(1. 浙江工業(yè)大學(xué) 化學(xué)工程與材料學(xué)院，杭州 310014；
2. 廣西華錫集團(tuán)有限責(zé)任公司 科技部，柳州 545006)
摘 要: 為降低鉛陽極泥回收工藝過程中廢水排放對(duì)環(huán)境的影響，以高銻低銀類鉛陽極泥濕法制備銻白為研究對(duì)象，構(gòu)造針對(duì)過程鹽酸減排的水網(wǎng)絡(luò)超結(jié)構(gòu)，提出帶反應(yīng)單元的雜質(zhì)物料平衡模型，建立水網(wǎng)絡(luò)求解非線性規(guī)劃問題，并通過實(shí)驗(yàn)數(shù)據(jù)調(diào)和整定用水與處理單元特征參數(shù)，求解非線性規(guī)劃問題并根據(jù)最優(yōu)解進(jìn)行了工業(yè)裝置路線設(shè)計(jì)。將該方法應(yīng)用于鉛陽極泥制備銻白工藝設(shè)計(jì)時(shí)，可將廢水中酸和有毒金屬的排放濃度控制到給定值以下，優(yōu)化后水的重復(fù)利用率可達(dá)到 87.4 %；采用基于超結(jié)構(gòu)的非線性規(guī)劃對(duì)此工藝過程進(jìn)行優(yōu)化，可以獲得合理的水網(wǎng)絡(luò)結(jié)構(gòu)，達(dá)到減排效果。
關(guān)鍵字: 鉛陽極泥；水網(wǎng)絡(luò)優(yōu)化；超結(jié)構(gòu)
lead anode slime based on superstructure
（1. College of Chemical Engineering and Materials Science, Zhejiang University of Technology,
Hangzhou 310014, China;
2. Department of Science and Technology, Guangxi China Tin Group Co. Ltd., Liuzhou 545006, China）
Abstract:The water network synthesis of Sb recovery from lead anode slime with high antimony and low silver content using chloridization-leaching was analyzed. A superstructure was firstly proposed for the water network synthesis, based on which, an non-linear program (NLP) model considering both the waste minimization and Sb recovery profit was developed. Besides the traditional mass balance, the chemical reactions were also included. The model parameters were determined based on experimental data of real process. The optimal results are obtained with an improvement of 87.4% reusable water. Discussions on the flowsheet with optimal structure were also presented.
Key words: lead anode slime; water network optimization; superstructure
