表面活性劑增效修(xiu)復技術(shu)(shu)已(yi)成為一種非常有(you)(you)潛力(li)的有(you)(you)機(ji)物(wu)土(tu)壤污(wu)染(ran)(ran)修(xiu)復技術(shu)(shu),它主要(yao)是(shi)利用(yong)(yong)表面活性(xing)(xing)劑溶(rong)液對疏水(shui)性(xing)(xing)有(you)(you)機(ji)污(wu)染(ran)(ran)物(wu)的增溶(rong)作(zuo)用(yong)(yong)來促(cu)進吸附在土(tu)壤粒子(zi)上(shang)的有(you)(you)機(ji)污(wu)染(ran)(ran)物(wu)解吸及溶(rong)解、并最(zui)終遷移出土(tu)壤環境(jing),使土(tu)壤得以修(xiu)復。在生(sheng)物(wu)堆置修(xiu)復污(wu)染(ran)(ran)土(tu)壤技術(shu)(shu)中,必(bi)要(yao)時加(jia)入適量表面活性(xing)(xing)劑,可使微生(sheng)物(wu)分散并促(cu)進生(sheng)長。
國內外學(xue)者在表(biao)(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)劑(ji)對多(duo)(duo)環(huan)(huan)(huan)芳(fang)烴污(wu)染(ran)(ran)土壤(rang)修復(fu)方面(mian)(mian)已經進行了不(bu)少有(you)意義(yi)的研究(jiu)(jiu)和(he)探索。但是(shi)已有(you)的研究(jiu)(jiu)主(zhu)要(yao)集中在傳統(tong)表(biao)(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)劑(ji),而傳統(tong)表(biao)(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)劑(ji)往(wang)往(wang)具有(you)毒性(xing)、二次污(wu)染(ran)(ran)、價格高等(deng)問題,因(yin)(yin)此尋找(zhao)經濟、有(you)效(xiao)、環(huan)(huan)(huan)保的新型(xing)表(biao)(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)劑(ji)將成為未來(lai)應用表(biao)(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)劑(ji)修復(fu)多(duo)(duo)環(huan)(huan)(huan)芳(fang)烴污(wu)染(ran)(ran)土壤(rang)的研究(jiu)(jiu)熱點(dian)及重點(dian)。新型(xing)雙子(zi)表(biao)(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)劑(ji)與生(sheng)物表(biao)(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)劑(ji)因(yin)(yin)其高效(xiao)性(xing)、環(huan)(huan)(huan)境友好性(xing)等(deng)特點(dian)被廣泛關注,雙子(zi)表(biao)(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)劑(ji)和(he)生(sheng)物表(biao)(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)劑(ji)對有(you)機物的增溶(rong)效(xiao)率比傳統(tong)表(biao)(biao)面(mian)(mian)活(huo)(huo)(huo)性(xing)劑(ji)高。
雙子表(biao)面活性(xing)劑(ji)(Gemini surfactant)是(shi)一類具(ju)有(you)特(te)殊(shu)(shu)分子結(jie)(jie)構(gou)的(de)表(biao)面活性(xing)劑(ji),其(qi)分子是(shi)通(tong)過化學鍵連(lian)(lian)接兩(liang)個(ge)表(biao)面活性(xing)劑(ji)單體的(de)離子頭基構(gou)成(cheng)的(de)。因為(wei)其(qi)結(jie)(jie)構(gou)的(de)特(te)殊(shu)(shu)性(xing)從而使其(qi)具(ju)有(you)特(te)殊(shu)(shu)的(de)微(wei)觀(guan)結(jie)(jie)構(gou)形態(tai);具(ju)有(you)特(te)殊(shu)(shu)的(de)用(yong)途,可(ke)用(yong)于合成(cheng)中孔結(jie)(jie)構(gou)的(de)模(mo)板、進行特(te)殊(shu)(shu)化學分離等;對頭基上連(lian)(lian)接兩(liang)個(ge)不同表(biao)面活性(xing)劑(ji)單體的(de)雙子表(biao)面活性(xing)劑(ji),最近(jin)研究表(biao)明它兼具(ju)有(you)兩(liang)種表(biao)面活性(xing)劑(ji)的(de)性(xing)質。
資訊(xun)來源于 表面(mian)活(huo)性劑(ji)供應(ying)商 揚(yang)州晨化新(xin)材料(liao)股份有限公司