本文選題：苧麻麻骨 + 水分散　； 參考：《復(fù)合材料學(xué)報》2016年08期

【摘要】：為探索苧麻麻骨治理重金屬廢水的工業(yè)化應(yīng)用可行性,首先,利用激光粒度儀、SEM和FTIR等表征手段對苧麻麻骨微粒進行微觀表征,探明了苧麻麻骨的微觀結(jié)構(gòu);然后在此基礎(chǔ)上,將苧麻麻骨微粒與環(huán)境友好型天然潤濕劑、黏結(jié)劑及崩解劑混合,按一定工藝流程加工成水分散苧麻麻骨餅(WDRSC),在配方篩選過程中,測試了各種助劑質(zhì)量分?jǐn)?shù)對WDRSC性能的影響,并對苧麻麻骨與WDRSC吸附重金屬Cu2+和Cd2+的能力進行了比較。結(jié)果顯示:苧麻麻骨為具有多孔隙結(jié)構(gòu)的天然物質(zhì),表面具有大量的吸附位點和官能團;當(dāng)WDRSC配方中麻骨、潤濕劑、黏結(jié)劑和崩解劑的質(zhì)量比為75∶13∶2∶10時,WDRSC入水后能迅速被水潤濕(潤濕時間小于60s)并自動崩解(崩解時間小于60s),60s內(nèi)懸浮率達80%左右,各項性能均符合水分散顆粒劑的要求;潤濕劑、黏結(jié)劑和崩解劑均能不同程度地影響WDRSC的相關(guān)性能;與苧麻麻骨相比,WDRSC對Cd2+與Cu2+的去除率分別提高了11%和4%。所得結(jié)論表明將苧麻麻骨制成WDRSC具有運輸和使用方便、成本低廉、制作工藝簡單且吸附后廢渣處理方便等優(yōu)點,為苧麻麻骨規(guī)�；玫目尚蟹椒ā�
[Abstract]:In order to explore the feasibility of industrial application of Ramie bone in the treatment of heavy metal wastewater, firstly, the microscopic characterization of Ramie bone particles was carried out by means of laser particle size analyzer and FTIR, and the microstructure of Ramie bone was investigated. Ramie bone particles were mixed with environment-friendly natural wetting agent, binder and disintegrating agent, and water dispersed Ramie bone cake was prepared according to certain technological process. In the process of formulation selection, the effects of various additives on the properties of WDRSC were tested. The ability of Ramie bone to adsorb heavy metals Cu2 and Cd2 was compared with that of WDRSC. The results show that Ramie bone is a natural material with porous structure and has a large number of adsorption sites and functional groups on the surface. The mass ratio of binder to disintegrant is 75: 13: 2: 10. When WDRSC enters water, WDRSC can be wetted by water (wetting time is less than 60 s) and automatically disintegrating (disintegrating time is less than 60 s), the suspension rate of WDRSC can reach about 80% within 60 seconds. The wetting agent, binder and disintegrating agent can affect the correlativity of WDRSC to some extent, and the removal rate of Cd2 and Cu2 in Ramie bone is increased by 11% and 4%, respectively, compared with Ramie bone. The results showed that WDRSC prepared from Ramie bone had the advantages of convenient transportation and use, low cost, simple manufacturing process and convenient disposal of waste residue after adsorption. It was a feasible method for large-scale utilization of Ramie bone.
【作者單位】： 南昌大學(xué)資源環(huán)境與化工學(xué)院;
【基金】：國家自然科學(xué)基金(21067008)
【分類號】：TQ424;X703

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