Chlorine is often present in crude oils and the concentration can vary greatly depending on the origin. If not removed, chlorine can react to form highly corrosive hydrochloric acid in areas such as crude tower overheads, leading to serious operational issues, economic loss, and safety concerns. The need for a reliable online chlorine analyzer for refining process control is more important than ever. Clora Online (Clora OL) complies with the ASTM D7536 method and delivers continuous chlorine analysis to monitor plant equipment corrosion. By monitoring desalted crude, a plant can optimize performance and immediately see the impacts of crude changes (including organic chlorides). Additionally, monitoring overhead water can provide the necessary feedback for chemical feed.

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Update time:2020-05-26

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Overview
Features
Standards
Application
Instruments

Overview

Chlorine is often present in crude oils and the concentration can vary greatly depending on the origin. If not removed, chlorine can react to form highly corrosive hydrochloric acid in areas such as crude tower overheads, leading to serious operational issues, economic loss, and safety concerns. The need for a reliable online chlorine analyzer for refining process control is more important than ever. Clora Online (Clora OL) complies with the ASTM D7536 method and delivers continuous chlorine analysis to monitor plant equipment corrosion. By monitoring desalted crude, a plant can optimize performance and immediately see the impacts of crude changes (including organic chlorides). Additionally, monitoring overhead water can provide the necessary feedback for chemical feed.

Features

Using MWD XRF monochromatic wavelength dispersive X-ray fluorescence technology, ultra-low background
LOD: 0.2ppm (Hydrocarbon), 0.6ppm (Aqueous)
Dynamic Range:0.2 ppm – 3000 ppm
For most application purposes, one calibration curve over full dynamic range
Robust industrial design: wall mounted or stand alone
Low Maintenance: no consumable liquids, gasses, combustion, or sample conversion
ATEX Zone 1 and NEC Cl | Div 2 Certified

standards

ASTM D7536-16 Standard Test Method for Chlorine in Aromatics by Monochromatic Wavelength Dispersive X-ray Fluorescence Spectrometry
ASTM D4929-19 Standard Test Method for Determination of Organic Chloride Content in Crude Oil (procedure C)
SH/T 0977-2019 Using Monochromatic wavelength dispersive X-ray fluorescence spectrometr to determine Light liquid fuels determination of chlorine content

application field

Pipeline terminals

Pipeline terminals
interface cuts, custody transfer acceptance, and tank contamination prevention
Refinery

Refinery
for hydrofining unit and blending system

Pipeline terminals

Pipeline terminals
interface cuts, custody transfer acceptance, and tank contamination prevention
Refinery

Refinery
for hydrofining unit and blending system