=> {"body_id"=>"", "body"=>"Test", "title"=>"1234", "body_class"=>"", "path"=>"", "section"=>"", "sub_section"=>""}

   hash = {}
    params[:page].each do |key,value|
      if !value.empty?
        hash[key] = value
      end
    end

  => {"body"=>"Test", "title"=>"1234", "body_class"=>nil, "path"=>nil, "section"=>nil, "sub_section"=>nil}