生物脱硫(BDS)是指在常温常压的温和反应条件下，利用特殊需氧、厌氧微生物(菌种)的催化作用，在人为操作情况下将原料中的H2S或有机硫化合物转化为元素硫或硫酸盐的一种工艺过程。全球能源供应日益紧张、排放标准也越来越严格，生物脱硫技术也被较广应用。目前，生物脱硫工艺的使用涉及煤炭、原油及成品油加工，废气处理厂，天然气、地热气及生物燃气净化等诸多化石能源与新型能源领域，并在化工、造纸以及采矿等工业中被较广使用，因此生物脱硫被誉为21世纪很有发展前景的新型脱硫工艺。生物脱硫产品包括：氧化铁脱硫剂、二氧化硫脱硫剂、小笛视频污污网站下载所用脱硫剂、炼油厂所用脱硫剂、羟基铁脱硫剂、羟基铁粉、粉状活性炭、惰性瓷球、活性炭脱硫剂、氧化锌脱硫剂、烟气脱硫剂、高效锰铁脱硫剂。生物脱硫产品较广应用于天然气，油气田，小笛视频污污网站下载，煤化工，焦化厂，垃圾填埋场等含硫气体的脱除。业内常用的小笛视频污污网站下载脱硫方法有：干法脱硫、湿法脱硫、生物法脱硫等几种脱硫方法。黑龙江生物脱硫工艺介绍

Biological desulfurization (BDS) refers to a process that utilizes the catalytic action of special aerobic and anaerobic microorganisms (strains) under mild reaction conditions at room temperature and pressure to convert H2S or organic sulfur compounds in raw materials into elemental sulfur or sulfate under human operation. The global energy supply is becoming increasingly tight, and emission standards are becoming stricter. Biological desulfurization technology is also widely used. At present, the use of biological desulfurization technology involves coal, crude oil and refined oil processing, waste gas treatment plants, natural gas, geothermal gas and biogas purification, and many other fossil and new energy fields. It is widely used in industries such as chemical, papermaking and mining. Therefore, biological desulfurization is known as a promising new desulfurization technology in the 21st century. Biological desulfurization products include: iron oxide desulfurizer, sulfur dioxide desulfurizer, desulfurizer used in biogas, desulfurizer used in refineries, hydroxy iron desulfurizer, hydroxy iron powder, powdered activated carbon, inert ceramic balls, activated carbon desulfurizer, zinc oxide desulfurizer, flue gas desulfurizer, and high-efficiency manganese iron desulfurizer. Biological desulfurization products are widely used in the removal of sulfur-containing gases from natural gas, oil and gas fields, biogas, coal chemical industry, coking plants, landfills, and other sources. The commonly used biogas desulfurization methods in the industry include dry desulfurization, wet desulfurization, biological desulfurization, and several other desulfurization methods. Introduction to Heilongjiang Biodesulfurization Process

小笛视频污污网站下载脱硫是选用化学法，它可以分为碱吸收、化学吸附、化学氧化以及高温热氧化等几种办法。化学法脱硫运转费用很高，首要原因是在运转进程中需求很多的化学药剂和较高的能耗，而且还会发生新的含硫化合物，假如得不到极好处置会发生新的环境污染。生物脱硫是代替化学脱硫的一种新技能，它可以在很多方面战胜化学脱硫的缺乏。在生物脱硫进程中，触及两大类微生物，即光能自养型微生物和化能自养型微生物。这篇文章综述了这两大类微生物去掉小笛视频污污网站下载中H2S的基本原理。湖南牛奶行业生物脱硫干法脱硫的特点：结构简单，使用方便。工作过程中无需人员值守，定期换料，一用一备，交替运行。

Biogas desulfurization is a chemical method, which can be divided into several methods such as alkali absorption, chemical adsorption, chemical oxidation, and high-temperature thermal oxidation. The operation cost of chemical desulfurization is very high, mainly due to the high demand for chemical agents and energy consumption during the operation process, as well as the generation of new sulfur-containing compounds. If not properly disposed of, new environmental pollution may occur. Biological desulfurization is a new skill that replaces chemical desulfurization and can overcome the lack of chemical desulfurization in many aspects. In the process of biological desulfurization, two major types of microorganisms are involved, namely photoautotrophic microorganisms and chemoautotrophic microorganisms. This article summarizes the basic principles of removing H2S from biogas by these two types of microorganisms. The characteristics of biological desulfurization dry desulfurization in Hunan milk industry are simple structure and convenient use. No personnel are required to be on duty during the work process, with regular material replacement, one in use and one backup, and alternate operation.

生物脱硫法与传统的物理、化学脱硫法比较，后者能耗高、处理费用贵重，促进大家寻觅低能耗、高功率、经济而的处理办法，生物脱硫技能则为这一范畴的研讨和运用拓荒了新的方向。虽然生物脱硫技能具有诱人的工业运用远景，但技能总体上仍是处于研讨开发期间，现在依然面对很多应战，为该技能的迅速发展设置了屏障。研讨人员一方面要寻求具有脱硫作用的菌种，研讨它的脱硫作用，另一方面要运用生物技能和基因工程的有关常识来进步它的活性、稳定性和选择性，以求到达非常好的脱硫作用，完成小笛视频污污网站下载去掉H2S技能的新打破。

Compared with traditional physical and chemical desulfurization methods, the latter has high energy consumption and expensive processing costs, which promotes the search for low-energy, high-power, and economical treatment methods. The technology of biological desulfurization has opened up new directions for research and application in this field. Although biological desulfurization technology has promising industrial applications, it is still in the stage of research and development, facing many challenges that have set barriers for its rapid development. On the one hand, researchers need to seek strains of bacteria with desulfurization capabilities and study their desulfurization effects. On the other hand, they need to use relevant knowledge of biological skills and genetic engineering to improve their activity, stability, and selectivity, in order to achieve very good desulfurization effects and complete a new breakthrough in the technology of removing H2S from biogas.

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