塑料降解测试背景介绍

塑料降解测试背景介绍

作为世界上十大塑料制品生产和消费国之一,全球约25%的塑料产量及使用来源于我国,如何解决日益严重的“白色污染”问题成为重中之重。2007年12月31日,国务院颁布《关于限制生产销售使用塑料购物袋的通知》(以下简称《通知》),自此,限塑令正式由地方试点上升到国家层面。2020年,国家相继发布《关于进一步加强塑料污染管理的定见》及《关于厚实推动塑料污染管理作业的告诉》(俗称“禁塑令”),禁止、限制对塑料制品的运用。资料显示,国家发展改革委、生态环境部印发的《关于进一步加强塑料污染管理的定见》,其主要方针是:到2020年,率先在部分地区、部分领域禁止、限制部分塑料制品的出产、出售和运用。到2022年,一次性塑料制品消费量明显减少,替代产品得到推广,塑料废弃物资源化能源化使用比例大幅提升;在塑料污染问题杰出领域和电商、快递、外卖等新兴领域,构成一批可复制、可推广的塑料减量和绿色物流模式。到2025年,塑料制品出产、流通、消费和回收处置等环节的管理制度根本树立,多元共治系统根本构成,替代产品开发应用水平进一步提升,要点城市塑料废物填埋量大幅降低,塑料污染得到有效控制。响应国家政策,全国已有超越30个省(区、市)陆续出台了省级实施方案,进一步做好塑料污染管理作业。

降解塑料测试是本次“禁塑令“”的执行当中极其重要的一个环节,可是塑料降解测试本身耗时长,难度大,而国内的检测系统在这个项目的检测能力上属于起步阶段,所以要完善这个检测系统的检测能力成为了目前为止最为重要的一个任务。为了能提高降解测试的准确性,减少测试时间,降低测试难度,出现了很多可降解性能测试仪器。如何找到一款合适的降解性能测试仪器呢?首先仪器必须严格遵循标准的规定,特别是标准里面涉及到的很多细节的要求,同时还要满足数据的准确性和重复性的基本测试要求,另外因为这个测试周期很长,尽可能选择自动化的仪器能够避免人为因素可能造成的种种误差,同时还降低了人工操作的强度,省时省力,只有通过各方面综合考察,才能选择一款更适合测试的仪器。在众多的设备厂家当中,TLJJY01型塑料生物降解仪就是当前最具代表性的降解性能检测仪器之一,不仅能够满足上述提到的众多要求,还能实现高效率的测试,在已有的用户当中取得了不错的反响。它具有以下特点:

  • 使用堆肥法来进行降解性的分析;
  • 价格实惠,36个样品通道,实验效率高;
  • 通过碱性溶液吸收,测定样品的二氧化碳释放量;
  • 采取水浴恒温控制,具有智能识别水位,自动补水的功能;
  • 设备控制温度范围:室温-100℃,温度精度可达±1℃。

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