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Shandong HEFA Environmental Technology Co., Ltd.

Shandong HEFA Environmental Technology Co., Ltd. is located at the economically-developed Zibo National New & High-tech Industrial Development Zone. Here, the geographical advantage is obvious. The Jinan-Qingdao Expressway and the Jiaozhou-Jinan Railway intersects with each other here, bringing much......

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The Craftmanship casts a reassuring quality.

Each and every HEFA person will be strict attitude, precise equipment, advanced production technology, to provide you with quality products and services.

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Follow the footsteps of the Internet and keep pace with the times.
  • 2018-06-03

The most stringent environmental measures were introduced 2017

随着北方进入取暖季,空气质量迎来重大考验。各地政府陆续出台相应措施,积极应对未来的污染天气,确保完成今年的空气质量改善目标。作为山东重工业城市,淄博是环保重点监控地区,此次淄博环保部门出台了2017最

  • 2018-06-04

What are the concepts and basic information of molecular sieve

分子筛是结晶态的硅酸盐或硅铝酸盐,由硅氧四面体或铝氧四面体通过氧桥键相连而形成。分子尺寸大小(通常为0.3~2.0 nm)的孔道和空腔体系,从而具有筛分分子的特性。然而随着分子筛合成与应用研究的深入,

  • 2018-06-05

The application of microwave resonator perturbation method in the detection of molecular sieve carbon accumulation

前言:分子筛是一种重要的固体酸催化剂,在催化反应过程中有失活现象发生,其机理有以下几种可能途径:(1)毒物的吸附,碱性分子是酸性中心的毒物或抑止剂,这些分子可能以杂质形式存在于原料中,也可能于反应过程

  • 2018-06-05

The technology application advantages of high purity alumina in lithium battery diaphragm coating

优势一:电流过大时,能够阻断电流。PP/PE材料的锂电池隔膜是通孔,当电流过大时,很容易造成穿孔现象,进而造成锂电池燃烧或者爆炸,而用高纯氧化铝(VK-L500G)作为涂层材料与粘合剂一起使用涂覆在P

  • 2018-06-05

Fine electromagnetic removal of iron, high purity alumina powder iron content under 50ppm

高纯氧化铝是现代工业生产中一种重要的化工材料,若你对氧化铝的生产过程有一定的了解,便会知道,氧化铝粉体在生产过程中很容易被引入铁杂质,造成铁含量偏高。对于铁含量高的氧化铝粉体,最直观的表现就是粉体的颜

  • 2018-06-05

The comparison of adsorption properties of molecular sieve and activated alumina

分子筛和活性氧化铝同属于工业吸附剂,吸附机理都一样,一般在做气液吸附时,分子筛和活性氧化铝一般搭配使用,活性氧化铝一般分在纯化器的低部做预处理用,分子筛用于后期比较精细的纯化吸附。  1、低分压或低浓

  • 2018-06-05

Brief analysis on the application of high purity alumina powders

高纯氧化铝具有多孔性、高分散性、绝缘性、耐热性等特点,优势特征为卓越的硬度、高亮度、隔电性(非导体)、超级耐磨损性和高耐腐蚀性的特性。通常所说的高纯氧化铝是指纯度99.9%以上,且粒度均匀的超微粉体材

  • 2018-06-04

Preparation of β Molecular Sieve

在化学领域中,我们的β分子筛使用比较广泛,在生活中,β分子筛的结构让我们好奇,它的特性几乎没有毒性,它主要是解决过滤困难的问题,在研究中,β分子筛的制备一项专利技术,下面我们简单了解一下β分子筛的制备

  • 2018-06-04

The influence of temperature on adsorbent of molecular sieve

分子筛常用的生产工艺是将氢氧化铝、拟薄水铝石、沸石粉按一定比例搅拌混合,在一定温度下充分反应成球,并经过8-12个小时活化处理后,在其表面释放出上层胶体,即得分子筛产品。  分子筛吸附能力强、水处理效

  • 2018-06-05

分子筛催化剂的表征方法有哪些?

分子筛催化剂的表征就是应用近代物理方法和实验技术,对分子筛催化剂的表面及体相结构进行研究,并将它们与分子筛催化剂的性质、性能进行关联,探讨分子筛催化材料的宏观性质与微观结构之间的关系,加深对催化材料的