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Microbial metabolic activity of drilling waste 钻井废弃物的微生物代谢活性
IF 1.5 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-04-01 DOI: 10.24425/aep.2020.135762
A. Jamrozik, R. Zurek, A. Gonet, R. Wiśniowski
Operations conducted by petroleum industry generate an entire range of drilling waste. The chemical composition of drilling waste and its toxicity depend primarily on the geological and technological conditions of drilling, the type of drilled rock deposits and on the type and composition of the drilling mud used. In the course of drilling operations, drilling fluids are in constant contact with bacteria, fungi and other organisms infecting the mud. Pioneer species, capable of surviving and using the resources of this specific environment, are selected. For this reason, the effectiveness of microbiota survival on different types of spent drilling muds and in different dilutions with brown soil was measured. Spent drilling muds samples came from drilling operations in various regions of Poland, e.g. Subcarpathia, the Polish Lowland and Pomerania regions. Oxygen consumption after 96 h was around 20 μg·g‒1 dry mass in soil or soil/drilling water-based mud mixture. Soil mixes contained 10 wt% synthetic base, mud had a higher oxygen consumption – 38 μg · g‒1 dry mass. Oxygen consumption decreases sharply as the content of the spent synthetic base mud fraction increases. A higher concentration of spent SBM (35 wt%) reduced the aerobic metabolism by slightly more than 50%. A high concentration of reduced carbon decreased the respiratory quotient (RQ) value to 0.7. All the researched drilling waste shows microbiological activity. At the full concentration of drilling fluids and non-dilution options, the chemical composition (salinity, inhibitors, etc.) strongly inhibits microbiota development and consequently, respiration. 34 A. Jamrozik, R. Żurek, A. Gonet, R. Wiśniowski Some organic polymers (starch, carboxymethyl cellulose) are easily decomposed by bacteria or fungi (Behera et al. 2014). In the course of drilling operations, drilling fluids and then spent drilling mud are in constant contact with bacteria, fungi and other organisms infecting this mud. This biological contamination is accidental. Only strong microorganisms which can adapt to the existing conditions will survive in a given drilling fluid. In this sense, the spent mud environment predetermines the organisms. Pioneer species, capable of surviving and using the resources of this specific environment, are selected. The colonization of soil-spent drilling mud mixes containing semi-natural and natural polymers e.g. starch, partially hydrolyzed acryloamide, guar gum, and cellulose, has been rarely analyzed. For this reason, we measured the effectiveness of microbiota survival on different types of spent drilling mud and in different dilutions. Experimental analysis Materials The following spent drilling mud types were analyzed: 1. WBM: bentonite (1), chloride-polymeric (2), polymeric-triple inhibited (3), potassium-polymeric (4), polymeric-chloride-inhibited (5), salt-barite (6),and 2. SBM (7). Bentonite mud – K-1/B (1) is an aqueous suspension containing minimum 5wt.% bentonite API. Prior to
石油工业的作业产生了各种各样的钻井废弃物。钻井废物的化学成分及其毒性主要取决于钻井的地质和技术条件、钻探岩石沉积物的类型以及所使用的钻井泥浆的类型和组成。在钻井作业过程中,钻井液经常与感染泥浆的细菌、真菌和其他生物接触。选择能够生存和利用这一特定环境资源的先锋物种。为此,测定了不同类型废钻井泥浆和不同棕壤稀释度下微生物群的生存效果。使用过的钻井泥浆样本来自波兰不同地区的钻井作业,例如Subcarpathia、波兰低地和波美拉尼亚地区。96 h后土壤或土壤/钻井水基泥浆混合物的耗氧量约为20 μg·g-1干质量。混合土含10 wt%合成碱,泥浆耗氧量较高,干质量为38 μg·g-1。随着废合成基泥馏分含量的增加,耗氧量急剧下降。较高浓度的消耗SBM (35 wt%)使有氧代谢降低略高于50%。高浓度的还原碳使呼吸商(RQ)值降至0.7。所有研究的钻井废弃物都显示出微生物活性。在钻井液的全部浓度和非稀释选项下,化学成分(盐度、抑制剂等)会强烈抑制微生物群的发育,从而抑制呼吸作用。34一个。Jamrozik, R. Żurek, A. Gonet, R. Wiśniowski一些有机聚合物(淀粉、羧甲基纤维素)很容易被细菌或真菌分解(Behera et al. 2014)。在钻井作业过程中,钻井液和废钻井泥浆不断与感染这种泥浆的细菌、真菌和其他生物接触。这种生物污染是偶然的。只有能够适应现有条件的强微生物才能在给定的钻井液中生存。从这个意义上说,废泥环境预先决定了生物。选择能够生存和利用这一特定环境资源的先锋物种。含有半天然和天然聚合物(如淀粉、部分水解的丙烯酰胺、瓜尔胶和纤维素)的废土钻井液混合物的定植很少被分析。因此,我们测量了微生物群在不同类型的废钻井泥浆和不同稀释度下的存活率。实验分析材料对废钻井泥浆类型进行了分析:WBM:膨润土(1),氯化物-聚合(2),聚合物-三重抑制(3),钾-聚合(4),聚合物-氯化物-抑制(5),盐-重晶石(6),和2。SBM(7).膨润土泥浆- K-1/B(1)是一种含水悬浮液,最小重量为5wt。%膨润土API。在将膨润土加入水中之前,用0.15wt将其软化。%碳酸钠,0.3wt。同时添加%低粘度羧甲基纤维素(CMC LV)。K-1/P-Cl(2)聚合氯泥浆应用深度为300 ~ 3280 m。它是基于30吨。%上一层的膨润土泥浆。泥浆滤过率降低1.0wt。%低粘度羧甲基纤维素(CMC LV)和0.3wt。%低粘度聚阴离子纤维素(PAC LV)。用0.3wt调节流变参数。%生物聚合物黄檀胶(XCD聚合物)和0.5wt。氯化钾(~7.0wt.%)和部分水解的聚丙烯酰胺PHPA(最大0.5wt.%)降低了钻孔粘土岩的水化作用。0.1 wt。采用%的三嗪衍生物作为杀菌剂。KCl (4.5wt.%)和聚乙二醇(2.0wt.%)对三元抑制聚合泥浆- W-2(3) -粘土岩水化有抑制作用。此外,该泥浆由以下聚合物组成:PHPA (0.3wt.%)、XCD Polymer (0.2wt.%)、PAC (0.6wt.%)、CMC LV (1.0wt.%)、羧甲基淀粉(1.0wt.%)、杀菌剂(0.1wt.%)、氢氧化钠(0.45wt.%)和杀菌剂(~0.1wt.%)。钾聚合泥- KRAM-1/K(4)由KCl、NaCl、PHPA (0.3wt.%)、液态poliamine (3.0wt.%)、低分子量丙烯酰胺共聚物(0.65wt.%)、聚甘醇(最大分子量0.65wt.%)组成。杀菌剂(~0.1wt.%)。抑制聚合氯泥浆- W-1/Cl-P(5),以钾聚合泥浆为基础,以KCL和PHPA (0.55 wt.%)为抑制剂。用PAC (0.6wt.%)、CMC (1.2wt.%)、XCD Polymer (0.2wt.%)和淀粉剂调节过滤。泥浆还由氢氧化钠、苛性钠、碳酸钠和酸性碳酸钠和钡(作为称重剂)组成,重量为0.1wt。采用%的三嗪衍生物作为杀菌剂。盐-重晶石泥浆- L-2K(6)基于NaCl,由重晶石、耐高温合成聚合物(0.5wt.%)、XCD聚合物(max. %)组成。0.6wt.%),变性淀粉(1.2wt. %)。
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Time-delayed effect of petroleum-derived products in soil and their bioremediation on plant – herbivore interaction 土壤中石油衍生产品的时滞效应及其生物修复对植物-草食相互作用的影响
IF 1.5 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-04-01 DOI: 10.24425/AEP.2021.138465
M. Rusin, J. Gospodarek, A. Nadgórska-Socha
The aim of the study was to determine the time-delayed (after three years from the moment of soil pollution) effect of petroleum-derived products (PDPs) (petrol, diesel fuel and used engine oil) on the interaction between selected host plant (broad bean) and a herbivorous insect closely related to it (Sitona spp.). We assessed the condition of the plant exposed to pollutants (i.e. its growth and chemical composition), then we evaluated the attractiveness of the plant for both larvae and adults of the insect. The evaluation covered also the effect of bioremediation by using ZB-01 biopreparation. The results showed that after 3 years from soil contamination, engine oil and diesel fuel limited the feeding of adult sitona weevils while petrol caused increase in the attractiveness of plants for these insects. The PDPs negatively affected the growth of plants. The changes in element content depended on the type of pollutant. The biopreparation ZB-01 eliminated or reduced the differences caused by the presence of PDPs in the soil regarding the chemical composition of the host plant, and limited feeding by both the larvae and adult individuals of sitona weevils. The negative relationships between the contents of both some macroelements (Mg, S) and heavy metals (Zn, Ni), and feeding of imago of Sitona were observed. The obtained results indicate that PDPs remain for a long time in the environment and adversely affect not only the organisms directly exposed to the pollution – plants growing on polluted soil but also further links of the trophic chain, i.e. herbivores. List of abbreviations used at work: PDPs – petroleum-derived products EO – soil contaminated with engine oil, DF – soil contaminated with diesel fuel, P – soil contaminated with petrol, C – control soil, 0R – without bioremediation, R – with bioremediation ZB-01 – the name of the biopreparation used TPH – total petroleum hydrocarbons 72 M. Rusin, J. Gospodarek, A. Nagórska-Socha The effects of PDPs on the growth and development of plants and soil organisms exposed directly to the contact with pollutants are relatively well known (Pennings et al. 2014, Grifoni et al. 2020), but there is very scarce information about indirect effects of these compounds from polluted soil through plants to the subsequent links of trophic chain i.e. phytophagous insects. The results of studies on the impact of different oil concentrations on herbivory invertebrates (grass shrimp Palaemonete spugio and amphipods Gammarus mucronatus) of water plant (Ruppia maritima) suggest a significant and indirect influence of pollutants (Martin and Swenson 2018). Changes in the composition of the host plant due to oil-exposure affected the food preferences of herbivores as well as the amount of food they eat. However, no similar data are available on the effects of PDPs on terrestrial herbivores, which is the purpose of this experiment. Because of their diversity, easy collection and breeding, great fertility, and the short per
本研究的目的是确定石油衍生产品(pdp)(汽油、柴油和二手机油)对选定寄主植物(蚕豆)和与其密切相关的食草昆虫(Sitona spp.)之间相互作用的时滞效应(从土壤污染时刻起3年后)。我们评估了植物暴露于污染物的条件(即其生长和化学成分),然后我们评估了植物对昆虫幼虫和成虫的吸引力。评价了ZB-01生物修复剂的生物修复效果。结果表明,在土壤污染3年后,机油和柴油限制了成虫的取食,而汽油则增加了植物对成虫的吸引力。pdp对植物生长有负面影响。元素含量的变化取决于污染物的类型。生物修复剂ZB-01消除或降低了土壤中pdp对寄主植物化学成分的影响,限制了象鼻虫幼虫和成虫的取食。观察了几种微量元素(Mg、S)和重金属(Zn、Ni)的含量与海象的摄取量呈负相关。研究结果表明,pdp在环境中长期存在,不仅对直接暴露于污染的生物(在污染土壤上生长的植物)产生不利影响,而且对营养链的进一步环节(即食草动物)也产生不利影响。工作中使用的缩写词列表:pdp -石油衍生产品EO -受机油污染的土壤,DF -受柴油污染的土壤,P -受汽油污染的土壤,C -控制土壤,0R -未经生物修复,R -经生物修复的ZB-01 -生物修复使用的TPH -总石油烃72A. Nagórska-Socha pdp对直接接触污染物的植物和土壤生物生长发育的影响相对广为人知(Pennings et al. 2014, Grifoni et al. 2020),但关于这些化合物从受污染的土壤通过植物到营养链后续环节(即植食性昆虫)的间接影响的信息非常少。不同油浓度对水生植物(Ruppia marima)食草无脊椎动物(草虾Palaemonete spugio和片脚类Gammarus mucronatus)影响的研究结果表明,污染物的影响显著且间接(Martin and Swenson 2018)。由于油暴露导致寄主植物成分的变化影响了食草动物的食物偏好以及它们吃的食物量。然而,目前还没有关于pdp对陆生食草动物影响的类似数据,这正是本实验的目的。无脊椎动物具有多样性、易于采集和繁殖、繁殖力大、发育周期短等特点,是测定污染对环境影响的有用因素。我们前期研究证实,pdp对黑豆蚜(Aphis fabae Scop.)的发育参数有不利影响,导致其繁殖力下降,平均寿命缩短,种群内在增长率降低(Rusin et al. 2017)。尽管如此,我们还不知道pdp是如何影响食草动物的食物偏好和食量的。此外,大多数现有文献都提供了石油产品在污染出现后立即或短时间内对自然环境影响的信息(Grifoni et al. 2020, Martin and Swenson 2018)。关于pdp的后续(时滞)影响的数据仍然很少。特别罕见的是涉及现实环境条件的实验,即在现场(Sylvain et al. 2019)。最后,生物修复对土壤-植物-草食系统的影响尚不清楚。象鼻虫(象鼻虫属,鞘翅目,象鼻虫科)是常见的以豆科植物为食的食草昆虫。在子叶长出地面之前,它们会破坏土壤中的子叶。它们啃掉叶片边缘半圆形的饵料碎片,显著减少叶片的同化面,这在植物发育早期尤为有害。这种昆虫的幼虫以根瘤为食,从而减少了植物固定氮的数量,并扰乱了它们的水管理,从而导致生长和发育恶化(Hanavan和bosque - p2013.2012)。蚕豆(Vicia faba L.)已被用作研究土壤污染物(包括pdp)对植物生长发育影响的模式植物(Malallah et al. 1996)。该研究的目的是确定时间延迟(即。 研究了汽油、柴油和废机油等pdp对寄主植物(蚕豆)和与其密切相关的食草昆虫(Sitona spp.)之间相互作用的影响。研究了pdp对蚕豆生长和植物各器官中选定营养物质含量的影响。此外,还确定了生物修复工艺(添加生物修复剂ZB-01)对上述特征的影响。ZB-01生物修复剂是一种广泛用于启动和刺激污染水体和土壤中石油衍生物质生物降解的微生物制剂。我们之所以选择它,是因为它在分解石油衍生污染物方面的作用已经被许多研究证实(Petryszak et al. 2008, Kaszycki et al. 2010, Kaszycki et al. 2011, Kaszycki et al. 2015)。最后,分析了蚕豆取食、土壤pdp污染与蚕豆化学成分(常量元素和重金属)的关系。通过这种新的多营养方法,我们试图确定pdp污染是否会间接影响暴露于污染中的生物,并以同样的方式影响食物链的进一步环节,以及评估由特别制备的微生物生物修复启动的生物修复在恢复土壤-植物-草食系统平衡中的有用性。现场实验于2013年在克拉科夫农业大学实验站进行,该实验站位于克拉科夫附近的Mydlniki(波兰;50.0815°N, 19.84730°E)。2009年11月,土(壤土沙;pH(KCl) = 6.45;pH(H2O) = 7.12;碳总量= 10.4 g kg -1;氮= 0.90 g kg-1;C: n = 11.6;CaCO3 = 1.7 g kg -1;有效磷= 7.14 mg 100 g-1;有效镁= 5.64 mg 100 g-1;有效钾= 14.25 mg 100 g-1)放置在32个体积为1 m3 (1 m × 1 m × 1 m)的特殊容器中,保持层间的自然排列。我们使用经过认证的塑料容器来储存油、石油产品和溶剂等物质。这些容器是双层底的。上面的底部,支撑在支架上,穿孔,使可能流出的水(含可能的污染物)。在填土之前,容器还内衬了一层非织造土工布,以防止土壤通过底部穿孔渗漏。在每个容器底部以下的一侧安装了一个水箱(与容器底部相连),以收集容器内土壤中可能产生的废水。水箱有一个通向水面的塑料管,可以把多余的水抽出来。采用该工艺是为了避免污染土壤的废水对环境造成污染。所有容器还提供了穿孔塑料管(放置在大约。在重力系统中提供足够的土壤曝气,这是生物修复正确进行的先决条件。这些容器被埋在地下,使它们的上边缘与土壤表面在同一水平面上。容器中的土壤在没有任何干预的情况下放置八个月,以恢复其自然的生物功能。2010年6月,将汽油(BP无铅95)(P)、废机油(白金经典半合成10W-40,在汽油发动机中使用一年)(EO)和柴油(BP柴油燃料)(DF)人工污染土壤表面,每千克干质量中每6000毫克PDP。pdp分别使用。从pdp污染开始的一周后和一年后,一半的容器加入生物修复剂ZB-01进行生物修复处理。ZB-01是农业大学生物化学系专门为本次实验制作的,土壤中石油衍生产品的时滞效应及其生物修复对植物-草食相互作用73在Kraków上的影响,含有选定的原核生物(窄养单胞菌、假单胞菌、莫拉菌、不动杆菌、Alcaligenes、Ochrobactrum、Comamonas、Burkholderia、杆状杆菌和Oligella)。这些细菌是多年来从被有机化合物严重污染的地点分离出来的(Kaszycki et al. 2001)。我们早期的研究也证实了这种生物修复剂在降解石油污染物方面的活性(Gospodarek et al. 2016)。在保持土壤60%吸湿率的情况下,采用喷淋处理。在施用ZB-01之前,用于该处理
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引用次数: 1
Microbial and chemical quality assessment of the small rivers entering the South Baltic. Part II: Case study on the watercourses in the Puck Bay catchment area 进入南波罗的海的小河的微生物和化学质量评价。第II部份:以个案研究的方式,探讨扁湾集水区的水道
IF 1.5 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-04-01 DOI: 10.24425/aep.2022.140545
E. Bączkowska, A. Kalinowska, Oskar Ronda, K. Jankowska, Rafał Bray, Bartosz Płóciennik, Ż. Polkowska
: Due to its location, Puck Bay is an area particularly vulnerable to pollution of anthropogenic origin. The aim of the study was to assess the water quality of small watercourses entering the inner part of Puck Bay. The paper presents the results of chemical and microbiological analyses of 10 rivers and canals at their estuaries located on the western shore of the internal Puck Bay. The following environmental parameters were analyzed: conductivity, pH, dissolved oxygen concentration (in situ measurements), COD (cuvette tests), concentrations of ions (ion chromatography). Microbiological analysis included assessment of sanitary condition based on the number of fecal coliforms by a cultivation method. The determination of basic microbiological parameters such as: prokaryotic cell abundance expressed as total cells number (TCN), prokaryotic cell biovolume expressed as average cell volume (ACV), the prokaryotic biomass (PB) and prokaryotic cell morphotype diversity were determined using epifluorescence microscopy method. Based on the obtained
:由于其地理位置,帕克湾是一个特别容易受到人为污染的地区。是项研究的目的是评估进入帕克湾内部的小水道的水质。本文介绍了对位于内帕克湾西岸河口的10条河流和运河的化学和微生物分析结果。分析了以下环境参数:电导率、pH值、溶解氧浓度(原位测量)、COD(试管测试)、离子浓度(离子色谱法)。微生物学分析包括用培养法根据粪便大肠菌群数量评估卫生状况。以总细胞数(TCN)表示的原核细胞丰度(TCN)、以平均细胞体积(ACV)表示的原核细胞体积(ACV)、原核生物量(PB)和原核细胞形态型多样性等基本微生物学参数的测定。基于得到的
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引用次数: 1
Spatial distribution of the water exchange through river cross-section – measurements and the numerical model 河流断面测量水交换的空间分布及数值模型
IF 1.5 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-04-01 DOI: 10.24425/aep.2021.136450
Maria Grodzka-Łukaszewska, Zofi, Grzegorz Pawlak, Sinicyn
: The aspects of surface stability and groundwater exchange recognized by many researchers due to the intensification of agriculture and industry (manifested in, e.g., regulation and dredging of riverbed sediments of rivers) are now widely discussed on the international forum of water policy and management. It is essential to assess the spatial variability of water exchange through the river length and cross sections for the preparation of data and calculation of the groundwater flow model. This article presents research which describes the spatial distribution of the surface water-groundwater interaction within the river cross-section. Two measurement series were carried out to describe its variability. Additionally, a groundwater flow model was
由于农业和工业的集约化(例如,河流河床沉积物的调节和疏浚),许多研究人员认识到地表稳定性和地下水交换的各个方面,现在在水政策和管理的国际论坛上得到广泛讨论。地下水流动模型的数据准备和计算必须通过河流长度和断面来评估水交换的空间变异性。本文对河流断面内地表水-地下水相互作用的空间分布进行了研究。进行了两个测量系列来描述其变异性。建立了地下水流动模型
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引用次数: 2
Polycyclic aromatic hydrocarbons in water and bottom sediments of a shallow, lowland dammed reservoir (on the example of the reservoir Blachownia, South Poland) 浅层低地水坝水库水和底部沉积物中的多环芳烃(以波兰南部Blachownia水库为例)
IF 1.5 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-04-01 DOI: 10.24425/118177
I. Jureczko, M. Kostecki, A. Pohl, M. Czaplicka, B. Łozowski
The content of polycyclic aromatic hydrocarbons (PAHs) in water and sediments of the Blachownia reservoir (South Poland) was investigated. Spatial variability of PAH concentrations in the longitudinal profi le of the tank was determined. PAHs in samples were determined by gas chromatography coupled with mass spectrometric detection (GC-MS QP-2010 Plus Shimadzu) using an internal standard. Concentrations ranged from 0.103 μg/L to 2.667 μg/L (Σ16 PAHs) in water samples and from 2.329 mg/kg d.w. to 9.078 mg/kg d.w. (Σ16 PAHs) in sediment samples. A pollution balance was calculated and it was estimated that the infl ow load was 17.70 kg PAHs during the year and the outfl ow load was 9.30 kg PAHs per year. Accumulation of about 50% of the annual PAH loads (8.90 kg) is a threat to the ecological condition of the ecosystem. It was calculated that the PAH loads in bottom sediment were about 80 kg, which limits their economic use. Improvement of the ecological status of this type of reservoir can be achieved by removing the sediment. Analysis of the diagnostic ratios obtained for selected PAHs showed that the potential sources of PAH emissions in small agricultural – forest catchments can be combustion of a coal, wood, plant material (low emission, forest fi res, burning grass, etc.). Transportation is also signifi cant. Polycyclic aromatic hydrocarbons in water and bottom sediments of a shallow, lowland dammed reservoir... 11 in the environment or utilization (Kostecki 2003, Kostecki and Czaplicka 2001). Determining the relationship between selected PAHs can be used to defi ne the origin of the pollutant. Table 1 shows PAH diagnostic ratios with their typically reported values for particular processes. The aim of the study was to obtain knowledge about the role of lowland dam reservoir as the reactor in which the quality of water and bottom sediments is formed. The novelty scientifi c studies were to attempt to determine the relationship between the morphometry of the reservoir and PAHs concentration in sediments. In determining the spatial variability of concentrations in the longitudinal profi le of the reservoir, its depth diversity was taken into account. The aim of the study was to demonstrate the specifi city of the self-cleaning processes taking place in the lowland reservoirs. Using the balance method, the ecosystem’s ability to accumulate organic pollutants was determined. Research Methodology The object of studies The reservoir in Blachownia is an example of a typical lowland, dammed reservoir formed by damming the Stradomka river. Such reservoirs are important elements in local water management. By small differences in the level of damming they maintain the correct level of groundwater, thus reducing the effects of drought and fl oods during the spring and summer. They are valuable ecosystems enhancing biodiversity of fl ora and fauna. Additionally, they are a recreation area for local communities. The reservoir has an area of 47 hectares, and
研究了波兰南部Blachownia水库水体和沉积物中多环芳烃(PAHs)的含量。测定了多环芳烃浓度在水槽纵剖面上的空间变异性。采用内标气相色谱-质谱联用(GC-MS QP-2010 Plus Shimadzu)法测定样品中的多环芳烃。水样中多环芳烃浓度范围为0.103 ~ 2.667 μg/L (Σ16),沉积物中多环芳烃浓度范围为2.329 ~ 9.078 mg/kg d.w. (Σ16)。计算了污染平衡,估计年内流入低负荷为17.70 kg /年,流出负荷为9.30 kg /年。累积约50%的年多环芳烃负荷(8.90 kg)对生态系统的生态状况构成威胁。经计算,底泥中多环芳烃的负荷约为80 kg,限制了其经济利用。通过排沙可以改善这类水库的生态状况。对选定的多环芳烃诊断比率的分析表明,在小型农林业集水区,多环芳烃的潜在排放源可能是煤、木材、植物材料(低排放、森林火灾、燃烧的草等)的燃烧。交通也很重要。浅层低坝水库水体和底泥中多环芳烃的研究进展。11在环境或利用(Kostecki 2003, Kostecki和Czaplicka 2001)。确定选定的多环芳烃之间的关系可以用来确定污染物的来源。表1显示了多环芳烃诊断比率及其对特定过程的典型报告值。该研究的目的是了解低地水坝水库作为形成水质和底部沉积物的反应器的作用。新颖的科学研究是试图确定水库形态与沉积物中多环芳烃浓度之间的关系。在确定储层纵向剖面上浓度的空间变异性时,考虑了其深度多样性。该研究的目的是证明在低地水库中发生的自清洁过程的具体城市。利用平衡法,确定了生态系统对有机污染物的累积能力。研究方法研究对象Blachownia的水库是一个典型的低地水坝水库,由Stradomka河筑坝而成。这些水库是当地水资源管理的重要组成部分。通过水坝水平的微小差异,它们保持了地下水的正确水平,从而减少了春夏干旱和洪水的影响。它们是宝贵的生态系统,增强了动植物的生物多样性。此外,它们还是当地社区的休闲场所。水库面积47公顷,蓄水量约50万立方米。其在坝区的最大深度约为2.0 m,平均深度约为1.0 m。水库由地表水道Stradomka和Trzepizurka提供水源。水库总集水区面积113.33 km2,其中Stradomka集水区67.89 km2, Trzepizurka集水区22.11 km2 (Siwiński 2015)。水库周边各市的人口密度在80-113人/平方公里之间波动。该区土地利用以林地(47.2-62.0%)和农用地(25.0-43.9%)为主,而城市化地区仅占8.9-13.0% (CSO 2015)。在分析水库之前,来自Herby村的机械-生物污水处理厂(WWTP)的废水被输送到Stradomka河,该污水处理厂为大约4300名居民提供服务,处理能力为1100立方米/天。此外,位于水库集水区的部分村庄没有污水处理系统。城市污水管理主要依赖于污水池中污水的保留,并将其输送到污水处理厂(KZGW 2012)。2013年5月至9月,在四个地点采集了5次水样,每个月一次:W1 - Stradomka河入口,W2 - Trzepizurka河入口(Aleksandrowski河)到水库,W3 -水库,“lido”处,W4 -水库,水库出水口。表1。诊断比率通常与他们的报道值用于特定流程PAH比率值范围参考来源∑流明瓦/∑高分子量< 2008 >火成的Zhang et al。1造岩的∑梳/∑多环芳烃~ 1燃烧Ravindra et al . 2008 FL / (FL + PYR) < 0.5汽油排放Ravindra et al . 2008 b > 0.5柴油排放ANT / (ANT +板式换热器)< 0.1造岩的馅饼et al . 2008 > 0.1佛罗里达州火成的/(佛罗里达州+ PYR) < 0.4造岩的De La Torre-Roche et al . 2009 0.4 -0.5化石燃料燃烧> 0.5草、木、煤燃烧BaA/(BaA + CHR) 0。
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引用次数: 9
Nitrate concentration-related safety of drinking water from various sources intended for consumption by neonates and infants 不同来源供新生儿和婴儿饮用的饮用水与硝酸盐浓度相关的安全性
IF 1.5 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-04-01 DOI: 10.24425/118176
E. Królak, J. Raczuk
The aim of the paper is to compare nitrate concentrations in samples of supply water as well as water from deep and dug wells located in the eastern region of Poland. Additionally, samples of bottled water (spring and natural mineral), certifi ed by the Institute of Mother and Child and the Children’s Memorial Health Institute, were subjected to analyses. On the basis of the obtained results, health risks related to the occurrence of methemoglobinemia in neonates and infants were evaluated. The risk analysis was performed according to the procedure recommended by the United States Environmental Protection Agency. Nitrate concentrations in the examined samples ranged from: 0.153–161.1 mg/l. The lowest concentration of nitrates was determined in the samples of bottled water, the highest being detected in the water from dug wells. It was found that nitrate concentration in samples of bottled and supply water did not pose any risk to the health of neonates and infants. The highest health risk related to methemoglobinemia occurs for neonates consuming water originating from dug wells. The risk decreases along with the age of an infant.
本文的目的是比较供水样品中的硝酸盐浓度以及位于波兰东部地区的深水井和挖井的水。此外,还对经母婴研究所和儿童纪念健康研究所认证的瓶装水(泉水和天然矿物质)样本进行了分析。根据获得的结果,对新生儿和婴儿发生高铁血红蛋白血症相关的健康风险进行了评估。风险分析是根据美国环境保护署建议的程序进行的。检测样品中的硝酸盐浓度范围为:0.153-161.1毫克/升。瓶装水的硝酸盐含量最低,而挖井水的硝酸盐含量最高。调查发现,瓶装水和供水样品中的硝酸盐浓度不会对新生儿和婴儿的健康构成任何风险。与高铁血红蛋白血症有关的最高健康风险发生在饮用来自挖井的水的新生儿身上。这种风险随着婴儿的年龄而降低。
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引用次数: 1
Assessment of PCB-contaminated soil pretreatment remediation by hydroxypropyl-β-cyclodextrin (HP-β-CD) 羟丙基-β-环糊精(HP-β-CD)预处理修复多氯联苯污染土壤效果评价
IF 1.5 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-04-01 DOI: 10.24425/AEP.2020.132526
Xun-Lei Liu, Ning Ding, Hong Liu, Chen Houwang
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引用次数: 0
Interaction of selected pesticides with mineral and organic soil components 选定农药与土壤矿质和有机组分的相互作用
IF 1.5 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-04-01 DOI: 10.24425/aep.2020.134538
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引用次数: 10
Prediction of PM2.5 hourly concentrations in Beijing based on machine learning algorithm and ground-based LiDAR 基于机器学习算法和地面激光雷达的北京PM2.5小时浓度预测
IF 1.5 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-04-01 DOI: 10.24425/aep.2021.138468
Zhiyuan Fang, Hao Yang, Cheng Li, Liangliang Cheng, Ming Zhao, Chenbo Xie
The prediction of PM2.5 is important for environmental forecasting and air pollution control. In this study, four machine learning methods, ground-based LiDAR data and meteorological data were used to predict the ground-level PM2.5 concentrations in Beijing. Among the four methods, the random forest (RF) method was the most effective in predicting ground-level PM2.5 concentrations. Compared with BP neural network, support vector machine (SVM), and various linear fitting methods, the accuracy of the RF method was superior by 10%. The method can describe the spatial and temporal variation in PM2.5 concentrations under different meteorological conditions, with low root mean square error (RMSE) and mean square deviation (MD), and the consistency index (IA) reached 99.69%. Under different weather conditions, the hourly variation in PM2.5 concentrations has a good descriptive ability. In this paper, we analyzed the weights of input variables in the RF method, constructed a pollution case to correspond to the relationship between input variables and PM2.5, and analyzed the sources of pollutants via HYSPLIT backward trajectory. This method can study the interaction between PM2.5 and air pollution variables, and provide new ideas for preventing and forecasting air pollution.
PM2.5的预测对环境预报和大气污染防治具有重要意义。本研究采用四种机器学习方法、地面激光雷达数据和气象数据对北京市地面PM2.5浓度进行预测。在四种方法中,随机森林(RF)方法在预测地面PM2.5浓度方面最有效。与BP神经网络、支持向量机(SVM)和各种线性拟合方法相比,RF方法的拟合精度提高了10%。该方法能较好地描述不同气象条件下PM2.5浓度的时空变化,具有较低的均方根误差(RMSE)和均方差(MD),一致性指数(IA)达到99.69%。在不同天气条件下,PM2.5浓度的逐时变化具有较好的描述能力。本文分析了RF方法中输入变量的权重,构建了一个污染案例来对应输入变量与PM2.5之间的关系,并通过HYSPLIT反向轨迹分析了污染物的来源。该方法可以研究PM2.5与大气污染变量之间的相互作用,为大气污染的预防和预测提供新的思路。
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引用次数: 2
Ammonia emission from livestock productionin Poland and its regional diversity,in the years 2005–2017 2005-2017年波兰畜牧业氨排放及其区域多样性
IF 1.5 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Pub Date : 2023-04-01 DOI: 10.24425/AEP.2019.130247
Paulina Mielcarek-Bocheńska, W. Rzeźnik
{"title":"Ammonia emission from livestock productionin Poland and its regional diversity,in the years 2005–2017","authors":"Paulina Mielcarek-Bocheńska, W. Rzeźnik","doi":"10.24425/AEP.2019.130247","DOIUrl":"https://doi.org/10.24425/AEP.2019.130247","url":null,"abstract":"","PeriodicalId":48950,"journal":{"name":"Archives of Environmental Protection","volume":"93 1","pages":""},"PeriodicalIF":1.5,"publicationDate":"2023-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83842037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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