浩合元活性炭/活性炭在天然氣吸附儲存和回收中的應用

      以(yi)超(chao)(chao)高比表(biao)(biao)面(mian)積活性(xing)(xing)炭為吸附(fu)劑,對天然(ran)(ran)(ran)氣(qi)(qi)的吸附(fu)儲存性(xing)(xing)能(neng)進行了研究。結果表(biao)(biao)明(ming),超(chao)(chao)高比表(biao)(biao)面(mian)積活性(xing)(xing)炭具有較強的循(xun)環(huan)使用(yong)性(xing)(xing)能(neng),經180次循(xun)環(huan)使用(yong)后,吸附(fu)儲存天然(ran)(ran)(ran)氣(qi)(qi)的能(neng)力僅下降9%左右。天然(ran)(ran)(ran)氣(qi)(qi)的脫附(fu)量(liang)(V/mL)與脫附(fu)時(shi)間(t/s)之間滿足函(han)(han)數關系:V=149.7Ln(t)-97.2,天然(ran)(ran)(ran)氣(qi)(qi)脫附(fu)速(su)率(lv)為:dV/dt=149.7/t;吸附(fu)壓力P(MPa)與天然(ran)(ran)(ran)氣(qi)(qi)脫附(fu)量(liang)增加百分率(lv)X(%)之間滿足乘冪函(han)(han)數關系:X=C×P-n。

     吸(xi)(xi)附天(tian)(tian)然氣(qi)(qi)(qi)(ANG)是將具(ju)有(you)發達(da)孔(kong)結構的(de)材(cai)(cai)(cai)料(liao)用作吸(xi)(xi)附劑(ji)(ji),通過物(wu)理吸(xi)(xi)附將天(tian)(tian)然氣(qi)(qi)(qi)分子吸(xi)(xi)附于(yu)材(cai)(cai)(cai)料(liao)孔(kong)的(de)表面,使多孔(kong)介質中(zhong)吸(xi)(xi)附相(xiang)天(tian)(tian)然氣(qi)(qi)(qi)密(mi)度(du)遠(yuan)高于(yu)同壓(ya)(ya)下(xia)氣(qi)(qi)(qi)相(xiang)主體(ti)的(de)密(mi)度(du),從而(er)在較(jiao)低的(de)壓(ya)(ya)力下(xia)實(shi)現高密(mi)度(du)天(tian)(tian)然氣(qi)(qi)(qi)的(de)儲存。目前(qian)(qian)所研究(jiu)的(de)天(tian)(tian)然氣(qi)(qi)(qi)吸(xi)(xi)附儲存材(cai)(cai)(cai)料(liao)中(zhong),碳基吸(xi)(xi)附劑(ji)(ji)是最具(ju)有(you)應用前(qian)(qian)景的(de)天(tian)(tian)