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Dust Control and Air Cleaning covers various areas of concerns in the management of airborne particles and air sanitization. The title provides a comprehensive coverage of the methods in regulating air quality The coverage of the text includes airborne particles and health; the dynamics of particles; and sampling methods. The selection details various air purification methods and technologies such as removal of particles by wet scrubbing; cyclone dust separators; and filter materials and practical filters. The book will be of great use to student and professional building services engineers and technicians.
This book focuses on the study of chemical dust suppression in mine dust pollution control by means of theories, experiments, computer simulation, and case application, aiming at providing chemical dust suppression solutions for mining worksites. It has seven chapters, including the following contents: (1) introduces fundamental theories and applications of chemical dust suppression, analyzes the dust source intensity of worksites and the mechanisms of dust generation, and summarizes the dust control measures for different mining worksites. (2) According to the mechanisms of dust generation in different mining worksites, targeted dust suppressants were developed. Through optimization by monomer experiment and orthogonal experiment, the optimum formula of different types of dust suppressants was obtained, and its properties were characterized. (3) The dust suppressant field application process was introduced, and the economic benefits were analyzed. This book is expected to provide valuable references both for researchers and engineering technicians engaged in environmental engineering, safety engineering, occupational health, and mining metallurgical engineering, and it also serves as a textbook for graduate students in above disciplines.
A photographic look into the world of vinyl record collectors—including Questlove—in the most intimate of environments—their record rooms. Compelling photographic essays from photographer Eilon Paz are paired with in-depth and insightful interviews to illustrate what motivates these collectors to keep digging for more records. The reader gets an up close and personal look at a variety of well-known vinyl champions, including Gilles Peterson and King Britt, as well as a glimpse into the collections of known and unknown DJs, producers, record dealers, and everyday enthusiasts. Driven by his love for vinyl records, Paz takes us on a five-year journey unearthing the very soul of the vinyl community.
Throughout the mining and processing of minerals, the mined ore undergoes a number of crushing, grinding, cleaning, drying, and product sizing operations as it is processed into a marketable commodity. These operations are highly mechanized, and both individually and collectively these processes can generate large amounts of dust. If control technologies are inadequate, hazardous levels of respirable dust may be liberated into the work environment, potentially exposing workers. Accordingly, federal regulations are in place to limit the respirable dust exposure of mine workers. Engineering controls are implemented in mining operations in an effort to reduce dust generation and limit worker exposure.
The Code of Federal Regulations is the codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government.