Rizshéj

Budapest University of Technology and Economics, Department of Applied Biotechnology and Food Science, Environmental Microbiology and Biotechnology Group

Organisation/Data provider's nameBudapest University of Technology and Economics, Department of Applied Biotechnology and Food Science, Environmental Microbiology and Biotechnology Group
Name of contact
Dr. Molnár Mónika, Dr. Feigl Viktória
Telephone/fax
+36-1-4632347
Denomination of the waste or by-productRizshéj
Denomination of the waste or by-product in English
Rice husk
Type of the waste or by-product data-sheet
General characterization
Functional characterisation
Non-hazardous waste from food industry
EWC code of waste
  • 02 WASTES FROM AGRICULTURE, HORTICULTURE, AQUACULTURE, FORESTRY, HUNTING AND FISHING, FOOD PREPARATION AND PROCESSING
  • HUF
  • konzervgyártásból
  • lesztő és élesztő kivonat készítéséből, melasz feldolgozásból és fermentálásból származó hulladékok
  • 02 03 04 materials unsuitable for consumption or processing
Consistency of the waste or by-product
Solid
Description of the waste generating technology

A rizs hántolásakor keletkező melléktermék a rizshéj.

Is it a hazardous waste?
no
Generated annual tonnage
1600-2000 t
Dumped tonnage
0 t
Characterisation of the waste as a chemical substance
Product
Other type of chemical substance
cellulóz
Is the contained chemical substance main component, component or contaminant of the waste or by-products / biochar?
Main component
Concentration of the chemical in the waste or by-product / biochar
50 %
Other type of chemical substance
Hemicellulóz
Is the contained chemical substance main component, component or contaminant of the waste or by-products / biochar?
Component
Concentration of the chemical in the waste or by-product / biochar
12 %
Other type of chemical substance
lignin
Is the contained chemical substance main component, component or contaminant of the waste or by-products / biochar?
Main component
Concentration of the chemical in the waste or by-product / biochar
20 %
Other type of chemical substance
hamu
Is the contained chemical substance main component, component or contaminant of the waste or by-products / biochar?
Component
Concentration of the chemical in the waste or by-product / biochar
17 %
Name of the waste/by-product
rizshéj
Components of the waste/by-product

Cellulóz 40-60%, Hemicellulóz 12%, Lignin 20%, Hamu 16-18%

pH
7.25
Conductivity (mS/cm)
0.4
Moisture content (%)
7.5
Density (g/cm3)
0.325
Ignition loss (LOI) (%)
86
Organic content (%)
80
C/N ratio
100
Total Organic Carbon (mg/l)
42
Total Dissolved Solids (mg/l)
3000
Homogeneity
Homogeneous
Pozzolan activity
no
Is this waste or by-product being utilised?
Yes
Utilisation

Tégla illetve pozdorjalap gyártásra használják ma Magyarországon a rizshéjat.

Xilózt, aktív szenet is kovasavat állítanak elő belőle.
Forrás: A new method of comprehensive utilization of rice husk Original Research Article
Journal of Hazardous Materials, Volume 186, Issues 2–3, 28 February 2011, Pages 2151-2156
Ying Li, Xuefeng Ding, Yupeng Guo, Chunguang Rong, Lili Wang, Yuning Qu, Xiaoyu Ma, Zichen Wang

References on utilisation

Overview of combustion and gasification of rice husk in fluidized bed reactors Original Research Article
Biomass and Bioenergy, Volume 14, Issues 5–6, May–June 1998, Pages 533-546
E Natarajan, A Nordin, A.N Rao

Extraction, preparation and characterization of cellulose fibres and nanocrystals from rice husk Original Research Article
Industrial Crops and Products, Volume 37, Issue 1, May 2012, Pages 93-99
Nurain Johar, Ishak Ahmad, Alain Dufresne

Nutritional improvement of rice husks Original Research Article
Animal Feed Science and Technology, Volume 151, Issues 3–4, 26 May 2009, Pages 299-305
J. Vadiveloo, B. Nurfariza, J.G. Fadel

Hazard characteristics
Not classified
Measured harmful effects
Yes
If harmful effect was measured, please, specify what was measured, which method was used, who did the measurement, and what was the result

Nem káros a környezetben.

Would it be suitable for soil reclamation in general?
Yes
Justification, references

Magas szerves anyag tartalmának köszönhetően alkalmas lehet talajjavításra.
Forrás: J. Vadiveloo, B. Nurfariza, J.G. Fadel (2009) Nutritional improvement of rice husks, Animal Feed Science and Technology 151(3–4), 299-305.

Would it supply nitrogen, phosphorous and/or potassium to the soil?
Yes
Justification, references

Található benne P, N és K.
Forrás: . Vadiveloo, B. Nurfariza, J.G. Fadel (2009) Nutritional improvement of rice husks, Animal Feed Science and Technology 151(3–4), 299-305.

Would it supply mesoelements (Ca, Cl, Fe, Mg, Na, S, Si) to the soil?
Yes
Justification, references

Nagy a hamutartalma, ami 92-95%-ban szilícium-dioxidot tartalmaz.

Rice Husk, Rice Hull, Rice Husk Ash (Agricultural waste) based Projects: http://www.niir.org/projects/projects/rice-husk-rice-hull-rice-husk-ash…

Would it supply microelements (B, Co, Cu, Mn, Mo, Zn, V) to the soil?
No information
Would it provide sufficient amounts of special nutrients to the soil?
No
Would it increase the humus/organic matter content of the soil?
Yes
Justification, references

Magas a szerves anyag tartalmának köszönhetően hozzájárul a szerkezeti humusz képződéséhez a talajban.
Forrás: Vadiveloo, B. Nurfariza, J.G. Fadel (2009) Nutritional improvement of rice husks, Animal Feed Science and Technology 151(3–4), 299-305.

Would it suffice as a main component of growing media?
Yes
Justification, references

Önmagában is alkalmas termesztőközegnek.
S.Yamanaka, A.Tanaka, K. Nakaji: Moisture characteristics of the artificial media composed of rice husk and demonstration on sweet potato cultivation, Nutient and Carbon Cycling in Sustainable Plant-Soil Systems, 2007, pp 101-105.

Would it suffice as an additive to growing media?
Yes
Justification, references

Vadiveloo, B. Nurfariza, J.G. Fadel (2009) Nutritional improvement of rice husks, Animal Feed Science and Technology 151(3–4), 299-305.

M.C. Leconte, M.J. Mazzarino, P. Satti, M.C. Iglesias, F. Laos (2009) Co-composting rice hulls and/or sawdust with poultry manure in NE Argentina, Waste Management 29, pp. 2446–2453.

Would it improve the structure of compacted soil and/or contribute to soil crumb formation of poorly structured soils?
Yes
Justification, references

A szervesanyag, illetve humusztartalom növelésén keresztül.

Vadiveloo, B. Nurfariza, J.G. Fadel (2009) Nutritional improvement of rice husks, Animal Feed Science and Technology 151(3–4), 299-305.

M.C. Leconte, M.J. Mazzarino, P. Satti, M.C. Iglesias, F. Laos (2009) Co-composting rice hulls and/or sawdust with poultry manure in NE Argentina, Waste Management 29, pp. 2446–2453.

Would it be suitable for physical stabilisation and/or texture improvement of loose, quagmire soils?
Yes
Justification, references

Állagának köszönhetően nem elképzelhetetlen ilyen irányú felhasználása.

Would it be suitable for amending sandy soils?
Yes
Justification, references

Magas a szerves anyag tartalmának köszönhetően hozzájárul a szerkezeti humusz képződéséhez a talajban.
Forrás: Vadiveloo, B. Nurfariza, J.G. Fadel (2009) Nutritional improvement of rice husks, Animal Feed Science and Technology 151(3–4), 299-305.

Would it be suitable for erosion prevention?
Yes
Justification, references

Állagának köszönhetően nem elképzelhetetlen ilyen irányú felhasználása.
Ezen kívül a szerkezeti humusztartalom növelésén keresztül is fejthet ki erózió gátló hatást.

Would it be suitable for amending acidic soils?
No information
Would it be suitable for amending saline and sodic soils?
No information
Would it reduce the mobility and availability of the contaminants?
Yes
Justification, references

Réz, szulfát és paraquat eltávolítására alkalmas.
Woranan Nakbanpote, Bernard A. Goodman, Paitip Thiravetyan (2007) Copper adsorption on rice husk derived materials studied by EPR and FTIR
Colloids and Surfaces A: Physicochemical and Engineering Aspects 304(1–3), pp. 7-13.

Shih-Tong Hsu, Ting-Chung Pan (2007) Adsorption of paraquat using methacrylic acid-modified rice husk, Bioresource Technology 98(18), pp. 3617-3621.

Evvie Chockalingam, S. Subramanian (2006) Studies on removal of metal ions and sulphate reduction using rice husk and Desulfotomaculum nigrificans with reference to remediation of acid mine drainage, Chemosphere 62(5), pp. 699-708.

Would it intensify the mobility, availability of the contaminants?
No information
Would it intensify physical, chemical, and/or biological degradation and decomposition of contaminants?
No
Would it be suitable for production of geotechnical elements?
Yes
Justification, references

J. Sutas, A. Mana, L. Pitak: Effect of Rice Husk and Rice Husk Ash to Properties of Bricks, Procedia Engineering, Volume 32, 2012, Pages 1061-1067

Julián Salas, Marina Alvarez, Janer Veras: Chemical and physical modifications of rice husks for use as composite panels, Composites Part A: Applied Science and Manufacturing, Volume 38, Issue 3, March 2007, Pages 925-935

B.S. Ndazi, S. Karlsson, J.V. Tesha, C.W. Nyahumwa: Lightweight insulating concretes with rice husk, International Journal of Cement Composites and Lightweight Concrete, Volume 8, Issue 3, August 1986, Pages 171-180

Raoul Jauberthie, Frank Rendell, Séni Tamba, Ibrahima Khalil Cissé: Properties of cement—rice husk mixture, Construction and Building Materials, Volume 17, Issue 4, June 2003, Pages 239-243

Other potential utilisation in soil

R. Jauberthie, F. Rendell, S. Tamba, I. Cisse: Origin of the pozzolanic effect of rice husks, Construction and Building Materials, Volume 14, Issue 8, December 2000, Pages 419-423

Datasheet id (original)
1495
Creator
Fekete-Kertész Ildikó
Status
Verified
Adatlap típusaWaste / by-product survey
Létrehozás
Módosítás