process monitoring Articles

The case study outlines the installation of Protoc TOC analysers at Manchester International Airport used for continuous surface water quality monitoring and control. The Protoc TOC instrument manufactured in the UK by Pollution & Process Monitoring Ltd was rigorously tested and was selected for a number of installations at critical drainage locations which have proved the reliability of the ...

Oct. 31, 2016

By Pollution & Process Monitoring Ltd

Abstract: Principal components analysis (PCA) is a multivariate statistical (MVS) technology that can be applied in process monitoring and fault diagnosis. Dofasco has developed on-line multivariate statistical process control (SPC) monitoring systems for both its #1 and #2 continuous casters (#1CC & #2CC) based on this technology. The paper introduces the reader to the basic process of steel ...

Dec. 31, 2001

By inCTRL Solutions Inc.

This paper proposes a Variable Sampling Interval version of the Fixed Sampling Interval S2-EWMA control chart developed by Castagliola (2004) and dedicated to the monitoring of the sample variance of a process. In this paper, we explain how the various parameters of this VSI S2-EWMA control chart can be computed and how the use of the VSI feature significantly ...

Dec. 26, 2006

By Inderscience Publishers

Melt pressure is one of the most important process parameters in polymer extrusion and is closely related to product quality. However, it is not directly controllable and may be affected in a complex manner by changing other process operating conditions such as screw speed and barrel set temperatures. The ability to predict such parameters would be a powerful tool to aid process design and ...

Nov. 26, 2012

By Inderscience Publishers

Abstract In recent years, the FDA response to companies with insufficient proof of control over their production has become more aggressive, demonstrated by the rise in 483s and warning letters issued. Topics related to environmental monitoring programs are included in the most common reasons 483s are issued. By becoming aware of the regulations and reasoning backing 483 distribution, ...

May 19, 2019

By Particle Measuring Systems

The ZE: 908 allows users to add a noise measurement capability to an existing process control system. The ZE:908 is a small, lightweight power supply and acoustic conditioning unit for microphone preamplifiers, it is ideal as a front-end for data logging and analysis systems where a simple and accurate acoustic input is required as an interface between an acoustic transducer and a process ...

Feb. 18, 2013

By Cirrus Research plc

Aerobic granulation from floccular sludge is difficult to detect in first stages with the naked eye. This work proposes a combination of multi-way principal components and case-based reasoning to predict the granulation state of a sequencing batch reactor, based solely on the on-line registered profiles of common sensors (i.e. pH, dissolved oxygen and oxidation-reduction potential). The ...

Feb. 25, 2014

By IWA Publishing

Intellectual disability is common and lifelong, with lifetime cost. Thus, this people have been the focus of recent major national policy developments in Europe, the USA, Australia and across high-income countries. The education of these students with disabilities now can benefit from a wider range of assistive tools. Following this unstoppable trend, this paper presents MAS, a software platform ...

Aug. 21, 2010

By Inderscience Publishers

The case study outlines the installation of Protoc TOC analysers at Heineken used for monitoring key effluent streams and proactively manage their site effluent. After ten years of continuous operation, the instruments are still performing reliably and are an integral part of the Company’s environmental compliance. The site has used the Protoc analysers to gain a better understanding of ...

Jul. 25, 2016

By Pollution & Process Monitoring Ltd

Anglian Water (AWS) has selected the Proam ammonia monitor to provide continuous ammonia measurement on final effluent discharge where accurate and reliable measurement is required. One of the most recent installations is at Stanningfield WwTW situated near Bury St. Edmunds, in Suffolk. This is a small rural site receiving primarily domestic sewage. The site performs aerobic ...

Oct. 26, 2016

By Pollution & Process Monitoring Ltd

SENTRY-AD bio-electrode sensor (BES) that monitors the microbial metabolic activity of exoelectrogenic bacteria and can be used in anaerobic digestion wastewater treatment processes. The data collected aids operators ...

Sep. 9, 2019

By Island Water Technologies Inc. (IWT)

Woodside had been experiencing intermittent blockages in 4/5 S1406 LNG trains since September 2008 and had been unable to pinpoint the source of the problems. Repeated hydrate formations were leading to reduced productivity and the existing process monitoring instrumentation had failed to confirm moisture breakthrough on the beds. The site's existing Panametrics portable moisture analysers had ...

Jun. 9, 2014

By Moisture Control & Measurement Ltd

DIAMOND is a 24-month ‘Research for SMEs’ European Union's  (FP7/2007_2013) project that began in September 2012 and finished in August 2014. The project aims to achieve a model of excellence in the management of wastewater treatment systems by addressing ...

Feb. 8, 2015

By IWA Publishing

The ZE:908 is a small and lightweight power supply and acoustic conditioning unit for the Cirrus MV:200 microphone preamplifiers and MK:170 Outdoor microphone units. Many industrial plants have a variety of process sensors strategically placed around their site so that safety, environmental impact and efficiency can be monitored and managed, in real time, from one or more control rooms. The ...

Jan. 15, 2013

By Cirrus Environmental

Sector: Distribution Number of Sites: 1 Audits Per Year: 5,000 + The Challenge To Migrate from a Plethora of Disjointed Auditing Formats Tesco’s distribution centre in Donabate, Dublin, Ireland is a 780,000 square foot facility with a handling capacity of 1.5m cases ...

Aug. 21, 2019

By ECAT - Electronic Compliance Audit Tools

The number of automated measuring and reporting systems used in water distribution and sewer systems is dramatically increasing and, as a consequence, so is the volume of data acquired. Since real-time data is likely to contain a certain amount of anomalous values and data acquisition equipment is not perfect, it is essential to equip the SCADA (Supervisory Control and Data Acquisition) system ...

Jun. 30, 2011

By IWA Publishing

Raman spectroscopy is an established laser-based technology for the quality assurance of pharmaceutical products. Over the past few years, Raman spectroscopy has become a powerful diagnostic tool in the life sciences. Raman spectra allow assessment of the overall molecular constitution of biological samples, based on specific signals from proteins, nucleic acids, lipids, carbohydrates, and ...

Jul. 30, 2012

By AcuTech Scientific Inc.

Radioactive isotopes, particularly in the form of radiotracers and radioactive sealed sources, have been used over a broad spectrum of process industries for equipment and process troubleshooting, monitoring, control, inspection, optimisation and many other purposes. Radioisotope-based measurement techniques are best suited for multiphase flow systems encountered in industrial processes, since ...

Aug. 13, 2009

By Inderscience Publishers

The main idea of this paper is to develop a methodology for process monitoring, fault detection and predictive diagnosis of a WasteWater Treatment Plant (WWTP). To achieve this goal, a combination of Multiway Principal Component Analysis (MPCA) and Case-Based Reasoning (CBR) is proposed. First, MPCA is used to reduce the multi-dimensional nature of online process data, which summarises most of ...

Dec. 31, 2010

By IWA Publishing

Three large wastewater treatment plants in Sweden participate in a project evaluating different types of ammonium feedback controllers in full-scale operation. The goal is to improve process monitoring, maintain effluent water quality and save energy. The paper presents the outcome of the long-term evaluation of controllers. Based on the experiences gained from the full-scale implementations, a ...

Apr. 9, 2014

By IWA Publishing