本文選題：噴水織造廢水　切入點(diǎn)：聚丙烯酸酯漿料　出處：《東華大學(xué)》2016年碩士論文　論文類型：學(xué)位論文

【摘要】：噴水織機(jī)作為當(dāng)前中國(guó)紡織業(yè)中應(yīng)用最廣泛的織造設(shè)備之一,其優(yōu)點(diǎn)是產(chǎn)量高、質(zhì)量好、織造費(fèi)用低,但是要消耗大量的新鮮水源,截至目前我國(guó)已經(jīng)擁有噴水織機(jī)35.5萬(wàn)臺(tái),年用水量達(dá)到4.5億噸。因?yàn)榭椩爝^(guò)程中會(huì)使用潤(rùn)滑脂和漿料,所以導(dǎo)致出水的COD、SS較高,如果不能有效的對(duì)噴水織造廢水進(jìn)行處理,循環(huán)利用,則會(huì)導(dǎo)致巨大的水環(huán)境污染和資源浪費(fèi)。隨著水資源的日益緊張和各地水質(zhì)排放標(biāo)準(zhǔn)的日趨嚴(yán)格,紡織行業(yè)廢水的有效治理和回用事關(guān)企業(yè)的生存和發(fā)展。因此噴水織造廢水的處理和中水回用勢(shì)在必行。論文詳細(xì)剖析了岜山織造公司現(xiàn)有規(guī)模為3000m3/d的噴水織造廢水處理及回用工程,并對(duì)該工程案例展開(kāi)了經(jīng)濟(jì)性分析;在此基礎(chǔ)上提出了該工程案例的關(guān)鍵技術(shù)瓶頸,并針對(duì)關(guān)鍵技術(shù)進(jìn)行了物化法和生化法的試驗(yàn)研究。(1)工程案例:采用了絮凝氣浮+深層過(guò)濾+鈉離子交換+電滲析為主體的工藝流程。主要的出水指標(biāo)COD、NH4+-N、SS、油類的去除是在絮凝氣浮工段,去除率分別為70.9%、87.3%、86.7%、90.6%。硬度的降低主要是在鈉離子交換機(jī)工段,鈉離子交換機(jī)工段的進(jìn)水硬度為51.2mg/L,出水硬度為5.3mg/L,該工段對(duì)硬度的去除率達(dá)到89.6%。電滲析工段進(jìn)水電導(dǎo)率為820μs/cm,出水電導(dǎo)率為206μs/cm,該工段對(duì)電導(dǎo)率的去除率達(dá)到了74.8%�；赜盟捕刃∮�60mg/L、電導(dǎo)率小于500μs/cm、COD≤30mg/L,可以滿足噴水織造用水要求。(2)工程案例經(jīng)濟(jì)性分析表明:該廢水處理及回用工程日回用水量為1820m3左右,每年可以節(jié)約水費(fèi)269.04萬(wàn)元,財(cái)務(wù)凈現(xiàn)值為342.3萬(wàn)元,財(cái)務(wù)內(nèi)部回收率為23.14%,靜態(tài)回收期為6.23年。由此可見(jiàn),該中水回用工程不僅具有良好的環(huán)保效益,而且具有良好的經(jīng)濟(jì)效益。(3)聚丙烯酸酯漿料廢水的物化法和生化法的對(duì)比研究:聚丙烯酸酯漿料的有效治理已成為岜山織造公司現(xiàn)有的廢水處理及回用工程的關(guān)鍵技術(shù)之一,本論文探索了噴水織造的準(zhǔn)備過(guò)程中產(chǎn)生的上漿廢水的處理方法,考察了絮凝法、次氯酸鈉法、厭氧生物法對(duì)漿料廢水的處理效果,相應(yīng)的COD去除率分別為11.7%、10.4%、30%,顯然厭氧生物法效果更好。(4)高效厭氧反應(yīng)器處理聚丙烯酸酯漿料廢水的運(yùn)行研究:SSSAB反應(yīng)器在HRT為3d、溫度為25℃,進(jìn)水p H為7.5~8.2的條件下,兩個(gè)月后啟動(dòng)完成,螺旋對(duì)稱流厭氧反應(yīng)器對(duì)稀釋后漿料廢水的COD去除率達(dá)到58%,從而驗(yàn)證了厭氧生物法處理漿料廢水的可行性。
[Abstract]:As one of the most widely used weaving equipments in China's textile industry, water jet loom has the advantages of high output, good quality and low weaving cost, but it consumes a large amount of fresh water. Up to now, China has 355,000 water jet looms. The annual water consumption reaches 450 million tons. Because grease and slurry are used in weaving process, CODSS in effluent is higher. If water spraying wastewater can not be treated effectively and recycled, Will lead to huge water pollution and waste of resources. As water resources become increasingly tight and local water quality standards become more stringent, The effective treatment and reuse of waste water in textile industry is of vital importance to the survival and development of enterprises. Therefore, it is imperative to treat water jet weaving wastewater and reuse reclaimed water. This paper analyzes in detail the existing water jet weaving of Bashan weaving company with a scale of 3000m / 3 / d. Wastewater treatment and reuse works, On the basis of the economic analysis of the project case, the key technical bottleneck of the project case is put forward. A case study of physicochemical method and biochemical method was carried out: the main process of flocculation and air floatation deep filtration sodium ion exchange electrodialysis was adopted. The main effluent index was CODN _ 4-NSS _ 4, oil. The removal is in the flocculating air floatation section, The removal rates were 70.9% 87.3% and 86.7%, respectively. The reduction of hardness was mainly in the sodium ion exchange machine section. The hardness of influent is 51.2 mg / L, the hardness of effluent is 5.3 mg / L, the removal rate of hardness is 89.6 渭 s / L, the conductivity of influent is 820 渭 s / cm, the conductivity of effluent is 206 渭 s / cm, the removal rate of conductivity is 74.8%. Water hardness less than 60 mg / L, conductivity less than 500 渭 s / cm ~ (-1) COD 鈮，

本文編號(hào)：1595223