CAJ | 학술논문

提出并研究了Na2CO3逐滴法化学氧化合成聚间苯二胺的新方法。总有机碳(TOC)的测定结果显示，采用NaOH逐滴法合成的聚间苯二胺在酸性溶液中的TOC达到120.9 mg/L，而采用Na2CO3逐滴法合成的聚间苯二胺在酸性溶液中的TOC小于8 mg/L，明显低于前者和污水综合排放标准(20 mg/L)，更适合于水处理领域的应用。增加Na2CO3的浓度可使聚间苯二胺的氧化态降低，产率提高到84%，并且对Cr(VI)的脱除性能有明显改善。聚间苯二胺对Cr(VI)的最大吸附量可达666.8 mg/g，远高于目前国内外报道的其他吸附材料。
제출병연구료Na2CO3축적법화학양화합성취간분이알적신방법。총유궤탄(TOC)적측정결과현시，채용NaOH축적법합성적취간분이알재산성용액중적TOC체도120.9 mg/L，이채용Na2CO3축적법합성적취간분이알재산성용액중적TOC소우8 mg/L，명현저우전자화오수종합배방표준(20 mg/L)，경괄합우수처리영역적응용。증가Na2CO3적농도가사취간분이알적양화태강저，산솔제고도84%，병차대Cr(VI)적탈제성능유명현개선。취간분이알대Cr(VI)적최대흡부량가체666.8 mg/g，원고우목전국내외보도적기타흡부재료。
Chemically oxidative polymerization of m-phenylenediamine was improved through adding the weak alkaline, Na2CO3. Results show that the poly (m-phenylenediamine) (PmPD) possesses a weak solubility in acidic solution according to total organic carbon (TOC) that the TOC is less than 8 mg/L, which is much lower than the discharge standard (20 mg/L). The TOC of the PmPD synthesized with NaOH can be as high as 120.9 mg/L. This very weak solubility of PmPD synthesized with Na2CO3 facilitates its application in water purification. The oxidation state of PmPD is decreased and the yield is increased with a maximum of 84%, promoting the concentration of Na2CO3 in the synthesis. Moreover, the Cr(VI) performance of PmPD was marvelously enhanced with Na2CO3 to improve the synthesis. The largest Cr(VI) adsorbance can reach as high as 666.8 mg/g, which is far more than the performance of other common adsorbents.