Theme -Code-Choice

On this page, you can select 4D 「theme code」.

Select the desired 「Theme code」.

  • 4D002
  • TREATING WASTE GASES
  • 4D003
  • Biological treatment of waste water
  • 4D004
  • Processing of solid wastes
  • 4D005
  • Coagulation and sedimentation treatment
  • 4D006
  • SEPARATION USING SEMI-PERMEABLE MEMBRANES
  • 4D011
  • Degasification and air bubble elimination
  • 4D012
  • SEPARATION OF GASES BY ADSORPTION
  • 4D014
  • Separation of liquids from each other
  • 4D015
  • Separation of suspended particles by flocculating agents
  • 4D016
  • Static filter element filters
  • 4D017
  • Treatment of liquids with adsorbents in general
  • 4D018
  • Multiple filters and filter presses
  • 4D019
  • FILTERING MATERIALS
  • 4D020
  • GAS SEPARATION BY ABSORPTION
  • 4D021
  • Combined means for separation of solids
  • 4D024
  • Treatment of water by adsorption
  • 4D025
  • Treatment of water by ion exchange
  • 4D026
  • CARTRIDGE FILTERS; FILTERS WITH MOVING FILTERING ELEMENTS
  • 4D027
  • Treatment of biological wastes in general
  • 4D028
  • ACTIVATED SLUDGE PROCESSES
  • 4D029
  • Aeration devices for treatment of activated polluted sludge
  • 4D030
  • Water treatment in general
  • 4D031
  • Separating particles in gases by inertia, etc.
  • 4D032
  • Separation of particles using liquids
  • 4D033
  • Gas particle separation; other treatments
  • 4D034
  • Heat treatment of water, waste water or sewage
  • 4D036
  • Isotope separation
  • 4D037
  • PHYSICAL WATER TREATMENTS
  • 4D038
  • REMOVAL OF SPECIFIC SUBSTANCES
  • 4D039
  • Neutralization and property modification
  • 4D040
  • PURIFICATION TREATMENTS BY ANAEROBIC OR ANAEROBIC AND AEROBIC BACTERIA OR ANIMALS
  • 4D041
  • Gravity filters
  • 4D043
  • Adjustment and processing of grains
  • 4D045
  • Preventing scale
  • 4D046
  • Multi-stage treatment of water and waste water
  • 4D047
  • Separation by low-temperature treatments
  • 4D048
  • EXHAUST GAS TREATMENT BY MEANS OF CATALYST
  • 4D049
  • Germicidal treatment with disinfectant
  • 4D050
  • TREATMENT OF WATER BY OXIDATION OR REDUCTION
  • 4D051
  • REMOVAL OF FLOATING MATERIAL
  • 4D052
  • DRYING OF GASES
  • 4D053
  • Cyclones
  • 4D054
  • ELECTROSTATIC SEPARATION
  • 4D055
  • Crystallizing
  • 4D056
  • Extraction or liquid replacement
  • 4D057
  • Centrifugal separators
  • 4D058
  • FILTERING OF DISPERSED PARTICLES IN GASES
  • 4D059
  • TREATMENT OF SLUDGE
  • 4D060
  • Other gas separation (electric effect etc.) and control
  • 4D061
  • Water treatment by electricity or magnetism
  • 4D063
  • Crushing and grinding
  • 4D064
  • SPECIAL FILTERING DEVICES
  • 4D065
  • CRUSHING AND PULVERIZATION PROCESSES (2)
  • 4D066
  • Filtration and precoating processes
  • 4D067
  • Disintegrating or milling
  • 4D068
  • Flotation classification and differential sedimentation
  • 4D069
  • Electric and magnetic filters and other separation
  • 4D070
  • Magnetic separation
  • 4D071
  • Separation of solids by using liquids or pneumatic power
  • 4D073
  • DETAILS OR ACCESSORIES OF SPRAYING PLANT OR APPARATUS
  • 4D074
  • SPECIAL SPRAYING APPARATUS
  • 4D075
  • Application of or painting with fluid materials
  • 4D076
  • VAPORIZATION, DISTILLATION, CONDENSATION, SUBLIMATION, AND COLD TRAPS
  • 4D077
  • EMULSIFYING, DISPERSING, FOAM-PRODUCING OR WETTING AGENTS
  • 4D116
  • FILTRATION OF LIQUID
  • 4D148
  • EXHAUST GAS TREATMENT BY MEANS OF CATALYST
  • 4D624
  • WATER TREATMENT BY SORPTION
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