Page 133 - 精细化工2019年第12期
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第 12 期                           陈晶晶,等:  含酸 DMF 溶液的综合利用                                 ·2461·


                         表 8    T-102 中试实验结果                       water[J]. Petrochemical Technology (石油化工) , 2019, 48: 217-221.
                    Table 8    Pilot-scale test result of T-102   [3]   Li  Ning  (李宁), Li  Xiuping (栗秀萍),  Liu  Youzhi  (刘有智),  et al.
                      进料    回流流量  塔顶采出  塔釜采出                       Research  progress  of  treatment  and  recovery  of  DMF  in
             流量/(L/h)
                       180    300     50      130                  wastewater[J]. Modern Chemical Industry (现代化工), 2017, 37(3):
                                                                   34-37.
                      塔顶      塔上      塔下     塔釜
              温度/℃                                             [4]   Kahya  S,  Solak  E  K,  Şanlı  O.  Sodium  alginate/poly(vinyl  alcohol)
                       60      72     105     109
                                                                   alloy  membranes  for  the  pervaporation,  vapour  permeation  and
             馏出质量     DMF    二甲胺      水      羧酸     D  M  A  C     vapour  permeation  with  temperature  difference  separation  of
              分数/%     47      16     36      —       1            dimethylformamide/water  mixtures:  A  comparative  study[J].  Vacuum,
             塔釜质量     DMF    二甲胺      水      羧酸     D  M  A  C     2010, 84(9): 1092-1102.
              分数/%     0.3     —      微量      2.0    97.7      [5]   Solak  E  K,  Şanlı  O.  Separation  characteristics  of  dimethylformamide/
                                                                   water  mixtures  using  sodium  algi-nate-g-N-vinyl-2-pyrrolidone

                                                                   membranes by pervaporation method[J]. Chemical Engineering and
            3   结论                                                 Processing: Process Intensification, 2008, 47(4): 633-641.
                                                               [6]   Hu  Husheng  (胡湖生),  Yang  Mingde  (杨明德),  Ye  Xueqing  (叶血
                 本文提出了一种含酸 DMF 综合利用新工艺,                            清), et al. Study on treating DMF containing wastewater by solvent
            对其进行了小试可行性研究,证明该综合利用新工                                 extraction-activated carbon adsorption[J]. Research of Environmental
            艺能够有效实现 DMF 的高效脱酸回收,同时利用二                              Sciences (环境科学研究), 2004, 17(4): 40-43.
            甲胺将体系中的甲酸与乙酸转化为 DMF 与具有更                           [7]   Fu Guanglong (伏广龙), Zhang Yanqiu (张雁秋), Zhu Chunshui (祝
                                                                   春水).  Preparation  of  a  new  type  of  adsorption  material  to  treat
            高工业价值的副产物 DMAC,提高了 DMF 回收率,
                                                                   DMAC contained wastewater[J]. Inorganic Chemicals Industry (无机
            同时避免了中和盐渣固废的生成。在小试研究的基
                                                                   盐化工), 2015, 47(6): 60-62.
            础上,建立了含酸 DMF 综合利用中试工艺流程并完                          [8]   Kerr  J,  Jansen  R,  Isaac  J  C,  et al.  Removal  of  acids  from  tertiary
            成放大实验,得到了如下结果:                                         amide solvents: US2009259034[P]. 2009-10-15.
                (1)DMF 一次回收塔 T-101 的初步设计参数能                    [9]   Gao Zhengbing (高正兵), Wang Licheng (王立成), Chen Kai (陈凯),
            够达到 DMF 脱酸回收的目的,塔顶 DMF 质量分数                            et al.  Method  for  removing  carboxylic  acid  from  sucrose-6-ester
            95.0%,DMF 回收率可达 80%;                                   solution containing carboxylic acid: CN104774224A[P]. 2015-07-15.
                                                               [10]  Gao Zhengbing (高正兵), Wang Licheng (王立成), Chen Kai (陈凯),
                (2)通过反应器 R-101 后,反应液羧酸质量分
                                                                   et al.  Method  for  removing  carboxylic  acid  from  carboxylic-acid-
            数由 35.0%降至 1.4%,羧酸转化率可达 96%,反应
                                                                   containing sucrose-6-ester solution: CN104774225A[P]. 2015-07-15.
            器出口 DMAC 质量分数可达 65.3%;                             [11]  Maeda  T,  Kimura  T,  Wachi  T,  et al.  Method  and  apparatus  for
                (3)DMF 二次回收塔 T-102 的初步设计参数也                        separating  acetic  acid  and  dimethylformamide  by  distillation:
            能够满足设计要求,从塔顶二次回收的 DMF 质量分                              JP20023631850[P]. 2002-12-18.
            数为 47%,釜液得到质量分数达 97.7%的 DMAC 粗                     [12]  Zhang Qianyu (张倩瑜), Xu Renping (徐仁萍), Liu Cuiru (刘翠茹),
            产品。                                                    et al.  Technology  process  for  recovering  spandex  DMAC
                                                                   (dimethylacetamide) solvent: CN103113252A[P]. 2013-05-22.
                 在以上小试、中试结果的基础上,结合 ASPEN
                                                               [13]  Hao Li (郝丽), Zhang Qianyu (张倩瑜), Luo Mingfang (罗铭芳), et
            过程模拟软件对该综合利用技术进行进一步优化设
                                                                   al.  Method  for  recovering  N,  N-dimethylacetamide  solvent  used  in
            计,有望将该工艺推广应用在其他精细化工行业的
                                                                   production of spandex: CN104592050A[P]. 2014-12-25.
            含酸 DMF 脱酸回收过程中,促进中国精细化工行业                          [14]  Zheng Huidong (郑辉东), Yin Guanghua (尹光华), Luo Xiheng (罗
            的绿色化、清洁化发展。                                            锡恒), et al. Comprehensive utilization method and device of acid-
                                                                   containing DMF solution: CN107903183A[P]. 2017-11-15
            参考文献:                                              [15]  Zheng Huidong (郑辉东), Lin Yi (林毅), Wang Mengchan (王梦婵),
            [1]   Wu Hongying (吴红英), Bao Zongbi (鲍宗必), Zhang Zhiguo (张治  et al. Method for separating azeotropy system: CN108299190A[P].
                 国),  et al.  Progress  in  synthesis  of  food  sweetener  sucralose[J].   2018-07-20.
                 Chemical  Industry  and  Engineering  Progress  (化工进展),  2016,   [16]  Tian  Peng  (田朋), Pan Zhiyan  (潘志彦),  Zou  Xia  (邹霞),  et al.
                 35(1): 227-238.                                   Inhibiting  effect  of  DMF  hydrolysis  in  DMF  recycling  system[J].
            [2]   Qin  Lei  (秦磊),  Hu  Hanjun  (胡汉君),  Chen  Liang  (陈亮),  et al.   Environmental  Science  and  Technology  (环境科学与技术),  2010,
                 Research  progress  of  recovery  of  dimethylacetamide  in  waste   33(2): 170-173.
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