How to Solve the Problem of Odor and Color Stability in Used Engine Oil Refining?
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How to Solve the Problem of Odor and Color Stability in Used Engine Oil Refining?

Home / Literatures Step inside any cheap oil recycling plant, and two obvious factors tell you the end product is of poor quality – a deep, unstable amber hue that changes color quickly within days, as well as an unmistakable sulfur smell. The failure to ensure color and odor stability is crucial for medium to large-scale…

Waste Oil to Base Oil Plant: Distillation vs Extraction for Group I Production
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Waste Oil to Base Oil Plant: Distillation vs Extraction for Group I Production

Home / Literatures As a chemical and process engineer who has spent over a decade designing, commissioning, and optimizing resource recovery facilities, I often encounter project developers debating equipment configurations. A recurring dilemma in the planning stage of a waste oil to base oil plant is choosing between core separation and finishing technologies. Specifically, when the…

Key Process Equipment in Petrochemical Refineries: An Engineer’s Procurement Guide
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Key Process Equipment in Petrochemical Refineries: An Engineer’s Procurement Guide

Home / Literatures The construction and enlargement of a petrochemical refinery is a capital-intensive investment project. To the project owner, EPC contractor, and procurement managers involved, choosing process equipment is no mean feat and is not only about functional requirements but also determines throughputs, thermal efficiency, OPEX, and compliance with safety regulations. Although a modern refinery…

How to Make Diesel Fuel from Used Motor Oil?
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How to Make Diesel Fuel from Used Motor Oil?

Home / Literatures In today’s unpredictable oil market and growing international push towards ESG compliance, waste oil recycling has evolved from an ecological duty to an extremely profitable industrial business. Among different waste types, refining used motor oil into premium-grade diesel fuel can be considered one of the most profitable industries. There are huge discrepancies…

Waste Oil to Diesel: How to Reduce Sulfur from 5000 ppm to 10 ppm
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Waste Oil to Diesel: How to Reduce Sulfur from 5000 ppm to 10 ppm

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….

Industrial Lubricant Selection: Balancing Equipment Performance and Used Oil Recyclability
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Industrial Lubricant Selection: Balancing Equipment Performance and Used Oil Recyclability

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….

How Waste Oil to Diesel Plant Co-Distilling Waste Motor Oil and Pyrolysis Oil
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How Waste Oil to Diesel Plant Co-Distilling Waste Motor Oil and Pyrolysis Oil

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…

Used Oil Recycling Plant Cost: CAPEX, OPEX, and ROI Optimization Guide
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Used Oil Recycling Plant Cost: CAPEX, OPEX, and ROI Optimization Guide

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.

Enhancing Used Oil Re-Refining: Advanced Decolorization and Deodorization for High-Value Output
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Enhancing Used Oil Re-Refining: Advanced Decolorization and Deodorization for High-Value Output

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…

How We Test Re-refined Base Oil: ASTM Checklist for Quality Assurance
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How We Test Re-refined Base Oil: ASTM Checklist for Quality Assurance

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…

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