Partial oxidation process for producing a stream of hot purified gas
    31.
    发明授权
    Partial oxidation process for producing a stream of hot purified gas 失效
    用于生产热纯净气体流的部分氧化工艺

    公开(公告)号:US5403366A

    公开(公告)日:1995-04-04

    申请号:US77269

    申请日:1993-06-17

    摘要: A partial oxidation process for the production of a stream of hot clean gas substantially free from particulate matter, alkali metal compounds, hydrogen halides, hydrogen cyanide, sulfur-containing gases, and with or without ammonia for use as synthesis gas, reducing gas, or fuel gas. A pumpable hydrocarbonaceous fuel selected from the group consisting of liquid hydrocarbonaceous fuel or liquid emulsions thereof, an aqueous slurry of petroleum coke, and mixtures thereof and wherein said hydrocarbonaceous fuel contains halides, alkali metal compounds, sulfur, nitrogen and inorganic ash containing components, is reacted in a gasifier by partial oxidation to produce a hot raw gas stream comprising H.sub.2, CO, CO.sub.2, H.sub.2 O, CH.sub.4, NH.sub.3, HCN, HCl, HF, H.sub.2 S, COS, N.sub.2, Ar, particulate matter, vapor phase alkali metal compounds, and molten slag. The hot raw gas stream from the gasifier is cooled in a radiant cooler and cleaned. Optionally, ammonia is removed from the gas stream by being catalytically disproportionated into N.sub.2 and H.sub.2. The process gas stream is cooled and halides and HCN in the gas stream are reacted with a supplementary alkali metal compound to remove HCl, HF and HCN. Alkali metal halides and alkali metal cyanide, vaporized alkali metal compounds and residual fine particulate matter are removed from the gas stream by further cooling and filtering. The sulfur-containing gases in the process gas stream are then reacted at high temperature with a regenerable sulfur-reactive mixed metal oxide sulfur sorbent material to produce a sulfided sorbent material which is then separated from the hot clean purified gas stream having a temperature of at least 1000.degree. F.

    摘要翻译: 用于生产基本上不含颗粒物质,碱金属化合物,卤化氢,氰化氢,含硫气体以及用于或不用氨的热清洁气体流的部分氧化方法用作合成气,还原气体或 燃气。 选自液体烃类燃料或其液体乳液,石油焦炭的水性浆料及其混合物的可泵送烃类燃料,其中所述含烃燃料包含卤化物,碱金属化合物,硫,氮和含无机灰分的组分,是 在气化器中通过部分氧化反应产生包含H 2,CO,CO 2,H 2 O,CH 4,NH 3,HCN,HCl,HF,H 2 S,COS,N 2,Ar,颗粒物质,气相碱金属化合物, 和熔渣。 来自气化器的热原料气流在辐射冷却器中冷却并清洁。 任选地,通过催化歧化成N 2和H 2从气流中除去氨。 将工艺气流冷却并将卤化物和气流中的HCN与补充的碱金属化合物反应以除去HCl,HF和HCN。 通过进一步的冷却和过滤,将碱金属卤化物和碱金属氰化物,汽化的碱金属化合物和残留的细颗粒物质从气流中除去。 然后,工艺气体流中的含硫气体在高温下与可再生的硫反应性混合金属氧化物硫吸附剂材料反应以产生硫化吸附剂材料,然后将其从具有温度为 至少1000°F

    Production of demercurized synthesis gas, reducing gas, or fuel gas
    34.
    发明授权
    Production of demercurized synthesis gas, reducing gas, or fuel gas 失效
    生产脱气合成气,还原气或燃气

    公开(公告)号:US4863489A

    公开(公告)日:1989-09-05

    申请号:US305588

    申请日:1989-02-03

    申请人: Robert M. Suggitt

    发明人: Robert M. Suggitt

    IPC分类号: C10J3/46

    摘要: A process for the production of demercurized synthesis gas, reducing gas or fuel gas. Mercury-containing fossil fuels e.g. coal were reacted by partial oxidation to produce gaseous mixtures comprising H.sub.2, CO, H.sub.2 O, CO.sub.2, H.sub.2 S, COS, entrained slag and/or ash, mercury vapor, and optionally CH.sub.4, NH.sub.3, N.sub.2 and Ar. Unexpectedly, the mercury vapor was produced in the reaction zone; and it was found to be thermodynamically stable even in the presence of H.sub.2 S under the strong reducing conditions that prevailed in the gas generator. No new sulfides of mercury were formed. The mercury vapors were removed from the main body of the process gas stream in a pressurized solvent scrubber at a relatively low temperature. By this means, the mercury vapor was condensed and simultaneously the mercury and sulfur contents of the clean process gas stream were reduced to low levels. In one embodiment, the last vestiges of mercury were removed from the demercurized product gas stream by carbon sorption.

    Process for continuously controlling the heat content of a partial
oxidation unit feed-gas stream
    35.
    发明授权
    Process for continuously controlling the heat content of a partial oxidation unit feed-gas stream 失效
    用于连续控制部分氧化单元进料气流的热含量的方法

    公开(公告)号:US5458808A

    公开(公告)日:1995-10-17

    申请号:US178999

    申请日:1994-01-07

    摘要: A process is provided for continuously controlling the hydrocarbon heat content and flow rate of a partial oxidation unit feed-gas stream under conditions where the composition and hence the hydrocarbon heat content of the feed-gas stream is subject to variation. The hydrocarbon heat content of the incoming gases is continuously measured and compared against a design hydrocarbon heat content. An evaluating means calculates whether a moderator is required to decrease the hydrocarbon heat content to the design hydrocarbon heat content or a supplemental high hydrocarbon heat content gas is required to increase the hydrocarbon heat content to the design hydrocarbon heat content. The process utilizes recycle synthesis gas as a moderator. Once the determination is made, the process automatically adjusts flow rates of the recycle synthesis gas stream, the supplemental high hydrocarbon heat content gas stream and the incoming feed-gas stream to provide a partial oxidation unit feed-gas stream with a constant optimum hydrocarbon heat content and flow rate.

    摘要翻译: 提供了一种方法,用于在原料气流的组成和因此的烃热含量变化的条件下连续地控制部分氧化装置原料气流的烃热含量和流量。 输入气体的烃热含量连续测量,并与设计的烃热含量进行比较。 评估装置计算是否需要减速剂以将烃热含量降低到设计烃热含量,或者需要补充的高碳氢化合物热含量气体以将烃热含量增加到设计烃热含量。 该方法利用再循环合成气作为调节剂。 一旦进行确定,该过程自动调节再循环合成气流,补充的高烃热含量气体流和进料进料气流的流速,以提供具有恒定最佳烃热的部分氧化单元进料气流 内容和流量。

    Partial oxidation process for producing a stream of hot purified gas
    37.
    发明授权
    Partial oxidation process for producing a stream of hot purified gas 失效
    用于生产热纯净气体流的部分氧化工艺

    公开(公告)号:US5401282A

    公开(公告)日:1995-03-28

    申请号:US77270

    申请日:1993-06-17

    摘要: A partial oxidation process for the production of a stream of hot clean gas substantially free from particulate matter, ammonia, alkali metal compounds, halides and sulfur-containing gas for use as synthesis gas, reducing gas, or fuel gas. A hydrocarbonaceous fuel comprising a solid carbonaceous fuel with or without liquid hydrocarbonaceous fuel or gaseous hydrocarbon fuel, wherein said hydrocarbonaceous fuel contains halides, alkali metal compounds, sulfur, nitrogen and inorganic ash containing components, is reacted in a gasifier by partial oxidation to produce a hot raw gas stream comprising H.sub.2, CO, CO.sub.2, H.sub.2 O, CH.sub.4, NH.sub.3, HCl, HF, H.sub.2 S, COS, N.sub.2, Ar, particulate matter, vapor phase alkali metal compounds, and molten slag. The hot raw gas stream from the gasifier is split into two streams which are separately deslagged, cleaned and recombined. Ammonia in the gas mixture is catalytically disproportionated into N.sub.2 and H.sub.2. The ammonia-free gas stream is then cooled and halides in the gas stream are reacted with a supplementary alkali metal compound to remove HCl and HF. Alkali metal halides, vaporized alkali metal compounds and residual fine particulate matter are removed from the gas stream by further cooling and filtering. The sulfur-containing gases in the process gas stream are then reacted at high temperature with a regenerable sulfur-reactive mixed metal oxide sulfur sorbent material to produce a sulfided sorbent material which is then separated from the hot clean purified gas stream having a temperature of at least 1000.degree. F.

    摘要翻译: 用于生产基本上不含颗粒物质的热清洁气体流的部分氧化方法,用作合成气,还原气体或燃料气体的氨,碱金属化合物,卤化物和含硫气体。 含有固体碳质燃料的含烃燃料,具有或不含液体烃类燃料或气态烃燃料,其中所述含烃燃料含有卤化物,碱金属化合物,硫,氮和含无机灰分的组分,在气化器中通过部分氧化反应,产生 包含H 2,CO,CO 2,H 2 O,CH 4,NH 3,HCl,HF,H 2 S,COS,N 2,Ar,颗粒物,气相碱金属化合物和熔融炉渣的热原料气流。 来自气化器的热原料气流被分成两股,分别去除,清洗和再结合。 气体混合物中的氨被催化歧化成N 2和H 2。 然后将无氨气流冷却,并将气流中的卤化物与补充的碱金属化合物反应以除去HCl和HF。 通过进一步冷却和过滤,将碱金属卤化物,汽化的碱金属化合物和残留的细颗粒物质从气流中除去。 然后,工艺气体流中的含硫气体在高温下与可再生的硫反应性混合金属氧化物硫吸附剂材料反应以产生硫化吸附剂材料,然后将其从温度为 至少1000°F

    POX process with high temperature desulfurization of syngas
    39.
    发明授权
    POX process with high temperature desulfurization of syngas 失效
    POX工艺与合成气的高温脱硫

    公开(公告)号:US4778485A

    公开(公告)日:1988-10-18

    申请号:US90822

    申请日:1987-08-28

    IPC分类号: C01B3/36 C01B3/56 C10J3/46

    摘要: Synthesis gas, fuel gas, or reducing gas is produced by the noncatalytic partial oxidation of a sulfur-containing liquid hydrocarbonaceous fuel or a slurry of sulfur-containing solid carbonaceous fuel with a free-oxygen containing gas in the free-flow reaction zone of a refractory lined gas generator at an autogenous temperature in the range of about 1900.degree. F. to 2900.degree. F. and above the ash-fusion temperature of the slag formed in the reaction zone, so that about 75 to 95 weight percent of the carbon in the fuel feed to the reaction zone is converted into carbon oxides. At least a portion of the hot effluent gas stream from the reaction zone is passed through a free-flow radiant cooler in admixture with an iron-containing additive. In the radiant cooler at least a portion of the sulfur-containing gases e.g. H.sub.2 S and COS react with the iron-containing additive to produce particulate matter comprising iron oxysulfide. Further, a portion of this newly formed particulate matter and/or the iron-containing additive combine with molten slag and/or ash in the hot raw gas stream passing through the radiant gas cooler. The slag produced thereby has a reduced ash fusion temperature and a reduced viscosity. The remainder of the newly formed particulate matter comprising iron oxysulfide and particulate carbon are entrained in the effluent gas stream leaving the radiant syngas cooler and are separated from the effluent gas stream and optionally recycled to the partial oxidation reaction zone in admixture with fresh fuel feed.

    摘要翻译: 合成气体,燃料气体或还原性气体是通过含硫液体烃类燃料或含硫固体碳质燃料与含游离氧气体的浆料在自由流动反应区中的非催化部分氧化 耐火衬里气体发生器,其自生温度在约1900°F至2900°F的范围内,并高于在反应区中形成的炉渣的灰熔融温度,使得约75至95重量%的碳在 进入反应区的燃料转化为碳氧化物。 来自反应区的至少一部分热的废气流与含铁添加剂的混合物通过自由流辐射冷却器。 在辐射冷却器中,至少一部分含硫气体例如 H 2 S和COS与含铁添加剂反应产生包含硫氧化铁的颗粒物质。 此外,这种新形成的颗粒物质和/或含铁添加剂的一部分与通过辐射气体冷却器的热原料气流中的熔渣和/或灰分组合。 由此产生的炉渣具有降低的灰熔融温度和降低的粘度。 新形成的包含硫氧化铁和颗粒碳的颗粒物质的其余部分被夹带在离开辐射合成气冷却器的流出气流中,并与废气流分离,并任选地与新鲜燃料进料混合再循环到部分氧化反应区。

    Process for producing synthesis gas free-from volatile metal hydrides
    40.
    发明授权
    Process for producing synthesis gas free-from volatile metal hydrides 失效
    用于生产不含挥发性金属氢化物的合成气的方法

    公开(公告)号:US4671803A

    公开(公告)日:1987-06-09

    申请号:US878739

    申请日:1986-06-26

    申请人: Robert M. Suggitt

    发明人: Robert M. Suggitt

    摘要: Process for producing synthesis gas, reducing gas, or fuel gas substantially free-from volatile metal hydride impurities e.g. a hydride of arsenic, germanium, antimony, lead, tin, silicon, and mixtures thereof starting with the partial oxidation of liquid hydrocarbon fuel and/or solid carbonaceous fuel containing at least one mtal impurity from Group IV A and V A of the Periodic Table of Elements. At least one intermetallic reaction product of said metal impurity from Group IV A and V A leaves the gas generator in admixture with the hot raw process gas stream. A metal hydride forms when the gas stream is quench cooled and scrubbed with water. The metal hydride is then decomposed into its elements e.g. H.sub.2 and a Group IV A aor V A metal when the cooled and scrubbed gas stream contacts a solid sorbent material having a minimum surface area of 10 square meters per gram in a gas-solids contacting zone at a temperature in the range of about 0.degree. C. to 350.degree. C., a pressure in the range of about 1 to 250 atmospheres, and a space velocity in the range of about 300 to 10,000 standard cubic feed per hour dry gas feed per cubic foot of solid sorbent material. The metallic portion of the decomposed hydride is deposited on the solid sorbent contacting material in the elemental form or as the sulfide or oxide. A stream of synthesis gas, reducing gas, or fuel gas, substantially free-from volatile metal hydrides is removed from the gas-solids contacting zone in admixture with the hydrogen produced in the decomposing step. Poisoning of downstream catalyst beds and clogging of heat exchanger tubes are thereby avoided. Valuable rare metals may be recovered from fossil fuels by the subject process.

    摘要翻译: 用于生产基本上不含挥发性金属氢化物杂质的合成气,还原气体或燃料气体的方法。 来自元素周期表第IVA和VA族的液态烃燃料和/或含有至少一种原料杂质的固体含碳燃料的部分氧化开始的砷,锗,锑,铅,锡,硅及其混合物的氢化物 元素。 来自组A A和V A的所述金属杂质的至少一种金属间反应产物将气体发生器与热原始工艺气体流混合。 当气流被淬火冷却并用水洗涤时,形成金属氢化物。 然后将金属氢化物分解成其元素,例如。 H2和第IV族当冷却和洗涤的气流在气固 - 固体接触区中在约0℃的温度下接触具有最小表面积为10平方米/克的固体吸附剂材料时, 350℃,约1至250个大气压范围内的压力,以及每立方英尺固体吸附剂材料干燥气体进料每小时约300至10,000标准立方英尺进料空间速度。 分解的氢化物的金属部分以元素形式沉积在固体吸附剂接触材料上,或作为硫化物或氧化物沉积。 基本上不含挥发性金属氢化物的合成气,还原气体或燃料气体流与气体 - 固体接触区域中的分解步骤中产生的氢气混合除去。 从而避免下游催化剂​​床的中毒和热交换器管的堵塞。 有价值的稀有金属可以通过主题过程从化石燃料中回收。