A Review of Fibre Flax Harvesting: Conditions, Technologies, Processes and Machines

Dudarev, Igor

doi:10.1080/15440478.2020.1863296

Cited by 17 publications

(14 citation statements)

References 43 publications

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“…According to the technology, the flax seed bolls are threshed in the conditions of the processing plant during the unwinding of the bales. (Dudarev, 2020).…”

Section: Flaxmentioning

confidence: 99%

“…2 -Diagram of fibre flax two-phase harvesting Fig. 3 -Diagram of fibre flax two-phase harvesting to obtain high-quality flax fiber For fibre flax harvesting, different machines are used such as flax harvester, flax puller, flax band lifting and threshing (rippling) machine, flax band turner, flax band doubling machine, round baler, bale loader and bale truck(Dudarev, 2020).…”

mentioning

confidence: 99%

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Low-Quality Flax Straw Biomass Harvesting for Subsequent Use as Fuel: A Review

Дударєв

Хомич²

2022

ACM

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Unfavorable conditions for flax growing, harvesting and dew-retting are the reason for the low-quality flax biomass production. This biomass cannot be processed for fiber or other purposes. Therefore, flax straws are burned in the fields or are used as fertilizer by plowing into the soil, which are not good solutions for the environment and subsequent cultivation operations. The limit values of quality properties of fibre flax stem, flax straw and retted straw for their processing are summarized, which can be used to determine the suitability of flax straw biomass for processing or burning. Low-quality flax biomass is inexpensive, ecofriendly and renewable, it can be used as solid fuel for heating greenhouses or buildings located near the field where the flax is grown. Various techniques of fibre flax and oilseed flax harvesting are presented in the article. The technique of low-quality flax harvesting is recommended, which include flax pulling out or flax cutting, flax threshing, flax straw windrow forming, flax straw natural drying on the field in natural way, flax bale forming, flax bale transporting, flax bale burning. This harvesting technology can be used for low-quality fibre flax and oilseed flax. Flax straw biomass can be baled into three bale types: small rectangular bales, big round bales, and big square bales The main requirements for fuel flax biomass bales are recommended. The boiler for burning flax straw bales must be chosen taking into account the shape and size of the bales. For the efficient operation of boilers, it is necessary to take into account the recommended values of bale bulk density and moisture content of flax biomass.

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“…According to the technology, the flax seed bolls are threshed in the conditions of the processing plant during the unwinding of the bales. (Dudarev, 2020).…”

Section: Flaxmentioning

confidence: 99%

mentioning

confidence: 99%

Low-Quality Flax Straw Biomass Harvesting for Subsequent Use as Fuel: A Review

Дударєв

Хомич²

2022

ACM

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“…The ax roving (2 g) was rstly washed with 2.5 g/L sulfuric acid in 250-ml erlenmeyer ask in a water bath and performed at 30 ℃ for 10 min with a bath ratio of 25:1, then washed completely. The washed ax roving was immersed in 50 ml bleaching bath which contained [2,4,6,8,10,12]…”

Section: Scouring and Bleaching Of Ax Rovingmentioning

confidence: 99%

Bleaching flax roving with poly(acrylic acid) magnesium salt as oxygen bleaching stabilizer for hydrogen peroxide

et al. 2021

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“…Flax ber has the advantages of good moisture absorption, high tenacity, high resistance to alkali, antibacterial and mildew prevention, health care, breathable, smooth and generous, known as the queen of bers (Perremans et al 2018;Pandey 2016, Dudarev 2020). Flax ber is mainly composed of cellulose.…”

Section: Introductionmentioning

confidence: 99%

“…/L sulfuric acid in 250-ml erlenmeyer ask in a water bath and performed at 30 ℃ for 10 min with a bath ratio of 25:1, then washed completely. The washed ax roving was immersed in 50 ml bleaching bath which contained[2,4, 6, 8,10,12] g/L H 2 O 2 , 3 g/L Na 2 CO 3 ,[3,4,5, 6,7, 8] g/L NaOH, [0, 1, 2, 3, 4, 5] g/L NaHSO 3 , JFC 1 g/L,[1, 2,3,4,5, 6] g/L PAA-Mg, bleaching at [60, 70, 80, 90, 95, 100] ℃ for [15, 30, 45, 60, 75, 90] min with a bath ratio of 25:…”

mentioning

confidence: 99%

Bleaching Flax Roving With Poly(Acrylic Acid) Magnesium Salt As Oxygen Bleaching Stabilizer For Hydrogen Peroxide

Liu

Jiang

Sun

et al. 2021

Preprint

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Alkali-oxygen one-bath scouring and bleaching process of the flax roving was studied by using a new type of synthesized non-silicon oxygen bleaching stabilizer Poly(acrylic acid) magnesium instead of sodium silicate. Based on the analysis of the effects of single factors such as sodium hydroxide concentration, hydrogen peroxide concentration, temperature, time and the amount of the synthesized non-silicon oxygen bleaching stabilizer poly(acrylic acid) magnesium salt on the performance of the bleached flax roving, including the whiteness, the breaking tenacity, the capillary effect and the weight loss ratio. The optimal process for the application of the stabilizer was determined by orthogonal test, namely, hydrogen peroxide concentration 8.5 g/L, sodium hydroxide concentration 5 g/L, sodium bisulfite 3 g/L, sodium carbonate 3 g/L, the synthesized non-silicon oxygen bleaching stabilizer poly(acrylic acid) magnesium 5.5 g/L, scoured and bleached at 90 ℃ for 60 min, and the bath ratio was 25:1. Compared with the traditional oxygen bleaching stabilizer sodium silicate, it not only has good ability to inhibit the rapid decomposition of hydrogen peroxide, but also has the advantages of higher whiteness, higher capillary effect, good feel and breaking tenacity, and can effectively solve the "silicon scale" problem and improve the quality of flax products.

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A Review of Fibre Flax Harvesting: Conditions, Technologies, Processes and Machines

Cited by 17 publications

References 43 publications

Low-Quality Flax Straw Biomass Harvesting for Subsequent Use as Fuel: A Review

Low-Quality Flax Straw Biomass Harvesting for Subsequent Use as Fuel: A Review

Bleaching flax roving with poly(acrylic acid) magnesium salt as oxygen bleaching stabilizer for hydrogen peroxide

Bleaching Flax Roving With Poly(Acrylic Acid) Magnesium Salt As Oxygen Bleaching Stabilizer For Hydrogen Peroxide

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