A Global Approach to Energy Savings in Compressed Air

2003 ◽  
pp. 28-32
Author(s):  
Kenneth Pauwels
Keyword(s):  
Energy Savings ◽  
Compressed Air ◽  
Global Approach

scholarly journals Energy savings in compressed air systems a case of study

2021 ◽  
Vol 1154 (1) ◽  
pp. 012009
Author(s):  
H Hernández Herrera ◽  
D Patiño Villalba ◽  
E Noriega Angarita ◽  
J I Silva Ortega ◽  
C A Caraballo Echavarría
Keyword(s):  
Energy Savings ◽  
Compressed Air

Influence of Volumetric Capacity on Energy Consumption in Oil-Lubricated Compressed Air Systems

2016 ◽  
Vol 8 (4) ◽  
Author(s):  
Pawel Olszewski ◽  
Claus Borgnakke
Keyword(s):  
Mathematical Model ◽  
Energy Efficiency ◽  
Energy Consumption ◽  
Potential Energy ◽  
Uncertainty Analysis ◽  
Control Strategy ◽  
Energy Savings ◽  
Compressed Air ◽  
Numerical Code ◽  
Volumetric Capacity

The aim of this research is to estimate the influence of compressed air volumetric capacity on the energy consumption in systems equipped with oil-lubricated screw compressors. A mathematical model of oil-lubricated screw compressors has been proposed. The model is verified by comparing with real measurements, and overall uncertainty analysis is estimated. An in-house developed numerical code (c++) is used to calculate the energy consumption in 252,000 combinations. The final result can be used to estimate the energy efficiency of existing air systems and to assess potential energy savings due to changes in the operation of the system and its control strategy.

Solved upscaling problems for implementing deammonification of rejection water

2006 ◽  
Vol 53 (12) ◽  
pp. 121-128 ◽  
Author(s):  
B. Wett
Keyword(s):  
Nitrogen Removal ◽  
Metabolic Pathways ◽  
Energy Savings ◽  
Scientific Literature ◽  
Compressed Air ◽  
Successful Implementation ◽  
Design Capacity ◽  
Autotrophic Metabolism ◽  
Start Up ◽  
The Mean

So far, extremely efficient metabolic pathways for nitrogen removal exclusively by autotrophic organisms are well established in scientific literature but not in practice. This paper presents results from the successful implementation of rejection water deammonification in a full-scale single sludge system at the WWTP Strass, Austria. Anaerobic ammonia oxidising biomass has been accumulated during a 2.5 year start-up period when the reactor size was gradually scaled up in the steps. The pH-controlled deammonification system (DEMON) has reached a design capacity of eliminating approximately 300 kg of nitrogen per day. Energy savings outperform expectations, decreasing the mean specific demand for compressed air from 109 m3(kg N)−1 to 29 m3(kg N)−1. Dominance of autotrophic metabolism is confirmed by organic effluent loads topping influent loads.

scholarly journals Improving energy efficiency in compressed air systems - practical experiences

2016 ◽  
Vol 20 (suppl. 2) ◽  
pp. 355-370 ◽  
Author(s):  
Dragan Seslija ◽  
Ivana Milenkovic ◽  
Slobodan Dudic ◽  
Jovan Sulc
Keyword(s):  
Control Systems ◽  
Systematic Approach ◽  
System Analysis ◽  
Energy Savings ◽  
Compressed Air ◽  
Robotic Cell ◽  
Pneumatic Control ◽  
Production And Consumption ◽  
Strategy Identification ◽  
Practical Experiences

This paper presents practical experiences of savings within compressed air systems with the special attention to the compressed air end uses, particularly in pneumatic control systems. Firstly, the systematic approach to energy savings is presented. Following, various energy-saving measures have been reviewed. They encompassed system analysis and harmonization of production and consumption, minimisation of loses (leak prevention strategy, identification and quantification of leakages), possibilities for reducing pressure drop on filters, and three methods for optimization of pneumatic control: by-pass control, PWM control, and usage of exhaust air. Finally, energy conservation of a complex robotic cell with installed electric and pneumatic devices is shown.

ENERGY USAGE OPTIMISATION IN SOUTH AFRICAN MINES

2014 ◽  
Vol 59 (1) ◽  
pp. 53-69 ◽  
Author(s):  
Ali Hasan ◽  
Bhekisipho Twala ◽  
Khmaies Ouahada ◽  
Tshilidzi Marwala
Keyword(s):  
South Africa ◽  
South African ◽  
Energy Savings ◽  
Compressed Air ◽  
Electricity Supply ◽  
Peak Time ◽  
Demand Side ◽  
Energy Usage ◽  
Load Shifting ◽  
Water Pumping

Abstract In recent years, South Africa has encountered a critical electricity supply which necessitated the implementation of demand-side management (DSM) projects. Load shifting and energy (EE) efficiency projects were introduced in mining sector to reduce the electricity usage during day peak time. As the compressed air networks and the water pumping systems are using large amounts of the mines’ electricity, possible ways were investigated and implemented to improve and optimise the energy consumption and to reduce the costs. Implementing DSM and EE in four different mines resulted in achieving the desired energy savings and load-shifting.

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