fixed bed

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• fixed-bed catalyst — Any catalyst used in a reactor where the catalyst fills the reactor and remains motionless (fixed) and the gas and/or liquid feed mixtures flows past. The fluid flows through the void spaces between catalyst particles …   Petroleum refining glossary

• cyclic fixed-bed system — A process were the feed and conditions in a catalytic reactor are changed regularly in an alternating fashion. The most common example is where the reaction deposits coke; feed is passed through the bed continuously until the activity falls to a… …   Petroleum refining glossary

• Bed — Bed, n. [AS. bed, bedd; akin to OS. bed, D. bed, bedde, Icel. be?r, Dan. bed, Sw. b[ a]dd, Goth. badi, OHG. betti, G. bett, bette, bed, beet a plat of ground; all of uncertain origin.] 1. An article of furniture to sleep or take rest in or on; a… …   The Collaborative International Dictionary of English

• Bed of justice — Bed Bed, n. [AS. bed, bedd; akin to OS. bed, D. bed, bedde, Icel. be?r, Dan. bed, Sw. b[ a]dd, Goth. badi, OHG. betti, G. bett, bette, bed, beet a plat of ground; all of uncertain origin.] 1. An article of furniture to sleep or take rest in or… …   The Collaborative International Dictionary of English

• bed — ► NOUN 1) a piece of furniture incorporating a mattress or other surface for sleeping or resting on. 2) informal a bed as a place for sexual activity. 3) an area of ground where flowers and plants are grown. 4) a flat base or foundation. 5) a… …   English terms dictionary

• Fixed verse — forms are a kind of template or formula that poetry can be composed in. The converse of fixed verse is Free Verse poetry, which by design has little or no pre established guidelines.The various poetic forms, such as meter, rhyme scheme, and… …   Wikipedia

• semi-regenerative fixed-bed system — One of several types of platinum reforming processes …   Petroleum refining glossary

• bed stone — the fixed lower member of a pair of millstones. Cf. runner (def. 12). [1715 25] * * * …   Universalium

• bed stone — noun 1. : a large foundation stone 2. : the stationary lower stone of a pair of millstones * * * the fixed lower member of a pair of millstones. Cf. runner (def. 12). [1715 25] …   Useful english dictionary

• From bed and board — Bed Bed, n. [AS. bed, bedd; akin to OS. bed, D. bed, bedde, Icel. be?r, Dan. bed, Sw. b[ a]dd, Goth. badi, OHG. betti, G. bett, bette, bed, beet a plat of ground; all of uncertain origin.] 1. An article of furniture to sleep or take rest in or… …   The Collaborative International Dictionary of English

• To be brought to bed — Bed Bed, n. [AS. bed, bedd; akin to OS. bed, D. bed, bedde, Icel. be?r, Dan. bed, Sw. b[ a]dd, Goth. badi, OHG. betti, G. bett, bette, bed, beet a plat of ground; all of uncertain origin.] 1. An article of furniture to sleep or take rest in or… …   The Collaborative International Dictionary of English