Importance

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Abstract

An in-line monitoring apparatus for monitoring particulate matter in a liquid stream includes an inlet and outlet for ingress and discharge of a liquid stream. An in-line particulate matter-sampling unit is arranged for accumulation of particulate matter suspending in the liquid flow between the inlet and outlet, including an apparatus for measuring particulate matter accumulation therein. Further, there is apparatus for separating particulate matter from the liquid stream and for providing the particulate matter to the in-line sampling unit and control apparatus for operating the in-line monitoring apparatus in a first and second operative mode. In the first mode, the in-line sampling unit is operative to permit entry and accumulation of particulate matter therein for measurement by the in-line monitoring apparatus, and in the second mode, a flow of liquid along the first conduit passes through the in-line sampling unit so as to remove the particulate matter accumulations therefrom so as to flush out any particulate matter as may have accumulated in the in-line sampling unit.

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First Claim