Acetylene black& Determination of hydrochloric acid absorption number ate-orcinol test GB/T3781.8-1993乙炔炭黑盐酸吸液量的测定次氯酸盐苔黑酚试验
The factors of formation of sediments in the carbonylation of acetylene to acrylic acid under high pressure have been investigated. 考察了乙炔高压羰化合成丙烯酸时沉积物的形成。
Effects of surface characteristic of treated activated carbon on catalyst for vinyl acetate synthesis from acetylene and acetic acid were studied. 研究了改性活性炭载体的表面物理化学性质及其对乙炔法合成醋酸乙烯催化剂催化性能的影响。
The process conditions of acetylene catalytic oxidation for producing oxalic acid was studied. Based on experiments with cross design, a favour composition of conditions is obtained. 对乙炔催化氧化制备草酸的工艺条件进行了研究,用正交设计安排实验,得到了一组最佳工艺条件,并做了验证实验。
Coal ash and acetylene sludge are similar to cement in some physical and chemical characters. Researching on their solidification/ stabilization to metal wastes and acid chromium waste, realizing treating wastes with other wastes is very useful. 粉煤灰、电石渣与水泥存在着某些相似的理化性质,研究它们对金属废物和酸性铬污泥的稳定/固化作用,实现以废治废将具有重要意义。
On the basis of powder contact angle measurement, the surface free energy of active carbon and acetylene black before and after oxidized by nitric acid or reduced by hydrazine was estimated by means of Wu formula. 在粉末接触角测试的基础上,用Wu方程估算了硝酸氧化或肼还原前后,活性炭和乙炔黑的表面自由能(简称表面能)。
Methods to analyze purity of VCM and content of impurities including acetylene, water, nonvolatile substance, acid and iron are introduced. 介绍了氯乙烯单体的纯度以及单体中所含乙炔、水、不挥发物、酸、铁等杂质的分析方法。
Study on High Activity Catalyst for Synthesis of Vinyl Acetate from Acetylene and Acetic Acid 乙炔法合成醋酸乙烯高活性催化剂的研究
The deactivation kinetics of acetylene and acetic acid to vinyl acetate on a new type of Zn ( Ac) 2 active carbon catalyst was investigated experimentally. The mechanism of the catalyst deactivation has been discussed. 在该反应的宏观反应动力学研究的基础上,对新型Zn(AC)2&活性炭催化剂上合成醋酸乙烯的失活动力学进行了实验研究,对催化剂失活的原因进行了分析探讨。
Study on conditions of removing fluoride with acetylene sludge& waste hydrochloric acid 用电石渣&废盐酸除氟条件的研究
Determination of Strontium by Micro-Sampling Acetylene Air Flame Atomic Absorption Spectrometry in the Presence of Sulfosalicylic Acid 磺基水杨酸存在下微量进样乙炔&空气火焰原子吸收光谱法测定锶