ï»? title_temp (江苏,浙江,上海,苏州,无锡,常州)对硝基乙苯厂å®?- 阜宁县安勤化学有限公å?/title> <meta name="keywords" content="瀵圭鍩轰箼鑻巶瀹?> <meta name=" /> <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7"> <link href="/template/NEST01021/lib/cms.css?4.1.0_0" rel="stylesheet" type="text/css" /> <link href="/template/NEST01021/lib/style.css" rel="stylesheet" type="text/css" /> <link href="/template/NEST01021/lib/cloud-zoom.css" rel="stylesheet" type="text/css" /> <link href="/template/NEST01021/lib/picCloud.css" rel="stylesheet" type="text/css" /> <link href="/template/NEST01021/lib/productComApp.css" rel="stylesheet" type="text/css" /> <meta http-equiv="Cache-Control" content="no-transform" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body><h1><a href="http://btwhere.com/">ÈÕ±¾Èý¼¶¶¯ÂþͼƬ</a></h1> <div class="top_t"> <div class="top_in"> <div class="lc"> 阜宁县安勤化学有限公司为您免费提ä¾?a href="/">间硝基苯乙酮</a>ã€?a href="/supply/">间硝基乙苯厂å®?/a>ã€?a href="/news/">工业对硝基苯甲酸 </a>等相关信息发布和资讯,敬请关注! </div> <div class="topnav1"> <a href="/weibo/" rel="nofollow" target="_blank">企业微博</a> <a href="/sitemap.html" rel="nofollow" title="网站地图">网站地图</a> <a href="/sitemap.xml" rel="nofollow" >XML</a> <a><span style="cursor:hand" onclick="window.external.addfavorite('http://btwhere.com','(江苏,浙江,上海,苏州,无锡,常州)对硝基乙苯厂å®?- 阜宁县安勤化学有限公å?)">收藏本站</span></a> </div> </div> </div> <div id="wrapper"> <div id="header"> <table width="100%" border="0" cellspacing="0" cellpadding="0" class="top"> <tr> <td class="logo"> <img src="/uploads/logo/20140412020230.png" alt="阜宁县安勤化学有限公å? 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1:0.618:1.219:0.108</span><br /> <span style="font-size:18px;line-height:2;font-family:SimSun;">混酸的配åˆ?/span> </p> <ul> <li> <span style="line-height:1.5;"></span><span style="line-height:2;font-size:18px;font-family:SimSun;">注意加料顺序、控制温度、酸配比</span> </li> </ul> <span style="font-size:18px;line-height:2;font-family:SimSun;">反应</span><br /> <ul> <li> <span style="line-height:1.5;"></span><span style="line-height:2;font-size:18px;font-family:SimSun;">硝化罐——旋浆式搅拌</span> </li> <li> <span style="line-height:2;font-size:18px;font-family:SimSun;">先加乙苯,后滴加混酸ã€?/span> </li> <li> <span style="line-height:2;font-size:18px;font-family:SimSun;">控制温度</span> </li> <li> <span style="line-height:2;font-size:18px;font-family:SimSun;">反应1h</span> </li> </ul> <span style="font-size:18px;line-height:2;font-family:SimSun;">后处ç?/span><br /> <ul> <li> <span style="line-height:1.5;"></span><span style="line-height:2;font-size:18px;font-family:SimSun;">分层</span> </li> <li> <span style="line-height:2;font-size:18px;font-family:SimSun;">水洗残留酸,碱洗酚类、水洗残留碱</span> </li> <li> <span style="line-height:1.5;"></span><span style="line-height:2;font-size:18px;font-family:SimSun;">蒸馏</span><span style="line-height:2;font-size:18px;font-family:SimSun;">     </span><span style="line-height:2;font-size:18px;font-family:SimSun;">减压正出乙苯和水</span> </li> <li> <span style="line-height:2;font-size:18px;font-family:SimSun;">分馏     </span><span style="line-height:2;font-size:18px;font-family:SimSun;">减压分馏——顶部馏å‡?a href="http://btwhere.com/lxjyb/" target="_blank">邻硝基乙è‹?/a>     </span><span style="line-height:2;font-size:18px;font-family:SimSun;">塔底的高沸物再减压精馏得对硝基乙è‹?/span> </li> </ul> <span style="font-size:18px;line-height:2;font-family:SimSun;">3、反应条件及影响因素</span><br /> <span style="font-size:18px;line-height:2;font-family:SimSun;">温度对反应的影响</span><br /> <ul> <li> <span style="line-height:1.5;"></span><span style="line-height:2;font-size:18px;font-family:SimSun;">放热反应,温度过高会导致副产物生成,如邻位、二硝基化合物、酚等,甚至爆炸</span> </li> <li> <span style="line-height:2;font-size:18px;font-family:SimSun;">处理方法     </span><span style="line-height:2;font-size:18px;font-family:SimSun;">搅拌    </span><span style="line-height:2;font-size:18px;font-family:SimSun;">有效冷却</span> </li> </ul> <span style="font-size:18px;line-height:2;font-family:SimSun;">配料比对反应的影å“?/span><br /> <ul> <li> <span style="line-height:1.5;"></span><span style="line-height:2;font-size:18px;font-family:SimSun;">硝酸的用量不宜过多,避免产生二硝基乙è‹?/span> </li> </ul> <span style="font-size:18px;line-height:2;font-family:SimSun;">乙苯质量对反应的影响</span><br /> <ul> <li> <span style="line-height:1.5;"></span><span style="line-height:2;font-size:18px;font-family:SimSun;">乙苯含量要高äº?5%</span> </li> <li> <span style="line-height:2;font-size:18px;font-family:SimSun;">外观、水分等指标要符合质量标å‡?/span> </li> </ul> <span style="font-size:18px;line-height:2;font-family:SimSun;">安全问题</span><br /> <ul> <li> <span style="line-height:1.5;"></span><span style="line-height:2;font-size:18px;font-family:SimSun;">防爆、防腐蚀</span> </li> <li> <span style="line-height:1.5;"><span style="font-size:18px;line-height:2;font-family:SimSun;"></span><span style="font-size:18px;line-height:2;font-family:SimSun;">配制混酸和硝化反应时中途不能停止搅拌和冷却,如中途停电,应立即停止加é…?/span></span> </li> <li> <span style="line-height:2;font-size:18px;font-family:SimSun;">蒸馏完毕,不得在高温下解除真空放入空气,以免热的残渣(含多硝基化合物)氧化爆ç‚?/span> </li> </ul> <p> <span style="font-size:18px;line-height:2;font-family:SimSun;">    <a href="http://btwhere.com/" target="_blank">阜宁县安勤化学有限公å?/a>是一家综合性的公司,公司拥有完善的质量检验机构和质量保证体系。其产品远销国内外,并同全国各地建立了广泛良好的业务联系。在多年的业务合作中,安勤化学人始终视质量为生命,服务为,信誉为宗旨,并以合理的价格赢得了广大客户的信赖,使之成为国内外满意的供应商。长期以来,本公司凭借健全的营销网络,良好的沟通,为广大客户提供了“多品种、多包装、多层次”的优质产品。今后,公司将始终坚持以科技为先导,优化产品结构;以市场需求为目标,充分利用资源优势,立足国内,面向世界,开拓市场,从根本上提高其竞争力,以实现与客户的互惠互利ã€?nbsp;</span><br /> <span style="font-size:18px;line-height:2;font-family:SimSun;">    </span><span style="font-size:18px;line-height:2;font-family:SimSun;">愿同各界朋友真诚合作,携手共进,共创辉煌ï¼?/span> </p><span id="nestremark"></span></p></div> <p> 上一条:<a href="/supply/9.html">对硝基苯乙酮厂家</a> 下一æ?<a href="/supply/3.html">间硝基苯乙酮</a> </p> </div><div class="tag">相关标签ï¼?a href='/key.aspx?k=%e5%af%b9%e7%a1%9d%e5%9f%ba%e4%b9%99%e8%8b%af'>对硝基乙è‹?/a>,<a href='/key.aspx?k=%e5%af%b9%e7%a1%9d%e5%9f%ba%e4%b9%99%e8%8b%af%e5%8e%82%e5%ae%b6'>对硝基乙苯厂å®?/a>,</div> <div class="clear"></div> <div class="clear"></div> <div class="title2"><h2>相关信息</h2></div> <div class="comment_list"> <ul> <li><a href="/news/65.html">间硝基乙è‹?4-硝基乙苯、对硝基乙苯有哪些工è‰?</a></li> <li><a href="/news/46.html">硝基乙苯、对硝基乙苯的工艺过ç¨?/a></li> <li><a href="/news/45.html">硝基乙苯、对硝基乙苯的工艺原理及注意事项</a></li> <li><a href="/news/42.html">扬州对硝基乙苯化工原料供应商</a></li> </ul> </div> <div class="title2"><h2>相关产品</h2></div> <div class="prob_list"> <div class="cn2"><h2><a href="/supply/8.html" target=""><img alt="对硝基乙苯厂å®? 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