本文選題：高鐵酸鉀 + 臭氧�。� 參考：《北京化工大學(xué)》2015年碩士論文

【摘要】：酚類有機(jī)廢水是石化行業(yè)廣泛存在的一種難處理廢水,隨著國家環(huán)保要求的日趨嚴(yán)格,相關(guān)行業(yè)迫切需要針對酚類廢水的高效處理技術(shù)進(jìn)行開發(fā)研究。據(jù)此,本文開展了超重力強(qiáng)化高鐵酸鹽與臭氧協(xié)同處理苯酚廢水的研究,結(jié)合臭氧高級氧化工藝和高鐵酸鉀強(qiáng)氧化能力以及超重力強(qiáng)化傳質(zhì)的優(yōu)點。本文首先通過一系列對比試驗,驗證了與亞鐵離子相比高鐵酸鉀與臭氧具有更好的耦合作用,選取O3+Fe(VI)體系對比O3體系以及O3/H2O2+Fe(VI)體系對比O3/H2O2體系來研究高鐵酸鉀和高級氧化工藝聯(lián)用的效果,并驗證了超重力旋轉(zhuǎn)床中03、O3+Fe(VI)、O3/H2O2、 O3/H2O2+Fe(VI)體系的處理效果均好于燒杯實驗中的處理效果。主要研究成果如下：(1)RPB中O3+Fe(VI)體系對比03體系處理苯酚廢水。高鐵酸鉀的用量存在最優(yōu)值0.42mM,溶液的苯酚降解率和COD降解率隨pH和氣體流量的上升而上升,隨液體流量和溫度的上升而下降,苯酚降解率隨轉(zhuǎn)速的增加一直增加,COD降解率隨著轉(zhuǎn)速的增加先升高后降低,并且在所有實驗條件下O3+Fe(VI)體系的降解效果均優(yōu)于03體系。(2)RPB中O3/H2O2+Fe(VI)體系對比03/H202體系處理苯酚廢水。溶液的苯酚降解率和COD降解率隨pH的上升而上升,隨著氣液比、溫度的上升先上升后下降,在試驗范圍內(nèi)存在最優(yōu)點,隨著轉(zhuǎn)速的上升苯酚降解率一直上升,COD降解率先上升后降低,并且在所有實驗條件下O3/H2O2+Fe(VI)體系的降解效果均優(yōu)于O3/H2O2體系。(3) O3+Fe(VI)體系的B/C值高于03體系,O3/H2O2+Fe(VI)體系的B/C值高于03/H202體系,說明高鐵酸鉀聯(lián)合臭氧高級氧化處理廢水,有利于處理后苯酚廢水的生化處理,且B/C值隨著pH、轉(zhuǎn)速的升高而升高。(4)在極短反應(yīng)時間內(nèi)苯酚去除率達(dá)到99.81%,高鐵酸鉀和苯酚用量比為2：5。與前人的工作相比,本文在苯酚濃度大幅提高的基礎(chǔ)上,高鐵酸鉀的用量顯著減小,處理時間大大縮短,表明超重力強(qiáng)化高鐵酸鹽與臭氧協(xié)同處理苯酚廢水具有良好的效果和很高的效率,為一種具有發(fā)展前景的有機(jī)廢水處理技術(shù)。
[Abstract]:Phenolic organic wastewater is a kind of refractory wastewater widely existing in petrochemical industry. With the increasingly stringent requirements of national environmental protection, the related industries urgently need to develop and study the high-efficient treatment technology of phenolic wastewater. Based on this, a study on the synergistic treatment of phenol wastewater with hypergravity enhanced ferrate and ozone was carried out, combining the advantages of advanced ozonation process, strong oxidation capacity of potassium ferrate and enhanced mass transfer by hypergravity. In this paper, a series of comparative experiments show that potassium ferrate has better coupling with ozone than ferrous ion. The effect of combining potassium ferrate with advanced oxidation process was studied by comparing O 3 Feo Vi) system with O 3 system and O3/H2O2 Fe Li system with O3/H2O2 system. The results show that the treatment effect of the system of 03o 3 Feo 3 O 3 / H 2O 2, O3/H2O2 Fev I) in the high gravity rotating bed is better than that in the beaker experiment. The main research results are as follows: O 3 FeFeVI system in RPB is compared with 03 system to treat phenol wastewater. The optimum value of potassium ferrate was 0.42mM.The degradation rate of phenol and COD increased with the increase of pH and gas flow rate, and decreased with the increase of liquid flow rate and temperature. The degradation rate of phenol increased with the increase of rotational speed. The degradation rate of phenol increased first and then decreased with the increase of rotational speed, and the degradation effect of O3 FeFeVI) system was better than that of 03/H202 system compared with that of 03/H202 system under all experimental conditions. The degradation rate of phenol and COD increased with the increase of pH. With the ratio of gas to liquid, the temperature rose first and then decreased. With the increase of rotational speed, the degradation rate of phenol has been increasing, and the degradation rate of COD has been increased first and then decreased. Under all experimental conditions, the degradation effect of O3/H2O2 Fetivi) system was better than that of O3/H2O2 system. The B / C value of the system was higher than that of 03/H202 system, which indicated that potassium ferrate combined with ozone advanced oxidation treatment of wastewater was higher than that of the system of 03 / O _ 3 / H _ 2O _ 2 Fev _ (VI) system. The B / C value increased with the increase of pH and rotational speed. The removal rate of phenol reached 99.81% in very short reaction time, and the ratio of potassium ferrate to phenol was 2: 5. Compared with the previous work, the amount of potassium ferrate was significantly reduced and the treatment time was greatly shortened on the basis of the significant increase of phenol concentration. The results show that the synergistic treatment of phenol wastewater by hypergravity enhanced ferrate and ozone has good effect and high efficiency. It is a promising organic wastewater treatment technology.
【學(xué)位授予單位】：北京化工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：X703

【參考文獻(xiàn)】

相關(guān)期刊論文 前7條

1 程麗華,黃君禮,高會旺;Fenton試劑對水中酚類物質(zhì)的去除效果研究[J];環(huán)境科學(xué)與技術(shù);2004年04期

2 林少琴,陳玉峰,鄭曦,陳日耀,陳震;電催化氧化降解酚類廢水的研究[J];福建師范大學(xué)學(xué)報(自然科學(xué)版);2005年03期

3 何文麗;桂和榮;苑志華;吳斌;何燦;;高鐵酸鉀混凝去除礦井水中的鉛、鎘、鐵、錳[J];工業(yè)水處理;2009年10期

4 鄧子峰;喻賽芳;胡婷婷;;高鐵酸鉀降解苯酚的機(jī)制研究[J];環(huán)境污染與防治;2007年12期

5 曲久輝,林謖,田寶珍,王立立;高鐵酸鹽氧化絮凝去除水中腐殖質(zhì)的研究[J];環(huán)境科學(xué)學(xué)報;1999年05期

6 李元昊;丁忠浩;;新型水處理劑高鐵酸鉀的制備及應(yīng)用研究[J];綠色科技;2011年11期

7 鄧子峰;楊曉;徐偉;;高鐵酸鉀降解苯酚的GCMS分析[J];同濟(jì)大學(xué)學(xué)報(自然科學(xué)版);2009年03期

，

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