WWTPs often produce odorous gases like hydrogen sulfide (H2S) and ammonia that are discharged directly into the environment, creating an unpleasant odorous gas cloud. Although various physical-chemical methods exist to limit this emission such as absorption, activated carbon adsorption and combustion may help mitigate its presence, these solutions are costly and may not always deliver […]

Raschig rings for gas drying are widely utilized as packed beds within distillation columns for the separation of liquids and gases. Constructed from metal or ceramic material, they offer an increased surface area that optimizes interactions among vapour, gases, liquids within a column – this is particularly crucial at low Peclet numbers; in order to […]

Fractional distillation relies heavily on the quality of column packing material, with optimal performance being determined by choosing copper mesh and raschig rings as packing options. For the highest level of effectiveness in fractional distillation, copper mesh and raschig rings may be combined as packing materials. Raschig rings are an economical and re-usable random packing […]

Nearly 100 years ago, Fritz Raschig set out on an ambitious quest to develop an efficient way of distilling cresols from phenols using column distillation. His initial attempt used wine bottlenecks instead of his eventual invention. Ceramic raschig rings are inert materials that provide a high surface area with an easily defined large void space, […]

Regenerative thermal oxidizers (RTO) are widely employed by chemical, petrochemical and pharmaceutical plants to effectively destroy volatile organic compounds (VOCs) and harmful air pollutants. Most RTO systems utilize Christy Fill honeycombs or T-99 ceramic media beds to capture waste heat generated by combustion while preheating combustion air for efficiency. RTO stands for Reversible Thermal Oxidation […]