NEX XT

NEX XT is a sulfur process analyzer. It delivers total sulfur measurement from 0.04 to 6 wt% of crude, bunker fuel, fuel oils, and other highly viscous hydrocarbons, including residuums. Whether used for crude oil blending and monitoring, assaying or blending marine bunker fuels, or custody transfer, the Rigaku NEX XT is an excellent on-line tool for sulfur analysis in petroleum streams. It is well suited to meet the industry’s varying demands and help you maximize profitability.

On-Line total sulfur gauge

NEX XT provides online, real-time X-ray transmission (XRT) measurements of sulfur ranging from 400 parts-per-million (ppm) to 6 wt% across various petroleum streams. It represents the next generation of process solutions for sulfur measurement in crude, bunker fuel, fuel oils, and other highly viscous hydrocarbons.

Designed for total sulfur analysis needs, NEX XT is versatile, compact, and specifically built the needs of refineries, pipelines, blending operations, bunkering terminals, and other storage facilities.

• Ideal for crude oil and refinery feedstock blending and monitoring
• Perfect for marine fuel blending and monitoring to meet IMO MARPOL regulations
• Quality monitoring of crude at remote collection and storage facilities
• Monitor high-temperature vacuum gas oils

X-ray Transmission / Absorption (XRT / XRA) Method

X-ray Transmission (XRT) gauging has long been an accepted technique for the measurement of total sulfur (S) in heavy hydrocarbon process streams. Whether used for pipeline switching, crude oil blending or to assay or blend marine and bunker fuels, the Rigaku NEX XT XRT process analyzer is well suited to rigorous process environments. It performs continuous, reliable sulfur monitoring at pressures up to 100 bar (1480 psig) and up to 200°C in custom configuration. NEX XT operates as a standalone analyzer or provides real-time closed-loop control when tied into a blending or plant-wide automation system.

X-ray transmission gauging involves measuring the attenuation of a monochromatic X-ray beam at a specific energy (21 keV) that is specific to sulfur (S). In practice, a process stream passes through a flow cell where sulfur (S), in the hydrocarbon matrix, absorbs X-rays transmitted between an X-ray source and detector. The recorded X-ray intensity is inversely proportional to the sulfur concentration, thus the highest sulfur levels transmit the least X-rays.