污水污泥中的磷回收研究
[Abstract]:With the rapid development of China's economy, the technology of recycling phosphorus has been widely concerned by people. As the essential element of human existence, phosphorus is in the state of one-way circulation in nature, and because of the excessive use of the phosphorus, the phosphorus resource in nature is continuously reduced and it is difficult to regenerate, however, many of the phosphorus is present in the sewage, and the sewage is discharged into the water to form the eutrophic water. If the technology of recovering phosphorus from the sewage sludge is properly selected, the water pollution can be reduced, the problem of the shortage of the phosphorus in the natural world can be made up, and the method is of great significance in the real life. The main research of this paper is to recover the phosphorus by adsorption. First, the research object of the experiment is the corn straw, which is modified and carbonized, and finally the adsorbent with good adsorption performance is prepared, and the optimal conditions for preparing the optimal modified carbonized corn straw adsorbent are obtained by researching the efficiency of the phosphate radical removal in the solution. The corn straw was modified with different chemical modifier, and it was found that the removal effect of the phosphate radical in the solution was the best by using zinc chloride as a modifier to modify the corn straw. The effects of the conditions such as the concentration of the modifier, the impregnation ratio, the activation time and the activation temperature on the adsorption efficiency and yield of the adsorbent were analyzed by using zinc chloride as the corn straw modifier. The experiment data show that the removal rate of phosphate radical in the solution is 99.52% and the yield is 21.75% under the condition that the concentration of the modifier is 50 g/ L, the impregnation ratio is 2:1, the activation time is 2 h and the activation temperature is 400 DEG C. Secondly, the optimal modified carbonized corn straw adsorbent was used to adsorb the phosphate in the solution, and the addition of the adsorbent and the pH value were analyzed by the equilibrium adsorption method. The effect of the reaction time and the initial concentration of the phosphate in the solution on the removal of phosphorus from the modified carbonized corn straw adsorbent was studied. The experimental data show that when the concentration of the phosphorus in the solution is 50 mg/ L and the addition amount of the adsorbent is 0.2 g, the removal rate of the phosphate in the solution is the best, and 99.52% can be achieved, and the adsorption process is relatively rapid, the reaction is 20 min, and the adsorption process has been basically completed. and when the pH value of the solution is 8, the removal rate of the adsorbent to the phosphate radical is 99.52%; when the pH value of the solution is more than 8, The removal rate of the adsorbent to the phosphate has a tendency to decrease slowly, so that the p-H of the solution is adjusted to a weak base, which is favorable for the recovery of the phosphorus by the adsorbent. And simultaneously adding different concentration of the interference substance into the solution, and analyzing the influence of the interference on the phosphate radical in the adsorption solution of the modified carbonized corn straw adsorbent in the solution. The results show that when the solution contains COD and NH4 + with different concentration, the effect of phosphorus in the recovery solution of the adsorbent is very small. In the end, the adsorption process of the modified carbonized corn straw adsorbent in the solution at different temperatures is described in detail by the Langmuir and Freundlich adsorption isothermal model. The results show that the reaction temperature has little influence on the adsorption capacity of the adsorbent. The adsorption kinetics model shows that the process of the phosphorus in the adsorption solution of the modified carbonized corn straw adsorbent is closer to the pseudo-secondary dynamic model. In summary, the problem of phosphorus resource shortage and large amount of phosphorus in sewage sludge should be paid more and more attention. The technology of recovering phosphorus from sewage sludge has been perfected with people's research. The method for preparing the adsorbent by using the corn straw not only realizes the utilization of the waste, but also can effectively recover the phosphorus. Therefore, the contents of this paper provide a reference for the recovery of phosphorus in sewage sludge, and it is of great significance to solve the problem of the shortage of phosphorus resources.
【學(xué)位授予單位】:吉林建筑大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:X703
【相似文獻(xiàn)】
中國(guó)期刊全文數(shù)據(jù)庫(kù) 前10條
1 ;科學(xué)家對(duì)用污水污泥施肥有爭(zhēng)論[J];環(huán)境污染與防治;2000年06期
2 黃漢生;從污水污泥中回收磷[J];工業(yè)用水與廢水;2001年01期
3 陳嘉愉;楊海英;;污水污泥高摻比量制磚工藝研究[J];中國(guó)水運(yùn)(下半月);2008年12期
4 王愛(ài)娜;王里沙;;把污水污泥灰加工成肥料[J];農(nóng)業(yè)環(huán)境與發(fā)展;1985年01期
5 李愛(ài)民,王志,魏礫宏,蔡九菊;污水污泥在流化床內(nèi)燃燒特性的試驗(yàn)研究[J];沈陽(yáng)航空工業(yè)學(xué)院學(xué)報(bào);2001年04期
6 李愛(ài)民,曲艷麗,楊子賢,李潤(rùn)東;污水污泥干燥過(guò)程中表觀形態(tài)變化及水分析出特性[J];化工學(xué)報(bào);2004年06期
7 易玉敏;寧平;瞿廣飛;楊月紅;;污水污泥裂解技術(shù)研究進(jìn)展[J];云南化工;2008年05期
8 錢覺(jué)時(shí);鄧成;陳平;王智;羅暉;陳偉;;三峽庫(kù)區(qū)生活污水污泥的建材利用途徑分析[J];三峽環(huán)境與生態(tài);2009年01期
9 陳嘉愉;吳學(xué)偉;;污水污泥有機(jī)調(diào)質(zhì)濃縮和無(wú)機(jī)調(diào)質(zhì)脫水工藝研究[J];環(huán)境工程學(xué)報(bào);2009年03期
10 劉慶余;劉媛;李輝;;大港污水污泥用于綠地的可行性研究[J];環(huán)境衛(wèi)生工程;2010年01期
中國(guó)重要會(huì)議論文全文數(shù)據(jù)庫(kù) 前10條
1 李濤;解立平;吳霞;趙立新;;污水污泥空氣氣化特性的研究[A];中國(guó)環(huán)境科學(xué)學(xué)會(huì)2009年學(xué)術(shù)年會(huì)論文集(第一卷)[C];2009年
2 牛姍姍;張亞娟;;利用橙廢物凝膠和酸從焚燒污水污泥灰中吸附和浸出磷[A];2012中國(guó)環(huán)境科學(xué)學(xué)會(huì)學(xué)術(shù)年會(huì)論文集(第三卷)[C];2012年
3 徐進(jìn);;污水污泥——可用作替代能源的新資源[A];全國(guó)排水委員會(huì)2012年年會(huì)論文集[C];2012年
4 周立祥;廖岳華;柏雙友;熊慧欣;王世梅;;污水污泥生物瀝浸處理中次生礦物的形成及其環(huán)境學(xué)意義[A];第五屆全國(guó)環(huán)境化學(xué)大會(huì)摘要集[C];2009年
5 陳祥;包兵;張惠心;;不同種類污水污泥對(duì)三種花卉生理特性的影響[A];2013中國(guó)環(huán)境科學(xué)學(xué)會(huì)學(xué)術(shù)年會(huì)論文集(第八卷)[C];2013年
6 解慶林;王敦球;張學(xué)洪;李金城;;污水污泥資源化研究[A];廣西環(huán)境科學(xué)學(xué)會(huì)2002—2003年度學(xué)術(shù)論文集[C];2003年
7 侯秀;徐東全;鄭傳健;楊洋;宋雯雯;趙樂(lè)軍;;天津市中心城區(qū)污水污泥處置方案的探討[A];2010年全國(guó)給水排水技術(shù)信息網(wǎng)年會(huì)論文集[C];2010年
8 佘躍惠;張凡;舒福昌;張學(xué)禮;王正良;周玲革;趙勇;趙立平;;油田污水污泥中以液蠟和聚丙烯酰胺(PAM)為營(yíng)養(yǎng)源的微生物群落及功能分析[A];首屆全國(guó)微生物基因組學(xué)學(xué)術(shù)研討會(huì)會(huì)程與論文摘要集[C];2006年
9 陳偉;;高含水率污水污泥復(fù)合頁(yè)巖制備輕質(zhì)陶粒研究[A];2011中國(guó)材料研討會(huì)論文摘要集[C];2011年
10 婁性義;;關(guān)于污水污泥一體化處理處置的探討[A];2012(第四屆)上海水業(yè)熱點(diǎn)論壇論文集[C];2012年
中國(guó)重要報(bào)紙全文數(shù)據(jù)庫(kù) 前9條
1 徐朝暉;義烏將用污水污泥燒制節(jié)能磚[N];金華日?qǐng)?bào);2007年
2 本報(bào)記者 袁天志;我省污水污泥實(shí)現(xiàn)資源化利用[N];貴州日?qǐng)?bào);2011年
3 鄧芝蘭 記者 程家富;“電鍍廢渣就是我的金礦”[N];上饒日?qǐng)?bào);2006年
4 記者 喬明亮 通訊員 裴振龍 周靳;臨汾:治理成效顯著 污水污泥成寶[N];山西日?qǐng)?bào);2006年
5 記者 夏新萍;烏石化分公司從污水污泥中淘金[N];中國(guó)石油報(bào);2003年
6 記者 張鳴岐 通訊員 張軍方馨遠(yuǎn);污水污泥變廢為寶[N];天津日?qǐng)?bào);2006年
7 田軍;污水污泥處理指標(biāo)下達(dá)[N];中國(guó)環(huán)境報(bào);2011年
8 記者 覃燕妮 通訊員 李清明;我市污水污泥全部實(shí)現(xiàn)無(wú)害化處理[N];三峽日?qǐng)?bào);2008年
9 記者趙福欣;廣州關(guān)注污水污泥同步處理[N];中國(guó)化工報(bào);2003年
中國(guó)博士學(xué)位論文全文數(shù)據(jù)庫(kù) 前6條
1 羅暉;污水污泥頁(yè)巖建筑材料制備與性能研究[D];重慶大學(xué);2010年
2 張靈輝;水泥分解爐燃料型NO_x形成影響因素及源頭防治研究[D];華南理工大學(xué);2016年
3 左薇;污水污泥微波熱解制取燃料及微晶玻璃工藝與機(jī)制研究[D];哈爾濱工業(yè)大學(xué);2011年
4 張軍;微波熱解污水污泥過(guò)程中氮轉(zhuǎn)化途徑及調(diào)控策略[D];哈爾濱工業(yè)大學(xué);2013年
5 袁紹春;蚯蚓處理污水污泥工藝及蚯蚓糞土地利用研究[D];重慶大學(xué);2012年
6 張國(guó)豐;北京市污水污泥處理的環(huán)境和經(jīng)濟(jì)影響動(dòng)態(tài)模擬[D];中國(guó)地質(zhì)大學(xué)(北京);2014年
中國(guó)碩士學(xué)位論文全文數(shù)據(jù)庫(kù) 前10條
1 蘇磊;基于海洋傾倒目的之污水污泥化學(xué)分析及生物毒性研究[D];上海海洋大學(xué);2015年
2 王涵;污水污泥熱處理后重金屬的賦存形態(tài)與浸出特性研究[D];黑龍江大學(xué);2015年
3 張志敏;蚯蚓處理對(duì)污水污泥性質(zhì)的影響研究[D];重慶交通大學(xué);2016年
4 楊靜;污水污泥中的磷回收研究[D];吉林建筑大學(xué);2017年
5 馬蜀;城市污水處理廠污水污泥能值測(cè)定分析研究[D];重慶大學(xué);2007年
6 周華;污水污泥熱解特性研究[D];上海交通大學(xué);2011年
7 唐汝江;污水污泥與煤混合燃燒和熱解的試驗(yàn)研究[D];華中科技大學(xué);2005年
8 萬(wàn)立國(guó);添加物輔助微波高溫?zé)峤馕鬯勰喾磻?yīng)條件的優(yōu)化研究[D];哈爾濱工業(yè)大學(xué);2006年
9 雷一楠;污水污泥燒制陶粒對(duì)重金屬固化效果的試驗(yàn)研究[D];重慶大學(xué);2009年
10 謝爽;利用污水污泥和高濃度二氧化碳培養(yǎng)海洋微藻技術(shù)研究[D];中國(guó)海洋大學(xué);2010年
,本文編號(hào):2451084
本文鏈接:http://www.sikaile.net/shengtaihuanjingbaohulunwen/2451084.html