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以玉米为原料的味精产业污染排放分析及治理研究

王国贤1; 周启星2,3; 刘睿2,4,5; 刘卫国1; 王志嘉5; 陈宝林1   

  1. 1内蒙古通辽市排水管理处, 通辽 028000;2中国科学院沈阳应用生态研究所陆地生态过程重点实验室, 沈阳 110016; 3南开大学环境科学与工程学院, 天津 300071;4吉林大学环境与资源学院, 长春 130026;5辽宁省分析测试研究中心,沈阳 110015
  • 收稿日期:2005-05-24 修回日期:2005-08-27 出版日期:2006-01-12 发布日期:2006-01-12

Contamination discharging and its countermeasures of maize-based monosodium glutamate industry

  1. WANG Guoxian1 ;HOU Qixing 2,3;LIU Rui 2,4,5;LIU Weiguo 1;WANG Zhijia 5;CHEN Baolin 1

  • Received:2005-05-24 Revised:2005-08-27 Online:2006-01-12 Published:2006-01-12

摘要: 以内蒙古通辽某公司年2.0×10.5 t玉米为原料进行味精生产为例,对其污染排放进行较为系统的分析。结果表明,味精生产容易导致水污染的发生,其中以发酵提取阶段排放的污水污染最为严重,其悬浮物(SS)、化学耗氧量(CODCr)和生化需氧量(BOD5)分别依次达3.0×103、2.5×104和1.2×104 mg·L-1;排放的大气污染物主要有粉尘、恶臭污染物硫化氢(H2S)以及热风炉产生的烟尘和二氧化硫SO2,尤其是H2S的污染浓度高达7.0×104 mg·m-3。固体废弃物的污染主要是淀粉沉渣、纤维渣、麸质、细渣、胚芽渣和碎玉米渣等。通过对污水处理和大气污染治理的系统控制以及对固体废弃物的综合利用研究,结果表明,以玉米为原料的味精产业污染排放能够达到国家的相关标准。

关键词: UV-B辐射, 青榨槭, 生理生态

Abstract: A case study was made on the environmental issues from the contamination discharging of a 2.0×105 t·yr-1 maize-based monosodium glutamate production in a company of Tongliao City,Inner Mongolia.The results showed that monosodium glutamate production could easily induce water pollution which was most serious at fermentationextraction phase.At this phase,the SS,CODCr and BOD5 in discharged wastewater were up to 3.0×103,2.5×104 and 1.2×104 mg·L-1,respectively.The main air pollutants discharged included dust,H2S,and the soot and SO2 from sirocco furnaces.The concentration of discharged H2S could be up to 7.0×104 mg·m-3.As for solid wastes pollution,the main pollutants were starch sinking dreg,fibre dreg,gluten,fine dreg,embryo dreg,and broken maize dreg.Through the systematic control of wastewater and air discharge and the comprehensive utilization of solid wastes,the contamination discharging from this company was achieved to the relevant national standards of this country.

Key words: UV-B radiation, Acer davidii, Physiological response