BT-Online2は、特許取得済みのフーリエ光学系と逆フーリエ光学系を採用し、実験室用装置と同等の精度で信頼性の高い測定結果を提供します。合計92個の検出器が光学セットアップに精密に配置されており、湿式法を用いて0.02～2000μmの範囲の正確な粒度分析を行います。外部希釈システムにより、BT-Online2は固形分の多い試料にも対応でき、その応用範囲は大きく広がります。BT-Online2には最大4本のプロセスラインを接続することができ、投資の節約、スペース効率の向上、データ管理の簡素化を実現します。
機能と利点
- ● 特許取得の光学セットアップが測定精度を向上
- ● 信頼性の高い空気圧サンプリングシステム
- ● 最大4つのプロセスラインのモニタリング
- ● 外部希釈システムにより最適なオブスキュレーションを実現
- ● 実験用機器と同じ測定精度
- ● 濾過システムにより有機溶剤の再利用が可能
概要
BT-Online2-湿式法によるオンライン測定の革新的ソリューション
BT-Online1は、0.1～1000μmの粒径範囲の乾式粒子用のオンライン粒度分布測定機として使用されます。BT-Online1はプロセスループに統合され、品質検査やパラメータモニタリングに役立つ測定結果をリアルタイムで提供します。
特許取得の光学セットアップが測定精度を向上
ベータサイズ・インスツルメンツが提供する特許取得済みのフーリエおよび逆フーリエ光学系は、前方、側方、後方の検出器を搭載し、非常に広い角度範囲での散乱光信号の検出を実現します。
光学セットアップの利点
- サンプルセルを傾斜させることで、内部全反射を軽減。
- 測定範囲の拡大
- 微小粒子の測定精度が向上
信頼性の高い空圧サンプリングシステム
この設計により
- クロスコンタミネーションのない効果的なサンプル抽出
- 電気を使用しない安全な操作
外部希釈による最適なオブスキュレーションの達成
ほとんどの場合、サンプルの固形分濃度は非常に高く、BT-Online2にサンプルを導入した際のオブスキュレーションは高くなります。そのため、一次希釈には外部希釈システムが必要です。
実験装置との整合性
性能検証により、BT-Online2が提供する測定値は、実用標準物質の公称値と一致します。
BT-Online2とラボの測定器の間の結果の偏差は非常に小さく、粒度曲線はほぼ重なり合っています。
ろ過システムで有機溶媒をリサイクル
水の代わりに有機溶媒をキャリアとして使用する場合、BT-Online2と連動して有機溶媒をリサイクルする可動式ろ過システムが利用できます。
最大4つのプロセスラインのモニタリング
BT-Online2には、最大4つのプロセスラインを個別のSOPで取り付けることができます。各プロセスラインの測定結果はソフトウェアに直感的に表示され、設備投資の節約とデータ管理を簡素化します。
アプリケーション
- 様々な産業における継続的で正確な測定
特許取得済みの光学システムにより、優れた再現性で正確な測定結果を提供します。
- BT-Online2と外部希釈システムの測定手順
アクセサリーとして、外部希釈システムをBT-Online2に接続することができ、多重散乱の場合に濃縮されたサンプルを測定するソリューションを提供します。外部希釈システムには、4つのプロセスラインに対応する4つのインレットポートと、一次希釈されたサンプルを排出するための1つのアウトレットポートがあります。
Citations
- Bettersizer 2600
Functional redundancy as an indicator for evaluating functional diversity of macrobenthos under the mussel raft farm near Gouqi Island
DOI: 10.1016/j.aquaculture.2023.740024 Read Article
Zhejiang Ocean University | 2024Biological traits analysis (BTA) helps to evaluate the effects of different environmental variables on the traits-based functional composition of macrobenthos. However, research on functional traits of macrobenthos under mussel farming is limited. We investigated the spatial and temporal response of the benthic system in terms of taxonomic and functional diversity to environmental variables of farming and natural stressors resulting from suspended mussel farming near Gouqi Island of eastern China Sea. The functional traits of macrobenthic assemblages under mussel farming were characterized by “medium adult body size”, “vermiform body form”, “high flexibility”, “infauna”, “semi-motile”, “gonochoristic”, “surface deposit-feeders”, “carnivores”, “semi-motile burrowers”, and “tube-dwellers”. Functional redundancy was stable in response to mussel farming stresses among seasons, whereas species diversity showed efficient to evaluate natural variables. Functional diversity was significantly affected by farming stressors rather than natural variables, Further analysis using multivariate methods together with continuous monitoring were highlighted to evaluate the impacts of mussel farming. Our results reinforce the importance of macrobenthic species and functional traits analysis to evaluate human stresses driven impacts in offshore ecosystems. By analysing the environmental variables with different sources, independently, we concluded the main effects of human pressures on macrobenthic community. Such distinction could be particularly effective to isolate variable environmental descriptors and evaluate their effects on functional diversity, making the current approach promising for the evaluation of ecological effects of anthropogenic stressors in aquaculture areas. - Bettersizer 2600
Degradation characteristics and utilization strategies of a covalent bonded resin-based solid amine during capturing CO2 from flue gas
DOI: 10.1016/j.seppur.2023.125621 Read ArticleChina University of Petroleum | 2024In this study, various types of degradation as well as attrition which are possibly encountered in a circulating fluidized bed temperature swing adsorption (CFB-TSA) process, were conducted experimentally to evaluate the stability of a resin-based solid amine sorbent. Other characterizations methods, such as elemental analysis (EA), Fourier transform infrared spectroscopy (FTIR) etc. were applied to further reveal the degradation mechanisms. The results showed that thermal degradation occurs from 140–160 °C due to the decomposition of amine group. The CO2-induced degradation occurs from a higher temperature of 160–180 °C accompanied by the production of urea. Hydrothermal stability is good below 130 °C, but the ionic impurities in steam crystalized on particle surface can accelerate the degradation. Oxidative degradation is the most harmful, which starts at a lower temperature of 70–80 °C with the formation of aldehyde. The existence of H2O in atmosphere can alleviate the oxidative and CO2-induced degradations. The employed sorbent has a very low attrition index of 0.05, which is 1–2 orders lower than typical commercial fluidized bed catalysts. Based on the results of stability evaluation, some design suggestions for proper utilization of this sorbent or other similar resin-based sorbents have been provided in an industrial CFB-TSA process.
- Bettersizer 2600
De-branching of starch molecules enhanced the complexation with chitosan and its potential utilization for delivering hydrophobic compounds
DOI: 10.1016/j.foodhyd.2023.109498 Read ArticleShihezi University | 2024The current study aimed to prepare the complexes between debranched-waxy corn starch and chitosan polymers (DBS-CS), and then investigated their corresponding structural characteristics, rheological property and potent application in Pickering emulsion. The results indicated that the existence of chitosan significantly inhibited starch short-range molecular rearrangement for all DBS-CS samples, which was manipulated by both debranching treatment and chitosan content. Interestingly, this is the first study to reveal that the outstanding peak at 1.8 ppm in 1H NMR spectrum for sample DBS-CS was gradually shifted towards a lower-field region following an increased chitosan content. Moreover, the debranching treatment shifted the crystallinity pattern from A-type to B-type and the relative crystallinity of DBS-CS decreased gradually with the increased content of CS. All samples had a pseudoplastic fluid and shear-thinning behavior with an enhanced shear resistance following the complexation. The DBS-CS was applied in a Pickering emulsion for showing a greater emulsifying stability and a lower gel strength than native NS-CS prepared emulsion. Importantly, the encapsulation ability of curcumin in the DBS-CS emulsion was significantly improved, followed by an increase of 15.45% for its corresponding bioavailability compared to the control. Therefore, this study might highlight a potential carrier for delivering the bioactive substances in a green pattern. - Bettersizer 2600
Heat-induced aggregation behavior of wheat gluten after adding citrus pectin with different esterification degree
DOI: 10.1016/j.foodhyd.2023.109420 Read ArticleGansu Agricultural University | 2024Wheat gluten aggregation during heat treatment is beneficial to the final quality of gluten-based products. Exogenous pectin can affect gluten aggregation. However, the effect of pectin with different degrees of esterification on the heat-induced aggregation behavior of gluten and its possible mechanism are still unclear. Thus, the heat-induced aggregation behavior of gluten after adding pectin with different esterification degree was studied in this study. When the temperature was raised from 25 °C to 95 °C, pectin affected gluten aggregation and was related to the degree of esterification. Specifically, the results of rheological properties and particle size indicated that low-ester pectin improved the viscoelasticity of gluten and promoted gluten aggregation. Thermal properties revealed that enthalpy of gluten added with low-ester pectin (37%) increased from 92.96 J/g to 95.40 J/g during heating process. Structurally, the fluorescence intensity and surface hydrophobicity of gluten added with low-ester pectin (37%) were lower than those added with high-ester pectin (73%). In addition, low-ester pectin (37%) significantly increased the disulfide bond content (from 15.31 μmol/g to 18.06 μmol/g) and maintained β-sheet content of gluten compared with gluten alone at 95 °C, indicating that low-ester pectin was more likely to induce gluten aggregation. However, scanning electron microscope showed that the gluten added with low-ester pectin (46%) exhibited a denser network structure at 95 °C than that added with low-ester pectin (37%). These results will provide a theoretical base for the regulation of gluten aggregation and the quality of gluten-based products by pectin with different esterification degree.
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