.... As comparison pattern are being used the results obtained with conventional methods (gravimetric coupons and electric resistance probes). internal corrosion on-line monitoring non-intrusive techniques pipeline integrity management INTRODUCTION Internal corrosion is one of the main problems related...

... of practical on-line monitoring, the use and benefits of the EN instrumentation, in combination with process chemistry analyses, were employed to monitor operating conditions in a full-scale Coke Oven Gas (COG) desulfurization process in which the corrosion rate changed with time.¹ The underlying...

... electrochemical theory and reviews recent applications that demonstrate its use to characterize aggressive environments and fouling behavior in large combustion plants. high temperature on-line monitoring power generation repowering biomass co-firing waste to energy oxy-fuel electrochemical noise...

... operational units, which could correlate the naphthenic acid corrosion variables. This paper presents results on the type and degree of predominant corrosive process in distillation plants. These results were obtained by on-line monitoring in transfer lines, using electrical resistance technique. Analyses...

...Fouling Control automation corrosion on-line monitoring real-time control microbial control INTRODUCTION A process to improve the monitoring, control, and chemistry was applied to a chosen cooling tower in the Chevron El Segundo Refinery ^{∗ ∗} . This refinery uses treated...

... by these opportunity crudes. crude oil chemical treatment real-time tools crude oil feed system desalting process overhead corrosion performance sensors on-line monitoring electrochemical noise detection and alarming application-focused programs INTRODUCTION Much of the corrosion and corrosion-related...

.... corrosion inhibition drag reduction quaternary ammonium compounds on-line monitoring DC coupling inhibitor oilfield INTRODUCTION Dynamic surface tension was measured for CTACl and CTAS in DI water at room temperature using 5 bubbles/sec rate. The results are shown in Figure 5 . Similar results were...

... is not made on the problem. On-line corrosion monitoring can identify the periods of highest corrosion, but without direct correlation with process parameters it can be difficult to identify the cause of the corrosion upsets. An additional problem is that most process plant Distributed Control Systems (DCS...

... localized corrosion on-line monitoring DC coupling inhibitor oilfield INTRODUCTION A new potentiostatic electrochemical noise (P-ECN) technique was recently introduced and its performance demonstrated in the lab ^{1 , 2} . The technique is based on the current and potential noise measurements...

... ZRA and P-ECN noise measurements is presented using a mild steel/brine corrosion system. electrochemical noise potentiostatic control localized corrosion on-line monitoring flow inhibitor oilfield INTRODUCTION Electrochemical noise (ECN) may be defined as the spontaneous fluctuations of current...

...boiler corrosion product monitoring spectroscopy x-ray electric utility on-line monitoring INTRODUCTION Abstract Systems for the on-line determination of corrosion products are reviewed. Commercial spectrophotometric, x-ray fluorometric, and particle monitoring systems are available. Reports...

... facility. corrosion inhibitors boiler condensate amines on-line monitoring risk management steam INTRODUCTION Maximizing the efficiency and reliability of steam generating systems is a primary objective of powerhouse personnel. In order to accomplish this objective, every aspect of the steam system...

... be accurately correlated to the concentration of toxicant present. This system can also be used to monitor the response of microbiological populations to treatment programs by monitoring shifts in ATP levels. On-line dosage/monitoring control of a biocide product can be achieved by the addition of an inert...

... process. Accurate high temperature metrology methods are now available which can give an accuracy of ± 2 μm and thus give significant measurements in a much shorter time than in the past. On-line corrosion monitors are being developed which give a significant response in periods of hours or days...

.... Monitoring On-Line Monitoring Pipeline Corrosion MIC Sulfate Reducing Bacteria Acid Producing Bacteria Sessile Bacteria CONCLUSIONS Large numbers (10⁴ - 10⁸) of Acid Producing Bacteria (APB's) and Sulfate Reducing Bacteria (SRB's) were found in all three crude oil pipelines...

... with minimal operator involvement. Finally, there are wider applications for this on-line XRF monitor. Though the present system is geared toward iron analysis in corrosion products, it could as well be configured for other elements or groups of elements for other applications such as lead, sulfur, copper...

... be tracked with particle monitoring. Particle monitoring is especially useful for detecting corrosion product release events in the condensate systems so that steps can be taken to prevent iron oxide particles from being returned to the boiler. boilers corrosion on-line monitoring iron oxide particle...

... surface. An overview of the in-the-field development program with results from recent trials are presented and discussed. Fouling under-deposit corrosion on-line monitoring cooling water systems INTRODUCTION Instrumentation Needs Conventional monitoring methods have focused separately on fouling...

...The intent of this paper is to present a perspective on the changes in sampling, storage, and handling of water and condensed steam from the time of exclusive grab sampling to the current methodology of on-line monitoring plus a look at the future emerging technologies for in-situ monitoring...

... isotherms used to characterize specific metal/inhibitor/environment systems. Corrosion Inhibition Electrochemical Impedance Electrochemical Noise Polarization Resistance Inhibition in Oil and Gas Systems On-Line Monitoring INTRODUCTION Over the past thirty years knowledge of corrosion inhibition...