本文選題：蒽醌法　切入點(diǎn)：過氧化氫　出處：《武漢工程大學(xué)》2016年碩士論文

【摘要】：過氧化氫是一種普遍使用的非常重要的綠色化工原料,廣泛應(yīng)用到織物的漂白、化學(xué)品的合成和環(huán)保等領(lǐng)域。過氧化氫工業(yè)化生產(chǎn)的主要方法有:蒽醌法、電解法、氫氧合成法和異丙醇法。論文以蒽醌法過氧化氫工業(yè)化裝置為基礎(chǔ),對(duì)其生產(chǎn)控制和技術(shù)改造兩個(gè)方面進(jìn)行了研究。在深入了解過氧化氫裝置的主要流程、設(shè)備、工藝指標(biāo)的基礎(chǔ)上,通過研究工藝控制方法及異常工況的處理,不同負(fù)荷條件下的工藝參數(shù),確定了合適的控制范圍;通過研究過氧化氫的純化工藝,確定了其運(yùn)行及工藝控制參數(shù),總有機(jī)碳含量降低至60 ppm以內(nèi)。通過研究實(shí)用性強(qiáng)的安全聯(lián)鎖系統(tǒng)和配制釜溫度自控方法,提升了裝置的安全及自控水平;通過增加污水預(yù)處理措施使出水COD由1000~1300 mg/L下降至300~500 mg/L;通過回收蒸汽冷凝水再利用,及應(yīng)用變頻技術(shù),使產(chǎn)品蒸汽消耗由165 kg/t下降到150 kg/t、電力消耗由155~160 kW·h/t下降到140~145 kW·h/t;采用高效溶劑吸收法回收氧化尾氣中的重芳烴,其消耗由5.5 kg/t下降至4.0 kg/t;對(duì)氧化殘液進(jìn)行回收處理,每年增加產(chǎn)量1000t以上。
[Abstract]:Hydrogen peroxide (H _ 2O _ 2) is a very important green chemical raw material widely used in the fields of fabric bleaching, chemical synthesis and environmental protection. The main methods for the industrial production of hydrogen peroxide are anthraquinone method, electrolysis method, etc. Based on the industrial plant of anthraquinone hydrogen peroxide, the production control and technical transformation of hydrogen peroxide were studied in this paper. In order to understand the main process and equipment of hydrogen peroxide plant, the main process of hydrogen peroxide synthesis and isopropanol method were studied in this paper. On the basis of the process indexes, the proper control range is determined by studying the process control methods and the treatment of abnormal working conditions, the process parameters under different load conditions, and the purification process of hydrogen peroxide. The operation and process control parameters are determined and the total organic carbon content is reduced to less than 60 ppm. The safety and automatic control level of the device is improved by studying the practical safety interlocking system and the automatic temperature control method of the compounding kettle. By increasing the pretreatment of wastewater, the COD of the effluent was reduced from 1000 to 300 mg/L to 500mg / L, and the steam condensate water was reused and the frequency conversion technology was applied. The steam consumption of the product decreased from 165 kg/t to 150kg / t, the power consumption decreased from 155g / 160kW / t to 140- 145kW / t; the heavy aromatics in the oxidation tail gas were recovered by high-efficiency solvent absorption method, and the consumption decreased from 5.5 kg/t to 4.0 kg / t; the oxidation residue was recovered and treated. The output is increased by more than 1000t per year.
【學(xué)位授予單位】：武漢工程大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類號(hào)】：TQ123.6

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