钢窗手柄冷楔横轧工艺

分析了楔横轧成形条件,以冷楔横轧钢窗手柄为例探讨了工艺方案选择和工艺参数确定.试轧获得基本成功.如用于实际生产尚须进一步提高加工精度.     

绍兴市城市工业生态规划转型的研究

环境与经济协调发展是当代各国面临的重大问题和挑战,生态工业是协调这一问题和挑战的重要战略,是可持续发展的基础之一.根据绍兴市以印染工业为主导、多种行业共同发展的产业结构,结合循环经济的理论和工业生态规划的原理和技术方法,来探讨绍兴市城市工业生态规划的转型模式,提出绍兴市工业结构调整的对策、生态工业网络体系的技术设计的策略以及生态工业园的产品链设计方案.绍兴市工业生态规划的转型是实现城市生态工业系统的有效可行的途径,是生态工业的集中体现.     

锅炉房边界噪声污染及其防治

本文引用统计数据对锅炉房边界噪声污染现状进行了叙述，分析了边界噪声超标的原因，最后对超标问题提出了几点建议，即对减轻和控制噪声污染提出了治理措施。目的是希望引起各级领导及专业人士对噪声污染的重视，切实把噪声污染的治理提到日程上，加大治理力度，为一些深受噪声污染之害的居民创造一个比较安静的环境，以解除他们的困扰。     

微电解、生物铁技术在染料废水治理中的应用

在处理色度高、含盐量大、可生化性差、组分复杂的染料化工废水中,利用铁床的微电解作用破坏原水中有机物的分子结构及性质,使后续处理中水解酸化的效果更加明显.出水后的COD、色度去除率分别为98.9%,95.0%.     

润滑剂与环境污染

综述了润滑剂对环境的污染以及国外可生降解解润滑剂的发展状况，国内研制和开发可生物降解并对环境无害“绿色”润滑剂势在必行。     

塑料模标准件、通用件计算机辅助工艺的设计与研究

论述了塑料模具标准件、通用件制造工艺数据库的开发过程。利用C++编程实现对数据库的检索、管理及用户界面设计,利用SQLServer建立工艺数据库,运用API编程技术完成工序图生成和编辑,采用ADO技术对数据库进行访问,以及系统的功能。     

基于MapX组件的江苏省海域管理信息系统开发

为了实现海域使用的规范化管理,引入了地理信息系统技术,在可视化开发环境VisualC 下,开发了江苏省海域管理信息系统。本文重点介绍了MapX组件技术,及基于MapX组件的江苏省海域管理信息系统的开发和应用。     

Formation control of bromate and trihalomethanes during ozonation of bromide-containing water with chemical addition: Hydrogen peroxide or ammonia?

To ensure the safety of drinking water, ozone (O₃) has been extensively applied in drinking water treatment plants to further remove natural organic matter (NOM). However, the surface water and groundwater near the coastal areas often contain high concentrations of bromide ion (Br^?). Considering the risk of bromate (BrO₃^?) formation in ozonation of the sand-filtered water, the inhibitory efficiencies of hydrogen peroxide (H₂O₂) and ammonia (NH₃) on BrO₃^? formation during ozonation process were compared. The addition of H₂O₂ effectively inhibited BrO₃^? formation at an initial Br^? concentration amended to 350 µg/L. The inhibition efficiencies reached 59.6 and 100% when the mass ratio of H₂O₂/O₃ was 0.25 and > 0.5, respectively. The UV₂₅₄ and total organic carbon (TOC) also decreased after adding H₂O₂, while the formation potential of trihalomethanes (THMsFP) increased especially in subsequent chlorination process at a low dose of H₂O₂. To control the formation of both BrO₃^? and THMs, a relatively large dose of O₃ and a high ratio of H₂O₂/O₃were generally needed. NH₃ addition inhibited BrO₃^? formation when the background ammonia nitrogen (NH₃N) concentration was low. There was no significant correlation between BrO₃^? inhibition efficiency and NH₃ dose, and a small amount of NH₃N (0.2 mg/L) could obviously inhibit BrO₃^? formation. The oxidation of NOM seemed unaffected by NH₃ addition, and the structure of NOM reflected by synchronous fluorescence (SF) scanning remained almost unchanged before and after adding NH₃. Considering the formation of BrO₃^? and THMs, the optimal dose of NH₃ was suggested to be 0.5 mg/L.     

谷氨酸生产废水污染治理的综合分析

通过对河南省味源生物发酵工程有限公司高浓度有机废水处理工程的综合分析,结果表明所采用的废水处理工艺处理效果较好,具有明显的经济效益和环境效益.     

采用"预处理+水解酸化+SBR"法处理制药废水

采用“预处理 水解酸化 SBR”工艺处理制药厂废水，处理量为6000m^3／d，CODcr、BOD5、SS、S^-2去除率分别为97．2％、99．3％、98％和99．9％，出厂废水均达到国家二级排放标准。