Preparation Technology for Hydrogen Chloride from Byproduct Hydrochloric Acid Desorption and Its Application
副产盐酸解吸制氯化氢技术及应用

Factors on the quality of the ferric oxide powder, which were the byproduct in Lysteel coldmill, were analyzed.
涟钢冷轧厂分析了影响副产品氧化铁粉的各种因素

Preparation of Red Iron Oxide Pigment with Ferrous Sulfate from the Byproduct of Titanium Dioxide and Its Coating
钛白副产物硫酸亚铁制取氧化铁红颜料及其包膜的研究

Comparing with the traditional technology, both lower product cost and less waste byproduct were obtained by the method.
与传统工艺相比，生成成本低，减少了三废的排放。

Piperazine was separated from ethylenediamine byproduct polyethylene polyamines mixture by refrigeration and azeotrope distillation.
通过冷冻，共沸蒸馏，从多乙烯多胺混合物中分离出哌嗪。

Practice of Use of Methanation Methylation Process for Final Purification in Ammonia Production to Give Methyl Ether Methanol Mixture as Byproduct
合成氨双甲精制工艺副产双甲燃料应用实践

Asphaltum is a brownish-black solid or semisolid mixture of bitumens obtained from native deposits or as a petroleum byproduct, used in paving, roofing, and waterproofing.
沥青，是一种黑褐色固体或半固体沥青混合物，采自天然矿藏或是石油的副产品，用于铺路，封屋顶和防水。