低溫甲醇洗工藝中酸性氣硫化氫和羰基硫濃度，芝麻香白酒，3-甲硫基丙醇，室內(nèi)空氣，焦?fàn)t煤氣，煉廠氣，天然氣，變壓器油，多氯聯(lián)苯，植物油，增塑劑，塑化劑，乙酸乙酯，醫(yī)療器械

低溫甲醇洗工藝中酸性氣硫化氫和羰基硫濃度
低溫甲醇洗工藝中酸性氣硫化氫和羰基硫濃度 詳細(xì)信息：



氣化爐產(chǎn)生的粗爐氣中仍然含有大量雜質(zhì),例如硫化物等,這些有害雜質(zhì)遠(yuǎn)不能夠滿足后續(xù)工藝的運(yùn)行需要的同時(shí)也達(dá)不到環(huán)保要求.此外,水煤氣變換單元產(chǎn)生的大量二氧化碳也需進(jìn)行凈化處理.低溫甲醇洗工藝的主要原理是將冷甲醇應(yīng)用為吸收溶劑,從而脫除二氧化碳、硫化氫、羰基硫等多種有害酸性氣體.低溫甲醇洗技術(shù)是一種氣體凈化的物理方法.

甲醇廠煤制甲醇工藝中,甲醇合成工段對(duì)合成氣中硫化氫含量控制要求極其嚴(yán)格,要求含量小于0.1×10-6(V/V)。目前用于分析測(cè)定氣體中硫化氫的方法有天然氣中硫化氫含量的測(cè)定、亞甲基藍(lán)法、著色長(zhǎng)度檢測(cè)管法、氧化微庫(kù)侖法測(cè)定總硫含量、氣相色譜法等。

浩瀚色譜（山東）應(yīng)用技術(shù)開(kāi)發(fā)有限公司選用氣相色譜法進(jìn)行試驗(yàn)討論,主要從本法測(cè)定過(guò)程中所涉及的標(biāo)準(zhǔn)氣體濃度變化、標(biāo)氣流量、減壓閥材質(zhì)、色譜柱飽和情況等方面,詳細(xì)討論從曲線制作到樣品測(cè)定過(guò)程中的影響因素,來(lái)方法測(cè)定的準(zhǔn)確度,以便能正確地指導(dǎo)工藝操作,防止發(fā)生合成催化劑中毒等不良后果。

名稱：硫化物專用柱

固定相：專用

規(guī)格：3m*3mm

型號(hào)：HH一sulfide-III

應(yīng)用：硫化氫，羰基硫，二硫化碳，噻吩，甲硫醚，甲硫醇，乙硫醇，乙硫醚，二甲er硫等9種硫化物的測(cè)定

低溫甲醇洗工藝中酸性氣硫化氫和羰基硫濃度   測(cè)試譜圖：





Concentration of acid gas hydrogen sulfide and carbonyl sulfide in low temperature methanol washing process
Acid Gas Hydrogen Sulfide and Carbonyl Sulfide Concentrations in Low Temperature Methanol Washing Process Details:



The crude furnace gas produced by the gasifier still contains a large amount of impurities, such as sulfides, etc. These harmful impurities are far from meeting the operation needs of the subsequent process and also cannot meet the environmental protection requirements. In addition, the large amount of carbon dioxide produced by the water gas shift unit also Purification treatment is required. The main principle of the low-temperature methanol washing process is to apply cold methanol as an absorption solvent, thereby removing carbon dioxide, hydrogen sulfide, carbonyl sulfide and other harmful acid gases. The low-temperature methanol washing technology is a physical method of gas purification .

In the methanol plant coal-to-methanol process, the methanol synthesis section has extremely strict control requirements on the content of hydrogen sulfide in the synthesis gas, and the content is required to be less than 0.1×10-6(V/V). At present, the methods used to analyze and measure hydrogen sulfide in gas include the determination of hydrogen sulfide content in natural gas, the methylene blue method, the coloring length detection tube method, the oxidation microcoulomb method for the determination of total sulfur content, and gas chromatography.

Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. selected gas chromatography for experimental discussions, mainly from the standard gas concentration changes, standard gas flow, pressure reducing valve material, column saturation and other aspects involved in the determination process of this method. The influencing factors in the process from curve making to sample measurement are discussed to ensure the accuracy of the method measurement, so as to guide the process operation correctly and prevent the occurrence of adverse consequences such as synthesis catalyst poisoning.


Name: Special column for sulfide

Stationary Phase: Dedicated

Specifications: 3m*3mm

Model: HH-sulfide-III

Application: Determination of 9 kinds of sulfides such as hydrogen sulfide, carbonyl sulfide, carbon disulfide, thiophene, methyl sulfide, methyl mercaptan, ethyl mercaptan, ethyl sulfide, dimethyl sulfide, etc.



Test spectrum of acid gas hydrogen sulfide and carbonyl sulfide concentration in low temperature methanol washing process: