">即为成品,稳定期可达</SPAN><SPAN lang=EN-US>20</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">余天。其使用时需活化,常用活化剂是酸和盐,如柠檬酸、盐酸、三氯化铁和三氯化铝等。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">不少国家相继开发的固体二氧化氯实际上是吸附了二氧化氯的固体,可以缓慢释放出二氧化氯气体,所用吸附剂主要有硅胶土、滑石粉、分子筛以及活性炭等多孔性物质。</SPAN><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">气态和液态</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">均不稳定,在空气中质量分数大于</SPAN><SPAN lang=EN-US>10%</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">就可能爆炸,不便贮存和运输。所以,通常将其稳定在水溶液或某些固态物质中,如将</SPAN><SPAN lang=EN-US>C102</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">溶解于含碳酸钠、过碳酸钠和硼酸钠、过硼酸钠等的水溶液中,当质量分数为</SPAN><SPAN lang=EN-US>5%-7%</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">时,形成含一定浓度有效</SPAN><SPAN lang=EN-US>C1O<SUB>2</SUB></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">的产品,即稳定性二氧化氯。</SPAN></P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-hansi-font-family: 'Times New Roman'; mso-ascii-font-family: 'Times New Roman'">稳定性二氧化氯是在二氧化氯的基础上经过特殊加工而制成的化合物或混合物。稳定性二氧化氯无色、无味、无腐蚀性、不挥发、不分解,性质稳定,便于贮存和运输,使用安全,是一种选择性较强的氧化剂。</SPAN></P>查看更多 7个回答 . 3人已关注
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简介
职业:空气化工产品(中国)投资有限公司 - 设备维修
学校:福建工程学院 - 文化传播系
地区:浙江省
个人简介:谚语可以体现一个民族的创造力,智慧和精神。查看更多
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