Xem 1-11 trên 11 kết quả Oil recovery processes
  • Worldwide, crude oil demand is unceasingly increasing. As a response, Enhanced Oil Recovery (EOR) processes have re‐gained interest from the research and development phases to the oilfield EOR implementation stage. This renewed interest has been also furthered by the current high oil price environment, the maturation of oilfields worldwide, and few new‐well discoveries. Concurrently, environmental concerns and public pressure related to crude oil pollution control and remediation of oilcontaminated sites are becoming greater than ever....

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  • This book is intended for graduate students, researchers, and reservoir engineers who want to understand the mathematical description of the chromatographic mechanisms that are the basis for gas injection processes for enhanced oil recovery. Readers familiar with the calculus of partial derivatives and properties of matrices (including eigenvalues and eigenvectors) should have no trouble following the mathematical development of the material presented.

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  • PRODUCE-ECONOMICALLY- PART OF OIL LEFT BY CONVENTIONAL RECOVERY METHODS – Improvement of displacement efficiency decreasing Sorw miscible or near miscible gas injection chemical flood-surfactants increasing gravity forces oil vaporization – Improvement of volumetric sweep efficiency lowering mobility ratio by increasing w chemical flood - polymers reducing o thermal flood

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  • There is increasing political and environmental pressure on industry to clean up the water which it uses in many processes, and to re-use this water where possible. This cleaning is done using specially-developed industrial membranes and this book covers the types and design of membranes, how they work and in which industries they are used. Special attention is paid to the textile, food/ beverage, pharmaceutical, oil and pulp and paper industries where such membranes are in regular use.

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  • Environment-friendly treatment of sewage sludge has become tremendously important. Conversion ofsewage sludge into energy products by environment-friendly conversion process, with its energy recovery and environmental benefits, is being paid significant attention.

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  • Refinery Process Air Emissions The most significant air emission sources in oil refineries are catalytic or thermal cracking units, catalytic reformer units, sulfur recovery plants, storage vessels, fluid coking units wastewater streams, cooling towers, equipment leaks, blowdown systems, vacuum distillation units, steam boilers, process furnaces, process heaters, compressor engines, barge or ship loading and gasoline loading racks specifically located at petroleum refineries.

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  • Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS SECTION 18 ENVIRONMENTAL CONTROL AND ENERGY CONSERVATION ENVIRONMENTAL CONTAMINATION ANALYSIS AND PREVENTION 18.2 Recycle Profit Potentials in Municipal Wastes 18.2 Choice of Cleanup Technology for Contaminated Waste Sites 18.4 Cleaning Up a Contaminated Waste Site Via Bioremediation 18.10 Process and Effluent Treatment Plant Cost Estimates by Scale-Up Methods 18.16 Work Required to Clean Oil-Polluted Beaches 18.73 Sizing Explosion Vents for Industrial Structures 18.75 Industrial Building Ventilation for Environmental Safety 18.

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  • that can occur during the various phases of oil and gas recovery from subsurface reservoirs including production, drilling, hydraulic fracturing, and workover operations. Formation damage assessment, control, and remediation are among the most important issues to be resolved for efficient exploitation of hydrocarbon reservoirs. Such damage is caused by various adverse processes, including chemical, physical, biological, and thermal interactions of formation and fluids, and deformation of formation under stress and fluid shear.

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  • High specific surface area. The amount of gas–liquid surface area per unit volume of material that is attainable in a foam is greater than that in comparable two-phase systems. This property makes gas–liquid foam particularly attractive for interphase mass transfer operations. Examples of such processes are froth flotation, in which valuable hydrophobic particles are recovered from a slurry, the recovery of oil sands, and the stripping of gases from effluent by absorption into the liquid phase....

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  • Modifications of the dry-grind facility have made the recovery of corn germ possible in dry milling. Normally, neither corn germ nor any other corn fraction is separated out before becoming part of the mash; all components go through fermentation and become part of the feed coproduct, DDGS. Various modifications of the process have made it possible to recover fiber and corn germ—and thus corn oil—from both the endosperm and the peri- carp (outer covering) of the kernel.

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  • Cogeneration is frequently defined as the sequential production of necessary heat and power (electrical or mechanical) or the recovery of low-level energy for power production. This sequential energy production yields fuel savings relative to separate energy production facilities because both the heat and power requirements are satisfied from a common/single fuel source.

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