local ores = {"iron", "copper", "uranium"}
local recipe_chain = {"ore", "dust", "enriched", "deoxidized", "particle", "smelted", "plate"}
local mod_name = '__My_Mod_Name_For_Ores_Enrichment__' -- you are need to change the mod name

local recipe_category = "enriching" -- nice name for enrichment

data:extend({
  {
    type = "recipe-category",
    name = recipe_category
  }
})

table.insert (data.raw["assembling-machine"].centrifuge.crafting_categories, recipe_category) -- for example in centrifuge

for i, ore_name in pairs (ores) do
  for j = 2, #recipe_chain do
    local name = ore_name .. "-" .. recipe_chain[j]
    local ingredient_name = ore_name .. "-" .. recipe_chain[j-1]
    data:extend({
      {
        type = "recipe", 
        category = recipe_category,
        name = name,
        enabled = "true",
        energy_requied = 3,
        ingredients =
        {
          {ingredient_name, 4}
        },
        results = {{name = name, type = "item", amount = 3}},
      }
    })
    if not data.raw.item[name] then -- add item if you haven't it
      data:extend({
        {
          type = "item",
          name = name,
          icon = mod_name.."/graphics/icons/"..name..".png", -- you are need to add icons here
          icon_size = 32,
          subgroup = "raw-resource",
          order = "rc-"..i..'-'..j,
          stack_size = 100
        }
      })
    end
  end
end