Home / Literatures In my years of handling industrial waste oil refinery configurations, plus managing the hydroprocessing units, one question keeps popping up, mostly from plant investors and project developers: can we get to Euro VI or Tier 4 sulfur compliance using “regular” acid–clay treatment or low-pressure catalytic cracking? The short, definitive engineering answer is really no….
Home / Literatures Industrial plant operators have relied on selecting lubricants with only machinery preservation in mind for many years. However, today’s increasing waste disposal fees, changing energy prices, and ESG considerations mean that it is essential to follow a dual-objective approach – achieving maximum efficiency while simultaneously guaranteeing that spent lubricant can be recycled….
Home / Literatures As a process engineer specializing in resource recovery refinery setups, I am frequently asked by refinery managers if different hazardous hydrocarbon waste streams can be co-processed. Specifically, operators using the PurePath waste oil to diesel plant want to know if they can combine waste motor oil and pyrolysis oil within the same production…
Running a waste oil recycling plant not only means maintaining a lean headcount and low costs of supplies, but also effective process management, material handling, as well as the most efficient use of energy available, to ensure the operations are well managed to prevent the waste of high production capacities in the name of low margins.
Home / Literatures The increasing demand for sustainable practices in energy and resource management has elevated the importance of refining used motor oil and other waste oils. Used oils, such as spent lubricants, hydraulic oils, transformer oils, and even cooking grease, represent a significant resource for re-refining into valuable products like base oil, biodiesel, and industrial…
Home / Literatures As refinery engineers managing daily operations in a waste oil re-refining plant, the primary technical challenge we address is demonstrating that recycled products match the performance profiles of virgin base oils. Our plant receives tanker loads of feedstock that contain varying amounts of degraded additives, combustion by-products, and mechanical wear metals. The…
Home / Literatures The choice of a waste oil to diesel conversion facility requires more than just cost considerations; it also requires an analysis of basic engineering principles. A viable system should have a high thermal efficiency (over 85%) to reduce operating expenses, as well as thick boiler steel or special-grade stainless steel that can…
Home / Literatures To heavy industries, fleet managers, and refining companies, efficient handling of waste engine oil has ceased to be an eco-friendly practice; instead, it is an important matter of compliance and profit. In response to mandatory international ESG standards and changes in oil price trends, the conversion of harmful waste lubricating materials to…
Home / Literatures With the advent of a global circular economy, waste oil to base oil conversion has become a key industrial operation. But for end-users, who range from fleet managers to industrial maintenance engineers, there is often doubt that converting to recycled lube will have an effect on mechanical performance, namely, fuel consumption. This article…
Home / Literatures In the waste oil recycling industry, vacuum distillation has long been the standard method for recovering the base oil from waste lubricants. However, as the market demand for higher-quality lubricants gradually increases, distillation alone is no longer sufficient to meet the oil requirements. Although distillation equipment can effectively remove heavy metals and cracked light fractions,…
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