CAS: 10257-55-3; Calcium Sulfite

该化合物是无机化合物,其化学配方为CASO,其特点是白色晶状固体,主要用于各种工业用途,包括作为二氧化硫生产中的减少剂和处理烟气以消除二氧化硫排放的减少剂;硫化钙也作为一种漂白剂在纸业和食品工业中用作防腐剂,在水中略微溶解,溶解性随温度升高而增加;该化合物可通过氢氧化钙与二氧化硫的反应产生,从而形成硫化钙和水;在安全方面,硫化钙一般被认为毒性较低,但接触时会刺激皮肤,眼睛和呼吸道;在正常条件下,它的稳定使它成为各种化学过程的有用化合物,但当加热后,它会分解,释放二氧化硫.

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相似化合物

7783-11-1 7759-02-6 10101-41-4

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    专利信息


    专利号:US-7070757-B2
    优先权日:2000-10-02
    标 题:Method for producing catalysts consisting of metal of the platinum group by means of electroless deposition and the use thereof for the direct synthesis of hydrogen peroxide
    发明人:FISCHER MARTIN; BUTZ THOMAS
    权利人:BASF AG
    摘要:Catalysts produced by electroless deposition of at least one platinum metal on a nonporous nonmetallic support can be used for the synthesis of hydrogen peroxide from the elements and for the hydrogenation of organic compounds.

    专利号:US-11649213-B2
    优先权日:2018-09-26
    标题 :Synthetic method for the preparation of a 3-[5-amino-4-(3-cyanobenzoyl)-pyrazol compound
    发明人:MEISENBACH MARK; MARTIN BENJAMIN; RONDE NIEK JOHANNES; RUIZ CARMEN
    权利人:MEREO BIOPHARMA 1 LTD
    摘要:Provided is a process for preparing a compound, comprising the steps of a) Reacting a compound of Formula A (Formula A) with the compound 3 (3) to provide the compound 5 (5) or a salt or solvate thereof, wherein R is a linear or branched C1-C5 alkyl. Further provided is the compound 5 or a salt or solvate thereof. (5) The use of these compounds in the synthesis of 3-[5-Amino-4-(3-Cyanobenzoyl)-Pyrazol-1-yl]-N-Cyclopropyl-4-Methylbenzamide is also provided.

    专利号:WO-2024158901-A1
    优先权日:2023-01-25
    标题:Synthesis of cement from alternative raw materials and fuels that reduces or eliminates co 2 emissions
    发明人:ATAKAN VAHIT
    权利人:ATAKAN VAHIT
    摘要:Methods for making a cement clinker include providing a source of calcium oxide, and wherein the source of calcium oxide has at least one of calcium sulfate and calcium sulfite; and heating the source of calcium oxide to decompose the source of calcium oxide, wherein the heating includes generating heat by using a low-carbon or carbon-free fuel.

    专利号:US-4769045-A
    优先权日:1986-04-10
    标 题:Method for the desulfurization of hot product gases from coal gasifier
    发明人:GRINDLEY THOMAS
    权利人:US ENERGY
    摘要:The gasification of sulfur-bearing coal produces a synthesis gas which contains a considerable concentration of sulfur compounds especially hydrogen sulfide that renders the synthesis gas environmentally unacceptable unless the concentration of the sulfur compounds is significantly reduced. To provide for such a reduction in the sulfur compounds a calcium compound is added to the gasifier with the coal to provide some sulfur absorption. The synthesis gas from the gasifier contains sulfur compounds and is passed through an external bed of a regenerable solid absorbent, preferably zinc ferrite, for essentially completed desulfurizing the hot synthesis gas. This absorbent is, in turn, periodically or continuously regenerated by passing a mixture of steam and air or oxygen through the bed for converting absorbed hydrogen sulfide to sulfur dioxide. The resulting tail gas containing sulfur dioxide and steam is injected into the gasifier where the sulfur dioxide is converted by the calcium compound into a stable form of sulfur such as calcium sulfate.

    专利号:WO-2011138356-A1
    优先权日:2010-05-07
    标 题 :Process for preparing synthesis gas and at least one organic, liquid or liquefiable value product
    发明人:PROCHAZKA ROMAN; BITTERLICH STEFAN; MACHHAMMER OTTO; DEUERLEIN STEPHAN; KLINGLER DIRK; PANTOUFLAS EMMANOUIL; KINDLER ALOIS; ZOELS BERND
    权利人:BASF SE; PROCHAZKA ROMAN; BITTERLICH STEFAN; MACHHAMMER OTTO; DEUERLEIN STEPHAN; KLINGLER DIRK; PANTOUFLAS EMMANOUIL; KINDLER ALOIS; ZOELS BERND
    摘要:The present invention relates to a process for preparing synthesis gas and at least one organic, liquid or liquefiable value product, by a) providing a biomass starting material, b) subjecting the biomass starting material to digestion, c) optionally, from the digested material obtained in step b), isolating at least one fraction C1) with a heightened aromatics content and at least one fraction C2) with a lowered aromatics content, d) feeding the digestion product from step b) or the high-aromatics fraction C1) from step c) into a dealkylating zone and reacting it in the presence of hydrogen and/or steam, e) taking a discharge from the dealkylating zone and subjecting it to separation, to produce at least one organic, liquid or liquefiable value product and at least one stream with a heightened content of volatile components lighter than the organic value product, and f) using the stream obtained in step e), with a heightened content of volatile components lighter than the organic value product, at least partially for preparing synthesis gas.

    专利号:US-2011275869-A1
    优先权日:2010-05-07
    标题:Process for producing synthesis gas and at least one organic liquid or liquefiable material of value
    发明人:PROCHAZKA ROMAN; BITTERLICH STEFAN; MACHHAMMER OTTO; DEUERLEIN STEPHAN; KLINGLER DIRK; PANTOUFLAS EMMANOUIL; KINDLER ALOIS; ZOELS BERND
    权利人:BASF SE
    摘要:The present invention relates to a process for producing synthesis gas and at least one organic liquid or liquefiable material of value, whereinn a) a biomass starting material is provided, b) the biomass starting material is subjected to a decomposition, c) at least one aromatics-enriched fraction C1) and at least one aromatics-depleted fraction C2) are optionally isolated from the decomposed material obtained in step b), d) the decomposition product from step b) or the aromatics-enriched fraction C1) from step c) is fed into a dealkylation zone and reacted in the presence of hydrogen and/or water vapor, e) a discharge is taken from the dealkylation zone and subjected to a separation to give at least one organic liquid or liquefiable material of value and at least one stream enriched in components which are more volatile than the organic material of value, f) the stream enriched in components which are more volatile than the organic material of value which is obtained in step e) is at least partly used for producing synthesis gas.
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    合成参考文献


    参考文献:10.1007/s00253-001-0914-3
    摘要:Karnachuk OV, Kurochkina SY, Tuovinen OH. Growth of sulfate-reducing bacteria with solid-phase electron acceptors. Appl Microbiol Biotechnol. 2002 Mar;58(4):482–6. doi: 10.1007/s00253-001-0914-3.
    参考文献:10.1007/s00204-019-02501-x
    摘要:Kramer NI, Hoffmans Y, Wu S, Thiel A, Thatcher N, Allen TEH, Levorato S, Traussnig H, Schulte S, Boobis A, Rietjens IMCM, Vinken M. Characterizing the coverage of critical effects relevant in the safety evaluation of food additives by AOPs. Arch Toxicol. 2019 Aug;93(8):2115–25. doi: 10.1007/s00204-019-02501-x.
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