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DAY2!聚焦VOCs综合治理与油泥处理,视环会高峰论坛专业感拉满!

2022-04-15 09:55:22 来源:环保在线 阅读量:20361 评论

导读:2022视环会-春季展题库再“上新”,有机废气(VOCs)综合治理论坛、油泥治理工艺节能环保及运营安全性研讨会已成功解锁,行业深度与精讲,安排上了!

  【农机网 会展快讯】 继开幕式暨主论坛、智慧水务高峰论坛之后,2022视环会-春季展话题库再“上新”,于第二日(4月13日)接连解锁有机废气(VOCs)综合治理论坛、油泥治理工艺节能环保及运营安全性研讨会,环保人期待的行业深度与精讲,这就都安排上了!
 
  一连两天“刷屏式”更新,“爆炸”的信息量之下,小伙伴们对于3D逛展、屏对屏互动等形式是不是更有体会了呢?那么,此次的线上展会达到你心中一比一还原的标准了吗?对未来几天又有何期待?欢迎在评论区留言讨论!
 
  话不多说,先来回顾下今日份重点:
 
  上午10:00-12:00 有机废气(VOCs)综合治理论坛
 
  当前,随着蓝天保卫战朝纵深处推进,大气污染防治已从单一PM2.5管控走向协同治理,VOCs作为臭氧污染的主要前体物之一,理所当然也成为了重点治理对象。为更准确地把握这一市场的发展趋向,环保在线力邀业内专家与相关企业代表出席。

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  开门见山,同济大学环境科学与工程学院副教授羌宁作题为《工业废气溶剂回收技术现状及进展》的演讲,从溶剂回收对VOCs控制的意义、主要工艺及特点、应用及问题、小结及展望等方面切入,直击行业痛点。
 
  羌宁教授指出,从生命周期角度分析,溶剂“回收-再利用”过程中的碳排放要远小于溶剂生产带来的碳排放。因此,如能加快这一模式推广与应用,一方面有利于企业降低生产成本,另一方面也可有效减少环境污染,促进清洁生产,助推碳中和目标实现。而且,在政策层面,《“十四五”循环经济发展规划》亦鼓励推进资源节约集约利用,构建资源循环性产业体系和废旧资源循环利用体系。
 

  据羌宁教授介绍,溶剂回收利用体系中,实现VOCs控制主要有四种渠道,包括冷凝、吸收浓缩、吸附浓缩与膜分离浓缩。考虑到能效、稳定性等限制条件,吸附技术的核心在于如何用最少的能耗、最少的二次污染得到浓缩比高的气体,吸收技术在吸收剂选择上应有所侧重。
 
  “随着循环经济和VOCs控制技术的发展,溶剂回收将成为一个增长点,选择与生产工艺耦合的最佳切入点是溶剂回收推进的关键之一”,展望溶剂回收模式的未来,羌宁教授作出如上分析。另外,他认为,吸附材料、膜材料及新型吸收剂的改进优化,以及设备的精细化将成为溶剂回收工艺接下来的发力重点。
 
  那么,企业作为市场主体,在VOCs治理的实际作业中,又有何经验呢?长春天皓环境科技有限公司南部大区商务总监唐梓皓从公司案例出发,做题为《全过程除臭技术在污水处理厂中的应用》的分享,对全过程除臭相关标准及工艺进行了拆分讲解。结合白云市污水处理厂等三十余个应用项目,横向对比分析发现,全过程除臭技术与其他技术相比,效果、安全、寿命及投资优势均很明显。

  雾的池内(上海)贸易有限公司喷嘴技术代表叶诚亦在《用雾的技术助力双碳,共谋低碳未来》演讲中结合公司实际进行了解读。以脱硫喷嘴、脱硝喷嘴及烟气冷却用喷嘴为例,让我们一起走进“造雾者”与大气污染防治的故事。
 
  下午14:00-16:00 油泥治理工艺节能环保及运营安全性研讨会
 
  能让中国企业管理研究院企管所再生资源产业化研究中心首席专家曲睿晶,中国石油集团安全环保技术研究院、企业技术专家、正高级工程师刘光全,美国GEO公司副总裁及工程技术总监、洁易奥环境修复(江苏)有限公司CEO陈晓松,济南恒誉环保科技股份有限公司高级工程师童兰英,杰瑞环保科技有限公司工艺工程师张岩,以及浙江宜可欧环保科技有限公司研发部经理于立松齐聚一堂、共同探讨,油泥治理究竟有何“魅力”?热处理工艺、无害化处理、连续热解,又该如何解释?
 
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  在《含油污泥不同热处理工艺及可能存在的安全风险分析》的主题演讲中,刘光全详细介绍了中国石油集团安全环保技术研究院开发的热处理工艺,包括含油固废化学热洗、超热蒸汽喷射干化、热脱附、水热干化等,并对几种技术的特点及优劣势进行了阐述与分析。
 
  其中,含油固废化学热洗关键因素在于温度、油泥均质化以及合适的药剂,残渣含油率≤2%,且油品可回收;超热蒸汽闪蒸干化处理油泥技术关键在于温度和速度,残渣含油率可稳定控制在1%以下;电磁加热式热脱附处理技术关键在于温度、停留时间,采用纯电力处理,与绿电零碳技术兼容良好,符合当前减污降碳协同的趋势;含油污泥水热法脱水提油干化技术关键也在于温度和停留时间,自控程度高,可比直接热干化节能40%以上。
 
  技术安全性、操作安全性、现场作业安全性,这三点在刘光全看来,是含油污泥处理的重中之重,应予以足够的关注。演讲的最后,他总结道:“国内污泥处理技术处于发展阶段,含油污泥的处理工艺多样,各有所长,仅靠单一的处理工艺很难达到环保要求,未来热处理技术将向减量化、无害化、资源化方向发展,更注重于技术耦合、取长补短,是实现含油污泥彻底无害化的发展方向”。
 
  受日益严格的环保标准与要求影响,技术耦合已成为污染物处理的一种有效手段,对于弥合不同工艺之间的优缺点起着重要作用。陈晓松做题为《含油污泥热脱附工艺无害化、资源化道路探索及案例分析》的分享时也强调了这一点。具体来说,水泥窖协同处置、直接焚烧、热解碳化、阴燃、直接热脱附、间接热脱附、热水洗等油泥治理工艺均会受到适用范围与能耗限制,为了让治理工程达到最佳的效果,糅合两种或多种方式是当前技术条件下较为可行的方案。
 
  童兰英在《含油污泥连续热解工艺节能环保及运行安全性分析》的主题演讲中,以恒誉环保的实际项目案例为参照,阐述了其公司主推的连续热解工艺及设备优势,如物料适应性广、处理成本低、智能自动化等。
 
  根据分析,现阶段我国含油污泥处置呈现出四大特点:①上亿吨的历史遗留,处置市场广阔;②油泥成分复杂、来源广、成分差异大,要求油泥处置技术对原料的适应性广;③综合处置费用持续走低,落后的小规模技术无法实现盈利,需要综合处置成本低的油泥技术及装备;④环保政策日趋严格,油泥处置指标要求越来越高,需求具有技术前瞻性、处置效果好、应用延展性高的油泥处置技术。
 
  简而言之,就是行业仍存在快速增长的治理需求与现有技术亟待升级的矛盾,在日益收严的政策与标准引领下,发展机遇与挑战并存。童兰英强调,在实际运行中,连续热解工艺在安全性、节能环保性能与环保效益上均有良好表现,且最终还可以回收到燃料油、还原土等资源,经济效益可观。
 
  同样,张岩也带了杰瑞环保的油泥治理设备精讲,并就《新时期油泥处理过程中的安全提升及应用》展开论述。其力推的“六级安全保护”系统,从机械结构密封、氮气发生器、氧含量监测、预警系统、应急系统到阻火阀与紧急泄压装置,通过多种技术手段构建起层层防护,来为油泥处理的安全性把关。
 
  由于立松压轴,《高粘、高含液油泥热解处置工艺节能环保及安全性分析》演讲则更进一步,朝着油泥治理中更细分的领域深挖,聚焦高粘、高含液特性污泥这一痛点,着重分析了处理过程中会遇到的问题及对策。想近距离观察一体化热解装备?“二刷”安排起来~
 
  千亿级市场机遇摆在眼前,具体怎么做,本次论坛已经阐述得很明了了吧!
 
  再看后续议程安排,4月14日,上午市政污泥处理处置研讨会,下午协同减污降碳●危废环境污染治理与资源化利用论坛,4月15日,下午固危废检测鉴别技术网络研讨会,来直播间,评论、点赞、提问互动“三连”,解锁围观福利!
 
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